17 results about "Screw terminal" patented technology

This utility model relates to the field of terminal block technology and discloses a positionable screw terminal, including a wiring portion and a conductive plate fixed to the lower side of one end of the wiring portion. A copper post is installed through one end of the conductive plate, and a fastening component is embedded in the front side of the wiring portion. A positionable screw terminal connection device includes a rubber plate and a circuit board, which are connected by the positionable screw terminal. This utility model overcomes the problems of inaccurate positioning, misalignment, jamming, and slippage when installing screw terminals on circuit boards by assembling guide chamfers, assembling positioning steps, and interference straight hobbing teeth for installation. The pressure plate in the fastening component squeezes the wire inside the wiring portion, making the wire more securely fixed without deforming the wiring portion. When inspecting or replacing the wire, there is no need to replace the screw terminal. The positioning hook and positioning step make the installation of the screw terminal to the rubber plate and circuit board simpler and more secure.

To enable reduction of an installation area of a terminal board that is fixed to an installation surface using mounting screws.SOLUTION: The present invention is a terminal board 1 including a screw terminal portion 2, a screwless terminal portion, a case 6 having an insertion opening into which an electric wire connected to the screwless terminal portion is inserted, and a conductive bar 7 that electrically connects the screw terminal portion and the screwless terminal portion. The terminal board 1 is configured such that a head portion 211 of a terminal screw 21 of the screw terminal portion is positioned on one end side of the case, and a head portion 51 of a mounting screw 5 used for mounting the terminal board with a mounting surface 62 of the case facing an installation surface is positioned on the other end side of the case.SELECTED DRAWING: Figure 7

Electronic housing (1) with at least one electrical terminal (2) arranged in a recess (3) in the electronic housing (1), wherein the terminal (2) has a terminal housing (7), a first conductor connection element (8) and a first busbar (9), wherein a first conductor entry opening (10) is formed in the terminal housing (7) so that a conductor inserted through the first conductor entry opening (10) can be electrically connected to the first busbar (9) by means of the first conductor connection element (8), characterized by that in the terminal housing (7) of the terminal block (2) a second conductor connection element (11) and a second busbar (12) are arranged, wherein the first conductor connection element (8) is designed as a screw connection and the second conductor connection element (11) as a spring clamp connection, that in the terminal housing (7) of the terminal block (2) a second conductor entry opening (13) is formed on the side opposite the first conductor entry opening (10), so that a conductor inserted through the second conductor entry opening (13) can be electrically connected to the second busbar (12) by means of the second conductor connection element (11), and that the terminal block (2) can be inserted in a first position or in a second position rotated by 180° in the recess (3) in the electronic housing (1), wherein a conductor to be connected can be inserted into the first conductor entry opening (10) in the first position of the terminal block (2) and into the second conductor entry opening (13) in the second position, wherein, depending on the installation position of the terminal block (2) in the electronic housing (1), either only the first conductor connection element (8) or only the second conductor connection element (11) is accessible for connecting the conductor, and wherein the respective other conductor connection element (8, 11) is directed with its conductor entry opening (10, 13) into the interior of the electronic housing (1).

The utility model belongs to the technical field of conductive terminals, and particularly relates to a connector conductive terminal, which comprises a base, side plates are arranged at the top of the base, a terminal part is arranged between the two groups of side plates, a screw is arranged at the top of the terminal part, an arc-shaped plate is movably connected in the terminal part, and the arc-shaped plate is movably connected with the terminal part through a rotating shaft. The top of the arc-shaped plate is fixedly connected with a substrate, the bottom of the substrate is fixedly connected with an extension spring, the surface of the substrate is fixedly connected with a containing block, the inner side of the containing block is fixedly connected with a nut seat, and one end of the screw penetrates through the terminal part and extends into the containing block to be in threaded connection with the nut seat. According to the conductive terminal of the connector, the extension spring pushes the substrate to enable the accommodating block to rise so as to perform preliminary positioning on the wire, so that the position of the wire in the terminal part is more accurate, the problem that the contact area is too small due to position deviation is reduced, and the connector can be more accurately fixed at an ideal position during subsequent screw fixation; and the connection precision is improved.

