CN2241519Y

CN2241519Y - Multi-function electric tooth-brush

Info

Publication number: CN2241519Y
Application number: CN 96202946
Authority: CN
Inventors: 杨卫光
Original assignee: Individual
Current assignee: Individual
Priority date: 1996-02-15
Filing date: 1996-02-15
Publication date: 1996-12-04
Anticipated expiration: 2006-02-15

Abstract

The utility model relates to a multifunctional electric toothbrush, comprising a casing and a miniature motor. A power supply device is provided with a battery, a regulated power supply, a switch, and a socket. A speed reducing mechanism is provided with a planetary gear, a rotating arm, an output gear, and a transmission shaft. A blade cam shaft is provided with a spiral guide groove connected with a sliding block shaft. The other end of the sliding block shaft is fixedly connected with a guide shaft. A crank mechanism is provided with two cranks, an oscillating rod, a connecting rod and a guide rod. An output mechanism is provided with an output shaft, a clamping plate and a guide shaft. A round brush forms a cylindrical shape or a pyramidal column shape. A motor drives the speed reducing mechanism to drive the crank mechanism to rotate, which drives the output shaft and the round brush to rotate. The connecting rod, the guide rod, the clamping plate and the round brush are driven to move to and fro in a straight line mode. The blade camshaft drives the guide shaft to move to and fro in a straight line mode. The crank mechanism drives the guide shaft to oscillate in a rotary mode.

Description

Multifunctional electric toothbrush

This utility model relates to the toothbrush that a kind of sanitation and health-care field keeps tooth hygiene, particularly relates to a kind of multifunctional electric toothbrush.

Existing manual toothbrush should come when brushing teeth and can spur, and swings up and down again, also will adopt rational motion mode to protect gums to preserve from.Correct method for brushing teeth should be that toothbrush is brushed from top to bottom when brushing tooth; toothbrush is brushed from bottom to top during the brush lower tooth; so just help protecting gums to preserve from; and use current toothbrushes when user uses, to operate inconvenience, waste time and energy; be difficult to accomplish above-mentioned requirements, thereby be difficult for each position of outwash tooth.Existing electric toothbrush mainly is to utilize a minitype motor driving one mechanical reduction gear, and its output axle head connects a roller brush and drives its rotation, by the rotation of roller bearing round brush, and rolling outwash tooth on tooth.But this kind electric toothbrush can only be made single roller and brush teeth, and it spurs still back and forth needs by manpower, and it can only install a roller brush, can only provide simple function when making user use, and is very restricted and it is promoted the use of.

Because the drawback of above-mentioned traditional product, the design people is based on abundant practical experience and Professional knowledge, through constantly studying, design, and after studying sample repeatedly and improving, creates this utility model finally.

Main purpose of the present utility model is, overcome the deficiencies in the prior art, and a kind of multifunctional electric toothbrush that electricity consumption is driven is provided, make user when using this multifunctional electric toothbrush to brush teeth, can provide direct roller to brush teeth, reciprocating motion type is brushed teeth and roll and add the multi-functional effect that reciprocal compound motion formula is brushed teeth, each position of outwash tooth effectively has simple to operate, easy to use, degree of cleaning the teeth height, protects the effective effect of gum.

The purpose of this utility model is realized by following technical scheme.A kind of multifunctional electric toothbrush, comprise casing, supply unit, micromachine, reducing gear and round brush, it is characterized in that: it is mainly by casing, supply unit, micromachine, reducing gear, power transmission shaft, vane-type camshaft, crank mechanism, output mechanism, round brush is formed, micromachine drives reducing gear, driving power transmission shaft and crank mechanism rotates, this crank mechanism drives output shaft and round brush rotatablely moves, the while drive link, guide rod, clamping plate and round brush do reciprocating linear motion, this vane-type camshaft drives the guide shaft linear reciprocating motion, and drives the guide shaft rotary oscillation by crank mechanism simultaneously.

The purpose of this utility model can also further realize by following technical measures.

