CN202191377U

CN202191377U - Electric toothbrush

Info

Publication number: CN202191377U
Application number: CN2011202875565U
Authority: CN
Inventors: 马睿
Original assignee: Individual
Current assignee: Individual
Priority date: 2011-08-09
Filing date: 2011-08-09
Publication date: 2012-04-18
Anticipated expiration: 2021-08-09

Abstract

The utility model relates to an electric toothbrush which is characterized in that a toothbrush handle, a shaft sleeve and a brush head protection shell are sequentially and fixedly connected with one another from left to right, wherein a motor in the handle rotates clockwise; the shaft end of the motor is fixedly connected with a gear 1; the left ends of a rotating shaft 1 and a rotating shaft 2 in a shaft sleeve are rotatably connected with the right end of the handle; the gear 1 is engaged with a small gear of a duplicate gear fixedly connected with the rotating shaft 1; a large gear of the duplicate gear is engaged with a gear 2 fixedly connected with the rotating shaft 2; the right ends of the rotating shaft 1 and the rotating shaft 2 are rotatably connected with the left end of the brush head protection shell; the right tip of the rotating shaft 1 and that of the rotating shaft 2 are respectively and fixedly connected with two left support bases; and two brush heads in the brush head protection shell are connected with each other in a dismountable way. The toothbrush is ingenious and reasonable in structure, and is economical and sanitary; the brush heads are dismountable; and brush bristles on the brush heads brush from the closed ends close to tooth slits of gingivae to the open ends of the tooth slits, so that the teeth are brushed more cleanly, the gingivae are protected, the oral cavity is exposed to health care, and the toothbrush is quick and convenient and can particularly brush off food in the tooth slits.

Description

Electric toothbrush

Technical field

This utility model relates to uses electric motor driven toothbrush.

Background technology

For totally brushing teeth quickly, many electric toothbrushes appear on the market, but prior electric toothbrush normally vibration mode and plane disc rotating manner.The physiological structure of people's tooth is a more complicated, and teeth space is claimed in interdental gap again, and teeth space is the easiest caulked food, and the food that embeds teeth space also is difficult for scrubbing off, and the medium-term and long-term caulked food of teeth space also is prone to cause some odontopathy; Teeth space end near the gingiva position seals, and the other end of teeth space does not seal, and can be described as the opening of teeth space, and caulked is difficult for being eliminated at the food of teeth space blind end, and it is easier to remove these foods towards the opening of teeth space.As everyone knows; Meeting the health care teeth brushing way that medical science advocates is by the opening brush of teeth roots along teeth space; Therefore; Meet the health care teeth brushing way that medical science is advocated, the food of caulked at teeth space is scrubbed clean, need to scrub to the opening of teeth space from teeth space blind end all the time near the gingiva position.

Summary of the invention

For overcoming the defective and the deficiency of existing electric toothbrush; This utility model provides a kind of and scrubs to the opening of teeth space from the teeth space blind end near the gingiva position all the time; Remove the electric toothbrush of caulked at the food of teeth space especially easily, this utility model meets the health care teeth brushing way that medical science is advocated.

The electric toothbrush that this utility model provided comprises handle and brush, is fixedly connected with bristle on the brush; Handle is provided with switch; Battery and motor in the handle are electrically connected, and the right-hand member of described handle is fixedly connected with the left end of axle sleeve, and the right-hand member of axle sleeve is fixedly connected with the left end of brush protective case; Motor shaft end is fixedly connected the gear I; Be provided with the rotating shaft I and the rotating shaft II that are parallel to each other in the axle sleeve, the right-hand member of handle is provided with two holes, the left part of rotating shaft I and rotating shaft II respectively with the handle right-hand member on two holes be rotatably connected; The pinion of the duplicate gear that is fixedly connected on gear I and the rotating shaft I; The gear II engagement that is fixedly connected on the gear wheel of duplicate gear and the rotating shaft II, brush protective case left part is provided with two holes, the right part of rotating shaft I and rotating shaft II respectively with brush protective case left end on the hole be rotatably connected; The right-hand member head of rotating shaft I and rotating shaft II all is fixedly connected left supporting seat; Be provided with two brushes in the brush protective case, two brushes and brush protective case removably connect, and described motor is that clockwise direction rotates.

