CN2857880Y

CN2857880Y - Electric four-roller tooth-brush

Info

Publication number: CN2857880Y
Application number: CN 200520128313
Authority: CN
Inventors: 胡冬涛
Original assignee: Individual
Current assignee: Individual
Priority date: 2005-11-28
Filing date: 2005-11-28
Publication date: 2007-01-17
Anticipated expiration: 2015-11-28

Abstract

A four-roller electric toothbrush includes a brush head and a handle. A motor and a power source are disposed in a handle cavity. The brush head is composed of a centre core axis and two block terminals. The rear block terminal is connected through a butt joint with the front terminal of the handle, and four gears of same diameter meshed with each other in turn are disposed in a same radial surface of the middle part of the rear block terminal. One of the gear axis is connected with a motor axis, the peripheral edge of the four gears with the same diameter are meshed respectively with the roller brush gears arranged at the rear terminals of the four roller brush axes. Each roller axis is disposed on the two end walls of its protection casing. The rotable inner terminals of the two end walls are connected through a butt joint on the rotary shaft disposed on the corresponding end walls of the two block terminals, and the outer terminal of the two end walls are connected with an arcuater casing. The bristle of the roller brush contacts teeth from the opening of the arcuate casing. A press spring is provided respectively between two left protection casings and between two right protection casings. Four-roller-shaped brush can brush upper and lower teeth simultaneously with high efficiency and brushes teeth along teeth spaces, so that the teeth brush effect is excellent and the economic benefit is good.

Description

Novel four-roller type electric toothbrush

One. technical field: this utility model relates to a kind of electric toothbrush, particularly relates to a kind of novel four-roller type electric toothbrush.

Two. background technology: traditional toothbrush is made up of brush and brush holder two parts of band bristle, rely on the motion of hands to finish the process of brushing teeth, this method efficient is low, and for some the old,weak,sick and disabled person, finish the relatively difficulty of action of brushing teeth, therefore need other people to nurse, help it to brush teeth, very inconvenient, at this situation, people develop swing type electric toothbrush and rotary electric toothbrush, and the swing type electric toothbrush reaches the purpose of brushing teeth by the swing of bristle, still, because its amplitude of fluctuation is little, cause effective brush finish too small, efficient is not high, and its swing makes the people not only uncomfortable but also be difficult to hold.It is rotary rotary with double end that rotary electric toothbrush is divided into single head, the single head rotary electric toothbrush produces the torsion that singly revolves, easily hinder gingiva, the double end rotary electric toothbrush adopts two roller brushes, along interdental brush, effect is better, (Granted publication number is CN2649037Y as: Chinese patent, the patent No. is 03269876.3) a kind of " pair roller type electric toothbrush " disclosed, the brush holder support front end is connected with the brush housing, the brush holder support rear end connects handle, motor is installed in the handle, and motor driving shaft passes the brush holder support handle and joins by drive mechanism and roller brush axle, and two roller brushes arranged side by side are installed in the brush housing, drive mechanism is for keeping the gear drive of two rollers brush phase internal rotation, it can be cleaned with water each face of tooth, reduce in the process of brushing teeth physical stimulation and injury to gingiva, but its power transmission shaft is longer, be easy to generate distortion, thereby influence its service life.

Three. the utility model content:

The purpose of this utility model: overcome the purpose of prior art, the novel four-roller type electric toothbrush that provide a kind of compact conformation, efficient height, can clean simultaneously to last lower teeth.

The technical solution of the utility model: a kind of novel four-roller type electric toothbrush, contain brush and brush holder, the two movable connection, and motor and power supply are installed in the brush holder chamber, motor control switch is installed on the brush holder outer surface, the roller brush is installed on the brush, roller brush axle connects with motor shaft, brush is made up of middle mandrel and two ends plug, the rear end plug docks with the front end of brush holder, and its middle part is uniform in same sagittal plane to be equipped with four mitre gears, four mitre gears are meshing with each other successively, one of them gear shaft and motor shaft connect, the outer rim of four mitre gears is brushed gears engaged with the roller that four roller brush shaft rear ends are installed respectively, and the round brush gear runs through the outer surface of rear end plug, each roller is brushed on two end walls of the guard shield that is installed in himself, the inner end of described two end walls is sleeved in the rotating shaft that plug corresponding end wall in two ends is provided with, can rotate, its outer end is connected with an arc shell, the bristle of roller brush contacts with tooth from the opening part of arc shell, is respectively equipped with stage clip between two left guard shields and between two right guard shields.

In the brush holder inner chamber, be provided with a fixing head, a change-speed gearing is installed on this fixing head, motor gear and the engagement of this change-speed gearing, and in described change-speed gearing and four mitre gears one connects.

Described roller brush gear is provided with a shell, and this shell and guard shield are integral structure, or are the split stationary structure, and the outer rim shape of the inner end of described shell and brush rear end plug is complementary, and is convenient to guard shield and rotates.

The beneficial effects of the utility model:

1. this utility model efficient height adopts four cylinder shape hairbrush, wherein goes up the relative inward turning of hairbrush for two, brushes tooth, two relative inward turnings of following hairbrush, and the brush lower tooth like this, improves the efficient of electric toothbrush greatly.

2. this utility model realization science is brushed teeth, and its hairbrush is along interdental brush, and minimizing to the physical stimulation and the injury of gingiva, can be cleaned the tooth seam totally with water in the process of brushing teeth simultaneously, and therefore, toothbrushing effect is good.