Aforesaid multifunctional electric toothbrush, wherein said casing, top is provided with epicoele, is equiped with crank mechanism, output mechanism, vane-type camshaft in it, and the bottom is provided with cavity of resorption, is equiped with micromachine, supply unit and reducing gear in it; Supply unit comprises battery, potentiometer, regulated power supply, switch, supply socket, and lead is connected each components and parts and is connected to micromachine; Reducing gear, formed by planetary gear, positioning sleeve, pivoted arm, planet wheel spindle, planetary gear, output gear, power transmission shaft, wherein, pivoted arm is fixedly arranged on the output shaft of micromachine, slide and be equipped with planet wheel spindle in the pivoted arm end, two sides are installed with planetary gear respectively, and the planetary number of teeth is made deceleration transmission less than the number of teeth of output gear, and the center fixation gear is fixedly arranged on the chassis sidewall; Vane-type camshaft, for being provided with the blade cam of a cylindrical screw shape on the heart power transmission shaft therein, the center of blade cam is provided with helical guide groove, is slidingly connected the other end of slide block axle and the lower end of guide shaft is affixed is integral in it with the slide block axle; Crank mechanism, it is made up of two cranks, fork, connecting rod, pivot pin and guide rod, wherein, affixed being integral in power transmission shaft upper end, center of crank and vane-type camshaft, be folded with connecting rod and fork between two cranks, four link into an integrated entity with common axis, and the other end of fork is provided with endoporus and sets firmly guide shaft, top between connecting rod and guide rod is provided with movable pivot joint of bearing pin and is integral, and is installed with output shaft in the crank one end endoporus; Output mechanism, the clamping plate and the guide shaft that comprise output shaft, be connected with crank mechanism, wherein, output shaft is fixedly arranged on crank one end, and the other end penetrates in the hole of the bearing of cavity outer wall on the casing; Clamping plate are fixedly arranged on the outfan of guide rod, and the guide rod sliding sleeve is in the splicing sleeve of the right wall of casing; Guide shaft is to be provided with splicing sleeve in the upper and lower part of casing epicoele, is provided with light-wall pipe in the splicing sleeve, and the endoporus of this light-wall pipe is provided with forward and backward concentric splicing sleeve, and the endoporus sliding sleeve is provided with guide shaft; Round brush is for the straight shape round brush of cylinder or bore cylindrical round brush.Aforesaid multifunctional electric toothbrush, wherein said switch can be that the control micromachine just changes, the three-position switch of counter-rotating and stall.Aforesaid multifunctional electric toothbrush, its top of wherein said slide block axle is installed with bearing and is embedded in the helical guide groove; The endoporus of described fork is provided with bearing pin and guide shaft and sets firmly and be integral; Described center fixation gear is fixedly arranged on the sidewall of intracavity under the casing by the fixed gear pin.Aforesaid multifunctional electric toothbrush, wherein said bearing are rolling bearing or sliding bearing; Described splicing sleeve is rolling bearing or sliding bearing; Described clamping plate are a bore shape, are provided with pinching screw at a sidewall; Described round brush is combined into one with whole spiro connection structure, tapering insert structure or the securing member structure that is fixedly clamped; Aforesaid multifunctional electric toothbrush, the straight shape round brush of wherein said cylinder is provided with taper shank portion and brush body portion, and this brush body portion is cylindrical, and external cylindrical surface is laid with shrinkage pool, plants in the shrinkage pool and establishes bristle, and the bottom of taper shank portion is provided with the screw that is connected with output mechanism; The cylindrical round brush brush body of described awl portion is a conical brush body portion.Aforesaid multifunctional electric toothbrush is planted the bristle of establishing and can be contour setting in the wherein said shrinkage pool, be provided with at interval with can be also that one is long and the other is short, or be that the short ground of a platoon leader one row is provided with at interval.Aforesaid multifunctional electric toothbrush, its brush body portion of the straight shape round brush of wherein said cylinder is provided with the round brush guard shield, and it is parallel with brush body portion and is the semicolumn body that two sides are sheathed on two sidepieces of brush body portion.Aforesaid multifunctional electric toothbrush, its conical brush body portion of the cylindrical round brush of wherein said awl is provided with the round brush guard shield, and it is for parallel with brush body portion and be the half-conical cylindrical body, and two sides are sheathed on two sidepieces of brush body portion.Aforesaid multifunctional electric toothbrush, all available plastics of wherein said casing, battery cover are manufactured, the straight shape round brush of cylinder or bore cylindrical round brush and can manufacture with plastic material or nylon material, bristle is that nylon material is made; Described casing can be made into two or more branch body components and is assembled into one.

