JPH0477326U

JPH0477326U -

Info

Publication number: JPH0477326U
Application number: JP12086290U
Authority: JP
Priority date: 1990-11-20
Filing date: 1990-11-20
Publication date: 1992-07-06

Description

[Brief explanation of the drawing]

第１図は本考案に係る電動歯ブラシの一実施例
を示す分解斜視図、第２図はそのブラシ取付部の
構成を示す一部破断拡大斜視図、第３図はブラシ
ホルダに取り付けた回転シヤフトと握り柄部のマ
イクロモータ間の連結手段の一実施例を示す斜視
図、第４図は第１図に示した電動歯ブラシの軸方
向に沿つた縦断面図、第５図は第１図に示した電
動歯ブラシの軸方向に沿つた横断面図である。１……握り柄部、２……ブラシホルダ、１０…
…マイクロモータ、１１……電池、１２……止め
蓋、１３，１４……歯車、１５……補助回転シヤ
フト、１６……スイツチ、１７……連結部、１８
……注水口、２０……内部空間、２５……ブラシ
ピース、２５ａ……ウオームホイルギヤ、２５ｂ
……毛束、２８……ブラシピース保持プレート、
２９……孔、１２０……接点片、１２１，１２２
……ネジ溝、１５０……回転シヤフト、１５０′
……ウオームギヤ、１８０……識別マーク、１８
１……排水口、２００……軸部、２０１……ブラ
シ取付部。 Fig. 1 is an exploded perspective view showing an embodiment of the electric toothbrush according to the present invention, Fig. 2 is a partially cutaway enlarged perspective view showing the configuration of the brush mounting part, and Fig. 3 is a rotating shaft attached to the brush holder. FIG. 4 is a vertical cross-sectional view along the axial direction of the electric toothbrush shown in FIG. 1, and FIG. 5 is the same as FIG. 1. FIG. 2 is a cross-sectional view along the axial direction of the illustrated electric toothbrush. 1... Grip handle, 2... Brush holder, 10...
... Micro motor, 11 ... Battery, 12 ... Stopper lid, 13, 14 ... Gear, 15 ... Auxiliary rotating shaft, 16 ... Switch, 17 ... Connection part, 18
... Water inlet, 20 ... Internal space, 25 ... Brush piece, 25a ... Worm wheel gear, 25b
... Hair bundle, 28 ... Brush piece holding plate,
29... Hole, 120... Contact piece, 121, 122
... Thread groove, 150 ... Rotating shaft, 150'
... Worm gear, 180 ... Identification mark, 18
1... Drain port, 200... Shaft part, 201... Brush mounting part.

Claims

[Claims for Utility Model Registration] 1. Housing a micro motor 10 and a battery 11;
A grip handle part 1 is provided with a switch 16 for turning on and off the current to the micromotor, a shaft part 200 is removably connected to the tip of the grip handle, and a brush attachment part 2 is formed at the tip of the shaft part 200.
01; a hollow brush holder 2 that is inserted into the shaft portion of the brush holder, one end is connected to the rotating shaft of the micro motor, the other end extends into the brush mounting portion of the brush holder, and at least the brush holder is inserted into the shaft portion of the brush holder; A rotating shaft 150 with a worm gear 150' formed on the surface of the portion located at
It has a worm wheel gear 25a housed in the brush attachment part of the brush holder at one end, a bristle bundle 25b extending to the outside of the brush attachment part at the other end, and a worm wheel gear 25b on both sides of the central axis of the brush attachment part. Brush pieces 25, 2 arranged rotatably, respectively.
5, and those worm wheel gears 2
At least some of the rotating shafts 15
The worm wheel gear 25a that is meshed with the worm gear 150' of 0 and not meshed with the worm gear 150' is
’ and the other worm wheel gear 2 meshed with
5a; and a plurality of brush pieces 25, 25 that are engaged with each other. 2. The electric toothbrush according to claim 1, wherein a water inlet 18 is provided at an appropriate location on the shaft portion of the brush holder, and a drain port 181 is provided at the tip of the brush mounting portion. 3. The electric toothbrush according to claim 1, wherein the brush holder is provided with an identification mark 180 or a color unique to the user.