61results about How to "Improve plug life" patented technology

A connector includes a contact and a shell. The shell includes a tubular shell body portion having a slit portion formed to extend over its entire region in a connector insertion direction, an insertion opening formed at one end of the shell body portion, a locking portion provided on the inner periphery side of the shell body portion, and a shell joining portion formed at a position more on the forward side of the connector insertion direction than a position of the locking portion and joining together opposed portions of the shell body portion divided by the slit portion.

The invention relates to a signal connector used for print circuit boards, comprising a plug and a socket; wherein the plug comprises a plug insulating body and a plug contact. The plug insulating body is internally provided with a contact containing cavity, and the plug contact comprises an insertion contact component and a weld line contact component, wherein the weld line contact component is fixedly arranged at the rear end of the contact containing cavity, the insertion contact component coaxially thrusts and is arranged at the front end of the contact containing cavity. An insertion contact component radial wobble clearance is arranged between the insertion contact component and the contact containing cavity, a pressure spring is arranged between the weld line contact component and the insertion contact component, and axial space is arranged between the weld line contact component and the insertion contact component.

The invention relates to a connector and a plug thereof. The plug comprises a plug insulator which is equipped with a plug low-frequency contact installation cavity which runs through front end and rear end of the plug insulator, and the plug low-frequency contact installation cavity is equipped with a plug low-frequency contact, a plugging end of the plug is front end, the plug low-frequency contact comprises a contact sheath which is equipped with a contact head inserted in front of the plugging end of the plug, the other end of the contact sheath is equipped with a welding pin, a spring is arranged between the welding pin and a positioning face opposite to the contact head, and a rear end of the contact head in the contact sheath is equipped with a contact head springing motion space. The connector can automatically regulate axial direction and radial tolerances during connection.

The invention discloses a female terminal of an electric connector and a processing method of the female terminal. The female terminal comprises a cylindrical main body, a lining and an outer sleeve, wherein the main body is made of a conductive material and comprises a first end, a second end and a contact part; the contact part is a cylinder formed by rolling a parallelogram into a circle and is provided with at least two annular curve surfaces which protrude towards an enclosed hollow cavity; the first end and the second end extend along two axial ends of the contact part separately; the contact part is arranged in the lining and the first end and the second end are folded outwards to fix the lining; and at least one outer sleeve sleeves the outside of the lining. The nearly double contact area is formed by a W-shaped staggered structure for conduction and a wave-shaped double-blade and double-curved surface feature terminal, so that the target that one socket is matched with two jacks can be achieved; the contact resistance is reduced, the insertion and extraction force is more stable and the insertion and extraction life is longer; high reliability of electric contact can be kept in a strong vibration shock environment; and the current-carrying capability is higher under the conditions of fixed contact pressure and raw materials.

The invention provides a fuse carrying device. The fuse carrying device comprises a carrying body (2) and a fixing seat (3), wherein the carrying body (2) comprises a cover plate (4) and a carrying frame (5); and the fuse carrying device further comprises two contact sheets (7); contact clamping openings (8) are formed in the contact sheets (7); the contact clamping opening is an incomplete circular notch having an upwards-facing opening (9); when a fuse (1) is inserted into the contact sheets (7), the contact clamping openings (8) are expanded, the contact cap (6) of the fuse (1) is clamped,so that the fuse (1) can conductively contact with the contact sheets (7); the lower parts of the contact sheets (7) are provided with pins (10) for external electrical connection; longitudinal grooves (11) for accommodating the contact sheets (7) are formed in the fixing seat (3) at intervals; inside-groove notches (12) are formed in the longitudinal grooves (11); and the pins (10) pass through the inside-groove notches (12). The force bearing structures of the contact sheets are optimized, so that the contact sheets still maintain good elasticity after plugging and pulling out are performeda plurality of times with the advantages of a brass material kept, and therefore, the stability of electrical contact can be ensured.

A self-lubricating pin contact belongs to the technical field of electrical connectors. A self-lubricating pin contact of the present invention includes a pin contact body. The self-lubricating pin contact further includes a conductive grease and a movable elastic caging device. A central hole is horizontally disposed in the pin contact body from front to back, the central hole leads to a rear endof the pin contact body, a front end of the pin contact body is closed, the front end of the pin contact body is a plug end, a plurality of holes communicating with the central hole are disposed on asidewall of the plug end of the pin contact body, the central hole of the pin contact body is filled with the conductive grease at the plug end, the movable elastic caging device is disposed in the central hole of the pin contact body, and the movable elastic caging device can push the conductive grease to move toward the plug end. The present invention is applied to an electrical connector, so that a plugging and unplugging life of the contact of the electrical connector can be improved.

