JPH0436833U - - Google Patents

Description

[Brief explanation of the drawing]

Fig. 1 is an exploded perspective view of a switch lever in an electric toothbrush device according to an embodiment of this invention, with the switch cam, click spring and some parts omitted; Fig. 2 is a perspective view of the slide plate and the switch cam assembled to the main body case; Fig. 3 is a partial cross-sectional view of this electric toothbrush at the attachment point of the slide plate and switch cam, and Fig. 4 is a cross-sectional view showing the entire internal mechanism of this electric toothbrush with a rolling and bathing toothbrush connected to the main body of the electric toothbrush. , FIG. 5 is a sectional view of the same as seen from the left side, FIG. 6 is a partially enlarged view of the electric toothbrush shown in FIG. 4, FIG. 7 is an exploded perspective view of the motion conversion mechanism of this electric toothbrush, and FIG. Figures A to D are operation explanatory diagrams showing stepwise parallel movement of the switching piece when the face gear is rotated clockwise, and Figures 9 A to D are parallel movement of the switching piece when the face gear is rotated counterclockwise. Fig. 10 is a perspective view of the inner case with the power spring attached, Fig. 11 is an exploded perspective view of the insulator and motor terminal, and Fig. 12 shows the rotary toothbrush unit attached to the main body. A sectional view showing this connected electric toothbrush device, Fig. 13 is a sectional view of it viewed from the left side, Fig. 1
Figure 4 is a rear view showing the connection structure of the rotary toothbrush unit to the main body, Figure 15 A and B are explanatory diagrams of the state when the positioning angle of the rotary toothbrush unit head is changed, and Figure 16 is the bearing. A perspective view of the assembly of the head case to the pipe, Figure 17 is a sectional view showing the internal mechanism inside the head case of a rotary toothbrush unit, and Figure 18 is a state in which the joint member, shaft, and flexible shaft are integrally attached. FIG. 19 is a sectional view of the rotary toothbrush unit shown in FIG. 17, viewed from the left side. FIG. 20 is a front view showing a part of the main body of a conventional electric toothbrush in cross section, and FIG. 21 is an exploded perspective view of a switch switching mechanism in the electric toothbrush. 63... Switch cam (rotating body), 63a...
Circumferential surface of switch cam, 63b... Engagement recess, 64
...first eccentric protrusion, 65...second eccentric protrusion,
66...Slide plate (external operation member), 68...
Switch lever, 75...Click spring, 75a
...Claw section.

Claims (1)

[Claim for Utility Model Registration] By operating an external operating member, a cylindrical rotating body is rotated based on its circumferential surface, and based on the rotation, a switch lever is rotated around a fixed axis to create an electric circuit connection pattern. In an electric toothbrush device that brushes teeth by rotating or reciprocating the toothbrush by changing the direction of rotation, the rotating body is provided with a first eccentric protrusion that engages with the external operating member on one axial side of the rotating body, and the other axial side of the rotating body is provided with a first eccentric protrusion that engages with the external operating member. a second eccentric protrusion that engages with the switch lever, a plurality of engagement recesses on the circumferential surface, and a pair of click spring claws in the engagement recesses that provide a click feeling when the external operating member moves. An electric toothbrush made by engaging parts.