CN208339621U - Full flank of tooth electric toothbrush - Google Patents

Abstract

The utility model is a kind of full flank of tooth electric toothbrush, it is the high efficiency electric toothbrush in each face of a kind of pair of tooth while scrub, brush head is that the dumb-bell shape that flexible and high resilience material is constituted is whole, under the driving of motor or induction driving mechanism, brush head is driven to make crankmotion, vibration and its compound motion around longitudinal axis.Brush head is in human oral cavity, only flexible material can be just comfortable on.Upper and lower tooth gently bitten when brushing teeth on the handle in dumb-bell shape entirety, each face of tooth can be scrubbed.There are also the ends for root of the tooth position to brush, for the lingual surface brush of tongue fur.Not only traditional electric handle structure, but also the induction type structure that can be separated using head, handle can be used.

Description

Full flank of tooth electric toothbrush

Technical field

The utility model relates to electric toothbrush, in particular to a kind of full flank of tooth electric toothbrush.

Background technique

Known electric toothbrush has various removable or rotation hairbrush block, is blocky embedded in single side with a branch of beam bristle On object, rubbed back and forth on facing by cluster tuft beam to clean tooth with water, and be to the one each face of fritter a small area of ground of tooth It is cleaned one by one, due to being printed with certain hardness, cluster pieces is not necessarily directed at the facing that do not brush, it is easy to brush gum, It will cause bleeding gums, damage the health of tooth.A kind of electric toothbrush of U.S. Patent Publication, Patent No. US3732589 should The brush head of patent is mainly made of the left and right two opposite rotatable pieces plates that are embedded with, by a circle between two rotated plates Pipe is linked together, and the outer wall of the hardware round tube also is provided with bristle, the pore of round tube also in be equipped with brush axis, the one of the brush axis The end of brush holder support is fixed at end, and in order to realize its function, plate, round tube and brush axis must be hard material, this structure Electric toothbrush, the blade of lower teeth can be scrubbed, and the scrub of the engaging portion of root of the tooth and gum is undesirable, which also deposits In following defect: due to the limitation of structure, the volume of brush head is larger, and quality is also larger, and motor drive is power-consuming, and coherence Greatly, it is easy to tap tooth in drawing process of brushing teeth, and there have more hard object to be placed on to be very uncomfortable in the mouth and mobile not nimble, influences Toothbrushing effect.Patent Office of the People's Republic of China discloses a kind of all-directional toothbrush, and Patent No. 2012105025345, brush head is by left and right two Rotating brushes on brush axis is fixedly arranged in opposite directions to constitute, though this patent than there is improvement for above-mentioned patented toothbrush, existing defects, The two opposite rotating brushes are also all attached on hardboard, and hardboard does not generate facing when brushing teeth pressure, and wants It asks inner ring bristle parallel with brush axis axis or constitutes smaller angle, outer ring bristle and brush axis axis are constituted compared with mitre, on brush axis It is easy to be bitten bristle by tooth when itself not setting bristle, and brushing teeth, scrub facing is not also comprehensive, the occlusal surface of the centre of tooth Also it cannot effectively clean with water, while inadequate to the pressure of facing, frictional force missing, therefore this method is also not satisfactory.

