CN201469449U

CN201469449U - Electric toothbrush head

Info

Publication number: CN201469449U
Application number: CN200920304185XU
Authority: CN
Inventors: 佘金康
Original assignee: Individual
Current assignee: Individual
Priority date: 2009-06-10
Filing date: 2009-06-10
Publication date: 2010-05-19
Anticipated expiration: 2019-06-10

Abstract

An electric toothbrush head belongs to the field of electric toothbrushes, aiming at problems that the existing electric toothbrush is undesirable in tooth brush effect and can not vibrate and massage relative portions in the oral cavity well when used to brush teeth. The electric toothbrush head comprises an outer casing of the toothbrush head, a transmission shaft, a bristle seat and a connecting mechanism designed between the bristle seat and the outer casing of the toothbrush head, the transmission shaft comprises a transitional section, a supporting section and a transmission section which are connected integrally, a right transmission arm, a left transmission arm and a projection are respectively arranged on the bristle seat, the projection is provided with a through groove, the transmission section of the transmission shaft is assembled between the left transmission arm and the right transmission arm, the transitional section of the transmission shaft is assembled with the through groove on the projection, and the supporting section of the transmission shaft arranged between the bristle seat and the outer casing of the toothbrush head is assembled with the connecting mechanism. The electric toothbrush head is assembled with a brush cylinder and a brush holder to form a toothbrush which can achieve desirable effect of brushing teeth and has fine vibrating and massaging effects on relative portions in the oral cavity when used to brush teeth.

Description

Electric toothbrush head

Technical field

This utility model relates to field of electric toothbrushes, particularly relates to a kind of electric toothbrush head.

Background technology

The patent No. is that 02271490.1 Chinese utility model patent discloses a kind of electric toothbrush, the brush that it comprises brush pot, brush holder and has bristle, described brush pot inner chamber is provided with the connecting rod of battery, motor, drive mechanism and drive thereof, it is characterized in that described connection rod end is provided with the swing mechanism that the drive brush is done reciprocal beat motion.Described swing mechanism is the crotch of crank throw shape by connecting rod top and but the hook groove of brush inwall holding crotch constitutes, and wherein hook groove groove width is slightly larger than the connecting rod diameter.Brush can be along the brush holder reciprocally swinging under connecting rod top crotch drives.This electric toothbrush and similarly adopt the driven off by shaft electric toothbrush of rotary transmission, the supporting section of its power transmission shaft mostly is arranged in the end of brush holder, the deficiency of this structure is: power transmission shaft does not extend to the space between hair seat and the brush shell, the supporting section of power transmission shaft is biased in the end of brush holder, the design of power transmission shaft can not utilize the space between hair seat and the brush shell, brush can only be made reciprocally swinging along brush holder, when people utilize this electric toothbrush and similarly adopt the driven off by shaft electric toothbrush of rotary transmission to brush teeth, its toothbrushing effect is not ideal, and boil on the nape opposite the mouth intracavity region of interest does not reach the good result of vibromassage.

The utility model content

Technical problem to be solved in the utility model is, overcome above-mentioned the deficiencies in the prior art, a kind of electric toothbrush head is provided, the supporting section of power transmission shaft is arranged in the space between hair seat and the brush shell, power transmission shaft can drive hair seat in rotation process and the pieces that is provided with on it is radially made reciprocally swinging along the hair seat, the pieces that can also drive the hair seat and be provided with on it axially moves back and forth along the hair seat, thereby reach ideal toothbrushing effect, and boil on the nape opposite the mouth intracavity region of interest reaches good vibromassage effect.

The technical scheme that its technical problem that solves this utility model adopts is: electric toothbrush head, comprise the brush shell, power transmission shaft and hair seat, also comprise the bindiny mechanism of design between hair seat and brush shell, described power transmission shaft comprises the changeover portion that is connected as a single entity in regular turn, supporting section and transmission section, design has right transmission arm respectively on the hair seat, Left Drive arm and projection, design has through slot on projection, the transmission section of power transmission shaft is assemblied between right transmission arm and the Left Drive arm, the changeover portion of power transmission shaft and the through slot on the projection are assembled together, and the supporting section and the bindiny mechanism of the power transmission shaft of design between hair seat and brush shell are assembled together.

In technique scheme, described bindiny mechanism comprises centre mount, design has a button bit and open slot respectively on centre mount, design has bearing position and brush shell button bit respectively in the brush shell, bearing position in the brush shell cooperates with the open slot on the centre mount, forms a space, and the supporting section of power transmission shaft is assemblied in the described space, centre mount is assembled together by seat button bit and brush shell button bit and brush shell, and the mesopore of hair seat fulcrum direct and centre mount is assembled together.

