112results about "Contact engagements" patented technology

The utility model discloses a switch assembly and an electric tool, the switch assembly comprises a first installation member, a second installation member and a reset member which can be arranged in a relative pivoting manner, the first installation member is provided with a first trigger member, the second installation member is provided with a second trigger member, and the reset member comprises a plurality of pressure springs. In a first moving stroke in which the first mounting piece and the second mounting piece rotate relatively and approach each other, the first trigger piece and the second trigger piece approach each other, so that the electric tool is switched to a first working state, meanwhile, each pressure spring is pressed to be shortened and store energy, and in a second moving stroke in which the first trigger piece and the second trigger piece are far away from each other, the electric tool is switched to a second working state. And each pressure spring extends and provides reset force for driving the two to be far away, so that the electric tool is switched to a second working state. According to the utility model, the condition that the pressure spring is inclined and clamped along with the action of the switch assembly can be improved, and meanwhile, the spring force needing to be overcome is also reduced in the assembly process, so that the assembly operation difficulty is reduced.

The invention relates to an actuator-sensor device (1) which has at least one upper membrane (2), wherein at least one actuator electrode having a signal input, and at least one unoccupied region in the form of a through-gap, are arranged on the at least one upper membrane (2). The device has at least one central membrane (3), wherein the at least one central membrane (3) has at least one hole-like opening (4). Furthermore, the device (1) has at least one lower membrane (5), wherein at least one actuator electrode having a signal input, and at least one unoccupied region in the form of a through-gap, are arranged on the at least one lower membrane (5). Finally, the device (1) has at least one upper sensor electrode (6) having a head and having a supply line with a signal output, wherein the head of the at least one upper sensor electrode (6) and the supply line of the at least one upper sensor electrode (6) are arranged in the at least one unoccupied region, in the form of a through-gap, of the at least one upper membrane (2), and at least one lower sensor electrode (7) having a head and having a supply line with a signal output, wherein the head of the at least one lower sensor electrode (7) and the supply line of the at least one lower sensor electrode (7) are arranged in the at least one unoccupied region, in the form of a through-gap, of the at least one lower membrane (5).

Disclosed are a movable contact part and a direct current relay including the same. The movable contact part according to an embodiment of the present disclosure includes an upper holder and a lower holder. One holder among the upper holder and the lower holder has a coupling protrusion that protrudes toward the other holder. The other holder among the upper holder and the lower holder has a coupling groove into which the coupling protrusion is inserted and coupled. The lower holder is coupled to the inside of a housing, and the upper holder is coupled to each of the lower holder and the housing. Accordingly, the coupling between the upper holder and the lower holder is facilitated, and the coupled state can be stably maintained.

This invention provides a horizontal high-voltage disconnecting switch, including a disconnecting switch body and an assembly protection device. The assembly protection device is snapped onto the disconnecting switch body. The disconnecting switch body includes a contact mechanism and a contact finger mechanism. The assembly protection device has a first slot matching the contact mechanism and a second slot matching the contact finger mechanism. The assembly protection device is snapped onto the contact mechanism through the first slot and onto the contact finger mechanism through the second slot, thereby preventing the contact mechanism and the contact finger mechanism from opening in the horizontal direction. This application, through the assembly protection device, enables the high-voltage disconnecting switch to be safely installed during the assembly and commissioning process, solves the problem of significant safety hazards during the assembly and commissioning of high-voltage disconnecting switches, reduces production costs, and improves assembly efficiency.

The utility model relates to a kind of outgoing structure of double-pole double-throw switch with double contacts, including the output conductive plate of being installed on base and being sheet, opposite first installation slot and second installation slot are built on base, longitudinal partition is equipped in first installation slot, connecting groove is equipped with the partition outside back to first installation slot;The upper end of terminal block is equipped with terminal post, the lower portion of partition is equipped with the opening for terminal block to pass, first installation plate is in first installation slot, second installation plate is in second installation slot;Form dynamic contact installation area between first installation slot and second installation slot;First installation plate and second installation plate are respectively welded with first load static contact and second load static contact, the upper end surface of first load static contact and second load static contact is flush.The above scheme realizes the switching mode of product double breakpoint by optimizing output conductive plate structure, simultaneously, double contacts are directly welded on the same conductive plate, improve processing efficiency and contact consistency.

