32results about "Bayonet/keyhole" patented technology

An assembly is disclosed and comprises a pair of connectors, each including a body which securely receives in electrically-conducting relation the end of a welding cable and a sleeve which, in use, forms a grip for the body and receives same in a manner which provides access to the receiver for the cable end at one end and provides access to the body at the other end. The pair has: an initial position wherein they define a longitudinal axis and wherein the sleeves are disposed other end-to-other end, aligned with the axis; a primary lock, which locks the connectors against longitudinal movement relative to one another upon rotation of the connectors relative to one another about the axis from the initial position and permits electrical conduction between the bodies when the connectors are so locked; and a secondary lock which selectively arrests relative rotation of the connectors about the axis.

A quick connector assembly for high power electrical applications and method of manufacturing a high-power quick connector assembly are disclosed. The quick connector assembly has a first connector and a second connector constructed to form an electrical connection that can be quickly coupled and decoupled. The first connector has a collar portion connectable to a welding cable and a stem portion having a shank section and a threaded section. The second connector has a recess constructed to receive the stem portion of the first connector and electrically engage both the shank portion and the threaded portion of the first connector.

An electrical connection device (100) includes a male portion having a head (21) and a body (24), the head (21) being provided with a groove for inserting a driver, and the body (24) being provided with a first guide hole (26a) and a second guide hole (26b), which are formed from the bottom end of the body (24) and which penetrate the body (24) in a spiral manner; a female portion (116) provided with a hole (118) into which the body (24) is inserted; an elastic portion (40) that is disposed on an outer circumference of the body (24) when the body (24) is inserted into the hole (118); and a movable body (30) that is disposed under the elastic portion and that is fitted into the first guide hole (26a) so as to penetrate the same when the body (24) is inserted into the hole (118). A first conductive member (50) and a second conductive member (60) are interposed between the top end of the elastic portion (40) and the head (21). With the movable body (30) fitted in the first guide hole (26a), as the head (21) rotates relative to the hole (118) up to a predetermined rotation angle, the movable body (30) contacting the bottom end of the elastic portion (40) moves upward, whereby the urging force of the elastic portion (40) increases. When the rotation angle of the head (21) relative to the hole (118) exceeds the predetermined rotation angle mentioned above, the movable body (30) fits into an end (29) of the second guide hole (26b), which is provided in a direction for decreasing the urging force and which communicates with the first guide hole (26a), whereby the rotary movement of the movable body (30) relative to the body (24) is suppressed.

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).

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.

A coupler (100; 100′) between a first coaxial connector and a coaxial cable (10) has a first coaxial connector with an inner conductor (2), at least one hollow cylindrical insulator part (27; 271, 272) and a hollow cylindrical outer conductor (1) and a first spring sleeve (9) for accommodating an outer conductor (11) of the coaxial cable (10), which spring sleeve is connected to the outer conductor (1) of the first coaxial connector. In addition, the coupler (100; 100′) in accordance with the invention has a locking device, which is axially movable relative to a longitudinal axis of the first coaxial connector and is supported on a conically realized outer surface (20) at a distal end of the first spring sleeve (9). The outer conductor (1) of the first coaxial connector is connected to the locking device via a bayonet connection.

A device has a wiring terminal for connecting a busbar, the wiring terminal has a connecting rod, which partly inserts into the wiring terminal and has an interference fit with the wiring terminal, the connecting rod has a conductive first column portion that has an interference fit with the busbar, the first column portion axially arranges a conductive second column portion that has an interference fit with the first column portion, the second column portion is located inside of the first column portion, a thermal expansion coefficient of the second column portion is greater than that of the first column portion, a resistivity of the second column portion is greater than that of the first column portion, a material of the second column portion is an aluminum or an aluminum alloy, and a material of the first column portion is a copper or a copper alloy.

An electrical connection device including a support and an electrically conductive terminal lug, wherein the support includes a first face, with channels projecting from a second face opposite from the first face and defining between them a housing; the terminal lug includes a base for placing in the housing and a shank fastened coaxially to the base, the base including a first face from which the shank extends and a second face opposite from the first face for coming to bear against the second face of the support; the terminal lug including a locking ring having the shank passing through its center and movable in rotation relative to the shank, the ring including ramps extending from the outer periphery of the ring, the ramps co-operating with the channels.

The system and methods of convex input power connection for replaceable mechanical installation include the system and method of the power connection of the power connection. Used to pass the power received from the power supply to drive the welding process. The power connection unit includes the input terminal, output terminal, and bus system, which is used to receive power from the power supply from the power supply. The welding process, as well as the configuration of the bus system to connect to the input terminal and the output end. The power connection unit also includes a convex connector (418), which has a conductive barrier that extends to the threaded cylindrical shaft. The input terminal or the output end of the convex conductor formation is extended through the case (500) of the connection component (500) from the shell. The connection component (500) includes the corresponding thread part (538), which is configured for the threaded column axis (536) to mesh into the bus system.

An object of the present invention is to improve the operability of a terminal attaching and detaching device. This terminal attachment and detachment device includes: a housing; an engaging member that moves in a first direction toward a terminal disposed at a predetermined position of the housing to engage with the terminal, and moves in a second direction from the terminal disposed at the predetermined position to release engagement with the terminal; and an operation member provided rotatably with respect to the case. The engaging member can rotate relative to the housing according to the rotation of the operating member, and can move in the first direction or the second direction relative to the housing according to the rotation relative to the housing.

The invention discloses a terminal for fixing a lead. The terminal comprises a conductive seat. The outside wall at one end of the conductive seat is provided with a pair of conductive rods. The outside wall at the other end of the conductive seat is provided with a blind hole for insertion of the conductive rods on the adjacent terminals for fixing the lead. A conductive block is slidably connected in the blind hole. A third spring which is used for pushing the conductive block so that the conductive block abuts against the conductive rods on the adjacent terminals for fixing the lead. An anchor pole for locking the conductive seat and the conductive rods on the adjacent terminals for fixing the lead after the conductive rods on the adjacent terminals for fixing the lead is inserted intothe conductive seat. The conductive rod is provided with a through hole which can be penetrated by the anchor rod. The terminal for fixing the lead can conveniently realize cascading of two or more conductive seats without a cascading wire, thereby facilitating cascading of the conductive seat and preventing waste of wire duct resource on the conductive seat.