The invention discloses an automobile charging socket. The automobile charging socket includes a base having an inner cavity, a plurality of contact terminals are arranged in the inner cavity of the base, each contact terminal has an insertion hole used for insertion of a contact pin of charging equipment, and at least one circle of conductive wire which is used for contact with the contact pin and is in the shape of a spiral spring is arranged inside the insertion hole. The automobile charging socket provided by the invention adopts the conductive wire in the shape of a spiral spring to contact with the contact pin of the charging equipment for conduction, thus a contact area of the contact pin of the charging equipment and the conductive wire during charging can be greatly increased, contact resistance of the contact pin of the charging equipment is reduced, and a temperature rise is lowered. By adoption of the conductive wire in the shape of a spiral spring, the contact pin of the charging equipment and the conductive wire have a certain buffering effect, and thus the plugging and unplugging life of the contact pin can be greatly prolonged.

A plug-in connector Including rubber core and terminals, the rubber core is provided with a PIN hole through which the rubber core is penetrated, the terminal is located in the PIN hole and matched with the PIN hole, The rear end of the terminal is fixedly connected with a pin tail, the rear end of the PIN hole is inserted with a rear plug which is matched with the pin tail, a passage through which the pin tail passes is arranged on the rear plug, a hot melt column is fixedly arranged on the rear end of the PIN hole, and a hot melt hole which is matched with the hot melt column is arranged onthe rear plug. The invention has the beneficial effects of realizing the high-reliability connection between modules, and improving the insertion and extraction force and insertion and extraction lifeof the contact elastic piece and the corresponding insertion pin.

The invention discloses a bypass quick-switching switch and an uninterrupted power operation method thereof. The invention relates to electric power overhaul equipment, in particular to a bypass quick-switching switch and a bypass uninterrupted power operation method. An on-line monitoring system for bypass uninterruptible operation realizes the quick access and unperceptible switching of a bypasssystem, improves the uninterruptible operation level, and improves the power supply reliability. A circuit breaker module which is electrically connected with the intelligent controller module through a cable is included; the circuit breaker module comprises a main loop, a three-phase current transformer, an incoming line side three-phase voltage sensor, an outgoing line side three-phase voltagesensor, a spring operating mechanism, a switch position signal module and a current and voltage secondary protection module. A limiting shaft II rotates through an opening linear driving mechanism torelease an opening swing plate. The switch has the characteristics of convenient installation and long plugging service life.

The present invention relates to a rapid explosion-proof charging gun. The charging gun comprises a plug component and a socket component. The socket component comprises a self-locking structure. Theself-locking structure comprises an installing plate, a pulling rod, a pulling ring arranged at the rear of the pulling rod, a stopping block arranged at the front part of the pulling rod, and a spring sleeving the pulling rod. The inner part of the installing plate is a groove, the groove is provided with a through hole, the pulling rod penetrates the through hole, and the pulling rod can slide forward and backward relative to the through hole. The stopping block can slide forward and backward relative to the groove of the installing plate. One end of the spring contacts with the groove of the installing plate, and the other end of the spring contacts with the stopping block. The plug component comprises a guiding groove, the guiding groove is arc-shaped, and one end of the guiding grooveis provided with clamping slot. The pulling rod can slide along the guiding groove, and when the front end of the pulling rod is inserted in the clamping slot, the plug component and the socket component are locked. According to the charging gun, by using the structure, the installation and the dismantling are convenient, and the connection efficiency is improved.

The invention discloses an electric connector and a contact piece thereof, and the electric connector comprises a sleeve body which is formed by the winding of a single conductive wire and is providedwith an annular structure for the insertion of a pin; the manufacturing process for winding the sleeve body by utilizing the conductive wire is simple, but the structure of the sleeve body is not limited by the manufacturing process of the conductive wire, so that the sleeve body is convenient to miniaturize and can be suitable for micro electric connection. The sleeve body comprises at least twocontact parts which are connected in sequence, direct connection of the contact parts is achieved, the connecting angles of the two connecting edges of each contact part and the connecting angle between any two adjacent contact parts directly abut against a corresponding jack, other parts are prevented from being additionally arranged, contact resistance is reduced, and the electric connector canbe suitable for large-current transmission. Any contact part comprises two connecting edges, one ends of the connecting edges are connected, the connecting edges are inclined relative to the center line of the sleeve body, each connecting edge is inclined relative to the center line of the sleeve body, the connecting angle abuts against the jack, stability of retention force is guaranteed, and the plugging and unplugging service life is prolonged.