3. this utility model compact conformation, volume are little, deposit easily, uniform in the same sagittal plane of rear end plug four mitre gears are installed, four mitre gears are meshing with each other successively, one of them gear shaft and motor shaft connect, can realize two groups of hairbrush like this to changeing, simple in structure, rationally utilize the space.

4. this utility model is easy to use, and guard shield can rotating certain angle, can satisfy the different needs of brush dental caries and cutting, and be respectively equipped with stage clip between two left guard shields and between two right guard shields, make two groups of roller brushes close like this, have certain brush power to tooth, easy outwash tooth, do not need artificial exerting oneself, easily, the intensity of stage clip is adjustable in addition, needs according to self are selected different springs, be convenient to better brush teeth, brush is connected with brush holder is movable, is convenient to more changing brush head.

5. this utility model scope of application is wide, is applicable to various crowd, is easy to promotion and implementation, has favorable economic benefit.

Four. description of drawings:

Fig. 1 is the structural representation of novel four-roller type electric toothbrush

Fig. 2 is the left view of novel four-roller type electric toothbrush shown in Figure 1

Fig. 3 is an A-A profile shown in Figure 1

Five. the specific embodiment:

Embodiment one: referring to Fig. 1, Fig. 2 and Fig. 3, among the figure, the brush 2 of novel four-roller type electric toothbrush and 10 movable connections of brush holder, motor 9 and power supply are installed in the inner chamber of brush holder 10, its rear end is provided with end cap 11, motor 9 gauge taps are installed on brush holder 10 outer surfaces (not drawing among the figure), brush 2 is made up of middle mandrel and two ends plug, the rear end plug docks with the front end of brush holder 10, and its middle part is uniform in same sagittal plane to be equipped with four mitre gears 6, four mitre gears 6 are meshing with each other successively, one of them gear shaft is connected with change-speed gearing 7, change-speed gearing 7 is installed on the fixing head 8 that is provided with in brush holder 10 inner chambers, and connect with motor gear, realize speed change, the outer rim of four mitre gears 6 meshes with the roller brush gear 5 that install four roller brush axle 3 rear ends respectively, and round brush gear 5 runs through the outer surface of rear end plug, the rear end plug is a fabricated structure, connect by bolt, be convenient to install mitre gears 6, each roller brush axle 3 is installed on two end walls of guard shield 4 of himself, the inner end of two end walls is sleeved in the rotating shaft 1 on the corresponding end wall of two ends plug, can rotate, its outer end is connected with an arc shell, the bristle of roller brush contacts with tooth from the opening part of arc shell, is respectively equipped with stage clip (not drawing among the figure) between two left guard shields and between two right guard shields.Roller brush gear 5 is provided with a shell, and this shell and guard shield are integral structure, and the outer rim shape of the inner end of shell and brush rear end plug is complementary, and is convenient to the guard shield rotation.Rotating shaft 1 is concentric with mitre gears 6, be convenient to rotate, in addition, the rear end plug at mitre gears 6 places be shaped as cambered surface, be convenient to round brush gear 5 and rotate.

During use, starting switch, motor 9 rotates, by change-speed gearing 7 mitre gears 6 is rotated, because four mitre gears 6 are meshing with each other successively, so the switched in opposite of adjacent gear, thereby drive four roller brush gear 5 backward rotation, can realize that like this two groups of hairbrush are to changeing, wherein go up the relative inward turning of hairbrush for two, brush tooth, two relative inward turnings of following hairbrush, the brush lower tooth improves the efficient of electric toothbrush greatly.

Embodiment two: present embodiment and embodiment one are basic identical, and something in common does not repeat, and difference is: a gear shaft in four mitre gears 6 directly with the motor shaft connection, change-speed gearing is not installed; In addition, shell and guard shield are the split stationary structure, and wherein shell is fixed on the guard shield.

Claims

1. novel four-roller type electric toothbrush, contain brush and brush holder, the two movable connection, and motor and power supply are installed in the brush holder chamber, motor control switch is installed on the brush holder outer surface, the roller brush is installed on the brush, roller brush axle connects with motor shaft, it is characterized in that: brush is made up of middle mandrel and two ends plug, the rear end plug docks with the front end of brush holder, and its middle part is uniform in same sagittal plane to be equipped with four mitre gears, four mitre gears are meshing with each other successively, one of them gear shaft and motor shaft connect, the outer rim of four mitre gears is brushed gears engaged with the roller that four roller brush shaft rear ends are installed respectively, and the round brush gear runs through the outer surface of rear end plug, each roller is brushed on two end walls of the guard shield that is installed in himself, the inner end of described two end walls is sleeved in the rotating shaft that plug corresponding end wall in two ends is provided with, can rotate, its outer end is connected with an arc shell, the bristle of roller brush contacts with tooth from the opening part of arc shell, is respectively equipped with stage clip between two left guard shields and between two right guard shields.

2. novel four-roller type electric toothbrush according to claim 1, it is characterized in that: in the brush holder inner chamber, be provided with a fixing head, a change-speed gearing is installed on this fixing head, motor gear and the engagement of this change-speed gearing, and in described change-speed gearing and four mitre gears one connects.

3. novel four-roller type electric toothbrush according to claim 1 and 2, it is characterized in that: roller brush gear is provided with a shell, and this shell and guard shield are integral structure, or is the split stationary structure, the outer rim shape of the inner end of described shell and brush rear end plug is complementary, and is convenient to guard shield and rotates.