EP3891846A2 - Federanschlussklemme - Google Patents
FederanschlussklemmeInfo
- Publication number
- EP3891846A2 EP3891846A2 EP19809624.0A EP19809624A EP3891846A2 EP 3891846 A2 EP3891846 A2 EP 3891846A2 EP 19809624 A EP19809624 A EP 19809624A EP 3891846 A2 EP3891846 A2 EP 3891846A2
- Authority
- EP
- European Patent Office
- Prior art keywords
- lever
- bearing
- clamping
- spring
- busbar
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Pending
Links
- 239000004020 conductor Substances 0.000 claims abstract description 137
- 238000011161 development Methods 0.000 description 65
- 230000018109 developmental process Effects 0.000 description 65
- 238000003780 insertion Methods 0.000 description 25
- 230000037431 insertion Effects 0.000 description 25
- 239000002184 metal Substances 0.000 description 7
- 229910052751 metal Inorganic materials 0.000 description 7
- 238000007373 indentation Methods 0.000 description 4
- 230000013011 mating Effects 0.000 description 4
- 229910000639 Spring steel Inorganic materials 0.000 description 3
- 238000010292 electrical insulation Methods 0.000 description 2
- 239000012777 electrically insulating material Substances 0.000 description 2
- 239000011810 insulating material Substances 0.000 description 2
- 238000009413 insulation Methods 0.000 description 2
- 239000000463 material Substances 0.000 description 2
- RYGMFSIKBFXOCR-UHFFFAOYSA-N Copper Chemical compound [Cu] RYGMFSIKBFXOCR-UHFFFAOYSA-N 0.000 description 1
- 229910000881 Cu alloy Inorganic materials 0.000 description 1
- 238000005452 bending Methods 0.000 description 1
- 230000015572 biosynthetic process Effects 0.000 description 1
- 229910052802 copper Inorganic materials 0.000 description 1
- 239000010949 copper Substances 0.000 description 1
- 230000001419 dependent effect Effects 0.000 description 1
- 238000006073 displacement reaction Methods 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 230000007613 environmental effect Effects 0.000 description 1
- 238000001746 injection moulding Methods 0.000 description 1
- 238000004519 manufacturing process Methods 0.000 description 1
- 230000007935 neutral effect Effects 0.000 description 1
- 238000004080 punching Methods 0.000 description 1
- 239000007787 solid Substances 0.000 description 1
- 239000012780 transparent material Substances 0.000 description 1
Classifications
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01R—ELECTRICALLY-CONDUCTIVE CONNECTIONS; STRUCTURAL ASSOCIATIONS OF A PLURALITY OF MUTUALLY-INSULATED ELECTRICAL CONNECTING ELEMENTS; COUPLING DEVICES; CURRENT COLLECTORS
- H01R4/00—Electrically-conductive connections between two or more conductive members in direct contact, i.e. touching one another; Means for effecting or maintaining such contact; Electrically-conductive connections having two or more spaced connecting locations for conductors and using contact members penetrating insulation
- H01R4/28—Clamped connections, spring connections
- H01R4/48—Clamped connections, spring connections utilising a spring, clip, or other resilient member
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01R—ELECTRICALLY-CONDUCTIVE CONNECTIONS; STRUCTURAL ASSOCIATIONS OF A PLURALITY OF MUTUALLY-INSULATED ELECTRICAL CONNECTING ELEMENTS; COUPLING DEVICES; CURRENT COLLECTORS
- H01R4/00—Electrically-conductive connections between two or more conductive members in direct contact, i.e. touching one another; Means for effecting or maintaining such contact; Electrically-conductive connections having two or more spaced connecting locations for conductors and using contact members penetrating insulation
- H01R4/28—Clamped connections, spring connections
- H01R4/48—Clamped connections, spring connections utilising a spring, clip, or other resilient member
- H01R4/4809—Clamped connections, spring connections utilising a spring, clip, or other resilient member using a leaf spring to bias the conductor toward the busbar
- H01R4/4828—Spring-activating arrangements mounted on or integrally formed with the spring housing
- H01R4/48365—Spring-activating arrangements mounted on or integrally formed with the spring housing with integral release means
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01R—ELECTRICALLY-CONDUCTIVE CONNECTIONS; STRUCTURAL ASSOCIATIONS OF A PLURALITY OF MUTUALLY-INSULATED ELECTRICAL CONNECTING ELEMENTS; COUPLING DEVICES; CURRENT COLLECTORS
- H01R9/00—Structural associations of a plurality of mutually-insulated electrical connecting elements, e.g. terminal strips or terminal blocks; Terminals or binding posts mounted upon a base or in a case; Bases therefor
- H01R9/22—Bases, e.g. strip, block, panel
- H01R9/24—Terminal blocks
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01R—ELECTRICALLY-CONDUCTIVE CONNECTIONS; STRUCTURAL ASSOCIATIONS OF A PLURALITY OF MUTUALLY-INSULATED ELECTRICAL CONNECTING ELEMENTS; COUPLING DEVICES; CURRENT COLLECTORS
- H01R13/00—Details of coupling devices of the kinds covered by groups H01R12/70 or H01R24/00 - H01R33/00
- H01R13/02—Contact members
- H01R13/28—Contacts for sliding cooperation with identically-shaped contact, e.g. for hermaphroditic coupling devices
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01R—ELECTRICALLY-CONDUCTIVE CONNECTIONS; STRUCTURAL ASSOCIATIONS OF A PLURALITY OF MUTUALLY-INSULATED ELECTRICAL CONNECTING ELEMENTS; COUPLING DEVICES; CURRENT COLLECTORS
- H01R9/00—Structural associations of a plurality of mutually-insulated electrical connecting elements, e.g. terminal strips or terminal blocks; Terminals or binding posts mounted upon a base or in a case; Bases therefor
- H01R9/22—Bases, e.g. strip, block, panel
- H01R9/24—Terminal blocks
- H01R9/2491—Terminal blocks structurally associated with plugs or sockets
Definitions
- the present invention relates to a spring terminal for electrical conductors.
- a spring terminal which can also be referred to as a conductor terminal, with a housing, a pivoting lever, a current bar accessible via an insertion opening of the housing and a clamping spring is known, for example, from DE 10 2015 104 625 Al.
- the pivoting lever of the conductor connection terminal has an axis strut which is rotatably mounted in the housing and about which the pivoting lever can be pivoted between its open position and closed position. Between an actuating handle and a pusher element of the pivot lever, a receiving opening of the pivot lever is formed, through which a holding leg and a clamping leg of the clamping spring pass are.
- DE 10 2016 116 966 A1 relates to a spring-loaded terminal connection with at least one clamping spring for clamping an electrical conductor to the spring-loaded terminal connection.
- the spring force clamping connection has an actuating element for opening a clamping point for the electrical conductor, which is formed at least in part by means of a clamping edge of the clamping spring.
- the actuating element has a spring engagement area which is set up to deflect an actuating section of the clamping spring at least when the clamping point is opened.
- the actuating element is supported on a support section of the clamping spring with respect to the force of the clamping spring acting on the spring engagement area.
- the invention is based on the object of creating a spring terminal which is as improved as possible.
- a spring connection terminal is provided for connecting an electrical conductor.
- the spring terminal has a busbar and a clamping spring and a housing and a lever.
- the busbar and the clamping spring and the lever are at least partially received in the housing.
- the lever has a first bearing disk with a first part-circular outer contour for mounting the lever in a first counter bearing.
- the lever has a second bearing disc with a second part-circular
- the second bearing plate is spaced from the first bearing plate.
- the lever has an operating handle.
- the operating handle is with the first one Bearing plate and connected to the second bearing plate.
- the clamping spring has a clamping leg.
- the clamping leg forms a clamping point with the busbar for clamping the electrical conductor to the busbar.
- the lever has a driver.
- the driver is formed when pivoting the lever for moving the clamping leg from a closed position to an open position.
- the driver is designed as a strut.
- the strut is advantageously arranged between the first bearing plate and the second bearing plate.
- the strut connects the first bearing plate to the second bearing plate.
- the strut between the first bearing plate and the second bearing plate has a constant cross-sectional shape.
- the strut is particularly preferably formed in one piece.
- the strut can consist of two parts, a first part of the strut being formed on the first bearing disk and a second part of the strut being formed on the second bearing disk.
- the lever has a U-shape which is closed by the strut, the actuating handle forming the base of the U-shape and the webs forming the legs of the U-shape.
- Bearing washers are formed at the free ends of the webs.
- the strut closes the U-shape by connecting the two bearing disks to each other through the strut.
