CN2681701Y

CN2681701Y - Double head electric tooth brush

Info

Publication number: CN2681701Y
Application number: CN 200320125275
Authority: CN
Inventors: 林辉明
Original assignee: Individual
Current assignee: Individual
Priority date: 2003-12-23
Filing date: 2003-12-23
Publication date: 2005-03-02
Anticipated expiration: 2013-12-23

Abstract

An electric double-head toothbrush of the utility model comprises a toothbrush body (1) and a motor (2) in the inner chamber of the toothbrush body, an eccentric mechanism (3) on the power output shaft of the motor (2), a toothbrush handle (4) with a toothbrush head arranged on the top of the toothbrush body (1), and a deflector rod (5) with the intermediate section hinged to the toothbrush body (1) and with the back end connected to the eccentric mechanism (3). The toothbrush head comprises a rotating brush head (6) in the front end and a vertical brush head (7) behind the toothbrush head, and the front end and front segment of the deflector rod (5) are respectively fallen into the sliding slot (61) and the concave position (71) on the back of the front end and front segment; through the eccentric mechanism (3), the motor (2) drives the deflector rod (5) for side-to-side movement with the mid hinged hole as a fulcrum. The wobbling deflector rod (5) drives the lateral wall of the concave position (71) and toggles the sliding slot (61), and makes the vertical brush head (7) do reciprocation linear motion along the limiting track, and the rotating brush head (6) makes progressive rotation winding the rotating shaft. The electric double-head toothbrush of the utility model has a high tooth-brushing efficiency and good tooth clean and protecting effect.

Description

Electronic pair of head toothbrush

Technical field

This utility model relates to daily electric toothbrush, relates in particular to a kind of electric toothbrush with two brushes.

Background technology

Existing electric toothbrush, its brush or be rotational head, bristle though can effectively remove the dirt of dental surface, is difficult to remove the dirt in the teeth space around the positive and negative rotation of handle; Be the swing brush, bristle swings back and forth perpendicular to the direction of handle, can effectively remove the dirt in the teeth space, but not good to the cleaning effect of dental surface.Use above two kinds of electric toothbrushes to brush teeth, want that comprehensive cleaning teeth need spend the more time and effect is bad, be unfavorable for taking care of one's teeth.

The utility model content

The technical problems to be solved in the utility model provides a kind of electronic pair of head toothbrush that has rotational head and vertical lines swing brush simultaneously.

This utility model is taked following technical scheme: design a kind of electronic pair of head toothbrush, comprising: the eccentric stiffener on the motor of toothbrush body and inner chamber thereof, the motor power output shaft, and the handle of the band head toothbrushes of toothbrush body top active buckle and between described eccentric stiffener and head toothbrushes in order to the driving lever of transferring power.The middle part of this driving lever is articulated in the toothbrush body, and its rear end is connected with eccentric stiffener.

Described head toothbrushes comprise be connected with the handle rotary moveable at the rotational head of front end and the vertical brush that after rotational head, is slidingly connected with handle, both back sides are respectively equipped with chute and recess, and the leading portion of described driving lever and front end fall into respectively in described recess and the chute.

Described motor drives eccentric stiffener and rotates, eccentric stiffener drive driving lever is that fulcrum swings with the hinge hole at middle part, the cell wall that the driving lever of swing promotes described recess makes vertical brush do to come and go rectilinear motion along its spacing track, and the chute that its front end is stirred the rotational head back side makes rotational head back and forth rotate around its rotating shaft.Rotational head and vertical brush move simultaneously like this, and the dirt in teeth surfaces and the teeth space has improved the efficient of brushing teeth and the effect that cleans one's teeth greatly simultaneously.

The described rotational head back side is convexly equipped with a round platform, this round platform rear portion is provided with described chute, have segmental groove on the forward vertical side walls, one small embossment that is fixedly arranged on the handle front inner wall falls in this groove, the friction tight vertical pivot of one top and handle inserts in the centre bore of described round platform, and rotational head is suspended on the handle and can rotates around this vertical pivot.Described small embossment can be a small convex pillar, and the contact surface of itself and groove is little, has reduced the frictional force between rotational head and the handle.