The invention relates to a tulip contact (10) for a gas-insulated circuit-breaker (1), comprising at least one contact section (12) having an inner contour (18) extending along a switching axis (X) between a tip (14) and a root (16), wherein the inner contour (18) forms a contact throat at the tip (14) and exhibits a first radius (R1) in respect to the switching axis (X) that defines a narrowest cross section of the contact throat; the inner contour (18) comprises a first curved segment (C1) and, optionally, adjacent to the first curved segment (C1) a first straight segment (S1), at least one of the first curved segment (C1) and the first straight segment (S1) form the contact throat; the first curved segment (C1) exhibits a curving radius (RU) defining a convexity of first curved segment (C1) towards the switching axis (X) in a longitudinal sectional view; and 1 ≤ RU / R1 and, optionally, RU / R1 ≤ 50.

A high-voltage contactor includes an actuator having a coil and an armature which is movable via the coil, a housing having housing body and a housing cover which together enclose a contact chamber, and a contact bridge which is electrically conductive. The housing cover is connected to the housing body in a gas-tight manner via an ultrasonic-welded connection having a welding joint. The housing cover comprises a joining groove. The contact bridge is arranged in the contact chamber to be displaceable by the electromagnetic actuator into a contact position where a first stationary contact element is electrically connected to a second stationary contact element via the contact bridge, and into an open position in which an electrical contact is disconnected. A housing body wall protrudes into the joining groove. The welding joint of the ultrasonic-welded connection is formed by the joining groove and the housing body wall.

A static terminal of a relay includes a static terminal body. The static terminal body has a first side plate, a second side plate, a third side plate, a static contact, and an electrical connection part. The second side plate is spaced from and opposite to the first side plate. The third side plate is connected between the first side plate and the second side plate. The static contact is fixed on the first side plate. The electrical connection part extends downwards from a bottom of the second side plate and is adapted to electrically connect to a main circuit. The first side plate, the second side plate, and the third side plate of the static terminal body define an accommodation space. The static contact electrically contacts a movable contact of a movable terminal located in the accommodation space.

To provide a contact piece structure and a magnetic holding relay.SOLUTION: A contact piece structure includes a contact piece body having a slot. The slot has opposed first and second sidewalls. The first sidewall has a first plane portion and a protrusion protruding from the first plane portion toward the second sidewall. The second sidewall has a second plane portion and a recess recessed from the second plane portion and corresponding to the protrusion. Herein, a first distance from a top end of the protrusion of the first sidewall to a plane where the second plane portion is positioned is less than a thickness of the contact piece body. The contact piece structure according to an embodiment of the present invention is capable of avoiding deformation of the contact piece structure, thus improving production efficiency.SELECTED DRAWING: Figure 11

An electromechanical switching device (10) for interrupting an electric current, the switching device (10) comprising a fixed main contact (12); a movable main contact (14); a fixed arcing contact (16); a movable arcing contact (18), the fixed arcing contact (16) and the movable arcing contact (18) being arranged in parallel with the fixed main contact (12) and the movable main contact (14); an actuation arrangement (22) configured to move the movable main contact (14) and the movable arcing contact (18); and a magnetic member (30) arranged to generate a magnetic holding force acting on the movable arcing contact (18) in a direction opposite to the fixed arcing contact (16) in response to a current flowing through the movable arcing contact (18) when the movable arcing contact (18) is in a closed position.

A switching device (30) is proposed for a medium voltage electrical apparatus (100), comprising: - a fixed contact (1), - a moving contact (2) configured to pivot about a pivot axis (R2) between: a first position (P1) in which the contacts (1,2) are separated, and a second position (P2) in which the contacts (1,2) are in contact, wherein the fixed contact (1) includes an arc guide (5) projecting from the fixed contact (1), the arc guide (5) being configured to be traversed by an electric arc generated at the establishment or interruption of the electric current between the fixed contact (1) and the moving contact (2), wherein the arc guide (5) includes two grooves (6) separated by a rib (7).

The present application provides a high-capacity relay with a tab terminal, which can achieve miniaturization, reliability improvement or improvement of solderability. In one embodiment, it comprises: (1) a contact opening and closing unit comprising at least one movable contact and at least one fixed contact; (2) an opening and closing drive unit that brings the movable contact into contact with or away from the corresponding fixed contact; (3) at least two pairs of input and output tab terminals electrically connected to at least one pair of input and output terminals of the contact opening and closing unit; and (4) a pair of control tab terminals electrically connected to the control terminals of the opening and closing drive unit, (5) two input and output tab terminals electrically connected to the respective input and output terminals, which are arranged in close proximity to each other in the thickness direction, (6) the thickness and width of the input and output tab terminals and the control tab terminals are the same or at the same level.

