CN205994584U - A kind of Dual-shaft electric toothbrush - Google Patents

Abstract

The utility model discloses a kind of Dual-shaft electric toothbrush; it is related to consumer goods industries; including handle, connecting rod and brush; handle inner is provided with motor; it is provided with drive mechanism inside described connecting rod, brush includes containment vessel, be equiped with two in containment vessel and be parallel to each other and surface is provided with the rotating shaft of complex root hairbrush; the inner surface of containment vessel is provided with a raised line between two rotating shafts, and the front of raised line is provided with strip groove.The beneficial effects of the utility model：During use, two rotating shafts with hairbrush are corresponded to respectively upper tooth and the mode of lower tooth is put in mouth, motor makes two rotating shafts rotate in the opposite direction by drive mechanism, can upper tooth and lower tooth be scrubbed simultaneously simultaneously.And two rotating shafts are when rotating in the opposite direction, the hairbrush of two rotating shafts is all scratched with the front phase of raised line, and by the debris of hairbrush and dirt removal and be collected in groove, this utility model has the characteristics that hairbrush is readily replaceable and cleaning simultaneously.

Description

A kind of Dual-shaft electric toothbrush

Technical field

This utility model is related to consumer goods industries, more specifically a kind of Dual-shaft electric toothbrush.

Background technology

Electric toothbrush is the quick rotation or vibrations by electric core, makes brush produce high-frequency vibration, moment is by toothpaste Resolve into trickle foam, deeply clean the articles for daily use of new generation of teeth space.Existing electric toothbrush includes handle, connecting rod and brush Head, handle inner is equiped with the motor for driving brush rotation or vibrations, and brush is usually rotatable and is provided with turning of hairbrush Disk or for low-angle can overturning and be provided with the bar shaped plate of hairbrush.Existing electric toothbrush generally existing problems with：1. cannot Clean upper tooth and lower tooth, the connecting rod of existing electric toothbrush is generally bigger than normal simultaneously, more inconvenient when inside people's cleaning tooth.2. Brush is difficult to clean, and after long-time use, easily remains debris in brush, produces dirt, particularly hairbrush surface, impact is defended Raw.3. brushhead portion is difficult to dismantle or changes, and leads to brush cannot clean, the problem that cannot change after damage.4. hairbrush is long Time uses the easy residual impurity in rear surface, breed bacteria, and existing electric toothbrush does not possess the function of cleaning hairbrush.It can be seen that, Need to design the electric tooth-brush that a kind of life that the problems referred to above can be overcome to give people offers convenience.

Content of the invention

This utility model provides a kind of Dual-shaft electric toothbrush and cannot clean it is therefore intended that solving existing electric toothbrush simultaneously The difficult cleaning of lower tooth, brush and the shortcoming changed.

This utility model adopts the following technical scheme that：

A kind of Dual-shaft electric toothbrush, including the handle being sequentially connected, connecting rod and brush, described handle inner is provided with electricity Pond, motor and control circuit, are provided with drive mechanism inside described connecting rod, described brush includes being detachably connected with connecting rod Containment vessel, this containment vessel is in semiellipse cylindricality, is equiped with two and is parallel to each other and surface is provided with complex root hairbrush in containment vessel Rotating shaft, the inner surface of described containment vessel is provided with along its length being provided with a raised line, the front of described raised line described in two between rotating shaft The strip groove that direction is extended；When described motor makes that described in two, rotating shaft rotates in the opposite direction by drive mechanism, two turns The hairbrush of axle is all scratched with the front phase of raised line.

Further, described drive mechanism includes power transmission shaft, the 4th gear and two connecting shafts, one end of described power transmission shaft and electricity The output shaft of machine mutually links, and the other end is provided with first gear and the 3rd gear；Described power transmission shaft is located between two connecting shafts, its In one end of a connecting shaft be provided with second gear, the other end is connected with rotating shaft wherein described in, and one end of another connecting shaft sets There is the 5th gear, the other end is connected with another described rotating shaft, and described first gear is meshed with second gear, described 3rd tooth Wheel, the 4th gear and the 5th gear engage successively.