- the first bearing disc has a radius that is greater than a thickness of the first bearing disc.
- the first bearing disk advantageously has a diameter that is larger than a diameter of a conductor guide channel to the clamping point.
- the second bearing disc has a radius on, which is greater than a thickness of the second bearing plate.
- the second bearing disk advantageously has a diameter that is larger than a diameter of a conductor guide channel to the clamping point.
- Bearing washer and the second bearing washer formed in one piece.
- the first bearing plate and the second bearing plate and the driver are molded in one piece from a plastic part by injection molding.
- the entire lever is advantageously formed in one piece.
- the driver is at least partially arranged within the circular shape of the first bearing disk.
- the circular shape is formed by a part-circular outer contour of the first bearing washer. Outside the part-circular outer contour, the shape of the first bearing disk can deviate from a circle and can have, for example, an eccentric or an oval or elliptical shaped section.
- the driver is arranged at least partially within the circular shape of the second bearing disk.
- the circular shape is formed by a partially circular outer contour of the second bearing washer. Outside the part-circular outer contour, the shape of the second bearing disc can be one
- Deviate circle and have, for example, an eccentric or an oval or elliptical shaped section.
- the first part-circular outer contour of the first bearing washer and the second part-circular outer contour of the second bearing washer define an axis of rotation of the lever when the lever is actuated from the closed position to the open position.
- the driver is advantageously arranged outside a space between the busbar and a plane parallel to it through the axis of rotation. The driver is thus in the open position and
- the closed position is advantageously arranged outside the conductor guide channel.
- An inserted conductor does not collide with the driver.
- the driver has no management function to guide the leader.
- the first define part-circular Outer contour of the first bearing washer and the second part-circular outer contour of the second bearing washer an axis of rotation of the lever when the lever is actuated from the closed position to the open position.
- the driver has a curved surface. The driver is advantageously arranged and shaped in such a way that when the lever is actuated, the distance of the area of the surface in contact with the clamping leg from the axis of rotation changes.
- the lever is preferably designed for giving away with an exclusively rotary or predominantly rotary movement.
- the distance to the axis of rotation in the open position is greater than in the closed position.
- the driver has a predominantly oval or predominantly elliptical cross-sectional shape.
- first part-circular outer contour of the first bearing washer and the second part-circular outer contour of the second bearing washer an axis of rotation of the lever when the lever is actuated from the closed position to the open position.
- the driver advantageously extends from the first bearing plate to the second bearing plate predominantly parallel to the axis of rotation.
- the driver it is possible for the driver to be designed in two parts or in several parts.
- the parts of the driver advantageously extend predominantly parallel to the axis of rotation.
- a conductor guide channel for receiving the conductor in the region of the first bearing plate and the second bearing plate is formed by a space between the first bearing plate and the second bearing plate.
- the space on at least one side is through the
- the clamping spring has a spring arch and a contact leg.
- the clamping leg is connected to the contact leg via the spring arch.
- the spring arch can also act as a spring root be designated.
- the driver is arranged between the contact leg and the clamping leg. According to an advantageous development, the driver is arranged closer to the contact leg in the closed position than in the open position.
- the contact leg of the clamping spring has a first web and a second web.
- the first web and the second web delimit an opening in the contact leg.
- a spring terminal for connecting an electrical conductor has a busbar and a clamping spring and a housing and a lever.
- the busbar and the clamping spring and the lever are at least partially received in the housing.
- the lever has a first bearing disk with a first outer contour for mounting the lever in a first counter bearing.
- the lever has an actuating handle which is connected to the first bearing disc.
- the clamping spring has a clamping leg.
- the clamping leg forms a clamping point with the busbar for clamping the electrical conductor to the busbar.
- the lever has a driver which is formed when the lever is pivoted to move the clamping leg from a closed position into an open position.
- the first counter bearing is designed to absorb the force of the clamping spring.
- the lever has a first pin projecting axially from the first bearing disk.
- the pin is arranged in a receptacle of the housing. The pin positions the lever when the driver is not in contact with the clamping leg of the clamping spring.
- the first pin has a thickness that is smaller than a thickness of the first bearing washer.
- the first pin has a radius that is smaller than a radius of the first bearing washer.
- the first counter-bearing has a first section of the busbar and / or a first section of the clamping spring, which are designed to absorb the force of the clamping spring when the clamping leg rests on the driver.
- the first bearing washer lies loosely on the first counterbearing if the clamping leg is not in contact with the driver and the lever is positioned within the housing by the first pin and the receptacle.
- the width of the spring terminal is determined solely by the sum of the thicknesses of outer walls adjacent to the first bearing plate and the second bearing plate, by the thicknesses of the first bearing plate and the second bearing plate, and by the width of the space between the first bearing plate and the second bearing plate Are defined.
- the clamping spring has a spring arch and a contact leg.
- the clamping leg is connected to the contact leg via the spring arch.
- the spring connection terminal has exactly one clamping leg, which is connected to the spring arch. This enables a compact design to be achieved.
- the clamping leg and the contact leg are essentially parallel to one another in one area. The area is adjacent to the spring arch.
- the clamping leg rests with a clamping edge under prestress on the conductor rail. In the closed position, a free end of the clamping leg advantageously has the clamping edge in the direction of the contact leg.
- a radius of the first bearing disk is larger than a thickness of the bearing disc, so that the first bearing disc slides on its outer contour for bearing (running surface).
- the lever can be pivoted for actuation.
- the lever for actuation can be moved predominantly in translation.
- the first counter bearing and / or the second counter bearing is advantageously designed for translatory movement of the lever. If the user presses on the actuating section, for example, the lever slides into the open position in a predominantly translatory movement for moving the clamping leg.
- the first counter bearing and / or the second counter bearing is also designed to pivot the lever, so that actuation of the lever in a predominantly rotary movement moves the clamping leg into the open position.
- the first counter bearing has a first one
- the bearing shell is formed at least from a first section of the busbar and a first section of a contact leg of the clamping spring.
- the second counter bearing has a second one
- the second bearing shell is formed at least from a second section of the busbar and a second section of the contact leg of the clamping spring.
- the first section of the busbar and the first section of the contact leg are arranged at an obtuse angle to form the first bearing shell.
- the second section of the busbar and the second section of the contact leg are at an obtuse angle to
- the first bearing shell and / or the second bearing shell has at least one straight section and / or at least one part-circular section.
- a section of the power rail at least partially straight and / or at least partially part-circular.
- a section of the contact leg of the clamping spring is at least partially straight and / or at least partially part-circular.
- a contact leg of the clamping spring has an opening for feeding the electrical conductor through the opening to the clamping point.
- the opening extends at least over the height and width of the conductor with a diameter approved for the spring connection terminal.
- the opening advantageously extends into the spring arch. This makes it possible, for example, to integrate additional functions in the spring connection terminal, for example to carry out a pusher through the opening.
- the opening is closed by the
- Opening is surrounded on all sides by the material of the clamping spring.
- the opening in the clamping spring is created by punching out.
- the contact leg of the clamping spring has a first web and a second web.
- the first web and the second web advantageously limit the opening in the contact leg.
- the first web forms a support for the first bearing disk of the lever.
- the first web is therefore part of the first counter bearing and forms part of the first bearing shell.
- the second web forms a support for a second bearing disk of the lever.
- the second web is thus part of the second counter bearing and forms part of the second bearing shell.
- the housing has a first guide wall and / or a second guide wall of a conductor guide channel.
- the conductor guide channel leads the electrical conductor to the terminal point.
- the electrical conductor is inserted into the conductor guide channel from the outside through a conductor opening.
- the first guide wall advantageously ends at the opening in the contact leg, for example the first guide wall adjoins the first one Opening-defining first web.
- the second guide wall advantageously ends at the opening in the contact leg, for example the second guide wall borders on the second web delimiting the opening. It is also possible for the first guide wall and / or the second guide wall to pass through the opening in the contact leg.
- the housing has a base body and a cover. The first guide wall and / or the second guide wall is advantageously formed in the cover of the housing.
- the first bearing shell has a first conductor rail wall section of the conductor rail with a part-circular shape
- the second bearing shell has a second busbar wall section of the busbar with a part-circular shape
- a conductor guide channel for receiving the conductor in the region of the first bearing plate and the second bearing plate is formed by a space between the first bearing plate and the second bearing plate. The space is delimited on at least one side by the busbar.
- the busbar has a first fork prong of a fork contact and the clamping spring has a second fork prong of the fork contact.
- the contact leg and the second fork tine are preferably formed in one piece from spring steel.