Summary of the invention

The utility model overcomes disadvantage mentioned above, purpose provide it is a kind of easier, it is more effectively, more soft, scrub more thoroughly, speed It spends faster, in conveniently moving in the mouth, the full flank of tooth electric toothbrush of Anti-dental injury gum, compared with US3732589, in addition to axis in holding Not set brush axis and other add-on parts separately outside tubulose, its complexity is reduced；Compared with Chinese patent 2012105025345, Significant difference is: middle axis (the brush axis for functioning as the patent) is equipped with brush bundle, can be carried out to the occlusal surface of tooth Effect scrub, and not requiring brush bundle and middle axis line on each face of brush substrate is in special angle.Compared with above-mentioned two patent Maximum feature is that each part of brush head (but not including connection brush head handle portion and brush handle) is that flexible material is constituted, can be certainly Micro- slightly difference between the size of Different Individual tooth is adapted to, without hard object in interior, extremely to relax when brushing teeth due to using flexible structure Suitable, Anti-dental injury gum, brushhead motion mode is also not quite similar, different based on sector swing (i.e. crankmotion) and vibration In the simple rotary movement of above-mentioned two patent.So-called " full flank of tooth electric toothbrush " refer to in upper and lower teeth arrangement, Totally six faces can be scrubbed outer and occlusal surface simultaneously, and include the scrub at the positions such as teeth roots, gum root, lingual surface, and brush The handheld structure of connection brush handle both can be used in head, and a handle separation induction type structure also can be used.The brush head of the utility model is The dumb-bell shape that flexible and high resilience material is constituted is whole, which includes left and right brush substrate and middle axis, left brush substrate front Equipped with interior brush bundle, right brush substrate front is equipped with outer brush bundle, and middle axis is equipped with middle brush bundle.Left brush substrate contained by brush head component, Interior brush bundle, right brush substrate, outer brush bundle, middle axis and middle brush bundle integrally or locally can occur to include curved under different force effect Bent, torsion, recess, spread the deformation that external force can restore, in this way can adaptive tooth different shapes and sizes and length It is short.The right side of right brush substrate is equipped with brush head interface and connects driving mechanism, under its driving, brush head is driven to make reciprocating rotary around longitudinal axis Transhipment is dynamic, vibrate and its compound motion, crankmotion include back and forth that sector is swung, and swings be conducive to toothbrush and seam in this way Gap is effectively cleaned with water.Brush head integral material include the left brush substrate, right brush substrate, outer brush bundle, interior brush bundle, middle axis and in Brush bundle can construct for flexible glue, and flexible glue includes silica gel, rubber and its composite material.The material that outer brush bundle, interior brush bundle, middle brush bundle are constituted More effectively facing dirt can be scrubbed mixed with abrasive, the brush bundle containing abrasive in material.The left brush substrate of brush head The back side is equipped with lingual surface brush bundle, and lingual surface can resist lingual surface brush bundle and can clear up it during scrub.The left and right brush substrate of brush head Upper and lower end is equipped with aduncate left and right end brush bundle, can effectively clear up tooth root.The left brush substrate of brush head, right brush substrate, It is respectively equipped with left cavity, right cavity and hollow cavity in middle axis, flexible and elasticity and harmony can be increased in this way.Left cavity, the right side The inflatable closed cavity that cavity and hollow cavity can be communicated as one in inside, can more increase flexible and elasticity and equilibrium in this way Property.Driving mechanism has a brush handle, and the back side of the right brush substrate is equipped with interface, driving mechanism be by headstock connection brush head handle, Brush handle is reconnected, motor is equipped in brush handle, motor output has drive shaft, and drive shaft is placed in propeller shaft sleeve, propeller shaft sleeve band Movable pendulum bar, swing rod is covered drives the rotation of headstock chassis in slot, and headstock chassis is linked together with headstock, and headstock is covered in brush head interface Interior, motor, which powers on, can drive brush head rotation, vibration and swing.Driving mechanism can be also induction driving mechanism, at this time brush head It is separated with driving mechanism, when brushing teeth, only brush head moves in oral cavity, operates more flexible, easy, comfortable, the right brush substrate The back side is equipped with brush head interface, interior to be equipped with sensing chip, and sensing chip corresponds to inductor, is equipped with induction coil, coil magnetic in inductor Field variation drives brush head to move on tooth track, makees fan-shaped crankmotion, vibration and its compound motion around longitudinal axis. Inductor connects the handle for including control circuit board and power supply.Generally speaking, the full flank of tooth electric toothbrush of the utility model is being brushed teeth In the process, brush head moved in the oral cavity itself is flexible and flexible, the size phase of design size and human teeth Gum will not be brushed substantially when adapting to, therefore brushing teeth, and gum will not be damaged, as long as and resisting left brush substrate with lingual surface The lingual surface brush bundle at the back side can clean it, thus the full flank of tooth of tooth include lingual surface do not omit disposably by scrub it is thorough Bottom, speed are the several times of typical powered toothbrush, and operation letter is also simpler.

Being described below for (multiple) preferred embodiment is substantially exemplary only, and it is practical new to be in no way intended to limit this Type, itself and application or purposes.

The description of the illustrative embodiments of principle according to the present utility model is intended to read in conjunction with the accompanying, and attached drawing will be made For a part of entire written description.In the description of the utility model disclosed herein (including claims forms part), Any reference in direction or orientation to part or meaning are intended merely to the convenience of description, and not limit the model of the utility model It encloses.For example, the relative terms containing upper and lower, left and right, inside and outside, remote, close etc. are understood to refer in subsequent description attached drawing Place to.These Relative terms merely to description convenience, and equipment specific direction construction is not required for, except non-clearly referring to Out.In addition to the shape or form of object known to description reference masses, such as dumb-bell shape, there are also parts therein, such as " mute Disc ", " connection handle " etc., are provided to vividly describe, and non-real relevant with dumbbell itself.Traditional toothbrush is to be covered with " pieces ", but " pieces " in the utility model is not necessarily pieces, and flexible glue is used in the utility model preferred embodiment, including Silica gel, silicon rubber and rubber.Therefore changing " pieces " herein is " brush bundle ", and brush bundle is namely equivalent to the pieces of traditional toothbrush. The fixed place of the pieces of ordinary toothbrush, someone are known as " tuft block ", referred to herein as " brush substrate ".