Described bindiny mechanism comprises axle sleeve, and the mesopore of axle sleeve and hair seat is the stationary fit mode and is assembled together, and the fulcrum of centre mount and axle sleeve are movingly that mode is assembled together, and the head of fulcrum is pressed into manufactured head in fulcrum and axle sleeve assembling process.

The changeover portion of described power transmission shaft can be spacing a section of power transmission shaft, and spacing section of power transmission shaft is straight-bar shape.

Through slot on the described projection can be a fan groove, spacing between the upper and lower inwall of fan groove is less than the spacing between its left and right inwall, the changeover portion of described power transmission shaft can be the crank throw section of power transmission shaft, the crank throw section of power transmission shaft is crank throw shape, the crank throw section that is the power transmission shaft of crank throw shape contacts the upper and lower inwall of fan groove in rotary course, drive hair seat and the pieces that is provided with on it axially move back and forth along the hair seat.

Design has spacing between right transmission arm and Left Drive arm, the transmission section of power transmission shaft is bending shape, the transmission section that is the power transmission shaft of bending shape contacts right transmission arm and Left Drive arm in rotary course, drive hair seat and the pieces that is provided with on it are radially made reciprocally swinging along the hair seat.

The beneficial effects of the utility model are: because the pieces that the transmission section of power transmission shaft of the present utility model can drive mao and be provided with on it is radially made reciprocally swinging along the hair seat, the crank throw section of power transmission shaft can drive hair seat and the pieces that is provided with on it axially moves back and forth along the hair seat, the supporting section and the bindiny mechanism of the power transmission shaft of design between hair seat and brush shell are assembled together, its structure makes the safety of hair seat improve, make on pieces had, down, a left side, the premium properties of right motion, thereby use this utility model to brush teeth in the process people, can reach ideal toothbrushing effect, and boil on the nape opposite the mouth intracavity region of interest reaches good vibromassage effect.

Description of drawings

Below in conjunction with the drawings and specific embodiments this utility model is described in further detail.

Fig. 1 is the cutaway view of first embodiment of this utility model;

Fig. 2 is the cutaway view along A-A line among Fig. 1;

Fig. 3 is the cutaway view along B-B line among Fig. 1;

Fig. 4 is the cutaway view of each related components when the hair seat forwards left stop to;

Fig. 5 is the cutaway view of each related components when the hair seat forwards right stop to;

Fig. 6 is that the hair seat is corresponding to the left and right sketch map of making reciprocally swinging when power transmission shaft is done unidirectional rotation;

Fig. 7 is the exploded view of first embodiment of this utility model;

Fig. 8 is the cutaway view of second embodiment of this utility model each related components when the hair seat moves on to top dead centre;

Fig. 9 is the cutaway view of second embodiment of this utility model each related components when the hair seat moves on to lower dead center;

Figure 10 is the cutaway view of second embodiment of this utility model each related components when the hair seat forwards left stop to;

Figure 11 is the cutaway view of second embodiment of this utility model each related components when the hair seat forwards right stop to;

Figure 12 is that the hair seat is corresponding to the left and right sketch map of making reciprocally swinging and doing up and down to move back and forth when power transmission shaft is done unidirectional rotation.

Among the figure, 1, power transmission shaft; 2, brush shell; 4, axle sleeve; 5, centre mount; 6, manufactured head; 7, pieces; 8, hair seat; 9, right transmission arm; 10, transmission section; 11, supporting section; 12, projection; 13, spacing section; 14, fan groove; 15, Left Drive arm; 16, bearing position; 17, brush shell button bit; 18, seat button bit; 19, open slot; 20, crank throw section.

