US Pat. No. 10,673,172

USB CONNECTOR

SHENZHEN EVERWIN PRECISIO...

1. A USB connector to be welded on a circuit board, the USB connector comprising:a docking assembly;
a first metal member sleeved on the docking assembly;
a plastic housing provided with a receiving cavity; and
a second metal member integrated with and formed inside the plastic housing,
wherein
the docking assembly and the first metal member are inserted into the plastic housing; the docking assembly comprises an insulation body and a conductive terminal integrated with and formed inside the insulation body; the insulation body comprises a base and a docking tongue extending forward from the base; the first metal member comprises an annular body sleeved on the base and welding feet extending rearward from two opposite sides of the annular body; the second metal member comprises a plate body formed on a side wall of the plastic housing, second welding portions formed by two sides of the plate body being bent and then extending towards the circuit board and a holding piece extending rearward from the plate body and fastened at a tail of the base of the insulation body; and the welding feet of the first metal member and the second welding portions of the second metal member are respectively configured to be welded to corresponding positions of the circuit board.

US Pat. No. 10,993,340

WATERPROOF CARD HOLDER AND METAL CASING

SHENZHEN EVERWIN PRECISIO...

1. A waterproof card holder, comprising:a card holder frame;
a cover plate located at a top of the card holder frame;
a sleeve integrated with and extending from an inner side of the cover plate, including a through-hole penetrating through the sleeve and the cover plate, wherein the sleeve comprises a sleeve body, a first opening and a second opening, the first opening and the second opening being disposed at two ends of the sleeve body, respectively; and
a waterproof mechanism accommodated in the sleeve, wherein the waterproof mechanism comprises a first end portion limited to be inside the sleeve, a second end portion having an outer diameter smaller than that of the first end portion, and a waterproof ring sleeved on a periphery of the first end portion, wherein the waterproof ring and the sleeve form a sliding sealing structure therebetween, the first end portion is limited to be only movable within a stroke between the first opening and the second opening, and the second end portion is capable of passing through the first opening to be in contact with a card retracting mechanism;
wherein the first opening has an inner diameter smaller than an outer diameter of the first end portion; a first blocking slope is formed at a junction between the first end portion and the second end portion; and a second blocking slope, corresponding to and cooperating with the first blocking slope, is formed on a side of the first opening facing the second opening; and
wherein the sleeve has an axis, the through hole is aligned with the axis, and the first blocking slope and the second blocking slope are each at an oblique angle relative to the axis.

US Pat. No. 11,116,095

WATERPROOF CARD HOLDER, CARD SEAT, METAL CASING AND MOBILE TERMINAL

SHENZHEN EVERWIN PRECISIO...


1. A waterproof card holder, comprising:a card holder frame;
a cover plate located at a top of the card holder frame;
a sleeve integrated with and extending from an inner side of the cover plate including a through-hole penetrating through the sleeve and the cover plate;
a waterproof mechanism accommodated in the sleeve, wherein the waterproof mechanism comprises a main body, a first end portion located inside the sleeve, a second end portion protruding from the sleeve, and waterproof rings located on a periphery of the main body and close to the first end portion, wherein each of the waterproof rings and the sleeve form a sliding sealing structure therebetween; and
a waterproof circle disposed on a periphery of the cover plate, wherein the waterproof circle and an inner side wall of a slot of a metal casing form a sealing structure therebetween,
wherein
in a direction along which the first end portion, the main body and the second end portion are arranged, the waterproof mechanism has a length smaller than a length of the sleeve; and
the waterproof rings comprise a first set of waterproof ring and a second set of waterproof ring that are separated from each other, wherein the second set of waterproof ring is closer to the second end portion than the first set of waterproof ring, each of the first set of waterproof ring and the second set of waterproof ring comprises at least one waterproof ring; and at anywhere between the second set of waterproof ring and the second end portion, a gap is formed between the main body and the sleeve.

US Pat. No. 11,081,834

WATERPROOF USB SOCKET AND MANUFACTURING METHOD OF THE SAME

SHENZHEN EVERWIN PRECISIO...


1. A waterproof Universal Serial Bus (USB) socket, comprising a connector, a metal housing sleeved on a periphery of the connector, a waterproof glue filled in a tail portion of the connector, and a waterproof ring sleeved on a periphery of the metal housing,wherein the connector comprises a metal intermediate plate, a first terminal group and a second terminal group respectively provided at an upper side and a lower side of the metal intermediate plate, and an insulating body integrating the metal intermediate plate, the first terminal group and the second terminal group into one piece;
wherein the insulating body comprises a base portion, a step portion formed by extending forward from the base portion, and a docking portion formed by extending forward from the step portion;
wherein the metal housing comprises an inner metal shell having a seamless outer wall; and
wherein a stopping member is integrally formed on the base portion of the insulating body, and the stopping member comprises a spot-welding platform, and a stopping portion formed at a front end of the base portion by bending and then extending downward from the spot-welding platform; and
wherein the spot-welding platform of the stopping member and the inner metal shell are in contact and fixed into one piece by means of spot-welding.