According to an example, a kind of automatic tooth-brush, the brush head is that the dumb-bell shape that flexible and high resilience material is constituted is whole Body excludes not damage gum using rigid part；The left brush substrate front is equipped with interior brush bundle, the right brush substrate Front is equipped with outer brush bundle, and middle axis is equipped with middle brush bundle；The brush head component contains left brush substrate, interior brush bundle, right brush substrate, outer brush Beam, middle axis, middle brush bundle, all these parts can be linked to be an entirety, reject some unnecessary components in order to avoid causing body Product is excessive, whole under different force effect or locally occur to include bending, torsion, recess, spreads what external force can restore Deformation；The right side of the right brush substrate is equipped with brush head interface, connects driving mechanism, under its driving, drives brush head around longitudinal axis Make crankmotion, vibration and its compound motion.Brush head integral material include the left brush substrate, right brush substrate, outer brush bundle, Interior brush bundle, middle axis and middle brush bundle are flexible glue construction, and middle axis is free of hard material, and contact tooth can also clean it, Teeth contact is not allowed to feel uncomfortable to hard object, flexible glue includes silica gel, rubber and its composite material.Why brushhead designs are become The dumb-bell shape that flexible and high resilience material is constituted is whole, is the only flexible material just meeting since brush head is used in human oral cavity It is comfortable on.In embodiment, apart from preferred scope in 3mm to 8mm, this width is less than for interior brush bundle and outer brush bundle approach end The width of tooth.Upper and lower tooth gently bitten when brushing teeth on the handle in dumb-bell shape entirety, depth just what a tooth bitten Exposed length can be felt when brushing teeth and brush tooth root, since middle axis is flexible, when also not reaching tooth root Can continue to bite into until suitable position, thus can keep not brushing substantially gum again can thorough outwash tooth, here left and right Brush substrate is equivalent to left and right dumbbell plate, and middle axis is equivalent to the handle of dumbbell, when brushing teeth, the lateral surface of tooth and right brush substrate On outer brush bundle be mutually in close contact, the inside of tooth and the interior brush bundle of left brush substrate are mutually in close contact, and being equivalent to tooth is to be stuck in Between inside and outside brush bundle, since inside and outside brush bundle has elasticity, in addition the elasticity of left and right brush substrate, forms resultant force and clamps to tooth, This resultant force in embodiment the elastic force of adjustable corresponding part and be arranged to suitable dynamics, generate when drive shaft turns and rub It wipes power to scrub the inside and outside face of upper and lower tooth, when tooth gently bites middle axis, middle brush bundle also is provided on middle axis, due to light It stings, middle axis and middle brush bundle form resultant force and generate pressure to the upper and lower occlusal surface (or median surface) of tooth, and when movement, which generates, rubs It wipes power to scrub the upper and lower occlusal surface of upper and lower tooth, when dynamics is moderate, brush head can swimmingly come on tooth track Return is dynamic.It should be pointed out that " brush bundle " here, is equivalent to " pieces " of ordinary toothbrush, but be not limited to pieces, can be Flexible glue, including silica gel and rubber, silica gel or rubber material also have flexibility when brush bundle length is shorter, furthermore in order to facing There is a better cleaning, mixed with abrasive in the material that outer brush bundle, interior brush bundle, middle brush bundle are constituted, such as calcium carbonate, calcium monohydrogen phosphate, two Silica, aluminium hydroxide etc..Frictional force and comfort can be generated to facing.Here it is not precluded using other flexible materials Material.

In one embodiment, the left and right brush substrate upper and lower end of brush head is equipped with aduncate left and right end brush bundle.Upper, Lower end surface can increase brush bundle, mainly for the scrub of root portion, since tooth root is in contact with gum, and the life of everyone tooth Long situation is different, and length is also not necessarily consistent, and required dynamics is also not quite similar, therefore is equipped with end brush bundle, and end brush bundle is The supplement of inside and outside brush bundle, when inside and outside brush bundle cannot reach tooth root, can control external force makes brush head slightly into tooth Or outside inclination, it is scrubbed with root brush bundle, therefore in embodiment design, end brush bundle can be weak shorter than inside and outside brush bundle length, side To being also not quite similar, it is equipped with appropriate angle between the two.

