US 9,813,796 B1
Waterproof bluetooth dual-earphone power bank
Xiuhong Deng, Shenzhen (CN)
Filed by SHENZHEN XIWXI TECHNOLOGY CO., LIMITED, Shenzhen (CN)
Filed on May 4, 2017, as Appl. No. 15/586,272.
Int. Cl. H04R 1/10 (2006.01)
CPC H04R 1/1025 (2013.01) [H04R 1/1016 (2013.01); H04R 1/1058 (2013.01); H04R 1/1091 (2013.01); H04R 2420/07 (2013.01)] 8 Claims
OG exemplary drawing
 
1. A waterproof Bluetooth dual-earphone power bank, comprising a mobile power supply body (100), characterized by also comprising a Bluetooth dual-earphone component (200) connected with the mobile power supply body (100);
wherein the mobile power supply body (100) consists of an inner housing (11), an outer housing (19), charging batteries (12), a foam (18), a PCB (13), a pin (14), a base (15), a first sealing ring (16) and a rubber pad (17); the inner housing (11) is a square body, provided with a battery accommodating cavity in the middle and provided with a fastening portion and a waterproof ring slot at the end thereof which is connected to the Bluetooth dual-earphone component (200); the inner housing (11) is disposed in the outer housing (19); the charging batteries (12) are installed in the inner housing (11); the base (15) is L-shaped, and a lateral shield at the bottom of the L-shape is formed with a second U-shaped groove; a first U-shaped groove and the second U-shaped groove are connected to form a labyrinth slot; the PCB (13) is disposed in two shields of the base (15); the rubber pad (17) is disposed on a front groove face of the base (15); the rubber pad (17) is fixed by the pin (14); the rubber pad (17) rotates by taking the pin (14) as the axis; the first sealing ring (16) is sleeved in along the edge of a groove at the outer wall of a front opening portion of the base; the base is inserted into the inner housing such that the base and the inner housing are sealed; the rubber pad (17) rotates and screws into the front groove of the base such that the front groove face of the base is sealed;
wherein the Bluetooth dual-earphone component (200) consists of two earphones (4), an earphone bracket (5), two magnets (6), two iron plates (7), two silica gel brackets (8) and two elastic pins (9); the earphone bracket (5) is provided with two open-ended troughs, and the end face of each one of the open-ended troughs is provided with a dual-round-hole plate; each one of the open-ended troughs is internally provided with three clamping slots which respectively clamp the two round magnets (6), the two round iron plates (7) and the two round silica gel brackets (8) from the inside to the outside; the two earphones (4) are inserted into the earphone bracket (5) through the dual-round-hole plates such that the two earphones are inserted into the two magnets (6), the two iron plates (7) and the two silica gel brackets (8); the two elastic pins (9) are inserted into round holed grooves of the two silica gel brackets (8) and are connected with tail charging jacks of the two earphones (4);
wherein the waterproof ring slot of the inner housing (11) is sleeved with a second sealing ring (10); the Bluetooth dual-earphone component (200) is placed in a upper cover (3) and fastens the upper cover (3) with the inner housing (11); the upper cover (3) and the inner housing (11) are closed after being fastened; the upper cover (3) is jacketed with an outer cover (2); and a lens (1) is disposed at the outer end face of the outer cover (2).