Further, described first gear is identical with second gear, and described 3rd gear, the 4th gear and the 5th gear are homogeneous With.

Further, one end of described connecting rod is provided with lower connecting portion, and the other end is provided with connecting portion, and described lower connecting portion leads to Cross thread connecting mode and be removable installed in handle, described containment vessel is removable installed in upper company by snapping connection mode Socket part.

Further, the output shaft of described motor is provided with a polygonal blind hole, and the lower end of described power transmission shaft is provided with and blind hole The Butt Section being adapted, described Butt Section is removably inserted in blind hole；Described upper connecting portion is provided with installation cavity, connects described in two One end of spindle is all rotatablely arranged at connecting portion, and the other end is detachably connected with corresponding rotating shaft.

Further, also include a closure being interlocked with containment vessel, this closure is in semiellipse cylindricality, and closure Inner surface be provided with the complex root cylinder inconsistent with hairbrush.

Further, the front of described raised line is provided with a plurality of teeth along its length in the both sides of groove.

Further, the distance between described containment vessel inner surface and rotating shaft surface are less than the length of hairbrush.

Further, described containment vessel inner surface is provided with a plurality of projections.

From the above-mentioned description to this utility model structure, this utility model has the advantage that：

One, this utility model include handle, connecting rod and brush, and handle inner is provided with motor, inside described connecting rod It is provided with drive mechanism, brush includes containment vessel, be equiped with two in containment vessel and be parallel to each other and surface is provided with complex root hairbrush Rotating shaft, the inner surface of containment vessel is provided with a raised line between two rotating shafts, and the front of raised line is provided with strip groove.During use, by two The mode of the rotating shaft with hairbrush for the root corresponding upper tooth and lower tooth respectively is put in mouth, and motor makes two rotating shafts towards contrary by drive mechanism Direction rotates, and can upper tooth and lower tooth be scrubbed simultaneously simultaneously.And two rotating shafts are when rotating in the opposite direction, the hair of two rotating shafts Brush is all scratched with the front phase of raised line, by the debris of hairbrush and dirt removal and be collected in groove, in order to remove debris with Dirt.

Two, this utility model also includes a closure, and it is inconsistent with hairbrush that the inner surface of closure is provided with complex root Cylinder.Do not need, using during this electric toothbrush, closure mating protection shell can be passed through, hairbrush can be fully sealed parcel, Keep the cleaning of hairbrush and other inner surfacies of brush.When closure is arranged at containment vessel, cylinder is inconsistent with hairbrush, and this is Start motor, hairbrush counter-cylinder rotates, hairbrush and cylinder occur mutually to scratch, such that it is able to remove the dirt on hairbrush surface Dirt and impurity, reach the purpose that hairbrush is carried out, and have the characteristics that easy to use, cleaning is quick, cleaning performance is good.This Outward, closure allow people's trip when to carry this electric toothbrush convenient.

Three, in this utility model, the output shaft of motor is provided with blind hole, and the lower end of power transmission shaft is provided with Butt Section, Butt Section Removably it is inserted in blind hole, the thread connecting mode being connected between bar and handle, by connecting rod and rotatable handle During dismounting, output shaft is separated with the Butt Section of power transmission shaft gradually；Only Butt Section need to be directed at output shaft during installation Blind hole, then rotate against and assembly and connection bar and handle can be it is seen that this electric toothbrush handling be got up not only facilitates but also simple；Rotating shaft One end be rotatablely arranged at connecting portion and extend to installation cavity, the other end is rotatablely arranged at containment vessel, and cooperation is protected Containment vessel, when needing to clean brush, can be disassembled, the interior table of cleaning protection shell by protective case and the dismountable feature of connecting rod Face, is also convenient for user countershaft surface and hairbrush surface after containment vessel dismounting and is carried out.

Four, in this utility model, rotating shaft is detachably connected with the connecting shaft of drive mechanism, when hairbrush damages, permissible The rotating shaft easily more renewing very much.

Five, in this utility model, the front of raised line is provided with a plurality of teeth along its length in the both sides of groove.When When hairbrush and raised line mutually scratch, the rough surface that these teeth are constituted can be preferably by the debris on hairbrush and dirt Dirt is removed.