In one embodiment, the back side of the left brush substrate of the brush head is equipped with lingual surface brush bundle.The cleaning in oral cavity, not only To cleaning of teeth, the tongue fur of lingual surface is also required to clean, therefore is equipped with lingual surface brush bundle at the back side of left brush substrate, is mainly used for cleaning with water Tongue fur.

In one embodiment, the left brush substrate of the brush head, the right brush substrate, be respectively equipped with left sky in middle axis Chamber, right cavity and hollow cavity.The inflatable closed cavity that left cavity, right cavity and hollow cavity can be communicated as one in inside. It for the dosage for increasing the flexibility and elasticity of left and right brush substrate and middle axis, while reducing material itself, saves material, reduces The quality and inertia of brush head, finally make the lower power consumption of motor, and using electricity wisely reduces abrasion, can avoid changing direction in scrub There is the larger power for tapping tooth in the process, also helps brush head and move on tooth track in the oral cavity, it is therefore necessary in setting State cavity.

In one embodiment, the driving mechanism has brush handle, and the back side of the right brush substrate is equipped with interface, driving machine Structure is to reconnect brush handle by headstock connection brush head handle, and motor is equipped in brush handle, and motor output has drive shaft, and drive shaft is set In in propeller shaft sleeve, propeller shaft sleeve drives swing rod, and swing rod is covered drives the rotation of headstock chassis in slot, and headstock chassis and headstock connect It is integrated, headstock covers in brush head interface, and motor, which powers on, can drive brush head rotation, vibration and swing.

In another embodiment, the driving mechanism is induction driving mechanism, and the right brush substrate back is equipped with brush head Interface, interior to be equipped with sensing chip, sensing chip corresponds to inductor, and induction coil, coil magnetic field variation drive brush are equipped in inductor Head moves on tooth track, makees fan-shaped crankmotion, vibration and its compound motion around longitudinal axis.Sensing chip is generally anticipated Magnet is referred in justice, this example has completely disengaged traditional brush head connection manual concept of brush handle, and only brush head is in mouth Self-movement in chamber controls brush head by the induction in magnetic field and implements movement on tooth track, reciprocating rotary, waves, tilts Compound motion cleans tooth with water.

Detailed description of the invention

Fig. 1 is brush head front schematic view；

Fig. 2 is Fig. 1 along A to symmetrically separated diagrammatic cross-section；

Fig. 3 is Fig. 1 side isometric view to the right；

Fig. 4 is Fig. 1 side isometric view to the left；

Fig. 5 is that left and right brush substrate bends schematic diagram after by external force；

Fig. 6 is brush head connection brush head handle schematic diagram；

Fig. 7 is brush head to brush handle overall schematic；

Fig. 8 is brush head to brush handle entirety sectional view；

Fig. 9 is Fig. 8 partial enlarged view；

Figure 10 is that brush head moves a placement position schematic diagram in induction driving mechanism；

Figure 11 is induction driving mechanism cut-away diagram in Figure 10.

See Fig. 1 to 11, the title of each component is as follows:

Brush head 1, brush head interface 2, left brush substrate 3, right brush substrate 4, lingual surface brush bundle 5, sensing chip 6, interior brush bundle 7, outer brush bundle 8, left end brush bundle 9, right end brush bundle 10, left brush substrate front 11, right brush substrate front 12, left brush substrate back 13, right brush substrate The back side 14, left brush substrate side 15, right brush substrate side 16, left brush substrate end face 17, right brush substrate end face 18, middle axis 19, Middle brush bundle 20, left cavity 21, right cavity 22, hollow cavity 23, brush handle 24, bar 25, brush handle interface 26, external liquid line 27, Headstock chassis case 28, headstock 29, external liquid interface tube 30, brush handle 31, power switch 32, charging jacks 33, coil 34, electricity Pond 35, circuit board 36, compartment 37, motor 38, water-tight device 39, drive shaft 40, liquid chamber 41, spray orifice 42, propeller shaft sleeve 43, Swing rod 44, headstock chassis 45, induction driving mechanism 46, handle 47, inductive head 48, soft-touch control 49, left end 50, right end 51, charging hole 52, internal battery 53, control circuit board 54, induction coil 55, conducting wire 56.

