Abstract: Provided is a board-to-board socket, comprising a socket body, a socket terminal, and a socket reinforcing member; said socket body comprises a bottom wall, socket side walls formed by protruding upward from two longitudinal ends of the bottom wall, socket guide parts formed at two lateral ends of the socket body, and an island part; the socket guide part comprises a plug guide part receiving cavity, a longitudinal peripheral wall, and a pair of lateral peripheral walls; the socket reinforcing member comprises a main body part covering surface of the longitudinal peripheral wall, lateral peripheral wall covering parts which extend from two longitudinal sides of the main body part in the lateral direction and cover the lateral peripheral walls, a protection part formed by bending and extending inward from top ends of the lateral peripheral wall covering parts, and an elastic arm part continuously extending from the protection part.

Abstract: A socket strengthener, a board-to-board socket, and a board-to-board connector assembly. The socket strengthener (60) comprises a main body part (61), top surface cover parts (66) and lateral outer peripheral wall cover parts (64) formed by extending from the main body part (61), elastic arm parts (65) curving backwards from the ends of the lateral outer peripheral wall cover parts (64) and extending to the inner sides of the lateral outer peripheral wall cover parts (64). The top surface cover parts (66), on the side adjacent to the elastic arm parts (65) bend downward to form guide parts (662). Viewed from top to bottom, the guide parts (662) do not overlap with the elastic arm parts (65), and the bottoms of the guide parts (662) are lower than the tops of the elastic arm parts (65). The board-to-board socket comprises a socket body, a socket terminal, and the socket strengthener. The board-to-board connector assembly comprises the board-to-board socket and a plug matched therewith.

Abstract: A connection mechanism includes fixing seats, rotary seats, and transmission gears. Each of the fixing seats includes base and shaft holes provided at two sides of the arc-shaped base. The rotary seats and the transmission gears are clamped between two adjacent fixing seats. Each of the rotary seats includes a seat body, an arc-shaped groove longitudinally penetrating through the seat body, and a teeth structure formed by laterally extending from a middle portion of the seat body below the arc-shaped groove. Each of the two transmission gears includes a rotation shaft and a gear fixed onto the rotation shaft and engaged with the teeth structure, wherein the rotation shaft passes through the arc-shaped groove and includes two ends respectively limited inside the shaft holes of two adjacent fixing seats.

Abstract: An electronic atomizer includes a cartridge tube provided with an e-liquid storage cavity and a flue, a closure member closing the e-liquid storage cavity, a sealing member, an atomizing core provided in the closure member, and a base. The closure member includes a closure end, an accommodation end extending downward from closure end, a flow passage vertically penetrating through closure member, and an air passage separated from flow passage; the sealing member is integrally formed on closure member and includes a first sealing portion covering outer side of the atomizing core, a second sealing portion covering outer periphery of the closure end and abutting against inner wall surface of the cartridge tube, and a third sealing portion fitted to top end of the air passage and abutting against end edge of the flue; the e-liquid storage cavity communicates with upper end surface of atomizing core through the flow passage.

Abstract: A closure body includes a closure member and a sealing member formed on closure member. The closure member includes a closure end, an accommodation end extending downward from closure end, an e-liquid passage running through closure end and extending to accommodation end, and an air passage separated from e-liquid passage. The air passage includes a connection air passage running through top of closure end, a longitudinal air passage longitudinally running through closure end and communicating with connection air passage, and an outer-side air passage extending from outer edge of longitudinal air passage to accommodation end. A notch is formed in middle of accommodation end. The sealing member includes a first sealing portion—formed at accommodation end, a second sealing portion extending from first sealing portion toward closure end, and a third sealing portion formed at periphery of top of closure end and integrated with second sealing portion.

Abstract: A connection mechanism includes fixing seats, rotary seats, and transmission gears. Each of the fixing seats includes base and shaft holes provided at two sides of the arc-shaped base. The rotary seats and the transmission gears are clamped between two adjacent fixing seats. Each of the rotary seats includes a seat body, an arc-shaped groove longitudinally penetrating through the seat body, and a teeth structure formed by laterally extending from a middle portion of the seat body below the arc-shaped groove. Each of the two transmission gears includes a rotation shaft and a gear fixed onto the rotation shaft and engaged with the teeth structure, wherein the rotation shaft passes through the arc-shaped groove and includes two ends respectively limited inside the shaft holes of two adjacent fixing seats.