Disclosed is an electric contactor equipped with an inserting pin contact. The electric contactor comprises the inserting pin contact, wherein the inserting pin contact comprises at least one elastic contact element and a conductive inserting pin; accommodating grooves used for mounting the corresponding elastic contact element are formed in the outer wall of the conductive inserting pin; each elastic contact element comprises a plurality of unit spiral rings which are connected end to end in sequence along a trajectory; the unit spiral rings are formed by linear conductive bodies in a winding manner; and the section of the elastic contact element is of a dual-oval structure. According to the electric contactor equipped with the inserting pin contact, the quantity of contact points is doubled; when the section area of the liner conductive bodies is unchanged, the current-carrying capability is doubled; and when the current-carrying capability is unchanged, the section area of the liner conductive bodies is reduced, so that cost is lowered.

The invention relates to a protection type terminal with a two-sided elastic piece and low insertion force. The terminal comprises a square tube; a segmented slot is formed in the middle of the uppertube wall of the square tube; the plane where the segmented slot is located in a first plane; the square tube is symmetric with respect to the first plane; the left end of the bottom of the square tube is connected with two crimping conductor core pins; two crimping conductor sheath pins are arranged on the left sides of the crimping conductor core pins; the two crimping conductor core pins are symmetric with respect to the first plane; the two crimping conductor sheath pins are symmetric with respect to the first plane; two locking plate stop steps are arranged on the left side of the top ofthe square tube; the locking plate stop steps are symmetric with respect to the first plane; a tongue-shaped elastic piece is arranged on each of two side walls of the square tube. According to the terminal, a contact method of adding a bidirectional tongue piece elastic piece structure in the square tube is adopted, so that the plugging life is prolonged by utilizing the elastic force of the tongue piece, and the insertion force is reduced by utilizing the excessive arc chamfering manner of the tongue piece.

Disclosed is an electric connector equipped with an elastic contact element and used between boards. The electric connector comprises a substrate and at least one elastic contact element, wherein each elastic contact element comprises a plurality of unit spiral rings which are connected end to end in sequence along a trajectory; the unit spiral rings are formed by linear conductive bodies in a winding manner; the section of the elastic contact element is of a dual-oval structure; the substrate comprises a board-shaped body and a clamping tongue, and a clamping gap is formed between the board-shaped body and the clamping tongue; and the elastic contact element is clamped in the clamping gap to enable the side part of the elastic contact element to be in contact with the board-shaped body to form electrical connection. By adoption of the electric connector equipped with the elastic contact element provided by the invention, the quantity of contact points is doubled; when the section area of the liner conductive bodies is unchanged, the current-carrying capability is doubled; and when the current-carrying capability is unchanged, the section area of the liner conductive bodies is reduced, so that cost is lowered.

Disclosed is an electric contact equipped with an elastic contact element. The electric contact comprises the elastic contact element; the elastic contact element comprises a plurality of unit spiral rings; the multiple unit spiral units are connected end to end in sequence along a trajectory; the unit spiral rings consist of linear conductive bodies in a surrounding manner; and the section of the elastic contact element is of a dual-oval structure. According to the electric contact equipped with the elastic contact element provided by the invention, the contact point quantity is doubled; when the section area of the liner conductive bodies is unchanged, the current-carrying capability is doubled; and when the current-carrying capability is unchanged, the section area of the liner conductive bodies is reduced, so that cost is lowered.

The invention discloses a heavy-current crowned spring jack, which successively includes an outer cylinder, an inner cylinder and a crowned spring from the outside to the inside. The crowned spring includes a front end ring, a rear end ring and reeds connected between the front end ring and the rear end ring. The front end ring and the rear end ring are provided with fractures that make the headsand tails of the front end ring and the rear end ring to be disconnected. The reeds are arranged at intervals along the circumferential direction of the front end ring. All the reeds are concave toward the center line of the outer cylinder to enclose a waist-shaped structure. The inner cylinder is tightly attached to the crowned spring. The front end ring and the rear end ring are tightly attachedto the inner side wall of the outer cylinder. The inner cylinder has a trend to holding the crowned spring tightly. Compared with the prior art, the invention has the following beneficial effects: after a pin enters, the inner cylinder holds the crowned spring tightly, the crowned spring then holds the pin tightly, so that the holding force on the pin is enhanced and then the pin is not easy to loosen and the heavy current crowned spring jack is especially applicable to oscillating occasions; in addition, with the help of this trend of the inner cylinder body, the insertion and extraction life of the heavy-current crowned spring jack of the invention is greatly prolonged.