The described vertical brush back side has a horizontal through hole, one cross sliding shaft perpendicular to handle passes this through hole and is positioned on the handle, vertical brush is limited on the handle and can be free to slide along this cross sliding shaft, has the space that corresponding groove provides vertical brush to slidably reciprocate on the handle diapire.

The both ends that described cross sliding shaft is positioned at handle are fixed with packing ring, the noise that the bump handle produces in the time of effectively reducing vertical brush and slidably reciprocate.

Described eccentric stiffener comprises the change-speed gearing group, i.e. motor gear and change-speed gearing and be convexly set in vertical eccentric shaft on the change-speed gearing; This eccentric shaft falls in the slide opening of described driving lever rear end, motor drive the change-speed gearing group and on vertical eccentric shaft rotate, eccentric shaft drives driving lever and does reciprocal swinging.

The rear end of described handle is provided with toothbrush body top bayonet socket fastens has certain elastic location buckle, handle is inserted on the cooperation position of toothbrush body by force along the axle center, be inserted into the bayonet socket ejection of a buckle of back handle rear end from the toothbrush body, handle is fixed on toothbrush body top.This structure can be convenient for changing head toothbrushes.

Compared with prior art; electronic pair of head toothbrush of the present utility model has following beneficial effect: electric toothbrush of the present invention is provided with electronic rotation brush and electronic vertical swing brush simultaneously; the swing brush moves up and down along the tooth direction; bristle can go deep into teeth space; remove the teeth space dirt, rotational head rotates at dental surface, can effectively remove the dental surface dirt; improved brushing efficiency greatly, and can better take care of one's teeth.

Description of drawings

The drawing of accompanying drawing is described as follows:

Fig. 1 is the exploded view of electronic pair of head toothbrush of this utility model.

Fig. 2 is the direction of motion sketch map of two brushes when the eccentric shaft on the eccentric stiffener 3-33 is positioned at diverse location; (a, b) eccentric shaft 33 is placed in the middle; (c) eccentric shaft 33 to the right; (d) eccentric shaft 33 left;

Fig. 3 is the assembling sketch map of toothbrush body 1 and handle 4.

The specific embodiment

The utility model will be further described below in conjunction with accompanying drawing and embodiment shown in the drawings.

As shown in Figure 1, electronic pair of head toothbrush of the present utility model comprises: the eccentric stiffener 3 on the motor 2 of toothbrush body 1 and inner chamber thereof, motor 2 power output shafts, and the handle 4 of the band head toothbrushes of toothbrush body 1 top active buckle and between described eccentric stiffener 3 and head toothbrushes in order to the driving lever 5 of transferring power.Described head toothbrushes comprise be connected with handle 4 rotary moveables at the rotational head 6 of front end and the vertical brush 7 that after rotational head 6, is slidingly connected with handle 4.Wherein:

As Fig. 1, described rotational head 6 back sides convex with a round platform 62, these round platform 62 rear portions are toward interior recessed formation chute 61, have on the forward vertical side walls level to scalloped recess 63, one small convex pillar 41 penetrates and falls into from the installing hole of handle 4 front ends in this groove 63 rotational head 6 is hung on the handle 4, one top and handle 4 friction tight vertical pivots 64 insert in the centre bore of described round platform 62, and rotational head 6 can rotate around this vertical pivot 64.Certainly, above-mentioned small convex pillar 41 also can be the small embossment of other shape, but the contact surface of small column and groove 63 is less, can reduce the frictional force between rotational head 6 and the handle 4.

Described vertical brush 7 back sides have a horizontal through hole 72, one cross sliding shaft 73 perpendicular to handle 4 passes this through hole 72 and is positioned on the axis hole 43 of handle 4 two sides, vertical brush 7 is limited on the handle 4 and can be free to slide along this cross sliding shaft 73, the both ends that described cross sliding shaft 73 is positioned at handle 4 also respectively are fixed with a packing ring 74, the noise that bump handle 4 produces in the time of effectively reducing vertical brush 7 and slidably reciprocate.Have the space that corresponding groove provides vertical brush 7 to slidably reciprocate on the diapire of handle 4.Described horizontal through hole 72 tops are toward interior recessed formation recess 71.