To provide a testing jig which facilitates connection of a testing plug to a screw type terminal strip.SOLUTION: The test jig 1 according to the present embodiment includes the jig body 4 that is attachable to and detachable from the screw type terminal strip 34. A plug insertion port 11 into which the test plug 72 is inserted is provided on the front surface side of the jig body 4. Movable electrodes 14 and 15 are provided on the rear surface of the jig body 4 at positions where they come into contact with the heads of the screw terminals 41 of the screw type terminal strip 34 when the jig body 4 is attached to the screw type terminal strip 34. At least a part of the movable electrodes 14, 15 is composed of a conductive spring 14. A fixed electrode 12 is provided in the plug insertion port 11. The fixed electrode 12 is electrically connected to the movable electrodes 14 and 15, and is electrically connected to the test plug 72 when the test plug 72 is inserted into the plug insertion port 11.SELECTED DRAWING: Figure 10

The utility model discloses a kind of double screw wiring formula circuit breaker, including circuit breaker, the inside of circuit breaker is equipped with wiring terminal subassembly;The wiring terminal subassembly includes fixed plate, and first chuck and second chuck are equipped on the fixed plate;Screw rod is equipped on the first chuck and the second chuck;The first chuck and the second chuck face the one side of fixed plate is equipped with semicylindrical convex, and the one side of fixed plate facing the convex is also equipped with antiskid groove.Because two chuck are installed on fixed plate, so that the equipment can have two fixed points simultaneously, further make wire under the action of two chuck and can be more stablely fixed in wiring terminal subassembly, to avoid circuit failure and other problems due to poor contact;Especially, fixed plate is equipped with antiskid groove, chuck is equipped with cylindrical convex, so that while guaranteeing wire being reliably fixed also can reduce the clamping injury of chuck and fixed plate to wire.

The utility model discloses a kind of firm terminal plug, it includes terminal seat, front inner shell, front shell, tail shell, front lock cap, rear lock cap, tail rubber sleeve, upper half lock hoop, lower half lock hoop and locking screw, terminal seat is located in front inner shell, front shell is sleeved on front inner shell to form annular slot, for inserting corresponding component.Tail shell front end is connected with front inner shell through front lock cap, tail rubber sleeve front end is connected with tail shell tail end through rear lock cap, the connecting lug of rear lock cap both sides is connected with upper half lock hoop, lower half lock hoop by locking screw, to hold fixedly tail rubber sleeve, so that tail rubber sleeve contraction is closely connected with cable, avoid cable tension direct action in the connecting place of cable and terminal, effectively solve the problem that traditional terminal plug is without fixed structure due to shell and cable, lead to cable back and forth to pull and make connecting place loose or disengagement, greatly improve the working stability and reliability of terminal plug, reduce the risk of electrical signal or power interruption, and long service life.

The application provides a connecting piece of a special connecting line of a hand controller, which is connected with a screw terminal of a terminal. The connecting piece of the special connecting line of the hand controller comprises a magnetic component, a push rod device and a shell. The magnetic component comprises a magnet body and a first conductive piece arranged at one end of the magnet body, and the other end of the first conductive piece is provided with a conductive connector. The push rod device abuts against the magnetic component. The shell is used for containing the magnetic component and the push rod device, and one end of the shell is provided with a first opening, and the other end of the shell is provided with a second opening. The end of the push rod device away from the magnetic component extends out of the second opening of the shell, and when the extended part of the push rod device is pressed, the end of the magnetic component away from the push rod device can extend out of the first opening of the shell to contact a second conductive piece to realize electrical connection between the first conductive piece and the second conductive piece. The application realizes electrical connection by using the magnetism and conductivity of the magnet, and realizes test connection safely and conveniently.

The utility model belongs to the technical field of connectors, and particularly relates to a screw terminal connector which comprises a connector body, a wiring end and a nut insert, an assembly cavity is arranged in the nut insert and communicated with a through hole, a clamping block with teeth is arranged in the hole in a sliding mode, a driving rod is in linkage with the clamping block, and when a screw is screwed in, the driving rod drives the clamping block to rotate. The driving rod pushes the clamping block, clamping block teeth to be embedded into the screw and multiple sets of equidistantly-distributed auxiliary fixing mechanisms to apply force in all directions according to cooperation of the inclined faces, the screw is effectively prevented from loosening, rotating or disengaging, the connection stability and reliability are greatly improved, stable current transmission can be guaranteed even under extreme working conditions such as strong vibration and frequent impact, and the service life of the screw is prolonged. Compared with the prior art, the clamping block and the driving rod are reset through the tension spring, dismounting and re-mounting are convenient, the problems that a screw is prone to loosening, stress is uneven, and the fastening effect is poor are solved, and a solid guarantee is provided for reliable operation of electronic equipment.

