JPH0415426U - - Google Patents

Description

[Brief explanation of the drawing]

Fig. 1 is a sectional view showing the internal mechanism of the entire electric toothbrush which is an embodiment of this invention, Fig. 2 is a sectional view of the same as seen from the right side, and Fig. 3 is a sectional view of the electric toothbrush shown in Fig. 1. 4 is an exploded perspective view of the motion conversion mechanism of this electric toothbrush, and FIGS. 5A to 5D are operational explanatory diagrams showing stepwise parallel movement of the switching piece when the face gear is rotated clockwise. ,
Figures 6A to 6D are operation explanatory diagrams showing the parallel movement of the switching piece in stages when the face gear is rotated counterclockwise, Figure 7 is a perspective view of the inner case with the power spring attached, and Figure 8 is Fig. 9 is an exploded perspective view of the insulator and motor terminal, Fig. 9 is a perspective view of the slide plate and switch cam being assembled to the main body case, and Fig. 10 is a partial sectional view of this electric toothbrush at the attachment point of the slide plate and switch cam. FIG. 11 is an exploded perspective view of the switch lever with the switch cam and click spring partially omitted. 10...Dish body, 11...Toothbrush, 17...
Reversible motor, 48, 49, 50... Contact spring (motor contact spring), 53, 54... Power spring, 63
...Switch cam (rotating body), 66...Slide plate, 68...Switch chill bar.

Claims (1)

[Claims for Utility Model Registration] A sliding plate that can be positioned in three stages by sliding to an intermediate position, a first position, and a second position in the opposite direction to the first position, and the sliding plate based on engagement. A rotating body that rotates when the plate is in the first position and reversely rotates when the plate is in the second position, and the rotating body swings in one direction when rotated based on the engagement. , a switch lever that swings in the other direction when the switch is rotated in the reverse direction; two power springs that are deflected in the other direction by the power supply springs; when the power springs are deflected in the one direction, each of them is brought into contact conduction; and when the power springs are deflected in the other direction, each of the power springs is a motor contact spring that conducts contact in reverse; a reversible motor for driving a toothbrush that is driven when the power spring and the motor contact spring are electrically connected; and a reversible motor that is driven in reverse when the power spring and the motor contact spring are electrically conductive; An electric toothbrush equipped with