- the second fork tine is shaped in such a way that the second fork tine rests against the first fork tine without an inserted contact knife, in particular under pretension.
- the contact leg of the clamping spring rests on the conductor rail on a side opposite the clamping point.
- the busbar has one
- the contact section with the clamping point on a connecting section and a first prong of a fork contact can also be referred to as the bottom section.
- connection section the contact section with the first fork.
- the contact section and the connecting section and the first fork prong are advantageously formed in one piece from a metal part.
- the connecting section is the
- Busbar mainly formed perpendicular to the contact section.
- the connecting section is the
- Busbar mainly formed perpendicular to the first fork.
- the clamping spring is on the
- the clamping spring preferably has a first bearing element for bearing on a side of the connecting section facing the clamping point and / or a second bearing element for bearing on a side of the connecting section facing away from the clamping point.
- the first bearing element and / or the second bearing element are advantageously formed in one piece from the contact leg.
- the first bearing element and / or the second bearing element is advantageously formed by an opening of a tab from the contact leg.
- the first bearing element and / or the second bearing element is formed by an edge of a tab.
- the first define part-circular
- the lever can be pivoted back in a counter-rotating movement from the open position to the closed position.
- the driver is preferably in the open position and in the closed position outside a space between the busbar and one arranged parallel plane through the axis of rotation. In this way, the driver is advantageously arranged outside the conductor guide channel in the open position and closed position. An inserted conductor does not collide with the driver. The driver has no management function to guide the leader.
- the first partially circular outer contour of the first bearing disk and / or the second partially circular outer contour of the second bearing disk define an axis of rotation of the lever when the lever is pivoted from the closed position into the open position.
- the driver has a curved surface. The driver is advantageously arranged and shaped such that when the lever is pivoted, the distance between the region of the surface and the axis of rotation that is in contact with the clamping leg changes. The distance to the axis of rotation in the open position is advantageously greater than in the closed position.
- the driver has a predominantly oval or predominantly elliptical cross-sectional shape.
- the first bearing disk is guided axially through a first outer wall of the housing.
- the axial guidance of the first bearing washer is formed exclusively by the first outer wall.
- the second bearing disk is guided axially through a second outer wall of the housing.
- the axial guidance of the second bearing washer is formed exclusively by the second outer wall.
- An outer wall is to be understood as a wall of the spring connection terminal that electrically insulates the electrical contact insert from the busbar and clamping spring from the outside.
- an outer wall is also to be understood as a wall which electrically insulates two contact inserts arranged next to one another. Each contact insert is associated with a spring connection terminal, and the housing of two spring connection terminals can be formed in one piece. It is possible for the same wall to function as the outer wall of two adjacent spring terminals.
- the first bearing shell has the first section of the busbar and the first section of the contact leg and a first section of the housing.
- the first bearing shell is formed by three different parts.
- the second bearing shell has the second section of the busbar and the second section of the contact leg and a second section of the housing.
- the second bearing shell is formed by three different parts. This enables the functions of the guide and the application of force to be divided and a compact spring terminal to be created.
- the housing has a receiving part with an interior for receiving at least the busbar and a cover.
- the lid closes an opening of the
- a conductor guide channel for receiving the electrical conductor in the region of the first bearing plate and second bearing plate is at least partially formed by a space between the first bearing plate and the second bearing plate.
- the space can be limited by the busbar in the floor area.
- a first housing guide wall of the conductor guide channel and a first inner side of the first bearing disk facing the electrical conductor are at least in the conductor insertion direction.
- a second housing guide wall of the conductor guide channel and a first inner side of the first bearing disk facing the electrical conductor are at least in the conductor insertion direction.
- the surfaces are aligned within the scope of the manufacturing tolerances if there is a maximum edge between them that does not hinder the insertion of the conductor in the direction of the conductor insertion.
- the first or second inner side of the first or second bearing disk jumps back relative to the first or second housing guide wall.
- the first web of the contact leg adjoins the first guide wall in the direction of insertion of the conductor.
- the first bearing disc directly adjoins the first web in the direction of insertion of the conductor.
- the second web of the contact leg directly adjoins the second guide wall in the direction of insertion of the conductor.
- the second bearing disc directly adjoins the second web in the direction of insertion of the conductor.
- FIG. 1 shows an embodiment with a spring terminal in a sectional view
- Figure 2 shows the embodiment of Figure 1 in the open position
- Figure 4 shows an embodiment of a contact insert of a spring terminal
- Figure 5 shows an embodiment of a busbar of a spring terminal
- FIG. 6 shows an exemplary embodiment of a clamping spring of a spring connecting terminal with a relaxed clamping leg
- FIG. 7 shows an exemplary embodiment of a clamping spring of a spring connecting terminal with a deflected clamping leg
- Figure 8 shows an embodiment with a spring terminal in the sectional view
- Figure 9 shows an embodiment with a spring terminal in side view
- Figure 9a shows an embodiment with a spring terminal in partial section
- Figure 9b shows an embodiment with a spring terminal in sectional view
- Figure 10 shows an embodiment with a spring terminal in a three-dimensional view
- FIG. 1 an embodiment with a spring terminal 1 is shown schematically in a sectional view.
- the spring terminal 1 can also be referred to as a spring-loaded terminal.
- a housing 300 is shown in which a busbar 100 and a lever 400 and a clamping spring 200 are received.
- the electrically conductive components 100, 200 are preferably completely accommodated in the housing 300 from an insulating material, for example plastic. If the spring terminal is only approved for low voltage (up to 42V), electrically conductive parts can protrude from the housing 300.
- the lever 400 is partially accommodated in the housing 300 and has an actuating handle 490 which protrudes from the housing 300 for manual actuation.
- the lever 400 Due to the sectional view, approximately through the middle of a conductor guide channel LF, the lever 400 is partially hidden in the view by the housing 300.
- the lever 400 has a first bearing disk 410 with a first part-circular outer contour 411 for mounting the lever 400 in a first counter bearing 510.
- the actuating handle 490 is connected to the first bearing plate 410 via a web 415 (shown partially hidden).
- the first bearing plate 410 in the exemplary embodiment in FIG. 1 has the part-circular outer contour 411 with which the first bearing plate 410 is mounted radially.
- the clamping spring 200 has a clamping leg 210, which with the Busbar 100 forms a clamping point K for clamping an electrical conductor 2 to the busbar 100.
- the busbar 100 In the area of the clamping point K, the busbar 100 has a bulge 134 in order to increase the surface pressure and to minimize the electrical contact resistance.
- the lever 400 has a driver 430 which, when the lever 400 is pivoted, is designed to move the clamping leg 210 from a closed position GS into an open position OS. In Figure 1, lever 400 and clamping leg 210 are shown in the closed position GS. In contrast, the lever 400 and the clamping leg 210 are shown in the open position OS in Figure 2.
- the clamping leg can be moved from the open position OS to the closed position GS. If an electrical conductor 2 is inserted beforehand, the clamping leg 210 meets conductor 2 in the movement from the open position OS and clamps this conductor 2 against the busbar 100. The lever 400 then continues in the direction
- the components 410, 415, 430, 490 of the lever 400 are advantageously molded in one piece from plastic.
- the first bearing plate 410 is mounted radially in the counter bearing 510.
- the counter bearing 510 is formed in combination of at least a section of the busbar 100 and at least a section of the clamping spring 200. This makes it possible for the spring force F spring introduced into the bearing disk 410 via the driver 430 to be partly released onto the busbar 100 and partly onto the clamping spring 200.
- the outer contour 411 of the first bearing washer 410 slides on a bottom section 130 of the busbar 100.
- the outer contour 411 slides on a busbar wall section 110 with a part-circular inner contour 111.
- the geometry of the part-circular inner contour 111 of the busbar wall section 110 is advantageously adapted to the outer contour 411 of the first bearing plate 410.
- the clamping spring 200 has the clamping leg 210 and a contact leg 220 and a spring arch 230 connecting the clamping leg 210 and the contact leg 220.
- the contact leg 220 extends from the spring arch 230 to the busbar 100 and further below the busbar 100.
- the contact leg 220 bears against the busbar 100.
- the contact leg 220 of the clamping spring 200 advantageously lies on the side of the busbar 100 opposite the clamping point K.
- FIG. 2 also shows that an extension 255 of the contact leg 220 of the clamping spring 200 is exposed and projects into an opening in the busbar to form a fastening point.
- System leg 220 a wall that limits a maximum insertion depth of the conductor 2.
- the contact leg 220 of the clamping spring 200 has an opening 229 which faces the clamping point K.
- the conductor 2 is led to the clamping point K through the opening 229.