A controllable electrical outlet may be used to control one or more standard electrical outlets. The controllable electrical outlet may include a first connection configured to be electrically coupled to a hot connection, a second connection configured to be electrically coupled to a standard electrical outlet, and a third connection configured to be electrically coupled to a neutral connection. The controllable electrical outlet may also include a load control circuit, a communication circuit, and a control circuit. The load control circuit may be electrically coupled in series between the first and second screw terminals to control power delivered to the standard electrical outlet, and the control circuit may be coupled to the load control circuit and the communication circuit. The control circuit may be configured to control power delivered to the standard electrical outlet in response to a wireless signal received via the communication circuit.

The utility model relates to the technical field of control switches, and provides a touch panel switch capable of preventing a terminal from falling off, which comprises a rear cover, a connecting column is arranged in the rear cover, a screw terminal is sleeved in the connecting column, the screw terminal is in threaded connection with the connecting column, at least one first through groove is arranged on one side of the rear cover, and a second through groove is arranged on the other side of the rear cover. The top of the screw terminal cannot penetrate through the first through groove, the overlook orthographic projection of the first through groove is in a convex interference moon shape, the shortest diameter of the first through groove is smaller than the diameter of the top of the screw terminal, the screw terminal is provided with a vertical section, the vertical section is provided with a thread in threaded connection with the connecting column, and the connecting column is connected with the screw terminal in a threaded mode. According to the utility model, when the screw terminal is screwed, the top of the screw terminal is clamped at the edge of the first through groove, cannot pass through the first through groove on the rear cover and cannot be separated from the connecting column, so that a user does not need to worry that the screw terminal falls off accidentally, and the maintenance cost and potential safety hazards are reduced.

The present application relates to the technical field of automatic assembly equipment of leakage protection plug, in particular to a screw terminal assembly system, comprising a working box frame, the top surface of the front half of the working box frame forms a feeding workbench surface; a step is arranged on the top surface of the front half of the working box frame; a combined feeding assembly is arranged on the feeding workbench surface; from right to left, a nut pressing mechanism, a nut detection mechanism, a screw detection mechanism, a screw twisting mechanism, a discharging mechanism, a turnover mechanism and a screw knob presence / absence detection mechanism are sequentially arranged on the step; the common conveying mechanism is arranged on the top surface of the front part of the step and behind the feeding mechanism assembly; it has the advantages that the above mechanisms can be automatically operated by a PLC controller, so as to reduce the operating workers on the assembly line and greatly improve the production efficiency per unit time.

The invention relates to the technical field of equipment maintenance, and discloses a screwdriver for measuring contact resistance and a measuring method.The screwdriver comprises a screwdriver body, a replaceable conductive tool bit is arranged at the front end of the screwdriver body, an internal driving shaft is connected with the replaceable conductive tool bit, and an expansion line interface is further formed in the screwdriver body; a torque unit, a processing control unit, a voltage detection unit and a current source are integrated in the screwdriver body, and the processing control unit is in communication connection with the torque unit, the current source and the voltage detection unit. According to the invention, the existing wiring harness of the maintained equipment is utilized to form a measurement loop, an additional complex test wire clamp is not needed, the method is especially suitable for a field maintenance scene of intensive terminal strips such as a PLC module, and convenient and independent measurement of inner and outer side contact points of a double-screw terminal is supported.

A controllable electrical outlet may be used to control one or more standard electrical outlets. The controllable electrical outlet may include a first connection configured to be electrically coupled to a hot connection, a second connection configured to be electrically coupled to a standard electrical outlet, and a third connection configured to be electrically coupled to a neutral connection. The controllable electrical outlet may also include a load control circuit, a communication circuit, and a control circuit. The load control circuit may be electrically coupled in series between the first and second screw terminals to control power delivered to the standard electrical outlet, and the control circuit may be coupled to the load control circuit and the communication circuit. The control circuit may be configured to control power delivered to the standard electrical outlet in response to a wireless signal received via the communication circuit.

The embodiment of the present application provides a kind of auxiliary fixture and the method for testing screw rod lead-out type capacitor.The auxiliary fixture includes: the fixture body made of first conductive material, the lower part of the fixture body is provided with screw hole, the screw hole is suitable for being engaged with the lead-out screw terminal of the capacitor by thread, the upper part of the fixture body is provided with clamping block;Spring leaf made of second conductive material, the spring leaf is sleeved on the clamping block, and forms the limiting groove pair suitable for stopping the test clamp when the clamping block is clamped by test clamp.The embodiment of the present application can avoid the measurement error caused by the shaking of measurement clamp and the change of measurement position due to human in the test process of screw rod lead-out type capacitor, can effectively improve the consistency of key parameters such as equivalent series resistance test, and improve test efficiency.