Described brush is on brush head axis, to be fixedly connected with bristle, and the left end of brush head axis is provided with at least 1 key, and the right-hand member of brush head axis is cylindrical; Described two brushes and brush protective case removably connect and be: the right-hand member of brush protective case is set with two right supporting seats, and right supporting seat is provided with the hole, and hole wall is provided with opening; Left side supporting seat is provided with the hole; The hole is provided with at least 1 keyway, the keyway matched in clearance of the key of brush head axis and left supporting seat, and the right-hand member of brush head axis and right supporting seat are rotatably connected; The wide H of described opening is less than the diameter of brush head axis, and the bristle on two brush head axis is interlaced.

Described left supporting seat and right supporting seat are that elastomeric material is processed.

The beneficial effect of this utility model is:

1, because the motor of this utility model is the clockwise direction rotation; The big pinion that drives duplicate gear is all towards counter rotation, thereby, rotate in opposite directions with gear wheel meshed gears and this gear wheel of duplicate gear; Thereby driving two rotating shafts (rotating shaft I and rotating shaft II) rotates in opposite directions; Two brushes that make two rotating shafts driven are from scrub the rotation direction of two brushes such as Fig. 4 arrow direction, i.e. rotation in opposite directions towards the opening of teeth space near the teeth space blind end of gingiva all the time; The rotating manner in opposite directions of the structure of the brush of the electric toothbrush of this utility model and brush; Which position can both keep the teeth brushing way that keeps healthy in no matter can make in the process of brushing teeth, it is cleaner to make that toothbrush gets, and the food that can will accumulate in teeth space especially scrubs clean; Do not injure gingiva again, good and fast cleaning teeth, protection gingiva and the health care oral cavity of reaching promptly.

2, two brushes of this utility model are the keyway matched in clearance transferring power through the key and the left supporting seat of brush head axis; The transmitting movement of keyway is reliable; Be easy for installation and removal again, the right supporting seat that the right-hand member of brush head axis is rotatably connected is provided with opening, also is easy for installation and removal; The width H of opening makes the termination of the brush head axis in right supporting seat be difficult for deviating from less than the diameter of brush head axis.

3, the brush life-time service can accumulate booty, and the growth antibacterial should be changed at certain hour, is convenient for changing by the connected mode of the brush head axis of this utility model, and making only needs to change brush head axis, just can reach hygiene, economy again.

4, the bristle on this utility model two brush head axis is interlaced, makes the bristle of rotation and the contact surface of tooth not have area of absence, is convenient to toothbrush and washes totally.

5, the left supporting seat of the support brush head axis of this utility model brush and right supporting seat adopt elastomeric material to process, and can make the installation and removal of brush head axis more convenient.

6, this utility model structure is ingenious, and is rationally simple.

Description of drawings

Fig. 1 is the structural representation view of this utility model;

Fig. 2 is the partial enlarged drawing at D position;

Fig. 3 is the A-A cutaway view;

Fig. 4 is the B-B cutaway view;

Fig. 5 is the C-C cutaway view;

Each labelling is represented successively among the figure: 1-hands handle; The 2-switch; The 3-motor; The 4-motor shaft; The 5-duplicate gear; 6-rotating shaft I; The 7-axle sleeve; 8-left side supporting seat; The 9-brush; 10-brush protective case; The right supporting seat of 11-; The 12-bristle; The 13-brush head axis; 14-rotating shaft II; 15-gear II; 16-gear I; The 17-battery; The 18-keyway; 19 keys; The 20-hole; The 21-opening, H-opening wide.