Six, in this utility model, the distance between containment vessel inner surface and rotating shaft surface are less than the length of hairbrush, permissible The volume of whole brush is made to diminish, in order to the inner surface of the more preferable brushing teeth of people；When hairbrush is with axis of rotation simultaneously Can mutually scratch with containment vessel, easily remove the debris on hairbrush, and a plurality of projections of containment vessel inner surface setting can add Strong inhibition between hairbrush and containment vessel inner surface, the effect of debris is removed in strengthening.

Brief description

Fig. 1 is structural representation of the present utility model（It is not drawn into hairbrush）.

Fig. 2 is sectional view of the present utility model（It is not drawn into hairbrush）.

Fig. 3 is the sectional view in this utility model A-A direction along along Fig. 1.

Fig. 4 is the sectional view in containment vessel B-B direction along along Fig. 1.

Fig. 5 is the enlarged diagram of F part in Fig. 2.

Fig. 6 is the enlarged diagram of G part in Fig. 2.

Fig. 7 is the enlarged diagram of H part in Fig. 2.

Fig. 8 is the structural representation of closure.

Fig. 9 is the sectional view in closure C-C direction along along Fig. 8.

Figure 10 is the sectional view in this utility model A-A direction along along Fig. 1 when closure is with protection shell phase closure.

Specific embodiment

Specific embodiment of the present utility model is described with reference to the accompanying drawings.

See figures.1.and.2, a kind of Dual-shaft electric toothbrush, including the handle 1 being sequentially connected, connecting rod 2 and brush 3.Handle 1 is in cylindrical it is also possible to be in the existing other shapes of toothbrush handle.The inside of handle 1 is provided with the battery a3 being electrically connected to each other, electricity Machine a1 and control circuit a2.The surface of handle 1 is provided with manipulation button 11.

With reference to Fig. 1, Fig. 2, Fig. 3 and Fig. 4, brush 3 includes the containment vessel 5 being detachably connected with connecting rod 2.This containment vessel 5 In semiellipse cylindricality, it is equiped with two in containment vessel 5 and is parallel to each other and surface is provided with rotating shaft 6 and the rotating shaft of complex root hairbrush 100 7.The inner surface of containment vessel 5 is provided with a raised line 51 between rotating shaft 6 and rotating shaft 7, and the front of raised line 51 is provided with along its length Extended strip groove 511；When motor a1 makes rotating shaft 6 and rotating shaft 7 rotate in the opposite direction by above-mentioned drive mechanism, turn Axle 6 is all mutually scratched with the front of raised line 51 with the hairbrush 100 of rotating shaft 7.

With reference to Fig. 1, Fig. 2, Fig. 3, Fig. 5 and Fig. 6, one end of connecting rod 2 is provided with lower connecting portion 21, and the other end is provided with connection Portion 22.Wherein descend connecting portion 21 to be threaded connection mode and be removable installed in handle 1, buckle is passed through in the lower end of containment vessel 5 Connected mode can be arranged to manual teardown connecting portion 22.User can take off containment vessel 5, the inner surface to containment vessel 5 It is carried out with other concealment parts of brush 3.

With reference to Fig. 1, Fig. 2, Fig. 5 and Fig. 6, above-mentioned drive mechanism includes power transmission shaft 4, the 4th gear b4, connecting shaft e1 and company Spindle e2.It is provided with installation cavity 200, power transmission shaft 4 is rotationally installed in connecting rod 2, wherein power transmission shaft 4 in upper connecting portion 22 One end is extended to outside lower connection 21 and is mutually linked with the output shaft a11 of motor a1, and the other end extends in installation cavity 200 and sets There are first gear b1 and the 3rd gear b3.Connecting shaft e1 and connecting shaft e2 are rotatablely arranged at connecting portion 22, and are driven Axle 4 is located between connecting shaft e1 and connecting shaft e2.One end of connecting shaft e2 is provided with second gear b2 in installation cavity 200, and First gear b1 is meshed with second gear b2, and the other end of connecting shaft e2 is extended to outside connecting portion 22 and is connected with rotating shaft 7 Connect；One end of connecting shaft e1 is provided with the 5th gear b5 in installation cavity 200, and the 3rd gear b3, the 4th gear b4 and the 5th tooth Wheel b5 engages successively, and the other end of connecting shaft e1 is extended to outside connecting portion 22 and is connected with rotating shaft 6.