As Fig. 1, described driving lever 5 major parts are positioned at toothbrush body 1, a driving lever 56 and a back driving lever 55 before comprising one, both have appropriate elastic water proof ring 54 by one and connect, this water proof ring 54 is positioned at the cervical region of toothbrush body 1 front end and is connected with this cervical region tight fit, can prevent that sealing enters toothbrush body 1 inner chamber from here.The leading portion of driving lever 56 is positioned at handle 4 before described, and the leading portion of this preceding driving lever 56 falls in the recess 71 at above-mentioned vertical brush 7 back sides, and its leading section falls in the chute 61 at above-mentioned rotational head 6 back sides.The rear end of described back driving lever 55 have a level to oval slide opening 51, the middle part of driving lever 5 is articulated on the screw 14 of toothbrush body lower cover 11 by a screw 53.

As Fig. 1, described eccentric stiffener 3 comprises the change-speed gearing group, i.e. motor gear 31 and change-speed gearing 32 and be convexly set in vertical eccentric shaft 33 on the change-speed gearing 32; This eccentric shaft 33 falls in the slide opening 51 of described driving lever 5 rear ends.Motor 2 drive the change-speed gearing groups and on vertical eccentric shaft 33 rotate, it is fulcrum left and right sides reciprocally swinging with the hinged place at its middle part that the two side that eccentric shaft 33 promotes slide opening 51 makes driving lever 5, the two side that the leading portion of this driving lever 5 promotes described recess 71 makes vertical brush 7 do to come and go rectilinear motion along described cross sliding shaft 73, and the cell wall that the driving lever leading section is stirred rotational head 6 back side chutes 61 makes rotational head 6 back and forth rotate around its rotating shaft.

In order to reduce the frictional force between driving lever 5 and described chute 61 and the recess 71, make driving lever 5 swings more smooth and easy, the front end of described driving lever 5 is made bulb front end 52, and the cell wall of chute 61 is slick cambered surface, and the two side of described recess 71 also is symmetrical smooth outer convex globoidal (as Fig. 1).

As shown in Figure 2, when eccentric shaft 33 was placed in the middle, preceding driving lever 56 and bulb front end 52 thereof were also placed in the middle, vertical brush 7 (as Fig. 2-a, b) placed in the middle; When eccentric shaft 33 to the right the time, preceding driving lever 56 and bulb front end 52 left side pendulum thereof, rotational head 6 are to right rotation, and vertical brush 7 is swung left (as Fig. 2-c); When eccentric shaft 33 left the time, preceding driving lever 56 and bulb front end 52 right pendulum thereof, rotational head 6 are to anticlockwise, and vertical brush 7 is swung to the right (as Fig. 2-d).When brushing teeth like this, motor 2 not stalls are moving, and rotational head 6 just constantly rotates back and forth, and simultaneously vertical brush 7 constantly vertically moves back and forth up and down, and the dirt in teeth surfaces and the teeth space has improved the efficient of brushing teeth and the effect that cleans one's teeth greatly simultaneously.

As shown in Figure 3, the rear end of described handle 4 is provided with the location buckle 42 that fastens with toothbrush body 1 top bayonet socket 12, these location buckle 42 both sides have the groove 44 of straight-through handle bottom, make location buckle 42 have certain radial elasticity like this, and the rear end of location buckle 42 has an inclined-plane, handle 4 is inserted toothbrush body 1 inner chamber by force along the axle center, location buckle 42 is extruded along its inclined-plane and inwardly contract in the footpath, this location buckle 42 ejected and is stuck in this bayonet socket 12 places from the bayonet socket 12 of toothbrush body 1 after grafting put in place, and handle 4 promptly is fixed on toothbrush body 1 top.This structure can be convenient for changing head toothbrushes.

