US 12,444,553 B2
Electronic device and button module thereof
Lun-Hung Kuo, New Taipei (TW)
Assigned to CHICONY ELECTRONICS CO., LTD., New Taipei (TW)
Filed by CHICONY ELECTRONICS CO., LTD., New Taipei (TW)
Filed on Jul. 25, 2023, as Appl. No. 18/358,514.
Claims priority of application No. 112101071 (TW), filed on Jan. 10, 2023.
Prior Publication US 2024/0234047 A1, Jul. 11, 2024
Int. Cl. H01H 13/06 (2006.01); H01H 13/14 (2006.01); H05K 5/00 (2025.01)
CPC H01H 13/06 (2013.01) [H01H 13/14 (2013.01); H05K 5/0017 (2013.01)] 20 Claims
OG exemplary drawing
 
1. A button module, applied to an electronic device comprising a casing having a mounting opening and a mounting groove, the mounting groove surrounding the mounting opening, the button module comprising:
a circuit board disposed in the casing and comprising a switch element;
a pressing member disposed on the mounting opening of the casing;
a waterproof member comprising a fixing flange and a first surface and a second surface opposite to each other, wherein the first surface faces the pressing member, the second surface faces the circuit board, and the fixing flange connects to the casing and is accommodated in the mounting groove;
a reinforced member disposed on the second surface of the waterproof member, wherein an edge of the pressing member corresponds to the reinforced member and the reinforced member comprises an opening corresponding to the switch element; and
wherein the pressing member further comprises a limiting portion disposed on the edge of the pressing member, the limiting portion corresponds to the reinforced member, and the limiting portion abuts an inner edge of the mounting opening.