This utility model compared with prior art has tangible advantage and good effect.By above technical scheme as can be known, the electric toothbrush that this utility model provides a kind of new structure that electricity consumption is driven, make user when using this multifunctional electric toothbrush to brush teeth, can provide direct roller to brush teeth, the reciprocating motion type multi-functional effect that the compound motion formula that adds complex line is brushed teeth of brushing teeth and roll, just commentaries on classics by round brush, counter-rotating or composite rotation are brushed teeth, can repeatedly spur or swing up and down toothbrush back and forth without hands, as long as no guard shield one is sidewindered the one side contact tooth of brush, starting switch can be by forward, demand reverse or composite rotation is operated round brush, if conversion when turning to again conversion turn to, can be not only soon but also effortlessly the tooth outwash, and each position of outwash tooth effectively, have simple to operate, easy to use, degree of cleaning the teeth height, protect the effective effect of gum, no matter it structurally or all have on the function significantly and to improve, is a novelty in fact, practical new design.

Concrete structure of the present utility model is provided in detail by following examples and accompanying drawing thereof.

Fig. 1 is the longitudinal profile structural representation of this utility model structure.

Fig. 2 is the structural representation of A-A section among Fig. 1.

Fig. 3 is the structural representation of B-B section among Fig. 1.

Fig. 4 is the structural representation of straight shape round brush of the present utility model.

Fig. 5 is the cutaway view of D-D section among Fig. 4.

Fig. 6 is the structural representation of taper round brush of the present utility model.

Fig. 7 is the cutaway view of E-E section among Fig. 6.

Fig. 8 is the cutaway view of F-F section among Fig. 6.

Fig. 9 is the cutaway view of C-C section among Fig. 6.

Below in conjunction with accompanying drawing and preferred embodiment, to according to its concrete structure of multifunctional electric toothbrush, feature and the effect thereof that the utility model proposes, describe in detail as after.

See also Fig. 1 to shown in Figure 3, this utility model multifunctional electric toothbrush, it is mainly by casing 1, supply unit 40, micromachine 30, reducing gear 41, power transmission shaft 21, vane-type camshaft 20, crank mechanism 42, output mechanism 43, the straight shape round brush 44 of cylinder or bore cylindrical round brush 51 and form, wherein, micromachine 30 drives reducing gear 41, drive power transmission shaft 21 and crank mechanism 42 rotations, this crank mechanism 42 drives output shaft 12 and the straight shape round brush 44 of cylinder or bores cylindrical round brush 51 and rotatablely moves, while drive link 14, guide rod 16, the straight shape round brush 44 of clamping plate 17 and cylinder or bore cylindrical round brush 51 and do reciprocating linear motion, this vane-type camshaft 20 drives guide shaft 9 and does reciprocating linear motion, and makes rotary oscillation with crank mechanism 42 drive guide shafts 9 simultaneously.Wherein:

Casing 1, top is provided with epicoele, is equiped with crank mechanism 42, output mechanism 43, vane-type camshaft 20 in it, and the bottom is provided with cavity of resorption, is equiped with micromachine 30, supply unit 40 and reducing gear 41 in it.For ease of making and repair, casing 1 can be made two or more ratios by certain requirement and be easier to the branch body component making and assemble, assemble one again.

Supply unit 40, comprise battery 37, potentiometer 41, regulated power supply 32, switch 45, battery cover 36, supply socket 33, each components and parts is connected and is connected to micromachine 30 with lead 31, supply voltage is through potentiometer 41 blood pressure lowerings, through regulated power supply 32 input micromachines 30, supply unit 40 has power supply, the dual-purpose structure of battery, because it is a prior art, gives unnecessary details no longer in detail.Rivet 34 articulates battery cover 36 and is integral with casing 1, switch 45 is located at the outside of casing 1, and it is connected on the circuit of battery 37 and micromachine 30, and it can be a three-position switch, to be used for controlling just commentaries on classics, counter-rotating and the stall of micromachine 30.

Reducing gear 41, it is by planetary gear 27, positioning sleeve 26, pivoted arm 25, planet wheel spindle 24, planetary gear 23, output gear 22, power transmission shaft 21 is formed, wherein, pivoted arm 25 is fixedly arranged on the output shaft of micromachine 30, the end of pivoted arm 25 is provided with positioning sleeve 26, the endoporus of this positioning sleeve 26 slides and is equipped with planet wheel spindle 24, two sides are installed with planetary gear 27 respectively, 23, the number of teeth of planetary gear 23 is carried out deceleration transmission less than the number of teeth of output gear 22, center fixation gear 28 is fixedly arranged on the sidewall of 1 time intracavity of casing by fixed gear pin 29, micromachine 30 drives pivoted arm 25 and rotates, planetary gear 27 is around center fixation gear 28 rotational motion of slowing down, and drive planetary gears 23 with planet wheel spindle 24 and do to rotate synchronously, again through deceleration transmission to output gear 22, thereby drive power transmission shaft 21 rotations;

