An improved structure of a universal socket with polarity correction comprising: a cover, a wedging body disposed under the cover, and a shell disposed under the wedging body. The cover is formed with first neutral, first live wire, second neutral, and second live wire electrode socket holes. The wedging body is formed with first neutral electrode, first live wire electrode, second neutral electrode, and second live wire electrode holding holes. Neutral and live wire electrode plate accommodating grooves, and an electrode plate assembly are disposed in the shell. The electrode plate assembly comprises a first neutral electrode plate and a second neutral electrode plate electrically connected to each other and disposed in the neutral electrode plate accommodating groove, and further comprises a first live wire electrode plate and a second live wire electrode plate electrically connected to each other and disposed in the live wire electrode plate accommodating groove.

A data acquisition system includes a receptacle and a data acquisition device. The receptacle has a housing, sensor inputs to receive data signals from sensors coupled to an object, and a rib to block insertion of a standard Universal Serial Bus (USB) plug and facilitate insertion of a modified USB plug having a slot that mates with the rib. The data acquisition device includes circuitry to receive, store and process data, a USB plug having pins operatively coupled to the circuitry, a first subset of pins configured to receive data signals from the receptacle and a second subset of pins configured to support standard USB communication with USB-compliant devices, and a slot formed in the USB plug such that the slot facilitates interconnection of the USB plug both with standard USB-compliant devices and with the receptacle, the slot mating with the rib to facilitate interconnection.

The present application provides a connection structure, comprising: a first structural member and a second structural member matching the first structural member, wherein the first structural member comprises a base plate and plugging blocks connected to the base plate, two plugging blocks being provided at an interval; the second structural member is provided with plugging slots, one end of the plugging slot having an opening, and the other end of the plugging slot being provided with a blocking wall; two plugging slots are provided at an interval, and the two plugging blocks are respectively slidably plugged in the two plugging slots towards the two blocking walls; and the connection structure further comprises a limiting mechanism, and the limiting mechanism is capable of restraining the two plugging blocks from being separated from the two plugging slots, respectively in a direction away from the blocking walls.

The present application provides a connection structure, comprising: a first structural member and a second structural member matching the first structural member, wherein the first structural member comprises a base plate and plugging blocks connected to the base plate, two plugging blocks being provided at an interval; the second structural member is provided with plugging slots, one end of the plugging slot having an opening, and the other end of the plugging slot being provided with a blocking wall; two plugging slots are provided at an interval, and the two plugging blocks are respectively slidably plugged in the two plugging slots towards the two blocking walls; and the connection structure further comprises a limiting mechanism, and the limiting mechanism is capable of restraining the two plugging blocks from being separated from the two plugging slots, respectively in a direction away from the blocking walls.

The embodiments of the present disclosure provide a plug, an interface device and an identification method thereof. The plug includes at least one insulating pin row including a plurality of insulating pins, a conductive pin which is stretchable and retractable along an axis direction is provided on at least one side of a central line of each of the at least one insulating pin row, and the conductive pin is arranged between two adjacent insulating pins of the plurality of insulating pins.

The embodiments of the present disclosure provide a plug, an interface device and an identification method thereof. The plug includes at least one insulating pin row including a plurality of insulating pins, a conductive pin which is stretchable and retractable along an axis direction is provided on at least one side of a central line of each of the at least one insulating pin row, and the conductive pin is arranged between two adjacent insulating pins of the plurality of insulating pins.

A connector device is provided, including a first housing, a circuit assembly, a second housing, and a connector. The circuit assembly is disposed on the first housing, and has a first connecting port and a second connecting port. The second housing is detachably engaged with the first housing. The connector is disposed on the second housing, and has an opening and a terminal. When the first housing is engaged with the second housing and the opening faces the first direction, the terminal is electrically connected to the first connecting port. When the first housing is engaged with the second housing and the opening faces the second direction, the terminal is electrically connected to the second connecting port. The first direction is different from the second direction.

A manufacturing system for a fitted body is configured to fit the first connector selected based on the functions of the fitted body and the second connector to manufacture the fitted body. The first connectors each has a first function portion differing from each other in accordance with functions of the fitted body. The second connector has a common second function portion allowing an engagement with the first function portion.

A multifunctional plug, including a main body and a pin piece. The main body is provided with a holding slot for holding the pin piece. The pin piece includes a pin and a rotating shaft. The pin can rotate out of the holding slot with the rotating shaft as the rotating center, and the pin can extend into the slot of other plug and is conductive connection with the plug piece assembly of the other plug. The main body is provided with a first clamping portion, and further includes the first conductive spring piece fixed in the main body. A power adapter, including a multifunctional plug, other plug and a housing. The multifunctional plug is fixed on the housing, and the other plug is detachable and clamped on the multifunctional plug.

A multifunctional plug, including a main body and a pin piece. The main body is provided with a holding slot for holding the pin piece. The pin piece includes a pin and a rotating shaft. The pin can rotate out of the holding slot with the rotating shaft as the rotating center, and the pin can extend into the slot of other plug and is conductive connection with the plug piece assembly of the other plug. The main body is provided with a first clamping portion, and further includes the first conductive spring piece fixed in the main body. A power adapter, including a multifunctional plug, other plug and a housing. The multifunctional plug is fixed on the housing, and the other plug is detachable and clamped on the multifunctional plug.