- the opening 229 is delimited by the illustrated web 221 of the contact leg 220, the first bearing disk 410 being mounted on the web 221 of the contact leg 220.
- the web 221 of the contact leg 220 is therefore part of the first counter bearing 510.
- a housing wall 331 laterally delimits the conductor guide channel LF, so that a conductor 2, which is from the insertion side
- the housing wall 331, web 221 and inside 412 are designed and arranged in such a way that no edge in the insertion direction ER
- Head 2 opposes. Ideally, housing wall 331 and web 221 and inside 412 are aligned in the direction of insertion ER.
- the spring connection terminal 1 is designed for plugging a solid conductor 2 directly.
- the conductor 2 is inserted through the conductor guide channel LF up to the clamping leg 210 and deflects the clamping leg 210 against the spring force F spring by the feed force.
- the clamping leg 210 and the contact leg 220 are predominantly arranged in parallel in the closed position GS.
- the clamping leg 210 deviates from an exact mathematical parallelism to the contact leg 220 by less than 15 °. This can make a big one
- Clamping force can be achieved by the clamping spring 200 and at the same time a compact design.
- the housing 300 has a first housing part 340 and a second housing part 360 which are to be fastened to one another.
- the first housing part 340 forms a base body 340 with an interior 345.
- the busbar 100 and the clamping spring 200 are accommodated in the interior 345.
- the second housing part 360 forms a cover 360.
- the cover 360 of the housing 300 is received in the interior 345, the cover 360 closing the interior 345.
- the cover 360 has the wall 331 of the conductor guide channel LF.
- the cover 360 is fastened to the base body 340 of the housing 300 by fastening elements 361, 367.
- the fastening elements 361, 367 are designed for a positive fit.
- the lever 400 has an actuating handle 490 and a first web 415 and a second web 425, which are connected to the actuating handle 490, so that an intermediate space is formed between the first web and the second web by the clamping leg 210 and a housing web 380 of the first housing part 340 are arranged.
- Housing web 380 penetrates the space.
- the housing web 380 has
- Fastening element 348 for fastening to the second housing part 360, the cover 360.
- the fastening element 348 of the housing web 380 is designed as an undercut 348 to which a latching hook 363 of the cover 360 is assigned.
- the housing web 380 has a fastening element 343 for fastening to the cover 360.
- the Fastening element 343 of the housing web 380 is designed as a latching hook 343.
- the cover 360 has an undercut 366 that matches the latching hook 343.
- Fastening elements 361, 362 are designed as latching elements or associated edges.
- the housing web 380 passes through the space between the first web 415 and the second web 425 of the lever 400.
- the clamping leg 210 of the clamping spring 200 extends through the space between the first web 415 and the second web 425.
- the space between the webs 415, 425 and the bearing washers 410, 420 at the free ends of the webs 415, 425 is used synergistically in a confined space by the housing web 380, the clamping leg 210 and the driver 430, so that a particularly compact arrangement can be achieved can.
- FIG. 2 shows that the housing web 380 in the region of the clamping spring 200 has a thickness that is at least 1.3 mm between the clamping spring 200 and a contactable one
- the busbar 100 has, in addition to the base section 130, which acts as a contact section, a fork contact 160 with a first fork prong 163 and a second fork prong 164.
- the first fork 163 and the second fork 164 are connected to one another in a fixed manner by a connecting wall 165.
- the bottom section 130, first and second fork tines 163, 164 and the connecting wall 165 are advantageously formed in one piece from a piece of metal, for example by stamping bending.
- Fork contact 160 is arranged in a mating face 370 of the housing 300.
- the mating face 370 has an opening 371 leading to the fork contact 160 for a contact knife (not shown).
- the spring connection terminal 1 can have a contact knife (not shown) which is integral with the bottom section 130 of the busbar 100 is formed.
- lever 400 and clamping leg 210 are shown in the open position OS in a sectional view.
- the clamping leg 210 is deflected in the open position OS.
- the spring force F spring acts on the driver and is directed approximately through the pivot point D.
- the pivot point D is defined by the part-circular outer contour 411 of the first bearing plate 410.
- the lever 400 is held in an over-center position.
- the first part-circular outer contour 411 of the first bearing disk 410 defines an axis of rotation D of the lever 400 when the lever 400 is pivoted from the closed position GS to the open position OS.
- the driver 430 has a curved surface 435, so that when the lever 400 is pivoted, the distance d of the area in contact with the clamping leg 210
- the driver 430 is positioned closer to the free end of the clamping leg 210 in the open position OS than in the closed position GS in FIG. 1.
- the spring force F spring increases with the deflection of the clamping leg 210 of the clamping spring 200, and at the same time a lever arm length between the contact area of the driver 430 with the clamping leg 210 and the spring arch 230 also increases. Both effects are partially compensated for, so that the user has a smaller increase in lever actuation force when pivoting
- a clamping edge 211 is formed, which is positioned at an incline of the busbar, so that a conductor 2 into the conductor collecting pocket AT formed by busbar 100 and tab 255 is first led from the clamping leg 210 and immediately thereafter through the busbar 100 becomes.
- the conductor 2 is also guided in the insertion direction ER on the floor opposite through the bottom section 130 of the busbar 100 and also laterally.
- the guide can also Multi-wire conductors or strands with many individual conductors can be connected using the spring terminal 1.
- FIGS. 1 and 2 An embodiment is not shown in FIGS. 1 and 2, in which the lever 400 has two bearing disks. This reduces bearing forces, a
- a lever 400 with a first bearing plate 410 and a second bearing plate 420 is shown in the exemplary embodiment in FIGS. 3a and 3b in horizontal section.
- 3a shows the lever in the closed position GS
- FIG. 3b shows the lever 400 in the open position OS.
- the first bearing plate 410 is connected to a driver 430.
- the second bearing disk 420 is connected to the driver 430.
- the first bearing plate 410 and the second bearing plate 420 are advantageously connected to one another by the driver 430.
- the driver 430 is formed in two parts.
- the driver 430 is, for example, partially formed on the first bearing plate 410 and partly on the second bearing plate 420.
- the first bearing disk 410 and the second bearing disk 420 and the driver 430 are advantageously formed in one piece from one material.
- the bearing disks 410, 420 are advantageously formed from plastic. Alternatively, it is possible to use the
- drivers as a separate element, for example as a split pin or mandrel.
- the driver is formed from a metal.
- first bearing disk 410 is connected to a first web 415 and the second bearing disk 420 is connected to a second web 425.
- Both webs 415, 425 are connected to the actuating handle (not visible in section), so that the lever 400 forms a U-shape, on the free ends of which the bearing disks 410, 420 are formed.
- the first bearing plate 410 is mounted in a first counter bearing made up of the bottom section 130 of the busbar 100 and a first web 221 of the contact leg 220.
- the second bearing plate 420 is mounted in a second counter bearing made from the bottom section 130 of the busbar 100 and a second web 222 of the contact leg 220.
- a space R for the conductor 2 trained Between a first inside 412 of the first bearing plate 410 and a second inside 422 of the second bearing plate 420 there is a space R for the conductor 2 trained.
- this space R In the closed position GS, as shown in FIG. 3a, this space R is delimited by the clamping leg 210.
- the space R In the open position OS according to FIG. 3b, the space R is laterally delimited by the webs 415, 425.
- the conductor 2 inserted in the open position OS reaches the arch 134 and can be securely clamped to the arch 134.
- the first bearing disk 410 is axially supported by a first housing wall 341.
- the second bearing disk 420 is axially supported by a second housing wall 342.
- the first bearing disk 410 is mounted radially in the first counter bearing by means of the first part-circular outer contour 411, the first counter bearing being designed to absorb the force of the clamping spring 200.
- the lever 400 has a first pin 451 projecting axially from the first bearing disk 410.
- the first pin 451 is in a first receptacle 351 of the
- the lever 400 is positioned by the first pin 451 when pivoting when the driver 430 is not in contact with the clamping leg 210 of the clamping spring 200. If, on the other hand, the driver 430 bears against the clamping leg 210, the force of the clamping spring 200 is transmitted to the first counter bearing via the driver 430 and the first bearing disk 410.
- the receptacle 351 has, for example, a slight play so that the force of the clamping spring 200 does not predominantly act on the pin 451 and the receptacle 351. Pin 451 and receptacle 351 cause the lever 400 not to move loosely in the housing 300 out of contact with the clamping spring 200, but to be held in position by the pin 451 and receptacle 351.
- a first pin 451 on the first bearing plate 410 is sufficient for the positioning, so that no second pin on the second bearing plate 420 is required. However, if both bearing disks 410, 420 are formed with pins 451, 452, the risk of the lever 400 tipping over can be further reduced.