Reference Fig. 2 and Fig. 6, preferably：First gear b1 is identical with second gear b2 size, the 3rd gear b3, 4th gear b4 and the equal size of the 5th gear b5 are identical.

With reference to Fig. 2, Fig. 4, Fig. 5 and Fig. 6, the output shaft a11 of motor a1 is provided with polygonal blind hole a111, power transmission shaft 4 Lower end be provided with the Butt Section 41 being adapted with blind hole a111.Butt Section 41 is removably inserted in blind hole a111.Connecting shaft E1 is provided with polygon connecting post e11, and rotating shaft 6 is provided with the connecting hole 61 with the cooperation of connecting post e11, and connecting post e11 is removably slotting In connecting hole 61.Connecting shaft e2 is provided with polygon connecting post e21, and rotating shaft 7 is provided with the connecting hole with the cooperation of connecting post e21 71, connecting post e21 is removably inserted in connecting hole 71.And rotating shaft 6 is corresponding with rotating shaft 7 other end is rotatablely arranged at guarantor In the blind hole 52 and blind hole 53 of protective case 5.When hairbrush damage needs the rotating shaft 6 and the rotating shaft 7 that more renew, only containment vessel 5 need to be taken off, Rotating shaft 6 and rotating shaft 7 are taken apart and changed with connecting shaft e1 and connecting shaft e2.

With reference to Fig. 2, Fig. 3 and Fig. 7, the front of raised line 51 is provided with plurality of pins along its length in the both sides of groove 511 Tooth 512.When hairbrush 100 is mutually scratched with raised line 51, the rough surface that a plurality of teeth 512 are constituted can be more preferable By the debris on hairbrush 100 and dirt removal.

With reference to Fig. 2 and Fig. 3, the inner surface of containment vessel 5 is less than hairbrush 100 with the distance between rotating shaft 7, surface of rotating shaft 6 Length.The inner surface of containment vessel 5 is provided with a plurality of projections（In figure is not drawn into）.

With reference to Fig. 1, Fig. 2, Fig. 3, Fig. 8, Fig. 9 and Figure 10, this electric toothbrush also includes a sealing being interlocked with containment vessel 5 Lid 8, this closure 8 is in semiellipse cylindricality, and the inner surface of closure 8 is provided with tiny inconsistent with hairbrush 100 of complex root Cylinder 81, this closure 8 is removable installed on containment vessel 5.Preferably：Complex root tiny columns 81 are arranged in two Individual rectangular matrix, two rectangular matrixs form one-to-one relationship with rotating shaft 6 and rotating shaft 7, and the length corresponding to rotating shaft 6 The upper surface of square matrix is the arc-shaped surface that coincides of the center of circle of the center of circle and rotating shaft 6, the rectangular matrix corresponding to rotating shaft 7 Upper surface be the center of circle and rotating shaft 7 the arc-shaped surface that coincides of the center of circle.Do not need using during this electric toothbrush, by closure 8 are buckled on containment vessel 5, can prevent dust or tiny debris are bonded on hairbrush 100 it is ensured that the cleannes of brush 3.And work as When needing to brush teeth, take off closure 8.When needing hairbrush 100 is simply cleaned, hairbrush 100 can be bedewed, then Closure 8 is buckled on containment vessel 5 and starts motor a1, allow hairbrush 100 to rotate and mutually scratch with cylinder 81, thus removing defeathering The dirt of brush 100 remained on surface and impurity.