The application discloses a high-low voltage isolation structure of a direct-current contactor and particularly relates to the technical field of high-voltage electrical equipment. The structure comprises a shell, a center movable contact rod, a partition type insulation baffle, a high-low voltage isolation assembly and an airflow guiding assembly. The partition type insulation baffle divides the shell into a high-voltage arc-extinguishing chamber in the upper part and a low-voltage control chamber in the lower part, thereby realizing physical space isolation. The high-voltage arc-extinguishing chamber is provided with an electric resistance assembly composed of an electromagnetic arc-extinguishing ring and a stepped labyrinth insulation sealing sleeve, and the electric resistance assembly effectively prevents high-voltage arc from flashover to the low-voltage side by prolonging and zigzagging the creepage path. The airflow guiding assembly comprises an airflow guiding baffle arranged at the top of the partition type insulation baffle and capable of guiding the high-temperature and high-pressure gas generated in arc extinguishing to be discharged upwards, thereby avoiding the direct impact of the high-temperature and high-pressure gas on the electromagnetic drive coil in the low-voltage chamber and avoiding the pollution of the electromagnetic drive coil. The application further provides a detachable self-cleaning scraping type insulation ring which can automatically scrape off the carbide on the surface of the center movable contact rod when the center movable contact rod moves up and down, thereby improving long-term insulation reliability.

The invention relates to a high-voltage contactor (10) having: an electromagnetic actuator (12) that has a coil (14) and a ferromagnetic armature (22) movable by the coil (12); a housing (58) that has a contact chamber (42); an electrically conductive contact bridge (44) that is movable in the contact chamber (42) by means of the actuator (12) into a contact position, in which a first contact element (54) that is fixed to the housing is electrically connected via the contact bridge (44) to a second contact element (56) that is fixed to the housing, and into an opening position, in which electrical contact between the first contact element (54) and the second contact element (56) is interrupted; and a single-piece actuating rod (38) that is supported directly on the armature (22), holds the contact bridge (44) and has an integrally connected stop (48) for a restoring spring (36) which is supported on the housing and which preloads the actuating rod (38) into its opening position.

The invention relates to a charging connector (1) for an electric or hybrid vehicle, with a locking mechanism (2) for locking and unlocking, which has an actuator (4) with which a movement can be performed and which is connected to two galvanically connected contact elements (5, 6) such that the movement of the actuator (4) during locking causes the contact elements (5, 6) to run along a conductor track (7, 8) in one direction and the movement of the actuator (4) during unlocking causes the contact elements (5, 6) to move along the respective conductor track (7, 8) over the same distance as during locking in the opposite direction, one of the two conductor tracks (8) is galvanically interrupted by means of a galvanic isolation (9), the contact element (6) running along the conductor track (8) with the galvanic isolation (9) has two spaced-apart contacts,The contact elements (6) are provided with contact surfaces (10) that establish galvanic contact with the conductor track (8), and the contact surfaces (10) and the galvanic isolation (9) are geometrically designed such that when the contact element (6) having the two contact surfaces (10) runs along the conductor track (8), if one contact surface (10) is not in galvanic contact with the conductor track (8) due to its position within the galvanic isolation (9), the other contact surface (10) is always in a position outside the galvanic isolation (9) on the conductor track (8), so that the other contact surface (10) is in galvanic contact with the conductor track (8). In this way, a means is provided to monitor the locking and unlocking process without interruption.

The invention relates to a surge arrester (1). The surge arrester (1) comprises a housing (3) which has a feed-through (15) having an electrical conductor (17), and comprises a discharge column (5) arranged in the housing (3). The discharge column (5) can be moved relative to the housing (3) along a longitudinal axis (21) of the discharge column (5) between a first end position in which a first end (39) of the discharge column (5) contacts the electrical conductor (17), and a second end position in which the discharge column (5) is electrically separated from the electrical conductor (17). The two electrical conductors (17) are axially positioned on each end (35, 27) of the discharge column (5).