- the lever 400 has the axially from the second bearing plate 420 protruding second pin 452.
- the second pin 452 is arranged in a second receptacle 352 of the housing 300. The second pin 452 positions the lever 400 when pivoting when the driver 430 is not in contact with the clamping leg 210 of the clamping spring 200. If, on the other hand, the driver 430 bears against the clamping leg 210, the force of the clamping spring 200 is greater than that
- the receptacle 352 has, for example, little play so that the force of the clamping spring 200 does not predominantly, ideally not at all, act on the pin 452 and the receptacle 352. Pin 452 and receptacle 352 cause lever 400 not to loosely fall out of contact with clamp spring 200 in the housing
- FIGS. 3a and 3b show that the housing 300 has a first guide wall 331 and / or a second guide wall
- the conductor guide channel LF leads the electrical conductor (not shown) to the terminal point K.
- the electrical conductor must be inserted from the outside into an opening for the conductor and through the conductor guide channel in the direction of insertion of the conductor ER.
- the first guide wall 331 and / or a second guide wall 332 are, for example, in a cover 360 of the
- Housing 300 is formed.
- the first guide wall 331 is continued by the first bearing disk 410 for guiding the conductor, the first web 221 of the contact leg 220 being arranged between the first guide wall 331 and the first bearing disk 410 in the exemplary embodiment in FIG. 3a.
- the second guide wall 332 is continued by the second bearing plate 420 for guiding the conductor, the second web 222 of the contact leg 220 being arranged between the second guide wall 332 and the second bearing plate 420 in the exemplary embodiment in FIG. 3a.
- the conductor After being guided through first guide wall 331 and second guide wall 332, the conductor enters space R through opening 229 in contact leg 220 between the bearing disks 410, 420.
- the bottom section 130 of the busbar 100 and, opposite, the clamping leg 210 of the clamping spring 200 can contribute to the guidance.
- Figure 4 is a contact insert of an embodiment
- Spring terminal 1 shown in a three-dimensional view.
- a clamping leg 210 of a clamping spring 200 is shown interrupted. In reality, this clamping leg 210 of the clamping spring 200 is of course designed to be continuous.
- a busbar 100 and the clamping spring 200 are shown from the spring terminal 1.
- a lever for moving the clamping leg 210 is not shown in the exemplary embodiment in FIG. 4.
- a housing for receiving the contact insert can, if necessary, be supplemented in the exemplary embodiment in FIG. 4.
- the clamping spring 200 has a spring arch 230 and a contact leg 220 and the clamping leg 210.
- the clamping spring 200 is advantageously formed in one piece from spring steel and bent.
- the clamping spring 200 is optimized to permanently ensure a pressure force of an electrical conductor (not shown) on the busbar 100.
- the clamping leg 210 is connected to the contact leg 220 via the spring arch 230.
- the clamping spring 200 has exactly one clamping leg 210 for an electrical conductor (not shown).
- the contact insert of the exemplary embodiment in FIG. 4 has a fork contact 160.
- the contact leg 220 of the clamping spring 200 forms a fork tine
- the contact insert of the exemplary embodiment in FIG. 4 also has the busbar 100.
- the busbar 100 is advantageously made of metal, for example galvanized copper, which is optimized for the electrical conductivity under defined environmental conditions.
- the busbar 100 is made of a copper alloy or other metal.
- the busbar 100 is advantageously refined, in particular silver-plated or gold-plated.
- the busbar 100 has a bottom section 130, which can also be referred to as a contact section 130.
- bottom section 130 has a bulge 134 on the contact side, which together with a clamping edge 211 of the clamping leg 210 forms a contact point K for the electrical conductor.
- the busbar 100 has a connecting section 170, which is predominantly perpendicular to the bottom section 130, and a fork prong 163 of the
- the busbar 100 has the first fork prong 163 of a fork contact 160.
- the clamping spring 200 has the second fork tine 262 of the fork contact 160. The second fork 262 of the clamping spring 200 bears against the first fork 163 of the fork contact 160 under prestress.
- the fork prong 163 of the busbar 100 is connected to the base section 130 via the connecting section 170.
- the connecting section 170 of the busbar 100 is predominantly perpendicular to the first fork prong 163. Is in the fork contact 160
- Knife contact (not shown) connected and an electrical conductor (not shown) connected to the clamping point K, a current can flow from the electrical conductor via the bottom section 130 and via the
- the base section 130 and the connecting section 170 and the fork prong 163 of the busbar 100 are preferably formed in one piece from a piece of metal.
- a spring connection terminal 1 is shown with a first counter bearing 510 for a first bearing disc (not shown) and / or a second counter bearing 520 for a second bearing disc (not shown).
- first counter bearing 510 or the second counter bearing 520 can be formed, but both counter bearings 510, 520 are particularly advantageously provided for secure mounting.
- the first counter bearing 510 has a first bearing shell 510, which is formed at least from a first section 131 of the busbar 100 and a first section 221 of a contact leg 220 of the clamping spring 200.
- the first section 131 of the busbar 100 is formed in the bottom region 130 of the busbar 100.
- the first section 131 of the busbar 100 has a plane Surface for storage on. Alternatively, the surface is curved in accordance with the first bearing washer (not shown) in order to enlarge the bearing surface.
- An independent inventive aspect provides that the curvature 134 is positioned for the contact point K such that the first section 131 of the busbar 100 extends into the curvature 134, so that the first
- Bearing washer is also mounted on the curvature 134.
- the first section 131 of the busbar 100 and the first section 221 of the contact leg 220 are arranged at an obtuse angle to form the first bearing shell 510.
- the angle is in a range from 90 ° to 140 °, in particular in a range from 100 ° to 120 °.
- the contact leg 220 of the clamping spring 200 has a first web 221.
- the first web 221 delimits an opening 229 in the
- the first web 221 forms a support for the first bearing disk of a lever.
- the first web 221 is part of the first counter bearing 510.
- the first web 221 advantageously has a width which is adapted to a width of the first section 131 of the busbar 100.
- the second counter bearing 520 has a second bearing shell 520, which is formed at least from a second section 132 of the busbar 100 and a second section 222 of a contact leg 220 of the clamping spring 200.
- the second section 132 of the busbar 100 is formed in the bottom region 130 of the busbar 100.
- the surface 100 has a flat surface for storage.
- the surface is curved in accordance with the second bearing washer (not shown) in order to enlarge the bearing surface.
- An independent inventive aspect provides that the curvature 134 is positioned for the contact point K in such a way that the second section 132 of the busbar 100 extends into the curvature 134, so that the second bearing washer is also mounted on the curvature 134.
- the main directions of extension of the first section 131 and the second section 132 of the busbar 100 are essentially parallel to one another.
- the second section 132 of the busbar 100 and the second section 222 of the contact leg 220 are arranged at an obtuse angle to form the second bearing shell 520.
- the angle is in a range from 90 ° to 140 °, in particular in a range from 100 ° to 120 °.
- the contact leg 220 of the clamping spring 200 has a second web 222.
- the second web 222 delimits an opening 229 in the contact leg 220.
- the second web 222 forms a support for the second bearing disk of a lever.
- the second web 222 is part of the second
- the second web 222 has a width which is adapted to a width of the second section 132 of the busbar 100.
- first web 221 or only the second web 222 could be formed.
- the first web 221 and the second web are advantageously
- first web 221 and the second web 222 are substantially parallel.
- the contact leg 220 of the clamping spring 200 has an opening 229 for feeding the electrical conductor through the opening 229 to the clamping point K.
- FIG. 4 shows that the webs 221, 222 delimit the opening 229. in the
- the opening 229 extends into the spring arch 230. Also in the exemplary embodiment of the spring terminal 1 in FIG. 4, the opening 229 extends below the busbar 100.
- the geometry of the opening 229 makes it possible, for example, for an actuating element (not shown) to pass through the opening 229 in order to deflect the clamping leg 210 to open it.
- the actuating element is a pusher or plunger or lever of the spring terminal 1.
- the opening 229 enables actuation by an external actuating tool (likewise not shown).
- a web of an insulating material housing (likewise not shown) to pass through the opening 229 in order to achieve greater stability.
- the clamping spring 200 is mounted on the busbar 100. This mounting means that busbar 100 and clamping spring 200 can be preassembled and can be handled in bulk.
- the contact leg 220 of the clamping spring 200 extends along the side of the base section opposite the contact point K.
- the clamping leg 210 rests with prestress on the bottom section 130 of the busbar 100, so that the bottom section 130 is gripped between the clamping leg 210 and the contact leg 220.
