主权项 |
1. A water-proof button assembly comprising:
a seat having an opening and a inward protrusion extending inward from an inside of the opening, the inward protrusion having a protruding depth; a sealing member installed in the opening and having an original depth, the sealing member having a through hole which is located corresponding to the opening, the through hole being defined by an outer portion, the outer portion contacting the inward protrusion of the seat, an outer diameter of the outer portion being S1; a button having a first connection portion and a first contact face, the first connection portion is located corresponding to the through hole, the first contact face contacted to the top of the sealing member, an outer diameter of the button being S2 which is smaller than the outer diameter S1 of the outer portion, and a contact member located corresponding to the button, the contact member having a second connection portion and a second contact face, the second connection portion is connected to the first connection portion, the second contact face contacting to the bottom of the inward protrusion, a distance defined between first contact face of the button and the second contact face of the contact member, a sum of the protruding and original depths being larger than the distance, the sealing member being snugly clamped between the button and the contact member, the sealing member contacting the inward protrusion in the opening. |