Abstract: A waterproof card holder includes a card holder frame and a cover plate located at top of the card holder frame. The waterproof card holder includes a sleeve integrated with and extending from an inner side of the cover plate and a through-hole penetrating through the sleeve and the cover plate. A waterproof mechanism is accommodated in the sleeve. The waterproof mechanism includes a main body, a first end portion located inside the sleeve, a second end portion protruding from the sleeve, and a waterproof ring located on a periphery of the main body and close to the first end portion. The waterproof ring and the sleeve form a sliding sealing structure therebetween.

Abstract: A waterproof card holder includes a card holder frame, a cover plate, a sleeve integrated with and extending from an inside of the cover plate, and a waterproof mechanism in the sleeve. A through-hole of the sleeve penetrates through the sleeve and cover plate. The waterproof mechanism includes a first end portion limited 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 and forming a sliding sealing structure with the sleeve. The sleeve includes first and second openings respectively disposed at two ends of a sleeve body. The first end portion is limited to be only movable within a stroke between the first and second openings. The second end portion being capable of passing through a first opening to be in contact with a card retracting mechanism.

Abstract: A USB connector includes a docking assembly, a first metal member sleeved on the docking assembly, a plastic housing, and a second metal member integrated with and formed inside the plastic housing. The docking assembly includes an insulation body including a base and a docking tongue extending forward from the base and a conductive terminal integrated with and formed inside the insulation body. The first metal member includes an annular body sleeved on the base and welding feet extending rearward from two opposite sides of the annular body. The second metal member includes a plate body formed on a side wall of the plastic housing. Second welding portions formed by two sides of the plate body are bent and then extend toward 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.

Abstract: A waterproof card holder includes a card holder frame, a cover plate, a sleeve integrated with and extending from an inside of the cover plate, and a waterproof mechanism in the sleeve. A through-hole of the sleeve penetrates through the sleeve and cover plate. The waterproof mechanism includes a first end portion limited 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 and forming a sliding sealing structure with the sleeve. The sleeve includes first and second openings respectively disposed at two ends of a sleeve body. The first end portion is limited to be only movable within a stroke between the first and second openings. The second end portion being capable of passing through a first opening to be in contact with a card retracting mechanism.

Abstract: The present disclosure provides a waterproof card holder, including a card holder frame and a cover plate located at top of the card holder frame. The waterproof card holder further includes a sleeve integrated with and extending from an inner side of the cover plate and a through-hole penetrating through the sleeve and the cover plate, a waterproof mechanism is accommodated in the sleeve. The waterproof mechanism includes a main body, a first end portion located inside the sleeve, a second end portion protruding from the sleeve, and a waterproof ring located on a periphery of the main body and close to the first end portion. The waterproof ring and the sleeve form a sliding sealing structure therebetween.

Abstract: A USB connector includes a docking assembly, a first metal member sleeved on the docking assembly, a plastic housing, and a second metal member integrated with and formed inside the plastic housing. The docking assembly includes an insulation body including a base and a docking tongue extending forward from the base and a conductive terminal integrated with and formed inside the insulation body. The first metal member includes an annular body sleeved on the base and welding feet extending rearward from two opposite sides of the annular body. The second metal member includes a plate body formed on a side wall of the plastic housing. Second welding portions formed by two sides of the plate body are bent and then extend toward 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.

Abstract: A method for packing data over a power line communication channel is disclosed herein. The method comprises packing data into symbol body, adding a first pad in front of the symbol body to form a full symbol and determining the time instance in which the peak absolute voltage point of the AC electric power occurs. And subsequently it is to send the full symbol through the power line in a manner synchronized with the time instance aforesaid. Based on the interference condition detection, the invention allows receiver side adaptation.

Abstract: A method for packing data over a power line communication channel is disclosed herein. The method comprises packing data into symbol body, adding a first pad in front of the symbol body to form a full symbol and determining the time instance in which the peak absolute voltage point of the AC electric power occurs. And subsequently it is to send the full symbol through the power line in a manner synchronized with the time instance aforesaid. Based on the interference condition detection, the invention allows receiver side adaptation.