- the clamping spring 200 is mounted on the connecting section 170.
- the clamping spring 200 is advantageously mounted on the connecting section 170 on both sides of the connecting section 170.
- the storage on both sides reliably prevents that the busbar 100 can be displaced relative to the clamping spring 200 in its main direction of extension, in particular in the direction of insertion of the conductor ER or against the direction of insertion of the conductor ER.
- the clamping spring 200 advantageously has a first bearing element 251 for bearing on a side of the connecting section 170 facing the clamping point K and / or a second bearing element 252 for bearing on a side of the connecting section 170 facing away from the clamping point K.
- the first bearing element 251 and the second bearing element 252 are advantageously formed in one piece with the contact leg 220, for example from spring steel.
- FIG. 5 shows an embodiment with a busbar 100 in a three-dimensional view.
- the busbar 100 has two fastening elements 135, 136 which can be used when the busbar 100 is to be fastened in a housing, in particular in an insulating plastic housing.
- the two fastening elements 135, 136 form, for example, latching elements which latch behind an edge of the housing or which penetrate into the plastic of the housing.
- the busbar 100 has an indentation 171 into which an element of the clamping spring 200 (for example the bearing element 251 in FIG. 4 or FIG. 6) engages, so that the busbar 100 and clamping spring 200 be positively connected.
- a conductor In the conductor insertion direction ER, a conductor (not shown) first encounters a slope 139 of the busbar 100, so that the conductor in the insertion direction ER does not meet any edge on which the conductor or individual wires of the conductor could get caught.
- the bevel 139 is formed by clipping and reshaping a short tab 139 into the opening
- the busbar 100 is additionally supported relative to the contact leg 220 of the clamping spring 200, so that the busbar 100 cannot be moved transversely to the contact leg 220 in the area of the tab 139 relative to the contact leg 220.
- the busbar 100 latches with the tab 139 in the opening 229 and forms one
- FIG. 6 shows a three-dimensional view of an exemplary embodiment of a clamping spring 200 of a spring connecting terminal with a relaxed clamping leg 210.
- FIG. 6 shows that the opening 229 extends into the horizontal section of the contact leg 220.
- the opening 229 is designed such that the clamping leg 210 extends into the opening 229 in the neutral state.
- the clamping leg 210 would first have to be deflected, as shown in FIG. The busbar 100 would then be pushed laterally onto the contact leg 220 of the clamping spring 200. In this case, a bulge 256 of the contact leg 220 of the clamping spring 200 and the indentation 171 of the busbar 100 from FIG. 5 mesh. If the clamping leg 210 is then released, the clamping leg 210 presses on the
- FIG. 6 shows that the bearing element 251 is punched out and bent out of the contact leg 220, as a result of which the further opening 254 is created in the contact leg 220.
- FIG. 8 shows an exemplary embodiment of a spring terminal 1 for connecting an electrical conductor in a sectional view. The electrical conductor is not shown. For the connection, the conductor is inserted into the spring terminal 1 in the ER insertion direction.
- the spring terminal 1 has a busbar 100 and a clamping spring 200 and a housing 300 and a lever 400. Busbar 100 and clamping spring 200 form a contact insert for the electrical connection of the conductor to the busbar 100.
- FIG. 9 shows an exemplary embodiment with parts of a spring terminal 1 in a side view, part of the housing 300 being omitted for the view of the lever 400 and the clamping spring 200 and the busbar 100.
- the lever 400 has a first bearing disk 410 with a first part-circular outer contour 411 for mounting the lever 400 in a first counter bearing 510.
- the first bearing disk 410, the first part-circular outer contour 411 and the first counter bearing 510 are shown in FIG.
- the lever 400 has a second bearing disk 420 with a second part-circular outer contour 421
- Second bearing disk 420 Storage of the lever 400 in a second counter bearing 520.
- Second bearing disk 420, second part-circular outer contour 421 and second counter bearing 520 are shown in FIG. 9.
- the exemplary embodiments of FIGS. 8 and 9 are different, but can be combined with one another.
- the second bearing plate 420 is spaced apart from the first bearing plate 410.
- the lever 400 has an actuating handle 490, which in the exemplary embodiment in FIG. 8 is connected to the first bearing plate 410 via the first web 415 and in the exemplary embodiment in FIG. 9 to the second bearing plate 420 via the second web 425.
- the clamping spring 200 has the clamping leg 210 and a spring arch 230 and a contact leg 220.
- the clamping leg 210 forms a clamping point K with the busbar 100 Clamping the electrical conductor on the busbar 100.
- the lever 400 has a driver 430 which, when the lever 400 is pivoted, is designed to move the clamping leg 210 from a closed position GS into an open position.
- the closed position GS is shown in each of the exemplary embodiments in FIGS. 8 and 9.
- the lever 400 can also be used to move from the open position back to the closed position GS.
- the clamping leg 210 In the closed position GS, the clamping leg 210 is predominantly parallel to the contact leg 220 in the area adjacent to the spring arch 230. Clamp legs 210 and contact legs 220 are predominantly parallel if less than 15 °, in particular less than 10 °, has deviated from a mathematical parallelism. In this way, a compact arrangement of lever 400, spring clip 200 and busbar 100 can be achieved.
- the clamping leg 210 rests with a prestress on a bottom region 130 of the busbar 100. This makes it possible to securely clamp conductors with a small cross-section.
- the first counter bearing 510 has a first bearing shell 510, which is formed at least from a first section 131 of the busbar 100 and a first section 221 of the contact leg 220 of the clamping spring 200.
- both first sections 131, 221 form an obtuse angle in which - as shown in FIG. 8 - the first bearing plate 410 is received.
- the first bearing disk 410 touches the first section 131 of the busbar 100 at least in a linear manner. By arching in the first section 131 of the busbar 100, the storage area in the first section 131 can be enlarged (not shown).
- the first bearing disk 410 touches the first section 221 of the contact leg 220 at least in a linear manner. By arching in the first section 221 of the contact leg 220, the bearing surface in the first section 221 can be enlarged (not shown).
- the second counter bearing 520 has a second bearing shell 520, which is formed at least from a second section 132 of the busbar 100 and a second section 222 of the contact leg 220 of the clamping spring 200.
- the second bearing disk 420 touches the second section 132 of the busbar 100 at least in a linear manner. By arching in the second section 132 of the busbar 100, the bearing surface in the second section 132 can be enlarged (not shown).
- the second bearing shell 520 which is formed at least from a second section 132 of the busbar 100 and a second section 222 of the contact leg 220 of the clamping spring 200.
- the second bearing disk 420 touches the second section 132 of the busbar 100 at least in
- Bearing disk 420 touches the second section 222 of the contact leg 220 at least linearly. By arching in the second section 222 of the contact leg 220, the bearing surface in the second section 222 can be enlarged (not shown).
- the lever 400 has a driver 430 which, when the lever 400 is pivoted, is designed to move the clamping leg 210 from a closed position GS into an open position.
- the driver 430 is in the exemplary embodiments of the figures
- the bearing disks 410, 420 can be made thinner, for example, so that a compact spring connection terminal 1 is achieved.
- the driver 430 and the first bearing disk 410 and the second bearing disk 420 are formed in one piece from a plastic.
- the entire lever 400 is molded in one piece from a plastic.
- the driver 430 is shaped such that it extends predominantly parallel to an axis of rotation D.
- the axis of rotation D is defined by the first partially circular outer contour 411 of the first bearing disk 410 or by the second partially circular outer contour 421 of the second bearing disk 420.
- the respective part-circular outer contour 411, 421 defines a circular shape KF, the center of which is the axis of rotation D.
- the exemplary embodiment in FIG. 8 shows that the driver 430 is at least partially within the circular shape KF of the second bearing disk 420 is arranged.
- the exemplary embodiment in FIG. 8 shows that the driver 430 is at least partially arranged within the circular shape KF of the first bearing disk 410.
- the cross-sectional shape of the driver is predominantly oval. However, other, for example elliptical, cross-sectional shapes or more complex ones can also be used
- the driver 430 extends predominantly parallel to the axis of rotation D.
- the driver 430 is arranged between the contact leg 220 and the clamping leg 210.
- the driver 430 is in a region between the contact legs 220 and
- Clamping legs 210 are arranged, in which contact legs 220 and clamping legs 210 in the closed position GS are predominantly parallel to one another. In this way, a compact arrangement of the spring terminal 1 can be achieved.
- the housing 300 has a receiving part 340 with an interior 341 for receiving the busbar 100 and the clamping spring 200.