The specific embodiment

Embodiment 1, referring to Fig. 1, Fig. 2, Fig. 3 and Fig. 7, the described electric toothbrush head of present embodiment, comprise brush shell 2, power transmission shaft 1 and hair seat 8, also comprise the bindiny mechanism of design between hair seat 8 and brush shell 2, described power transmission shaft 1 comprises the changeover portion that is connected as a single entity in regular turn, supporting section 11 and transmission section 10, design has right transmission arm 9 respectively on hair seat 8, Left Drive arm 15 and projection 12, design has through slot on projection 12, the transmission section 10 of power transmission shaft 1 is assemblied between right transmission arm 9 and the Left Drive arm 15, through slot on the changeover portion of power transmission shaft 1 and the projection 12 is assembled together, and the supporting section 11 of the power transmission shaft 1 of design between hair seat 8 and brush shell 2 is assembled together with bindiny mechanism.Described bindiny mechanism comprises centre mount 5, design has a button bit 18 and open slot 19 respectively on centre mount 5, design has bearing position 16 and brush shell button bit 17 respectively in brush shell 2, bearing position 16 in the brush shell 2 cooperates with the open slot 19 on the centre mount 5, form a space, the supporting section 11 of power transmission shaft 1 is assemblied in the described space, and promptly the supporting section 11 of power transmission shaft 1 can freely rotate in the space of being made up of jointly the bearing position in the brush shell 2 16 and the open slot 19 of centre mount 5; Centre mount 5 is assembled together with brush shell 2 by seat button bit 18 and brush shell button bit 17.Described bindiny mechanism comprises axle sleeve 4, and axle sleeve 4 is the stationary fit mode with mao mesopore of seat 8 and is assembled together, and promptly after this two parts assembling, axle sleeve 4 can bear enough pullout forces; The fulcrum of centre mount 5 and axle sleeve 4 are movingly that mode is assembled together, and the head of fulcrum is pressed into manufactured head 6 in fulcrum and axle sleeve 4 assembling processes, are used for restriction hair seat 8, prevent to come off, and increase the reliability of its installation.In actual applications, for reducing manufacturing cost, can save axle sleeve 4, the mesopore of hair seat 8 fulcrum direct and centre mount 5 is assembled together.The changeover portion of described power transmission shaft 1 can be spacing a section 13 of power transmission shaft 1, and spacing section 13 of power transmission shaft 1 is straight-bar shape; Through slot on the described projection 12 can be a fan groove 14, and spacing section 13 of power transmission shaft 1 can freely be passed through the fan groove 14 of design on hair seat 8, thereby restriction hair seat 8 prevents to come off.Referring to Fig. 4, Fig. 5 and Fig. 6, design has spacing between right transmission arm 9 and Left Drive arm 15, the transmission section 10 of power transmission shaft 1 is bending shape, the transmission section 10 that is the power transmission shaft 1 of bending shape contacts right transmission arm 9 and Left Drive arm 15 in rotary course, drive hair seat 8 and the pieces 7 that is provided with on it is radially made reciprocally swinging along the hair seat.The work process of present embodiment is: referring to Fig. 6, actuating unit outputting power in the toothbrush handle drives power transmission shaft 1 and does unidirectional rotation in a direction indicated by the arrow, the transmission section 10 of power transmission shaft 1 by design on hair seat 8 Left Drive arm 15 or right transmission arm 9 promote hair seat 8 and be provided with on it pieces 7 in a direction indicated by the arrow (hair seat 8 radially) make reciprocally swinging; When transmission section 10 contact Left Drive arms 15, then promote hair seat 8 and pieces 7 swing left in a direction indicated by the arrow on it is set, until left stop, from mid point to left stop, corner is a, as shown in Figure 4; Then transmission section 10 breaks away from Left Drive arms 15, and contacts right transmission arm 9, then promotes hair seat 8 and pieces 7 swing to the right in a direction indicated by the arrow on it is set, and until right stop, from mid point to right stop, corner is a, as shown in Figure 5.Power transmission shaft 1 constantly rotates, and then hair seat 8 and the pieces 7 that is provided with on it are constantly made reciprocally swinging in a direction indicated by the arrow between left and right stop, as shown in Figure 6.Hair seat 8 and the corner of pieces 7 between left and right stop that is provided with on it are 2a.

