CN2092975U

CN2092975U - Rotating and reciprocating electric toothbrush

Info

Publication number: CN2092975U
Application number: CN 91207636
Authority: CN
Inventors: 孙艳玲; 蒋法清
Original assignee: Individual
Current assignee: Individual
Priority date: 1991-05-11
Filing date: 1991-05-11
Publication date: 1992-01-15

Abstract

The utility model relates to an electric toothbrush, which is necessary for human lives. The utility model is particularly suitable for dental hygiene and health. Compared with a traditional electric toothbrush, the utility model can not only brush teeth vertically and in a push and pull way, but also can brush the teeth in a mixing way of vertical brushing operation and push and pull brushing operation. The utility model makes people brush the teeth in an easier, simpler and more convenient way, particularly ensures children who can not easily master tooth brushing pose be able to brush the teeth correctly.

Description

Rotating and reciprocating electric toothbrush

This utility model belongs to the essential brush based article of human lives, is specially adapted to oral health care.

Liu Tong toothbrush has three kinds basically in the market: 1, conventional manual toothbrushes, and it is inexpensive, but manipulates inconvenience; 2, Chinese patent CN86210846 is seen in the electric toothbrush of bristle rotation, and it is inoperative to the residue thing in the teeth space; 3, Chinese patent CN892184825 is seen in the electric toothbrush of brush swing, and its volume is big, and oscillating quantity is less, and the facing cleaning effect is undesirable.

The purpose of this utility model is that design is a kind of easy to use, can erect brush, promptly do the cleaning of rolling along perpendicular teeth space, the facing of perpendicular teeth space, facing and back of front tooth, can push away, draw brush again, be brush along the molar occlusal surface do the push-and-pull campaign, to the electric toothbrush of the cleaning of molar recess, it meets the science method for brushing teeth that oral cavity health department proposes fully.

The rotary reciprocating electric toothbrush of this utility model design, it is identical with traditional electric toothbrush, and power supply, motor, brush holder support, shell and brush are arranged.But this utility model is opened a circular curve cam path at the butt end of the major axis shape brush holder support of from coarse to fine transition, cam path should be processed into slide block on the relative zygote and rotate a circle 360 ° the time, the at the uniform velocity a certain amount of and playback of axial displacement of brush holder support, become the zygote and the motor shaft tight fit of drum shape, and the little tooth of little shape that passes through its outer contacts with clutch, the direct selling of clutch endwisely slips at the slotted hole in brush holder support stage casing, transmission ring on the clutch passes through connecting rod, the clutch of diverter solenoidoperated cluthes and zygote, three circular arc surface grooves are arranged in the cylindrical diverter, cylinder slide block in the rotating commutator surface groove moves axially by the connecting rod solenoidoperated cluthes, and the thin end of brush holder support is fixed a drum shape brush.

The electric toothbrush of this utility model design, by the control diverter, promptly can erect brush, push-and-pull brush, and the mixing that can erect brush and push-and-pull brush is brushed, it makes, and brushing teeth of people becomes simply, easy and convenience, concerning the child who be difficult for to grasp the attitude of brushing teeth, also brushing teeth of correct science can be accomplished especially, the childhood caries tooth can be effectively prevented.

The contrast accompanying drawing is further described this utility model below:

Fig. 1 is the overall construction drawing of embodiment;

Fig. 2, Fig. 3, Fig. 4 are left view, front view and the profiles of diverter bottom;

Fig. 5, Fig. 6, Fig. 7 are left view, front view and the profiles on diverter top.

The electric toothbrush of this utility model design, it has power supply 1, motor 2, brush holder support 6 and brush 7, but behind its fit on zygote 3, clutch 4 and the diverter 5, again with brush holder support lengthening, punching, grooving, just makes this toothbrush both can erect brush, but push-and-pull is brushed again.The cylinder of zygote 3 for hollowing out on one side, its one side closely cooperates with motor shaft, and motor 2 can drive zygote 3 and rotate cylinder center fixed one small slide block 8.Another side is processed the little tooth of many little shapes at cylindrical, is used to hang up clutch 4.Clutch 4 evenly leaves 4 45 ° openning with zygote 3 contact edges on circumference, and is processed with the little tooth of many little shapes in circumference, and clutch 4 is cooperated for slight interference with zygote 3.Clutch 4 openings have increased meshing elasticity.The annulus that clutch 4 hollows out for the center, on annulus, have one to sell 9 directly to households, the slotted hole of brush holder support 6 is passed in this direct selling 9, clutch 4 is connected as a single entity with brush holder support 6, clutch 4 only can be moved axially along brush holder support 6, clutch 4 transmits annulus 11 by collar 10 location one, and clutch 4 can each autorotation with transmission ring 11.On the circumferential edge of transmission ring 11, all open a φ 3 screws for per 120 °, three screws, 3 slide block connecting rods 12 that all are threaded, connecting rod 12 passes housing 14 and is connected with diverter 5.Diverter 5 is by two uniform thickness, isodiametric disk is fixing to be formed, wherein passing has one to protrude and remove 16 on the disk cylindrical of slide block connecting rod 12, be that radius is all opened three each circular arc surface grooves 17 of about 100 ° with 10～13mm in the middle of diverter two disks along the center of circle, the surface groove gradient should reach the active length requirement of clutch, the slide block 13 that tight fit is connected in connecting rod 12 is cylinder, it can not be rotated in surface groove, cylindrical cylindrical should be able to be slidingly matched with the inclined-plane arc groove, whole diverter 5 usefulness collars 15 can only rotate it along housing 14 its axial restraint.Brush holder support 6 of the present utility model is pluckings, a thin major axis, with zygote 3 places of being slidingly matched one cam path of opening along circumference is arranged at thick one, when the slide block of zygote during 360 ° of movable weeks of cam path, cam path should be able to make about the axial constant speed movement 3～8mm of brush holder support and the constant speed playback.At brush holder support and clutch slip cooperation place one slotted hole is arranged, the direct selling 9 of clutch 4 can axially be slided in slotted hole, and slotted hole length should double the cam path axial stroke, and the thin head of brush holder support 6 is fixed a cylinder drum shape brush 7.

Claims

1, a kind of rotary reciprocating electric toothbrush that applies to the oral health care articles for use, it is by power supply, motor, brush holder support, shell and brush are formed, of the present utility model being characterised in that: the butt end at the major axis shape brush holder support of transition is from coarse to fine opened a circular curve cam path, when cam path should be processed into slide block on the relative zygote and rotates a circle, the at the uniform velocity a certain amount of and playback of axial displacement of brush holder support, become the zygote and the motor shaft tight fit of drum shape, and the little tooth of little shape that passes through its outer contacts with clutch, the direct selling of clutch endwisely slips in the hole clipping in brush holder support stage casing, transmission ring on the clutch passes through connecting rod, diverter solenoidoperated cluthes and zygote from close, three circular arc surface grooves are arranged in the cylindrical diverter, cylinder slide block in the rotating commutator surface groove moves axially by the connecting rod solenoidoperated cluthes, and the thin end of brush holder support is fixed a drum shape brush.