- a cover 360 is received in the interior 341.
- the cover 360 closes an opening of the receiving part 340 facing the interior 341.
- part of the conductor guide channel LF with the guide wall 331 is formed in the cover 360.
- 9a and 9b show an exemplary embodiment with two spring connection terminals 1 in a partial sectional view.
- the spring terminal 1 has one
- Busbar 100 and a clamping spring 200 and a housing 300 and a lever 400 are at least partially accommodated in the housing 300.
- the lever 400 is mounted within the housing 300 and is designed to actuate a clamping leg 210 of the clamping spring 200.
- the housing 300 has a first housing part 340 and a second housing part 360.
- the second housing part 360 is removed in order to expose the elements of the spring terminal 1 located behind it.
- the first housing part 340 is designed as a base body 340, into which the second housing part 360, which is designed as a cover 360, is introduced in order to close a cavity in the interior of the base body 340 and to ensure electrical insulation.
- the base body 340 and the cover 360 are made from an electrically insulating material, for example from plastic.
- the first housing part 340 has a housing web 380, which is only shown in section in FIGS. 9a and 9b.
- An example of the geometric shape of the housing web 380 in its main direction of extension is shown in FIG. 2.
- the embodiment of Figure 2 can with
- Embodiment of Figures 9a and 9b can be combined to design the spring terminal 1.
- the housing web 380 has a fastening element 343 for fastening to the second housing part 360.
- the fastening element 343 can be seen as a latching hook 343, which, as shown in the left representation of FIG. 9a, engages behind an undercut 366 of the cover 360.
- the lever 400 has an actuating handle 490 and a first web 415 and a second web 425. The actuating handle 490 is connected to the first web 415 and to the second web 425. A space is formed between the first web 415 and the second web 425.
- the space between the first web 415 and the second web 425 is at least penetrated by the housing web 380.
- the space can also be penetrated by a clamping leg 210 of the clamping spring 200.
- the clamping leg 210 forms a clamping point with the busbar 100 for clamping the electrical conductor to the busbar 100. As shown in FIG. 9a and FIG. 10, they form in a closed position
- the first web 415 of the lever 400 and the second web 425 of the lever 400 and the housing web 380 and walls 341, 342 of the housing 300 have a substantially flat surface. Together with the operating handle 490 of the lever, a predominantly closed surface is also formed.
- the housing web 380 has a recess for receiving the actuating handle 490 in the closed position.
- FIG. 10 shows an exemplary embodiment of a spring connection terminal 1 for connecting an electrical conductor 2.
- the spring connection terminal 1 has a housing 300 that is shown in FIG. 10 in a partially transparent manner to show elements of the spring connection terminal 1 arranged in the housing 300.
- the housing can be made of a transparent or non-transparent material.
- a busbar 100 and a clamping spring 200 and partially a lever 400 are accommodated in the housing 300.
- the busbar 100 is inserted with an edge of a base section 130 into a groove 356 of the housing 300 for fastening.
- the bottom section 130 has a fastening element 136 which fixes the busbar 100 in relation to the housing 300 in the groove 356.
- the fastening element 136 is designed as a flap 136, the edge of which is directed against the wall of the groove 356.
- the lever 400 has a first bearing disk 410 with a first outer contour
- the lever 400 has an actuating handle 490, which is connected to the first bearing plate 410 via a web 415.
- the clamping spring 200 has a clamping leg 210. The clamping leg 210 forms a clamping point with the busbar 100 for clamping the electrical conductor 2 on the busbar 100.
- the electrical conductor 2 is already clamped in the spring terminal 1.
- the clamping leg 210 of the clamping spring 200 is deflected and presses the conductor 2 against the busbar 100.
- a clamping edge 211 of the clamping leg 210 presses into the electrically conductive material of the electrical conductor 2.
- the electrical conductor 2 is through the clamping edge 211 deforms so that the pull-out force is significantly increased.
- the lever 400 has a driver 430 which, when the lever 400 is pivoted, is designed to move the clamping leg 210 from a closed position into an open position.
- the state is shown in which the lever 400 is in the closed position.
- the electrical conductor 2 is plugged in and the clamping leg 210 of the clamping spring 200 is deflected, so that the clamping leg 210 does not rest on the driver.
- the first bearing plate 410 bears on the first counter bearing, the first
- the first counter bearing in the exemplary embodiment in FIG. 10 has both a first section 221 of a contact leg 220 and a first section 131 of the busbar 100.
- the contact leg 220 has a bend 225, so that the contact leg 220 is in contact with the first bearing washer 410 and extends through an obtuse angle of the bend 225 to below the busbar 100, that is to say it bears against the busbar 100 on the side opposite the contact point .
- the force of the clamping spring 200 acts on the clamping leg 210 and the
- lever 400 would first have to be pivoted in the open position in FIG.
- the lever 400 has a first pin 450 projecting axially from the first bearing disk 410, which is arranged in a receptacle 350 of the housing 300.
- Pin 450 and receptacle 350 position the lever 400 when the driver 430 - as shown in FIG. 10 - is not in contact with the clamping leg 210 of the clamping spring 200.
- the pin 450 is circular, with the receptacle 350 in the housing
- the 300 is partially circular.
- the radius rz of the circular pin 450 is significantly smaller than the radius n_ of the first bearing plate 410.
- the radius rz of the circular pin 450 is less than half the radius n_ of the first bearing plate 410.
- the pivot points D of the pin 450 and the first bearing disk 410 are spaced apart from one another. It is also possible that the pin deviates from a circular shape and is, for example, floating.
- the pin 450 is formed on the side of the first bearing disk 410 opposite the driver 430 — toward the outside.
- the pin 450 shown is sufficient for the function to position the lever 400.
- a further pin (not shown in FIG. 10) can be arranged on a second bearing disk 420, in particular symmetrically. Accordingly, the lever 400 would be symmetrical. Tilting of the lever 400 would be reduced.
- the receptacle 350 has an at least partially circular inner contour in which the pin 450 is rotatably mounted.
- the at least partially circular inner contour of the receptacle 350 can have a larger radius than the radius rz of the pin 450.
- the shape and position of the receptacle 350 is designed such that when the clamping leg 210 rests on the driver 430, none or a significantly reduced one Force is transmitted from the clamping spring 200 to the receptacle 350 via the pin 450.
- a groove 355 is provided in the housing 300 for mounting, via which the pin 450 with the lever 400 into the receptacle 350 during a
- Assembly step can be pushed.
- FIG. 1 A further inventive aspect is shown in FIG.
- a first bearing shell of a first counter bearing for the first bearing plate 410 is joined together by a first section 131 of the busbar 100 and a first
- Section 221 of the contact leg 220 and a first section of the housing 300 are formed.
- a second bearing shell of a second counter bearing for the second bearing plate 420 is advantageously formed by a second section of the busbar 100 and a second section of the contact leg 220 and a second section of the housing 300.
- the exemplary embodiment in FIG. 10 shows that the housing 300 has stops for the lever 400 for the open position and the closed position.
- FIG. 10 shows that the lever 400 strikes the plastic housing 300 in the closed position.
- FIG. 11 shows a number of exemplary embodiments with busbars and clamping springs of different spring connection terminals 10, 20, 30, 40 in a three-dimensional view.
- the contact area between spring terminals 10, 20, 30, 40 is shown, while housings etc. are not shown for simplification.
- Elements of four spring connection terminals 10, 20, 30, 40 are shown, the fourth spring connection terminal 40 having a fork contact with a fork prong 163 of the busbar and a fork prong 262 of the clamping spring.
- the first and second spring connection terminals 10, 20 each have a knife contact, the contact knife 166 being formed by the busbar.
- the third spring terminal 30 has a fork contact, the fork tines 161, 162 being part of the busbar.
- the fork tines 262 of the clamping springs each have a bulge 269, so that the clamping springs of the first, second and fourth spring connection terminals 10, 20, 40 can be manufactured as identical parts. Only the third spring terminal 30 has a different clamping spring (not shown).
- Figures 12a and 12b show an embodiment of a
- FIG. 12a the spring connection terminal 1 is shown with a lever 400 in the open position OS and with the conductor inserted in a sectional view.
- FIG. 12b also shows the spring terminal 1 with the lever 400 in the closed position GS in a sectional view.
- the spring terminal 1 has a busbar 100 and a clamping spring 200 and a housing 300 and the lever 400.
- Busbar 100, clamping spring 200 and lever 400 are at least partially accommodated in housing 300.
- the housing 300 is advantageously made of an electrically insulating material, for example made of plastic.
