The invention relates to an electric device, especially to an output of a transformer, said output comprises a connecting portion, said connecting portion comprises a connecting rod, which partly inserts into said connecting portion and has an interference fit with said connecting portion, said connecting rod comprises a conductive first column portion that has an interference fit with a busbar, said first column portion axially arranges a conductive second column portion which has an interference fit with said first column portion, said second column portion is located inside of said first column portion, a thermal expansion coefficient of said second column portion is greater than that of said first column portion. Said transformer has such advantageous effects, 1. the same overlapping length increases more conductive surface for reducing a current density to achieve low temperature rising of connecting part; 2. amount of material is reduced and save the social source; 3. the electric clearance or safety distance is increased, an electric safety of device is also increased; 4. a width of a connecting part is reduced, an occupation space of transformer is also reduced.

The disclosure provides a connector and an electronic device system using the same. The connector includes a first connecting unit, a second connecting unit, a connecting structure and a supporting member. The first connecting unit includes a first body, a first magnetic body and a first conductive assembly mounted on the first body, and the first body has a first fixing portion. The second connecting unit includes a second body, a second magnetic body and a second conductive assembly mounted on the second body. The supporting member includes a supporting body, a second fixing portion and an inserted hole provided on the supporting body. The second magnetic body and the second conductive assembly is corresponding to the first magnetic body and the first conductive assembly respectively. The electronic device system has the functions of anti-collision and noise reduction.

A connector structure includes a jack including a receiver, and a plug connectable to the jack. The jack includes a wall located around the receiver and defining a receiving region configured to receive a locking portion. The plug includes a plug body, a plug holder, and the locking portion. The receiving region includes a first region where at least a part of the locking portion is configured to enter and exit by a movement of the locking portion along the first axis, and a second region where at least a part of the locking portion is configured to enter when the locking portion is rotated about the first axis. The second region is covered by the wall when the receiver is seen from the front.

There is provided an electrical connection device (100) including a male portion including a head (21) having a groove for insertion of a driver, and a body portion (24) having a spirally penetrating first guide hole (26a) formed from a lower end and a second guide hole (26b); a female portion (116) having a hole portion (118) into which the body portion (24) is inserted; an elastic portion (40) to be disposed on an outer circumference of the body portion (24) when the body portion (24) is inserted into the hole portion (118); and a movable body (30) which is disposed below the elastic portion, and engages and penetrates through the first guide hole (26a) when the body portion (24) is inserted into the hole portion (11), in which a first conductive member (50) and a second conductive member (60) are interposed between an upper end of the elastic portion (40) and the head (21), and with the movable body (30) engaged in the first guide hole (26a), as the head (21) rotates to a predetermined rotation angle relative to the hole portion (118), a biasing force of the elastic portion (40) is increased due to a rise of the movable body (30) in contact with a lower end of the elastic portion (40), and when a rotation angle of the head (21) relative to the hole portion (118) exceeds the predetermined rotation angle, the movable body (30) engages in an end portion (29) of a second guide hole (26b) leading to the first guide hole (26a), the second guide hole being provided in a direction in which the biasing force is reduced, to suppress rotational movement of the movable body (30) relative to the body portion (24).

There is provided an electrical connection device (100) including a male portion including a head (21) having a groove for insertion of a driver, and a body portion (24) having a spirally penetrating first guide hole (26a) formed from a lower end and a second guide hole (26b); a female portion (116) having a hole portion (118) into which the body portion (24) is inserted; an elastic portion (40) to be disposed on an outer circumference of the body portion (24) when the body portion (24) is inserted into the hole portion (118); and a movable body (30) which is disposed below the elastic portion, and engages and penetrates through the first guide hole (26a) when the body portion (24) is inserted into the hole portion (11), in which a first conductive member (50) and a second conductive member (60) are interposed between an upper end of the elastic portion (40) and the head (21), and with the movable body (30) engaged in the first guide hole (26a), as the head (21) rotates to a predetermined rotation angle relative to the hole portion (118), a biasing force of the elastic portion (40) is increased due to a rise of the movable body (30) in contact with a lower end of the elastic portion (40), and when a rotation angle of the head (21) relative to the hole portion (118) exceeds the predetermined rotation angle, the movable body (30) engages in an end portion (29) of a second guide hole (26b) leading to the first guide hole (26a), the second guide hole being provided in a direction in which the biasing force is reduced, to suppress rotational movement of the movable body (30) relative to the body portion (24).

An electrical connector is disclosed. The electrical connector has a first body and a second body. The second body is mechanically coupled to the first body in a coupling state and enters the coupling state through a lateral side of the first body.

Shown is an assembly or securing a printed circuit board to a plug body, having a contact element with a holding face facing against a plugging direction of the contact element, and a securing member, that can be transferred into a securing position, in which the printed circuit board is secured by the securing member in a positive fit manner against the plug direction at the holding face. Further shown is a method of securing a printed circuit board at the plug body, wherein a holding face of a contact element facing against a plug direction is inserted through an opening in the printed circuit board and subsequently a securing member is transferred to a securing position, in which the printed circuit board is secured by the securing member in a positive fit manner against the plug direction at the holding face.

A connector structure includes a jack including a receiver, and a plug connectable to the jack. The jack includes a wall located around the receiver and defining a receiving region configured to receive a locking portion. The plug includes a plug body, a plug holder, and the locking portion. The receiving region includes a first region where at least a part of the locking portion is configured to enter and exit by a movement of the locking portion along the first axis, and a second region where at least a part of the locking portion is configured to enter when the locking portion is rotated about the first axis. The second region is covered by the wall when the receiver is seen from the front.

Power cable accessory assembly having: a power cable including: a conductor, and an electrical insulation layer arranged around the conductor, wherein the electrical insulation layer has a main section and an end section, the end section having a smaller diameter than the main section; a fastening device engaging with the electrical insulation layer in the end section, and a connector extending around the end section of the electrical insulation layer, the connector being mechanically connected to the conductor, wherein the connector has an inner surface provided with a structure that engages with the fastening device to maintain an axially fixed position between the connector and the electrical insulation layer.

A first connection apparatus for electrically connecting a first conductor to a second conductor, where the first conductor is assigned to the first connection apparatus and the second conductor is assigned to a second connection apparatus, the first connection apparatus comprising the first conductor, an electrically insulating protective cover for insulating the first conductor, an electrically conductive coupling component for electrically coupling the first conductor to the second conductor, and a spacer device.