Vane-type camshaft 20, for on center power transmission shaft 46, being connected with the blade cam 40 of a cylindrical screw shape, the cylindrical of this blade cam 40 is the part of periphery and lamellar in the shape of a spiral, the center of spiral lamellar blade cam 40 is provided with helical guide groove 47, be slidingly connected with slide block axle 4 in this helical guide groove 47, the top of slide block axle 4 is installed with bearing and is embedded in the helical guide groove, affixed being integral in lower end of the other end of slide block axle 4 and guide shaft 9.

Crank mechanism 42, it is made up of crank 19, crank 13, fork 6, connecting rod 14, pivot pin 15 and guide rod 16, wherein, affixed being integral in center power transmission shaft 46 upper ends of crank 19 and vane-type camshaft 20, be folded with connecting rod 14 and fork 6 between two cranks 19,13, link into an integrated entity with common axis 5 between four, the other end of fork 6 is provided with endoporus, penetrate guide shaft 9 in it, and set firmly with bearing pin 7 and to be integral, top between connecting rod 14 and the guide rod 16 is integral with bearing pin 15 movable pivot joints, and an end of crank 13 is provided with endoporus, is installed with output shaft 12 in the endoporus;

Output mechanism 43, the clamping plate 17 and the guide shaft 9 that comprise output shaft 12, be connected with crank mechanism 42, wherein, output shaft 12 is fixedly arranged on an end of crank 13, in the set brearing bore of other end sliding sleeve cavity outer wall on casing 1; Clamping plate 17 are fixedly arranged on the outfan of guide rod 16, and guide rod 16 sliding sleeves are in the set splicing sleeve 18 of the right wall of casing 1 epicoele, and clamping plate 17 are a bore shape, are provided with pinching screw 48 at a sidewall; Guide shaft 9, be to be provided with splicing sleeve 11,49 in the upper and lower part of casing 1 epicoele, be provided with light-wall pipe 10 in splicing sleeve 11, the endoporus of this light-wall pipe 10 is provided with forward and backward concentric splicing sleeve 8,50, can increase the stability of support, the endoporus sliding sleeve of this forward and backward concentric splicing sleeve 8,50 is provided with guide shaft 9; In the endoporus of the top of the top of this guide shaft 9 respectively, output shaft 12 and clamping plate 17, all can be spirally connected or clamp sets firmly the straight shape round brush 44 of cylinder or bores cylindrical round brush 51;

Round brush, it comprises the straight shape round brush 44 of cylinder and bores cylindrical round brush 51, extremely shown in Figure 14 as Fig. 9, the straight shape round brush 44 of cylinder as shown in Figure 9, be provided with taper shank portion 52 and brush body portion 53, this brush body portion 53 is cylindrical, external cylindrical surface is laid with shrinkage pool 54, plant in the shrinkage pool 54 and establish bristle 55, the bottom of taper shank portion 52 is provided with the screw 56 that is connected with output mechanism 43: the cylindrical round brush of awl shown in Figure 14 51 is basic identical with the structure of aforementioned cylindrical round brush 44, different is brush body portion is conical brush body portion 57; Plant the bristle of establishing 55 in the aforesaid shrinkage pool 54 and can be contour setting, be provided with at interval with can be also that one is long and the other is short, or be that the short ground of a platoon leader one row is provided with at interval, to improve outwash tooth and more smooth effect of taking foul out of.In order to obtain better toothbrushing effect; the straight shape round brush 44 of aforesaid cylinder and bore the brush body portion 53 of cylindrical round brush 51 or conical brush body portion 57 on be provided with round brush guard shield (not shown); it is parallel with brush body portion and is the semicolumn body or is the half-conical cylindrical body; two sides are sheathed on two sidepieces of brush body portion 53 or conical brush body portion 57; the straight shape round brush 44 of cylinder or bore cylindrical round brush 51 and be installed in the round brush guard shield; when the round brush rotation is brushed teeth; the round brush guard shield can protect the round brush of other side not scrub other positions in the oral cavity; and the round brush that does not have shroud just can be brushed teeth after contacting tooth; just commentaries on classics by round brush; counter-rotating or composite rotation are brushed teeth; can repeatedly spur or swing up and down toothbrush back and forth without hands; as long as no guard shield one is sidewindered the one side contact tooth of brush; start switch 45; press forward; demand reverse or composite rotation is operated round brush; if conversion when turning to again conversion turn to, can be not only soon but also effortlessly the tooth outwash.