Embodiment 2, referring to Fig. 8, Fig. 9, Figure 10, Figure 11 and Figure 12, the described electric toothbrush head of present embodiment, compare with embodiment 1, its difference is: spacing section 13 of the power transmission shaft 1 among the embodiment 1 is coaxial with supporting section 11, these spacing section 13 are played 8 effects that come off of restriction hair seat, and the crank throw section 20 of the power transmission shaft 1 in the present embodiment is the crank throw of relative supporting section 11 parallel offsets, the effect of this crank throw section 20 is except that restriction hair seat 8 comes off, and also the hair of transmission simultaneously seat 8 is axially done upper and lower moving back and forth along the hair seat; Concrete different structure and assembly relations thereof is, through slot on the described projection 12 can be a fan groove 14, spacing between the fan groove 14 upper and lower inwalls is less than the spacing between its left and right inwall, the changeover portion of described power transmission shaft 1 can be the crank throw section 20 of power transmission shaft 1, the crank throw section 20 of power transmission shaft 1 is crank throw shape, the crank throw section 20 that is the power transmission shaft 1 of crank throw shape contacts the upper and lower inwall (can not touch the left and right inwall of fan groove 14) of fan groove 14 in rotary course, drive hair seat 8 and the pieces 7 that is provided with on it axially moves back and forth along the hair seat.Other structure and the assembly relation thereof of present embodiment are identical with embodiment 1, no longer are repeated in this description at this.The work process of present embodiment is: referring to Figure 12, actuating unit outputting power in the toothbrush handle drives power transmission shaft 1 and does unidirectional rotation in a direction indicated by the arrow, transmission section 10 transmission hair seats 8 and be provided with on it pieces 7 in a direction indicated by the arrow (hair seat 8 radially) make reciprocally swinging, as Figure 10, shown in Figure 11 (left, the situation that reciprocally swinging is made on the right side is identical with embodiment 1, no longer be repeated in this description at this), at the same time, the crank throw section 20 of power transmission shaft 1 promotes hair seat 8 by the fan groove 14 of design on projection 12 (projection 12 design on the hair seat 8) and the pieces 7 that is provided with on it axially moves back and forth in a direction indicated by the arrow along the hair seat, when crank throw section 20 contacts the upper wall of fan grooves 14, the pieces 7 that then promotes hair seat 8 and be provided with on it moves up in a direction indicated by the arrow, until top dead centre, from the supreme stop of mid point, the distance that moves is S, as shown in Figure 8; Then crank throw section 20 breaks away from the upper wall of fan grooves 14, and the lower wall of contact fan groove 14, then promotes hair seat 8 and the pieces 7 that is provided with on it moves down in a direction indicated by the arrow, and until lower dead center, to lower dead center, mobile distance is S, as shown in Figure 9 from mid point.Hair seat 8 and the pieces 7 mobile distance between upper and lower stop that is provided with on it are 2S.That is, power transmission shaft 1 constantly rotates, hair seat 8 and be provided with on it pieces 7 simultaneously constantly (radially) between the left and right stop along the hair seat make reciprocally swinging back and forth and between upper and lower stop (axially) along the hair seat move back and forth back and forth, as shown in figure 12.

The above only is two preferred embodiments of the present utility model, is not to be used for limiting this utility model, and all its similar embodiment and proximate structure all should be covered by the protection domain of this utility model patent.

Claims

1. electric toothbrush head, comprise the brush shell, power transmission shaft and hair seat, it is characterized in that: also comprise the bindiny mechanism of design between hair seat and brush shell, described power transmission shaft comprises the changeover portion that is connected as a single entity in regular turn, supporting section and transmission section, design has right transmission arm respectively on the hair seat, Left Drive arm and projection, design has through slot on projection, the transmission section of power transmission shaft is assemblied between right transmission arm and the Left Drive arm, the changeover portion of power transmission shaft and the through slot on the projection are assembled together, and the supporting section and the bindiny mechanism of the power transmission shaft of design between hair seat and brush shell are assembled together.

2. electric toothbrush head according to claim 1, it is characterized in that: described bindiny mechanism comprises centre mount, design has a button bit and open slot respectively on centre mount, design has bearing position and brush shell button bit respectively in the brush shell, bearing position in the brush shell cooperates with the open slot on the centre mount, form a space, the supporting section of power transmission shaft is assemblied in the described space, centre mount is assembled together by seat button bit and brush shell button bit and brush shell, and the mesopore of hair seat fulcrum direct and centre mount is assembled together.

3. electric toothbrush head according to claim 1 and 2, it is characterized in that: described bindiny mechanism comprises axle sleeve, axle sleeve is the stationary fit mode with mao mesopore of seat and is assembled together, the fulcrum of centre mount and axle sleeve are movingly that mode is assembled together, and the head of fulcrum is pressed into manufactured head in fulcrum and axle sleeve assembling process.

4. electric toothbrush head according to claim 1 is characterized in that: the changeover portion of described power transmission shaft can be spacing a section of power transmission shaft, and spacing section of power transmission shaft is straight-bar shape.

5. electric toothbrush head according to claim 1, it is characterized in that: the through slot on the described projection can be a fan groove, spacing between the upper and lower inwall of fan groove is less than the spacing between its left and right inwall, the changeover portion of described power transmission shaft can be the crank throw section of power transmission shaft, the crank throw section of power transmission shaft is crank throw shape, the crank throw section that is the power transmission shaft of crank throw shape contacts the upper and lower inwall of fan groove in rotary course, drive hair seat and the pieces that is provided with on it axially move back and forth along the hair seat.

6. electric toothbrush head according to claim 1, it is characterized in that: design has spacing between right transmission arm and Left Drive arm, the transmission section of power transmission shaft is bending shape, the transmission section that is the power transmission shaft of bending shape contacts right transmission arm and Left Drive arm in rotary course, drive hair seat and the pieces that is provided with on it are radially made reciprocally swinging along the hair seat.