Specific embodiment

In preferred embodiment, composition 1 dumb-bell shape of brush head is whole, sees Fig. 1, and left brush substrate 3 is opposite with right brush substrate 4 to be set up, point Not She You interior brush bundle 7, outer brush bundle 8, be connected by middle axis 19, under the driving of driving mechanism around main shaft VC rotate.Brush When tooth, upper and lower tooth can be nibbled between interior brush bundle 7 and outer brush bundle 8, and outer brush bundle 8 contacts the outside of tooth, and interior brush bundle 7 contacts The inner face of tooth, the middle brush bundle 20 in the occlusion face contact of tooth on axis 19, six faces of upper and lower tooth simultaneously with brush bundle end Head contact, since the extruding of tooth can cause the deformation of left brush substrate 3 and right brush substrate 4 in Fig. 5, toothpaste can be applied to respectively On brush bundle end face, in this way under 1 turning effort of brush head, quickly entire mouth can be cleaned with water.Left brush substrate front in figure 11, right brush substrate front 12, left brush substrate back 13, right brush substrate back 14, left brush substrate side 15, right brush substrate side 16, left brush substrate end face 17, right brush substrate end face 18 each face can be plane, be also possible to curved surface, such as protuberance, recess Deng, and two adjacent surfaces can be merged into a face, and it is all or part of to merge.Three adjacent surfaces are also combinable at a face, entirely Portion or part merge.The section general appearance of middle axis 19 can be round, oblong or other shapes, that is, entire brush head Shape be it is variable, therefore it is other shapes of variation be all in the protection scope of this patent.Brush head interface 2 in figure is one A groove, is also possible to protrusion, and shape can be round, rectangular, polygon or other shapes.Left end brush bundle 9 and right end brush bundle 10 are scrubbed for teeth roots, and curved left and right end brush bundle is directed toward tooth root, when brushing teeth when brush head 1 is inside or outside The root of upper and lower tooth can be brushed when inclining.Left brush substrate back 13 be equipped with lingual surface brush bundle 5, after brushing teeth can with scrub lingual surface Tongue fur.

In preferred embodiment, see that Fig. 2, left brush substrate 3 are equipped with left cavity 21, right brush substrate 4 is equipped with right cavity 22, middle axis 19 Interior to be equipped with hollow cavity 23, all cavitys can both be in communication with the outside, can also gassy, be filled with air in preference.Left cavity 21, The inflatable closed cavity that right cavity 22 and hollow cavity 23 can be communicated as one in inside.All cavity shapes not limit. See that Fig. 6 to 9, right brush substrate back 14 are equipped with interface 2, passes through the brush handle interface 26 of bar 25 by 29 connection brush head handle 24 of headstock Electronic brush handle 31 is reconnected, motor 38 is equipped in brush handle, motor output has drive shaft 40, and drive shaft 40 is placed in propeller shaft sleeve 43 Interior, propeller shaft sleeve 43 drives swing rod 44, and swing rod 44 drives headstock chassis 45,45 jointing seat 29 of headstock chassis, and 29 sets of headstock exists In brush head interface 2, motor 38 powers on switch 32 and drives the rotation of brush head 1, vibration and swing.There is liquid in headstock chassis case 28 The end of fluid chamber 41, the external liquid line 27 of liquid chamber 41, external liquid line 27 is equipped with external liquid interface tube 30, external liquid Body interface tube 30 accesses water or liquid toothpaste, can be by spray orifice 42 to each brush bundle water spray or toothpaste on brush head 1.Wherein charging is inserted Hole 33 is wireless charging jack, and coil 34 is radio induction charging coil, and battery 35 is rechargeable battery.Here power supply mode It can be other charging modes or directly use common batteries.Circuit board 36 controls the revolving speed, power switch 32 and charging of motor. Compartment 37 separates motor 38 and battery 35, and water-tight device 39 is to prevent water or liquid toothpaste from entering in brush handle 31.Brush head 1 and brush Head handle 24 is integrated as Replacement Part.