Claims

1, a kind of electronic pair of head toothbrush, comprise: the eccentric stiffener (3) on the motor (2) of toothbrush body (1) and inner chamber thereof, motor (2) power output shaft, with the handle (4) of toothbrush body (1) top active buckle, this handle (4) is provided with head toothbrushes, it is characterized in that:

Also be included between described eccentric stiffener (3) and the head toothbrushes in order to the driving lever (5) of transferring power, the middle part of this driving lever (5) is articulated in toothbrush body (1), and its rear end is connected with eccentric stiffener (3);

Described head toothbrushes comprises the rotational head at front end (6) that is connected with handle (4) rotary moveable and the vertical brush (7) that is slidingly connected with handle (4) afterwards at rotational head (6), their back side is respectively equipped with chute (61) and recess (71), and the leading portion of described driving lever (5) and front end fall into respectively in described recess (71) and the chute (61);

Described motor (2) drives eccentric stiffener (3) and rotates, eccentric stiffener drive driving lever (5) is that fulcrum swings with the hinge hole at middle part, the cell wall that the driving lever (5) of swing promotes described recess (71) makes vertical brush (7) do to come and go rectilinear motion along its spacing track, and the chute (61) that its front end is stirred rotational head (6) back side makes rotational head (6) back and forth rotate around its rotating shaft.

2, electronic pair of head toothbrush according to claim 1, it is characterized in that: described rotational head (6) back side is convexly equipped with a round platform (62), this round platform (62) rear portion is provided with described recess (61), have segmental groove (63) on the forward vertical side walls, one small embossment (41) that is fixedly arranged on handle (4) front inner wall falls in this groove (63), the friction tight vertical pivot of one top and handle (4) (64) inserts in the centre bore of described round platform (62), and rotational head (6) is suspended in handle (4) and goes up and can rotate around this vertical pivot (64).

3, electronic pair of head toothbrush according to claim 2, it is characterized in that: described small embossment (41) is a small convex pillar.

4, electronic pair of head toothbrush according to claim 1, it is characterized in that: described vertical brush (7) back side has a horizontal through hole (72), one cross sliding shaft perpendicular to handle (73) passes this through hole (72) and is positioned on the handle (4), the handle (4) that is limited at vertical brush (7) goes up and can be free to slide along this cross sliding shaft (73), has corresponding groove on handle (4) diapire the vertical brush space that (7) slidably reciprocate is provided.

5, electronic pair of head toothbrush according to claim 4 is characterized in that: the both ends that described cross sliding shaft (73) is positioned at handle (4) are fixed with packing ring (74).

6, according to the arbitrary described electronic pair of head toothbrush of claim 1 to 5, it is characterized in that: described eccentric stiffener (3) comprises the change-speed gearing group, i.e. motor gear (31) and change-speed gearing (32) and be convexly set in vertical eccentric shaft (33) on the change-speed gearing (32); This eccentric shaft (33) falls in the slide opening (51) of described driving lever (5) rear end, motor (2) drive the change-speed gearing group and on vertical eccentric shaft (33) rotate, eccentric shaft (33) drives driving lever (5) and does reciprocal swinging.

7, according to the arbitrary described electronic pair of head toothbrush of claim 1 to 5, it is characterized in that: the rear end of described handle (4) is provided with toothbrush body (1) top bayonet socket (12) fastens has certain elastic location buckle (42), handle (4) is inserted on the cooperation position of toothbrush body (1) by force along the axle center, be inserted into bayonet socket (12) ejection of a buckle (42) of back handle (4) rear end from toothbrush body (1), handle (4) is fixed on toothbrush body (1) top.

8, according to the arbitrary described electronic pair of head toothbrush of claim 1 to 5, it is characterized in that: described driving lever (5) has bulb front end (52).

9, according to the arbitrary described electronic pair of head toothbrush of claim 1 to 5, it is characterized in that: the two side of described vertical brush (7) back side recess (71) is symmetrical outer convex globoidal.

10, according to the arbitrary described electronic pair of head toothbrush of claim 1 to 5, it is characterized in that: described driving lever (5) middle part is articulated on the toothbrush body lower cover (11) by a screw (53).