The specific embodiment

In conjunction with Fig. 1～Fig. 5; The described electric toothbrush of this utility model is: handle 1 is provided with switch 2; Battery 3 in the handle 1 is electrically connected with motor 4, and the right-hand member of handle 1 is fixedly connected with the left end of axle sleeve 7, and the right-hand member of axle sleeve 7 is fixedly connected with the left end of brush protective case 10; Described motor shaft 4 ends are fixedly connected gear I 16; Be provided with the rotating shaft I that is parallel to each other 6 and rotating shaft II 14 in the axle sleeve 7, the right-hand member of handle 1 is provided with two holes, the left part of rotating shaft I 6 and rotating shaft II 14 respectively with handle 1 right-hand member on two holes be rotatably connected; The pinion of the duplicate gear 5 that is fixedly connected on gear I 16 and the rotating shaft I 6; Gear II 15 engagements that are fixedly connected on the gear wheel of duplicate gear 5 and the rotating shaft II 14, brush protective case 10 left parts are provided with two holes, the right part of rotating shaft I 6 and rotating shaft II 14 respectively with brush protective case 10 left ends on the hole be rotatably connected; The right-hand member head of rotating shaft I 6 and rotating shaft II 14 all is fixedly connected left supporting seat 8; Be provided with two brushes, 9, two brushes 9 in the brush protective case 10 and removably connect with brush protective case 10, described motor 3 is that clockwise direction rotates; Described brush 9 is on brush head axis 13, to be fixedly connected with bristle 12, and the left end of brush head axis 13 is provided with 1～3 key 19, and the right-hand member of brush head axis 13 is cylindrical; Described two brushes 9 removably connect with brush protective case 10 and are: the right-hand member of brush protective case 10 is set with two right supporting seats 11; Right supporting seat 11 is provided with hole 20, and hole wall is provided with opening 21, and left supporting seat 8 is provided with the hole; The hole is provided with 1～3 keyway 18; The key 19 of brush head axis 13 and keyway 18 matched in clearance of left supporting seat 8, the right-hand member of brush head axis 13 and right supporting seat 11 are rotatably connected, and the width H of described opening 21 is less than the diameter of brush head axis 13; Bristle 12 on two brush head axis 13 is interlaced, and left supporting seat 8 is that elastomeric material is processed with right supporting seat 11.

Claims

1. electric toothbrush; Comprise handle and brush; Be fixedly connected with bristle on the brush, handle is provided with switch, and battery and motor in the handle are electrically connected; It is characterized in that: the right-hand member of described handle (1) is fixedly connected with the left end of axle sleeve (7), and the right-hand member of axle sleeve (7) is fixedly connected with the left end of brush protective case (10); Motor shaft (4) end is fixedly connected gear I (16); Be provided with the rotating shaft I (6) and the rotating shaft II (14) that are parallel to each other in the axle sleeve (7); The right-hand member of handle (1) is provided with two holes; The left part of rotating shaft I (6) and rotating shaft II (14) respectively with handle (1) right-hand member on two holes be rotatably connected gear II (15) engagement that is fixedly connected on the pinion of the duplicate gear (5) that is fixedly connected on gear I (16) and the rotating shaft I (6), the gear wheel of duplicate gear (5) and rotating shaft II (14); Brush protective case (10) left part is provided with two holes; The right part of rotating shaft I (6) and rotating shaft II (14) respectively with brush protective case (10) left end on the hole be rotatably connected, the right-hand member head of rotating shaft I (6) and rotating shaft II (14) all is fixedly connected left supporting seat (8), is provided with two brushes (9) in the brush protective case (10); Two brushes (9) removably connect with brush protective case (10), and described motor (3) is that clockwise direction rotates.

2. electric toothbrush according to claim 1; It is characterized in that: described brush (9) is on brush head axis (13), to be fixedly connected with bristle (12); The left end of brush head axis (13) is provided with at least 1 key (19), and the right-hand member of brush head axis (13) is cylindrical, and described two brushes (9) removably connect with brush protective case (10) and are: the right-hand member of brush protective case (10) is set with two right supporting seats (11); Right supporting seat (11) is provided with hole (20); Hole wall is provided with opening (21), and left supporting seat (8) is provided with the hole, and the hole is provided with at least 1 keyway (18); Keyway (18) matched in clearance of the key (19) of brush head axis (13) and left supporting seat (8); The right-hand member of brush head axis (13) and right supporting seat (11) are rotatably connected, and the wide H of described opening (21) is less than the diameter of brush head axis (13), and the bristle (12) on two brush head axis (13) is interlaced.

3. electric toothbrush according to claim 2 is characterized in that: left supporting seat (8) and right supporting seat (11) are that elastomeric material is processed.