Casing 1 of the present utility model, all available plastics of battery cover 36 are manufactured, the straight shape round brush 44 of cylinder or bore cylindrical round brush 51 and can manufacture with plastics or nylon, and bristle 55 is made for nylon material.

See also shown in Figure 2, during the action of this utility model multifunctional electric toothbrush, socket 33 plugs in, turn on the power switch 45 energized devices 40, also can directly use battery 37 and turn on the power switch 45 energized, at this moment micromachine 30 drives pivoted arm 25 successively, planetary gear 27 around 28 rotations of center fixation gear, planetary gear 23, output gear 22, drive center power transmission shaft 46 rotations of vane-type camshaft 20, at this moment, drive path is divided into three the tunnel: one, directly drive crank 19 through this center power transmission shaft 46, crank 13, drive output shaft 12 rotations, drive the straight shape round brush 44 of the cylinder that sets firmly on the output shaft 12 simultaneously or bore cylindrical round brush 51 and carry out concentric rotatablely moving; They are two years old, as shown in Figure 3, when crank 19, crank 13 rotations, simultaneously do the crank link motion by common axis 5 drivening rods 14 and guide rod 16, promptly, make fork 16 make the linear reciprocating motion of left and right directions, and then drive the straight shape round brush 44 of cylinder that folder is established on the clamping plate 17 or bore cylindrical round brush 51 and carry out the linear reciprocating motion formula and brush teeth; They are three years old, as shown in Figure 3, crank 19, during crank 13 rotations, drive the center of rotation of fork 6 by common axis 5 simultaneously around crank mechanism 42, the center that is the center power transmission shaft 46 of vane-type camshaft 20 is the center of circle, with crank 19, crank 13 is done oscillating traverse motion for radius, by bearing pin 7 fork 6 and guide shaft 9 are fixed as one again simultaneously, and can make guide shaft 9 do oscillating traverse motion, again, in 46 rotations of the center of vane-type camshaft 20 power transmission shaft, also make and be connected with 20 rotations of all-in-one-piece vane-type camshaft with it, bearing slider in the helical guide groove 47 of its outer peripheral face then along the orbiting motion of helical guide groove 47, is done reciprocating motions up and down and make slide block axle 4 drive all-in-one-piece guide shaft 9 affixed with it, and then drives the straight shape round brush 44 of cylinder that guide shaft 9 tops install or bore the reciprocating motion of cylindrical round brush 51 about also doing.By the straight shape round brush 44 of these cylinders and bore the compound motion of straight reciprocating motion or the linear reciprocation and the rotation of cylindrical round brush 51, reach the purpose of brushing teeth with bristle 55.Forward or reverse that as required can also be by micromachine 30 makes the straight shape round brush 44 of cylinder or bores the bristle 55 of cylindrical round brush 51 that brush is moving to the left and right or up and down on request, so just can not only save time but also laborsaving and each position of outwash tooth efficiently.It can provide the multiple use of user to select, and has the effect of outwash tooth better simultaneously.

The above, it only is preferred embodiment of the present utility model, be not that this utility model is imposed any restrictions, every foundation technical spirit of the present utility model changes any simple modification, change and the equivalent structure that above embodiment did, and all still belongs in the scope of technical solutions of the utility model.

Claims

1, a kind of multifunctional electric toothbrush, comprise casing, supply unit, micromachine, reducing gear and round brush, it is characterized in that it is mainly by casing, supply unit, micromachine, reducing gear, power transmission shaft, vane-type camshaft, crank mechanism, output mechanism, round brush is formed, micromachine drives reducing gear, driving power transmission shaft and crank mechanism rotates, this crank mechanism drives output shaft and round brush rotatablely moves, the while drive link, guide rod, clamping plate and round brush do reciprocating linear motion, this vane-type camshaft drives the guide shaft linear reciprocating motion, and drives the guide shaft rotary oscillation by crank mechanism simultaneously.

