The present disclosure proposes a board-to-board connector terminal and a connector. The board-to-board connector terminal comprises: a male connector terminal including a first part; and a female connector terminal including a second part, wherein in the case of the male connector terminal and the female connector terminal adaptively installed, the male connector terminal is in contact with the female connector terminal; when the male connector terminal is detached from the female connector terminal, the second part abuts against the first part to prevent the male connector terminal being detached from the female connector terminal; in the case of the male connector terminal forcibly detached from the female connector terminal, the first part pushes the second part to cause the second part to be peeled off, such that the female connector terminal is damaged and does not work properly. With the above-mentioned technical solution, the first part cooperates with the second part to enable the female connector to be damaged after the male connector is detached from the female connector, thereby preventing multiple times of plugging of the connector.

A quick-locking piston-type floating power supply connector includes a housing assembly, a contact assembly, and a base assembly, wherein the housing assembly is sleeved on an outer wall of one end of the base assembly, one end of the contact assembly is fixed in the base assembly, the other end of the contact assembly extends from the base assembly, the other end of the contact assembly extends outwards to be partially embedded into a cover plate assembly, a floating contact member of a piston-type structure is vertically arranged at the terminal of the other end of the contact assembly, the floating contact member is mounted in the cover plate assembly, a mounting opening of the floating contact member extends outwards to the cover plate assembly, and the floating contact member is used for meeting the electrical assembly requirements of PCBs with different heights.

A quick-locking piston-type floating power supply connector includes a housing assembly, a contact assembly, and a base assembly, wherein the housing assembly is sleeved on an outer wall of one end of the base assembly, one end of the contact assembly is fixed in the base assembly, the other end of the contact assembly extends from the base assembly, the other end of the contact assembly extends outwards to be partially embedded into a cover plate assembly, a floating contact member of a piston-type structure is vertically arranged at the terminal of the other end of the contact assembly, the floating contact member is mounted in the cover plate assembly, a mounting opening of the floating contact member extends outwards to the cover plate assembly, and the floating contact member is used for meeting the electrical assembly requirements of PCBs with different heights.

A joint connector includes a circuit board that is located behind a back wall of the connector housing through a component space, an independent male terminal jointed to the circuit board, and a joint terminal. The joint terminal includes a bridge portion fixed to the connector housing, a plurality of male terminal portions conducted to each other and protruding into a fitting space of the connector housing to serve as connector terminals, and one contact conduction piece extending to a back of the back wall of the connector housing and elastically brought into conductive contact with one of the independent male terminals via a spring portion.

A joint connector includes a circuit board that is located behind a back wall of the connector housing through a component space, an independent male terminal jointed to the circuit board, and a joint terminal. The joint terminal includes a bridge portion fixed to the connector housing, a plurality of male terminal portions conducted to each other and protruding into a fitting space of the connector housing to serve as connector terminals, and one contact conduction piece extending to a back of the back wall of the connector housing and elastically brought into conductive contact with one of the independent male terminals via a spring portion.

An electrical connector includes a metal shell and a cover. The metal shell includes first, second, third, and fourth side walls sequentially connected and defining an accommodating space, a first opening, and a second opening that are sequentially connected. The first side wall is provided with two buckle grooves. The cover includes a flat plate portion covering the first opening and two fixing portions disposed in the accommodating space. Each fixing portion includes a first plate, a curved portion, and a second plate that extend from the flat plate portion and are sequentially connected. Outer surfaces of the curved portions respectively contact the second and fourth side walls. The two first plates are parallel to and in contact with the first side wall. Each first plate is provided with a buckle member buckled in one corresponding buckle groove. A free end of each second plate contacts the third side wall.

An electrical connector includes a metal shell and a cover. The metal shell includes first, second, third, and fourth side walls sequentially connected and defining an accommodating space, a first opening, and a second opening that are sequentially connected. The first side wall is provided with two buckle grooves. The cover includes a flat plate portion covering the first opening and two fixing portions disposed in the accommodating space. Each fixing portion includes a first plate, a curved portion, and a second plate that extend from the flat plate portion and are sequentially connected. Outer surfaces of the curved portions respectively contact the second and fourth side walls. The two first plates are parallel to and in contact with the first side wall. Each first plate is provided with a buckle member buckled in one corresponding buckle groove. A free end of each second plate contacts the third side wall.

A heating device includes a PCB (10), at least one heating element (30, 31, 32), bus bars (60a, 60b, 60c) and a terminal pin (40) and a terminal plate (70). At least a portion of the PCB (10) extends out of a PCB housing (20). The terminal pin (40) is disposed in a connector housing (50) disposed at least partially outside the PCB housing (20). At least one of the connector housing (50) and the portion of the PCB (10) extending out of the PCB housing (20) includes at least one support element (52) to support the connector housing (50) in a pre-determined position with respect to the PCB (10).

A heating device includes a PCB (10), at least one heating element (30, 31, 32), bus bars (60a, 60b, 60c) and a terminal pin (40) and a terminal plate (70). At least a portion of the PCB (10) extends out of a PCB housing (20). The terminal pin (40) is disposed in a connector housing (50) disposed at least partially outside the PCB housing (20). At least one of the connector housing (50) and the portion of the PCB (10) extending out of the PCB housing (20) includes at least one support element (52) to support the connector housing (50) in a pre-determined position with respect to the PCB (10).

A surface mount electrical connector and methods of making and using a surface mount electrical connector. The connector includes a housing and a contact subassembly received in the housing. The contact subassembly includes interface contacts, board termination contacts, and an internal circuit board. The interface contacts and the board termination contacts are mounted to the internal circuit board to electrically connect the interface contacts and the board termination contacts through the internal circuit board. Each of surface mount tail ends of the board termination contacts has a bent portion that defines a mounting surface configured to be surface mounted to a mounting face of a main circuit board, to establish an electrical connection between the board termination contacts and the main circuit board.