A connecting device for detachably connecting electrical connections, for example between a rechargeable battery and an electrical power tool or a rechargeable battery and a charging device. The connecting device includes a carrier unit and at least one receptacle connectable to the carrier unit. A receptacle as part of and for connection to a connecting device. A carrier unit as part of a connecting device and for accommodating at least one receptacle.

Provided is a matable electrical connection structure including a female connection member and a male connection member respectively including a plurality of first connection portions and a plurality of second connection portions, and a plurality of matable connection portions configured to detachably couple the female connection member and the male connection member, and respectively and electrically connect the plurality of first connection portions to the plurality of second connection portions, and the matable connection portions include inner conductive materials respectively and electrically connected to the plurality of first connection portions and provided on inner walls of a plurality of insertion holes formed in the female connection member, columns respectively and electrically connected to the plurality of second connection portions and configured to protrude from the male connection member to be inserted into the insertion hole, and elastic fins configured to extend outside the column to elastically contact the inner conductive material, and at least one of the female connection member and the male connection member is divided into a plurality of areas, and the plurality of matable connection portions are disposed to form a group in each of the areas.

An electrical connector including a housing; and a plurality of electrical contacts connected to the housing. Each of the contacts includes opposing cantilevered contact arms configured to receive a male contact of a mating electrical connector therebetween. Each of the contacts has a retention feature assisting in locating the contact in a contact receiving area of the housing and a first surface mount solder tail.

A connector (140) is provided with a holding component (141), a support component (148), a terminal (144) electrically connected to a contact of a guide wire (130) held by the holding component (141), and a guide component (147) rotatable around an axial line (130A) of the guide wire (130) with respect to the support component (148). The holding component (141) is provided with a body (150) having an insertion hole (150a) for the guide wire (130) and a holding piece (151) extending along an axial line of the insertion hole (150a) from the body (150) and capable of being elastically deformed inward in a radial direction with respect to the axial line. The guide component (147) has a guide surface (165a) guiding the holding piece (151) inward in the radial direction. The holding component (141) is slid along the axis line of the insertion hole (150a) with respect to the guide component (147), whereby the holding piece abuts on the guide surface (165a) to be elastically deformed inward in the radial direction.

A connector (140) is provided with a holding component (141), a support component (148), a terminal (144) electrically connected to a contact of a guide wire (130) held by the holding component (141), and a guide component (147) rotatable around an axial line (130A) of the guide wire (130) with respect to the support component (148). The holding component (141) is provided with a body (150) having an insertion hole (150a) for the guide wire (130) and a holding piece (151) extending along an axial line of the insertion hole (150a) from the body (150) and capable of being elastically deformed inward in a radial direction with respect to the axial line. The guide component (147) has a guide surface (165a) guiding the holding piece (151) inward in the radial direction. The holding component (141) is slid along the axis line of the insertion hole (150a) with respect to the guide component (147), whereby the holding piece abuts on the guide surface (165a) to be elastically deformed inward in the radial direction.

A communication system includes a circuit board assembly including a mating circuit board having a mating edge and a plurality of mating pads at the mating edge, the circuit board assembly having an electrical component electrically coupled to the mating circuit board. The communication system includes a cable receptacle connector removably coupled to the mating edge of the mating circuit board. The cable receptacle connector includes a connector housing having a connector cavity and a card slot. A cable extends from the connector housing. The cable receptacle connector includes signal contacts each having a mating end mated with the corresponding mating pads and a terminating end electrically connected to a cable conductor of the cable.

A communication system includes a circuit board assembly including a mating circuit board having a mating edge and a plurality of mating pads at the mating edge, the circuit board assembly having an electrical component electrically coupled to the mating circuit board. The communication system includes a cable receptacle connector removably coupled to the mating edge of the mating circuit board. The cable receptacle connector includes a connector housing having a connector cavity and a card slot. A cable extends from the connector housing. The cable receptacle connector includes signal contacts each having a mating end mated with the corresponding mating pads and a terminating end electrically connected to a cable conductor of the cable.

A socket body (1) having a socket space (3), which is delimited by a socket wall (2) and extends along a central axis (M), for receiving a plug pin, the socket space (3) having a socket opening (6) via which the plug pin can be pushed into the socket space (3), wherein at least one indentation (4), viewed in cross-section transversely to the central axis (M), extends through the socket wall (2) angularly inclined at an angle (a) with respect to the central axis (M) in such a way that at least one spring clip (5) is formed, which spring clip (5) is bent into the socket space (3), and wherein the spring clip (5) has at the front an edge (7) facing the socket space.

Provided in the present invention are an electrical connector and an electrical connector combination. The electrical connector combination includes a circuit board and the electrical connector. The electrical connector includes: a first insulating housing, having a front end provided with a first coupling cavity and a receiving cavity; a plurality of first conductive terminals, respectively provided on upper and lower sides of the first coupling cavity, each first conductive terminal including a first contact portion extending forwards and a wiring portion extending backwards; a plurality of conducting wires, respectively connected to the wiring portions of the plurality of first conductive terminals; a second insulating housing, inserted into the receiving cavity; and a plurality of second conductive terminals, fixed on the second insulating housing, the second conductive terminal including a second contact portion extending forwards and a pin extending backwards, where the pin of the second conductive terminal is used to be electrically connected to the circuit board. The present invention facilitates space conservation and assembly.

Provided in the present invention are an electrical connector and an electrical connector combination. The electrical connector combination includes a circuit board and the electrical connector. The electrical connector includes: a first insulating housing, having a front end provided with a first coupling cavity and a receiving cavity; a plurality of first conductive terminals, respectively provided on upper and lower sides of the first coupling cavity, each first conductive terminal including a first contact portion extending forwards and a wiring portion extending backwards; a plurality of conducting wires, respectively connected to the wiring portions of the plurality of first conductive terminals; a second insulating housing, inserted into the receiving cavity; and a plurality of second conductive terminals, fixed on the second insulating housing, the second conductive terminal including a second contact portion extending forwards and a pin extending backwards, where the pin of the second conductive terminal is used to be electrically connected to the circuit board. The present invention facilitates space conservation and assembly.