The present invention relates to a quick-acting switch (100), comprising a housing (1) and an actuating rod (2) having two switching positions. The actuating rod has at least one contact bridge (31, 32) for electrically connecting at least one first fixed contact pair (23, 24) in the switching position and quick-acting springs (8, 9) supported substantially symmetrically on an actuating element (3) and the actuating rod (2) in a preloaded manner. The line of action of the quick-acting springs is movable by the actuating element (3) such that the actuating rod (2) can be quickly switched from a first switching position in which the actuating rod (2) is substantially stationary to a second switching position in which the actuating rod (2) is substantially actuated. The quick-acting switch (100) further includes a forced disconnection device by which, when the force acting on the actuating element (3) exceeds a certain limit, the actuating rod (2) can be quickly disconnected from the actuating element (3). When the disconnection force is applied, a switching from at least the first switch position to the second switch position is forced, wherein at least one contact bridge (31, 32) has at least two contact points (17, 18, 19, 20) at one end and the other end respectively for electrically parallel contacting the first fixed contact pair (23, 24), wherein each contact point (17, 18, 19, 20) is designed to be able to fully switch the rated power of the quick-action switch (100), and (as shown in FIG3) the actuating rod (2) has at least one first stop (41) at least in the closing direction of the first fixed contact pair (23, 24), the first stop interacting with a first mating stop (51) to limit the movement of the actuating rod (2) in the closing direction of the first fixed contact pair (23, 24).

The utility model discloses a contact switch, including circuit substrate, first fixed contact and first contact spring, be equipped with the power module of control machine opening and closing on circuit substrate, first fixed contact and first contact spring with power module electric connection, make first contact spring and first fixed contact can pass through power module control machine opening and closing, because first contact spring and first fixed contact simple structure personally, have not set up the shell body and wrapped first contact spring and first fixed contact, make first contact spring and first fixed contact even contaminate various dust or moisture, after machine work is completed, can very easily wipe dry and blow dry dust or moisture on first contact spring and first fixed contact, have the advantage that easy to clean, prolong the working life of machine. The utility model discloses still a kind of including the cleaning gun of above-mentioned contact switch.

To provide a circuit breaker capable of quickly extinguishing an arc in the event that an arc occurs. [Solution] The circuit breaker (100) comprises a fixed terminal (1), a movable contact (3), a moving mechanism, an igniter (51), and a housing chamber (70). The fixed terminal (1) has a fixed contact (11). The movable contact (3) has a movable contact (31) connected to the fixed contact (11). The moving mechanism moves the movable contact (3) from a closed position where the movable contact (31) is connected to the fixed contact (11) to an open position where the movable contact (31) is separated from the fixed contact (11). The igniter (51) generates gas by combustion. The housing chamber (70) houses the fixed contact (11) and the movable contact (3). In the circuit breaker (100), gas is introduced into the housing chamber (70).

A contact system and electromagnetic contactor are provided in which the contact system includes a movable contact that moves along a closing direction and a pair of stationary contacts that are disposed facing each other along a longitudinal direction transverse to the closing direction. Each stationary contact has a C-shaped body with first and second legs that are oriented toward a center of the contact system and are spaced apart along the closing direction. The movable contact has a first movable contact portion disposed between the first and second legs of the first stationary contact and a second movable contact portion disposed between the first and second legs of the second stationary contact. The first and second stationary contacts each include a terminal portion that extends from the respective second leg in a direction that forms a non-zero angle with the longitudinal direction.

Apparatuses, systems, and methods are provided for at least ignition switches. An exemplary ignition switch may include a rotor. The exemplary ignition switch may include a contact having one or more protruding portions configured to mechanically couple the contact to the rotor. The exemplary ignition switch may include a spring locator configured to couple at least one spring to the contact via aligning the at least one spring within a cavity defined by the rotor.

The invention relates to a charging plug connector (1) for an electric or hybrid vehicle, having a locking mechanism (2) for locking and unlocking, which locking mechanism has an actuator (4) by means of which a movement can be carried out and which is connected to two galvanically interconnected contact elements (5, 6) in such a way that the movement of the actuator (4) during locking causes the contact elements (5, 6) to run along on a respective conductor track (7, 8) in one direction and the movement of the actuator (4) during unlocking causes the contact elements (5, 6) to move on the respective conductor track (7, 8) in the opposite direction on the same path as during locking, one of the two conductor tracks (8) is galvanically interrupted by means of a galvanic isolation (9), the contact element (6) running along on the conductor track (8) having the galvanic isolation (9) is provided with two mutually spaced contact surfaces (10) which establish the galvanic contact to the conductor track (8), and the contact surfaces (10) and the galvanic isolation (9) are geometrically designed in such a way that, when the contact element (6) having the two contact surfaces (10) runs along on the conductor track (8), if a contact surface (10) is not in galvanic contact with the conductor track (8) due to its position in the region of the galvanic isolation (9), the other contact surface (10) always has a position outside the galvanic isolation (9) on the conductor track (8) so that the other contact surface (10) is in galvanic contact with the conductor track (8). This provides a possible way of uninterruptedly monitoring the locking or unlocking process.