Different from traditional teeth brushing way in preferred embodiment, brush head 1 is completely independent, and is equivalent to brush head 1 and brush handle It is kept completely separate, brush head 1 is completely independent in the oral cavity relative to induction driving mechanism 46, and driving mechanism 46 is equivalent to the distant of brush head 1 Device is controlled, principle is as follows, and right brush substrate back 14 is equipped with brush head interface 2, interior to be equipped with sensing chip 6,6 pairs of induction driving machines of sensing chip Structure 46, induction driving mechanism 46 are equipped with induction coil 55, and 55 changes of magnetic field of induction coil drives brush head 1 to move up in tooth track It is dynamic, make crankmotion, vibration and its compound motion around longitudinal axis VC.Specific structure is that induction driving mechanism 46 includes induction First 48, soft-touch control 49, left end 50, right end 51, charging hole 52, internal battery 53, control circuit board 54, induction coil 55, conducting wire 56.Inductive head 48 arranges Trajectory Design according to human teeth, and the corresponding left and right tooth of left end 50, right end 51 is most It interior one, in use, upper and lower tooth nibbles in brush head 1 after the painting of brush head 1 wipes toothpaste, is in contact with inside and outside, middle brush bundle, Then start soft-touch control 49, control circuit board 54 is started to work, and electric current is big in each coil in control induction coil 55 Small, direction and change frequency, pilot brush hair around longitudinal axis make crankmotion, vibration and its compound motion come to tooth into Row scrub, wherein the shape of induction driving mechanism 46 can also be that other shapes, such as straight bar type, moon dentition formula, pot-shaped etc. are all wrapped It is contained in the scope of the utility model.

Although the specific example for including the currently preferred mode for implementing the utility model is described, this field Technical staff be appreciated that many flexible and displacement there are above-mentioned technology.It should be appreciated that not departing from the utility model In the case where scope, it can use other embodiments, and modification structurally and functionally can be carried out.Therefore, this is practical new The principle and range of type should be broadly construed as described in appended claims.

Claims (10)

1. a kind of full flank of tooth electric toothbrush, including brush head and driving mechanism it is characterized by:

The brush head is that the dumb-bell shape that flexible and high resilience material is constituted is whole；

The dumb-bell shape is whole, and left side is left brush substrate, and front is equipped with interior brush bundle, and right side is right brush substrate, and front is equipped with Outer brush bundle, middle interconnecting piece are middle axis, which is provided with middle brush bundle；

The left brush substrate, interior brush bundle, right brush substrate, outer brush bundle, middle axis and middle brush bundle, can be whole under different force effect Or locally occur to include bending, torsion, recess, the deformation that spreads external force and can restore；

The right side of the right brush substrate is equipped with interface and connects driving mechanism, and the driving mechanism can drive the brush head around longitudinal axis Line makees crankmotion, vibration and its compound motion.

2. as described in claim 1, it is characterised in that: the brush head integral material includes the left brush substrate, right brush substrate, outer Brush bundle, interior brush bundle, middle axis and middle brush bundle are flexible glue construction, and the flexible glue includes silica gel, rubber and its composite material.

3. as claimed in claim 2, it is characterised in that: mixed with friction in the material that the outer brush bundle, interior brush bundle, middle brush bundle are constituted Agent.

4. as described in claim 1, it is characterised in that: the back side of the left brush substrate of the brush head is equipped with lingual surface brush bundle.

5. as described in claim 1, it is characterised in that: the left and right brush substrate upper and lower end of the brush head is equipped with aduncate Left and right end brush bundle.

6. as described in claim 1, it is characterised in that: the left brush substrate of the brush head, right brush substrate are respectively equipped in middle axis Left cavity, right cavity and hollow cavity.

7. as claimed in claim 6, it is characterised in that: the left cavity, right cavity and hollow cavity can be communicated as one in inside Inflatable closed cavity.

8. as described in claim 1, it is characterised in that: the driving mechanism has brush handle, and the back side of the right brush substrate is equipped with Interface, the driving mechanism are to reconnect brush handle by headstock connection brush head handle, and motor, the electricity are equipped in the brush handle Machine output has drive shaft to be placed in propeller shaft sleeve, and propeller shaft sleeve drives swing rod, and swing rod is covered drives headstock chassis to turn in slot Dynamic, headstock chassis is linked together with headstock, and headstock covers in brush head interface, and motor, which powers on, can drive brush head rotation, vibration Or it swings.

9. as described in claim 1, it is characterised in that: the driving mechanism is induction driving mechanism, the right brush substrate back Interior to be equipped with sensing chip equipped with brush head interface, sensing chip corresponds to inductor, induction coil is equipped in inductor, and coil magnetic field becomes Change and the brush head is driven to move on tooth track, makees fan-shaped crankmotion, vibration and its compound motion around longitudinal axis.

10. as claimed in claim 9, it is characterised in that: the inductor connection includes the handle of control circuit board and power supply.