A plug-in assembly structure for a UAV includes a first component (1), a second component (2) and a limit assembly (3). The first component (1) includes a first plug (11) and a positioning sleeve (12), and the positioning sleeve (12) is provided with a first through hole (121). The second component (2) includes a second plug (21), the radial direction of the second plug (21) is provided with a limit hole (2111), the second plug (21) can be electrically connected to the first plug (11), and the limit hole (2111) is facing the first through hole (121). The limit assembly (3) is installed in the limit hole (2111). The limit assembly (3) includes a first elastic element (31) and a limit element (32).

A plug-in assembly structure for a UAV includes a first component (1), a second component (2) and a limit assembly (3). The first component (1) includes a first plug (11) and a positioning sleeve (12), and the positioning sleeve (12) is provided with a first through hole (121). The second component (2) includes a second plug (21), the radial direction of the second plug (21) is provided with a limit hole (2111), the second plug (21) can be electrically connected to the first plug (11), and the limit hole (2111) is facing the first through hole (121). The limit assembly (3) is installed in the limit hole (2111). The limit assembly (3) includes a first elastic element (31) and a limit element (32).

An electrical connector assembly includes an electrical receptacle terminal configured to receive a corresponding electrical plug terminal therein. The electrical receptacle terminal has a helical coil spring. The electrical connector assembly further includes a cable terminal attached to an end of a conductor of an electrical cable. The coil spring is in compressive contact with the cable terminal.

An electrical cable termination assembly includes a crimp body configured for electrically connecting a conductive core of an electrical cable to a conductive pin. The crimp body is further configured to receive the conductive core at a first end thereof and the conductive pin at a second end thereof. The assembly further includes a locking sleeve that is located radially outwardly of the crimp body and is movable relative to the crimp body between a locking position and an unlocking position.

A force-biased spring probe pin assembly includes a barrel member having a barrel wall defining an elongate internal cavity with a lower end and an upper end. The assembly also includes a first plunger member reciprocally mounted in the internal cavity proximate the lower end of the internal cavity. A spring member is positioned in the internal cavity between the plunger member and the second end of the internal cavity. At least one cavity formed in the plunger member with a conductive bearing in the cavity in electrical contact with the plunger and with the wall of the barrel member. A force-biased spring probe pin assembly includes a barrel member having a barrel wall defining an elongate internal cavity with a lower end and an upper end. The assembly also includes a first plunger member reciprocally mounted in the internal cavity proximate the lower end of the internal cavity and a second plunger member reciprocally mounted in the internal cavity proximate the upper end of the internal cavity. A spring member is positioned in the internal cavity between the first plunger member and the second plunger member. At least one cavity formed in the first plunger member with a first conductive bearing in the cavity in electrical contact with the first plunger and with the wall of the barrel member and at least one cavity formed in the second plunger member with a second conductive bearing in the cavity in electrical contact with the second plunger and with the wall of the barrel member.

A force-biased spring probe pin assembly includes a barrel member having a barrel wall defining an elongate internal cavity with a lower end and an upper end. The assembly also includes a first plunger member reciprocally mounted in the internal cavity proximate the lower end of the internal cavity. A spring member is positioned in the internal cavity between the plunger member and the second end of the internal cavity. At least one cavity formed in the plunger member with a conductive bearing in the cavity in electrical contact with the plunger and with the wall of the barrel member. A force-biased spring probe pin assembly includes a barrel member having a barrel wall defining an elongate internal cavity with a lower end and an upper end. The assembly also includes a first plunger member reciprocally mounted in the internal cavity proximate the lower end of the internal cavity and a second plunger member reciprocally mounted in the internal cavity proximate the upper end of the internal cavity. A spring member is positioned in the internal cavity between the first plunger member and the second plunger member. At least one cavity formed in the first plunger member with a first conductive bearing in the cavity in electrical contact with the first plunger and with the wall of the barrel member and at least one cavity formed in the second plunger member with a second conductive bearing in the cavity in electrical contact with the second plunger and with the wall of the barrel member.

A conductor assembly for establishing a connection to a power distribution unit is disclosed. The conductor assembly includes one or more conductors have a conductive rod. Each end of the conductive rod has an end forming a ball member. The conductor assembly also includes a connector having a clamp mechanism to receive the ball member of the conductive rod. A fastener threadably couples with a conductor on power distribution unit to rigidly secure the conductor assembly to the electrical equipment units.

A terminal unit in which electric resistance is small and heat generation is little even if large electric current is applied, is provided. The terminal unit comprises a first terminal, a second terminal which is assembled to and connected with the first terminal, an electric wire end which is connected with the second terminal, and a pressing member which presses the first terminal and the second terminal against each other for contact. In a state where the first terminal and the second terminal are assembled and contacted with each other, at least one projection contact of the first terminal directly contacts the electric wire end through at least one through hole of the second terminal.

An electrical connector assembly includes an electrical receptacle terminal configured to receive a corresponding electrical plug terminal therein. The electrical receptacle terminal has a helical coil spring. The electrical connector assembly further includes a cable terminal attached to an end of a conductor of an electrical cable. The coil spring is in compressive contact with the cable terminal.