Toothbrush vibrator

1. A toothbrush vibrator comprising:

a vibration applicator having a case that allows a toothbrush to pass therethrough and holds the toothbrush and applying vibration to the toothbrush, the case being hollow pillar-shaped body; and

a grip detachably connected to the vibration applicator and gripped by a user,

wherein the grip has a case that is a hollow pillar-shaped body and is capable of housing a portion of a handle of the toothbrush that protrudes from the vibration applicator toward the grip,

the vibration applicator includes a first magnet provided at a grip-side end portion of the vibration applicator,

the grip includes a second magnet provided at a vibration applicator-side end portion of the grip, and

the vibration applicator and the grip are detachably connected by force of the first magnet and the second magnet attracting each other.

2. The toothbrush vibrator according to claim 1 , wherein

in a state in which the vibration applicator and the grip are connected to each other, the vibration applicator and the grip are in point contact.

3. The toothbrush vibrator according to claim 1 , wherein

the vibration applicator includes a vibration unit generating vibration to be applied to the toothbrush,

the grip includes a power supply unit supplying the vibration unit with electric power, and

the power supply unit is electrically connected to the vibration unit in a state in which the grip is connected to the vibration applicator.

4. The toothbrush vibrator according to claim 3 , wherein

a first terminal portion electrically connected to the vibration unit is provided at a grip-side end portion of the vibration applicator,

a second terminal portion electrically connected to the power supply unit is provided at a vibration applicator-side end portion of the grip, and

the first terminal portion and the second terminal portion are electrically in contact with each other in a state in which the vibration applicator and the grip are connected to each other.

5. The toothbrush vibrator according to claim 3 , wherein

one of the vibration applicator and the grip includes a vibration detector, and

the power supply unit controls a vibration state of the vibration unit in accordance with a detection result from the vibration detector.

6. The toothbrush vibrator according to claim 3 , wherein

the grip includes an orientation detector, and

the power supply unit controls a vibration state of the vibration unit in accordance with a detection result from the orientation detector.

7. The toothbrush vibrator according to claim 3 , wherein the vibration unit is an eccentric weighted motor.