Oral cavity washing device

1. An oral cavity washing device comprising:

a body unit including a pump configured to discharge washing liquid;

a tube connected to the body unit and configured to allow the discharged washing liquid to flow through the tube;

a washing unit connected to the tube and configured to discharge the washing liquid;

a joint portion configured to detachably attach the washing unit to the body unit;

a disposing portion provided at the body unit and configured to allow the tube to be disposed at the disposing portion in a state where the washing unit is attached to the body unit; and

an elastic member provided at the disposing portion, wherein:

the disposing portion has a recess provided at the body unit,

the elastic member is provided on an inner surface of the recess, the inner surface having a side surface and a bottom surface,

the elastic member covers at least the side surface, the elastic member including a first surface in contact with the side surface of the inner surface of the recess and a second surface opposite the first surface, and

the second surface of the elastic member forms a space within the recess and the space is configured to accommodate the tube in a curled state.

2. The oral cavity washing device according to claim 1 ,

wherein the elastic member further includes a portion provided at an edge of an opening of the recess.

3. The oral cavity washing device according to claim 1 , further comprising

a connecting portion connecting the body unit and the tube, wherein:

the connecting portion is provided at the disposing portion, and

the elastic member further includes a portion provided to seal the connecting portion.

4. The oral cavity washing device according to claim 1 , wherein the first surface is in contact with at least a part of the bottom surface of the inner surface of the recess.