2, multifunctional electric toothbrush according to claim 1 is characterized in that wherein said:

Casing, top is provided with epicoele, is equiped with crank mechanism, output mechanism, vane-type camshaft in it, and the bottom is provided with cavity of resorption, is equiped with micromachine, supply unit and reducing gear in it;

Supply unit comprises battery, potentiometer, regulated power supply, switch, supply socket, and lead is connected each components and parts and is connected to micromachine;

Reducing gear, formed by planetary gear, positioning sleeve, pivoted arm, planet wheel spindle, planetary gear, output gear, power transmission shaft, wherein, pivoted arm is fixedly arranged on the output shaft of micromachine, slide and be equipped with planet wheel spindle in the pivoted arm end, two sides are installed with planetary gear respectively, and the planetary number of teeth is made deceleration transmission less than the number of teeth of output gear, and the center fixation gear is fixedly arranged on the chassis sidewall;

Vane-type camshaft, for being provided with the blade cam of a cylindrical screw shape on the heart power transmission shaft therein, the center of blade cam is provided with helical guide groove, is slidingly connected the other end of slide block axle and the lower end of guide shaft is affixed is integral in it with the slide block axle;

Crank mechanism, it is made up of two cranks, fork, connecting rod, pivot pin and guide rod, wherein, affixed being integral in power transmission shaft upper end, center of crank and vane-type camshaft, be folded with connecting rod and fork between two cranks, four link into an integrated entity with common axis, and the other end of fork is provided with endoporus and sets firmly guide shaft, top between connecting rod and guide rod is provided with movable pivot joint of bearing pin and is integral, and is installed with output shaft in the crank one end endoporus;

Output mechanism, the clamping plate and the guide shaft that comprise output shaft, be connected with crank mechanism, wherein, output shaft is fixedly arranged on crank one end, and the other end penetrates in the hole of the bearing of cavity outer wall on the casing; Clamping plate are fixedly arranged on the outfan of guide rod, and the guide rod sliding sleeve is in the splicing sleeve of the right wall of casing; Guide shaft is to be provided with light-wall pipe in the upper and lower part of casing epicoele is provided with splicing sleeve, splicing sleeve, and the endoporus of this light-wall pipe is provided with forward and backward concentric splicing sleeve, and the endoporus sliding sleeve is provided with guide shaft;

Round brush is for the straight shape round brush of cylinder or bore cylindrical round brush.

3, multifunctional electric toothbrush according to claim 2 is characterized in that described switch can be that the control micromachine just changes, the three-position switch of counter-rotating and stall.

4, multifunctional electric toothbrush according to claim 3 is characterized in that its top of described slide block axle is installed with bearing and is embedded in the helical guide groove; The endoporus of described fork is provided with bearing pin and guide shaft and sets firmly and be integral; Described center fixation gear is fixedly arranged on the sidewall of intracavity under the casing by the fixed gear pin.

5, multifunctional electric toothbrush according to claim 4 is characterized in that described bearing is rolling bearing or sliding bearing; Described splicing sleeve is rolling bearing or sliding bearing; Described clamping plate are a bore shape, are provided with pinching screw at a sidewall; Described round brush is combined into one with whole spiro connection structure, tapering insert structure or the securing member structure that is fixedly clamped;

6, multifunctional electric toothbrush according to claim 5 is characterized in that the straight shape round brush of described cylinder, is provided with taper shank portion and brush body portion, this brush body portion is cylindrical, external cylindrical surface is laid with shrinkage pool, plants in the shrinkage pool and establishes bristle, and the bottom of taper shank portion is provided with the screw that is connected with output mechanism; The cylindrical round brush brush body of described awl portion is a conical brush body portion.

7, multifunctional electric toothbrush according to claim 6 is characterized in that planting in the described shrinkage pool bristle of establishing and can be contour setting, is provided with at interval with can be also that one is long and the other is short, or is that the short ground of a platoon leader one row is provided with at interval.

8, according to the described multifunctional electric toothbrush of arbitrary claim in the claim 1 to 7, it is characterized in that its brush body portion of the straight shape round brush of described cylinder is provided with the round brush guard shield, it is parallel with brush body portion and is the semicolumn body that two sides are sheathed on two sidepieces of brush body portion.

9, according to the described multifunctional electric toothbrush of arbitrary claim in the claim 1 to 7, it is characterized in that its conical brush body portion of the cylindrical round brush of described awl is provided with the round brush guard shield, it is parallel with brush body portion and is the half-conical cylindrical body that two sides are sheathed on two sidepieces of brush body portion.

10, multifunctional electric toothbrush according to claim 9 is characterized in that all available plastics of described casing, battery cover manufacture, the straight shape round brush of cylinder or bore cylindrical round brush and can manufacture with plastics or nylon material, and bristle is that nylon material is made; Described casing can be made into two or more branch body components and is assembled into one.