With reference to Fig. 1, Fig. 2 and Fig. 3, using method of the present utility model：（1）Toothpaste base is applied in rotating shaft 6 and rotating shaft 7 On；（2）In mouthful containing good a small amount of water after, by brush 3 with rotating shaft 6 and rotating shaft 7 surface just to tooth；（3）Start motor a1, make to turn Axle 6 and rotating shaft 7 rotate in the opposite direction, and when hairbrush 100 rotates the outside to containment vessel 5, hairbrush 100 is in dental surface and teeth space In scrub, thus by the debris on tooth and dirt removal；Mutually cut to pieces with raised line 51 when in hairbrush 100 rotating to containment vessel 5 Rub, thus part is stayed and is scraped in the debris on hairbrush 100 and dirt and be collected in groove 511, simultaneously hairbrush 100 also with guarantor The inner surface of protective case 5 mutually scratches, to remove debris further；（4）After having cleaned tooth, stop motor a1, brush 3 is immersed In water, restart motor a1, allow rotating shaft 6 and rotating shaft 7 to rotate, to remove debris and dirt on hairbrush 100 and containment vessel 5.

Above are only specific embodiment of the present utility model, but design concept of the present utility model be not limited thereto, All changes that using this design, this utility model is carried out with unsubstantiality, all should belong to the row invading this utility model protection domain For.

Claims (9)

1. a kind of Dual-shaft electric toothbrush, including the handle being sequentially connected, connecting rod and brush, described handle inner be provided with battery, Motor and control circuit it is characterised in that：It is provided with drive mechanism, described brush includes removable with connecting rod inside described connecting rod Unload the containment vessel of connection, this containment vessel is in semiellipse cylindricality, be equiped with two in containment vessel and be parallel to each other and surface is provided with plural number The rotating shaft of root hairbrush, the inner surface of described containment vessel is provided with being provided with a raised line, the front of described raised line described in two between rotating shaft The strip groove being extended along its length；Described motor makes rotating shaft described in two rotate in the opposite direction by drive mechanism When, the hairbrush of two rotating shafts is all scratched with the front phase of raised line.

2. a kind of Dual-shaft electric toothbrush according to claim 1 it is characterised in that：Described drive mechanism include power transmission shaft, 4th gear and two connecting shafts, mutually linked with the output shaft of motor in one end of described power transmission shaft, the other end is provided with first gear With the 3rd gear；Described power transmission shaft is located between two connecting shafts, and one end of wherein one connecting shaft is provided with second gear, the other end with Wherein described in one, rotating shaft is connected, and one end of another connecting shaft is provided with the 5th gear, and the other end is connected with another described rotating shaft, Described first gear is meshed with second gear, and described 3rd gear, the 4th gear and the 5th gear engage successively.

3. a kind of Dual-shaft electric toothbrush according to claim 2 it is characterised in that：Described first gear and second gear phase With described 3rd gear, the 4th gear and the 5th gear all same.

4. a kind of Dual-shaft electric toothbrush according to claim 1 and 2 it is characterised in that：One end of described connecting rod is provided with Lower connecting portion, the other end is provided with connecting portion, and described lower connecting portion is threaded connection mode and is removable installed in handle, institute State containment vessel and be removable installed in upper connecting portion by snapping connection mode.

5. a kind of Dual-shaft electric toothbrush according to claim 4 it is characterised in that：The output shaft of described motor is provided with more than one The blind hole of side shape, the lower end of described power transmission shaft is provided with the Butt Section being adapted with blind hole, and described Butt Section is removably inserted in In blind hole；Described upper connecting portion is provided with installation cavity, and one end of connecting shaft described in two is all rotatablely arranged at connecting portion, another End is detachably connected with corresponding rotating shaft.

6. a kind of Dual-shaft electric toothbrush according to claim 1 it is characterised in that：Also include one to be interlocked with containment vessel Closure, this closure is in semiellipse cylindricality, and the inner surface of closure is provided with the complex root cylinder inconsistent with hairbrush.

7. a kind of Dual-shaft electric toothbrush according to claim 1 it is characterised in that：The front of described raised line is the two of groove Side is provided with a plurality of teeth along its length.

8. a kind of Dual-shaft electric toothbrush according to claim 1 it is characterised in that：Described containment vessel inner surface and rotating shaft table The distance between face is less than the length of hairbrush.

9. a kind of Dual-shaft electric toothbrush according to claim 8 it is characterised in that：Described containment vessel inner surface is provided with plural number Individual projection.