- the lever 400 has a first bearing disk 410 with a first part-circular outer contour for mounting the lever 400 in a first counter bearing.
- the counter bearing is in the embodiment of Figures 12a and 12b by a
- the clamping spring 200 in the exemplary embodiment in FIGS. 12a and 12b has a clamping leg 210 and a spring arch 230, the contact leg 220 being connected to the clamping leg 210 via the spring arch 230.
- FIG. 12b shows that the contact leg 220 is a
- the opening 229 is laterally delimited by webs.
- a web 221 is shown in a top view.
- the contact leg 220 extends below the busbar 100 and has an extension 255 for attachment to the busbar 100.
- the extension 255 also serves to limit one
- the busbar 100 has a bottom section 130 for clamping the conductor 2. Furthermore, the busbar 100 has two fork tines 163, 164 to form a fork contact 160, both fork tines 163, 164 being connected via a connecting section 165 of the busbar 100. Advantageously, both fork tines 163, 164, connecting section 165 and bottom section 130 are formed in one piece from a metal.
- the busbar 100 has a bulge 134 in the direction of the conductor 2 to be clamped, which increases the surface pressure on the conductor 2 and thus enables improved electrical contact. Alternatively, several bulges or a roughened or grooved surface of the base section 130 can also be provided for contacting the conductors.
- the lever 430 has one Driver 430, which moves a clamping leg 210 of the clamping spring 200 when the lever 400 pivots from a closed position GS to an open position OS.
- the lever 400 has an actuation handle 490 which is connected to the first bearing plate 410 and to the second bearing plate.
- the clamping leg 210 forms with the
- Busbar 100 a clamping point K for clamping the electrical conductor 2 to the busbar 100.
- the driver 430 is formed on an inside of the first bearing plate 410. In the open position OS, the driver 430 is positioned closer to a free end of the clamping leg 210 than in the closed position GS.
- FIGS. 12a and 12b it can be seen in FIGS. 12a and 12b that in this exemplary embodiment the driver 430 is arranged closer to the contact leg 420 in the closed position GS than in the open position OS.
- the spring terminal 1 of the exemplary embodiment in FIGS. 12a and 12b can hereby be made particularly compact.
- the first part-circular outer contour 411 of the first bearing disk 410 defines an axis of rotation D of the lever 400 when the lever 400 is pivoted from the closed position GS into the open position OS.
- the axis of rotation D is preferably stationary over the pivoting path.
- the outer contour 411 can also define a displacement of the axis of rotation D in the sense of an instantaneous pole if the outer contour 411 additionally has a non-circular section.
- the first bearing disk 410 is preferably only in contact with the counter bearing with the part-circular outer contour 411.
- the driver 430 is arranged in the open position OS and in the closed position GS outside a space R between the busbar 100 and a plane E parallel to it, through the axis of rotation D or above the axis of rotation D.
- the space R is advantageously delimited laterally by the first bearing plate 410 and the second bearing plate.
- the space R in the floor area is delimited by the floor section 130 of the busbar 100.
- the space R is preferably part of a conductor guide channel LF to the clamping point K.
- the driver 430 is outside both in the closed position GS and in the open position OS of the conductor guide channel LF arranged so that a conductor 2 to be inserted does not collide with the driver 430. Accordingly, the shape of the driver 430 can be optimized for the function of deflecting the clamping leg 210.
- the housing 300 has a plug face 370 for the fork contact 160.
- An opening 371 is provided in the mating face 370 for feeding a contact knife (not shown).
- the housing 300 has a wall 331 for forming a conductor guide channel LF.
- the conductor guide channel LF is wider in the initial region in order to accommodate part of an insulation 22 of the conductor 2, as shown in FIG. 12a.
- the core 21 of the conductor 2 extends beyond the contact point K in order to ensure good and reliable electrical contacting.
- the insertion depth for the core 21 of the conductor 2 is limited by the extension 255. In the exemplary embodiment in FIGS. 12a and 12b, this is
- Housing 300 is formed from at least two parts 340, 360 which are fastened to one another by means of fastening points 361, 362.
- the lever 400 has an actuating handle 490 and a first web 415. Furthermore, the lever 400 can have a second one
- the actuating handle 490 is connected to the first web 415 and to the second web, an intermediate space ZR being formed between the first web 415 and the second web. As shown in FIGS. 12a and 12b, the clamping leg 210 extends through the intermediate space ZR between the first web 415 and the second web of the lever 400.
- the housing 300 has a first housing part 360 and a second housing part 340.
- the second housing part 340 is designed as a base body 340 and the first housing part 360 is designed as a cover 360.
- the lid 360 can on the
- Base body 340 are fastened and an opening of the base body 340 facing the contact insert made of clamping spring 200 and busbar 100.
- the first housing part 360 has a housing web 381.
- the housing web 381 extends in its main direction of extension from the cover 360 to Base body 340.
- the housing web 381 has a fastening element 361 for fastening to the second housing part 340.
- the base body 340 as the second housing part has a fitting for the fastening element 361
- Attachment point 346 In the exemplary embodiment in FIG. 12a, the fastening element 361 is designed as a latching hook 361 and the fastening point 346 as an associated undercut 346.
- the housing web 381 extends through the intermediate space ZR between the first web 415 and the second web.
- the spring terminal 1 can be made particularly narrow, since the fastening of the housing parts 340, 360 to one another does not cause any additional width.
- FIG. 12a shows that the first web 415 of the lever 400 and / or the second web 425 of the lever 400 at an angle to one
- Main extension direction of the operating handle 490 is formed. A large adjustment path can be achieved in this way. At the same time
- the spring terminal 1 is advantageously correspondingly compact. In order to achieve a higher stability further
- Latches 362, 347 can be provided between the first housing part 360 and the second housing part 340.
Landscapes
- Connections Arranged To Contact A Plurality Of Conductors (AREA)
- Coupling Device And Connection With Printed Circuit (AREA)
Abstract
Description
Claims
Applications Claiming Priority (2)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
DE202018106900.4U DE202018106900U1 (de) | 2018-12-04 | 2018-12-04 | Federanschlussklemme |
PCT/IB2019/059872 WO2020115589A2 (de) | 2018-12-04 | 2019-11-18 | Federanschlussklemme |
Publications (1)
Publication Number | Publication Date |
---|---|
EP3891846A2 true EP3891846A2 (de) | 2021-10-13 |
Family
ID=68696476
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
EP19809624.0A Pending EP3891846A2 (de) | 2018-12-04 | 2019-11-18 | Federanschlussklemme |
Country Status (5)
Country | Link |
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US (1) | US11677170B2 (de) |
EP (1) | EP3891846A2 (de) |
CN (2) | CN117424008A (de) |
DE (2) | DE202018106900U1 (de) |
WO (1) | WO2020115589A2 (de) |
Families Citing this family (3)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
FR3075492B1 (fr) * | 2017-12-20 | 2020-01-03 | Silec Cable | Dispositif pour denuder un cable |
DE102020119864A1 (de) * | 2020-07-28 | 2022-02-03 | WAGO Verwaltungsgesellschaft mit beschränkter Haftung | Leiteranschlussklemme |
GB2604391B (en) * | 2021-03-04 | 2023-04-12 | Honeywell Int Inc | An electrical socket assembly and methods of installation and assembly |
Family Cites Families (15)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JP4289230B2 (ja) * | 2004-06-25 | 2009-07-01 | パナソニック電工株式会社 | 速結端子装置 |
DE102010024809B4 (de) * | 2010-06-23 | 2013-07-18 | Wago Verwaltungsgesellschaft Mbh | Anschlussklemme |
DE102012110895B4 (de) * | 2012-11-13 | 2015-03-26 | Wago Verwaltungsgesellschaft Mbh | Anschlussklemme |
DE102013101409B4 (de) * | 2013-02-13 | 2022-01-20 | Wago Verwaltungsgesellschaft Mbh | Leiteranschlussklemme |
DE102013101406B4 (de) * | 2013-02-13 | 2018-07-12 | Wago Verwaltungsgesellschaft Mbh | Leiteranschlussklemme |
CN103247881B (zh) * | 2013-04-26 | 2015-07-22 | 江门市创艺电器有限公司 | 一种导线快速连接器 |
DE102014114026B4 (de) * | 2014-09-26 | 2023-03-30 | Wago Verwaltungsgesellschaft Mbh | Leiteranschlussklemme und Verfahren zu deren Montage |
DE102014119421B4 (de) * | 2014-12-22 | 2017-02-02 | Wago Verwaltungsgesellschaft Mbh | Verbindungsklemme und Verfahren zur Montage einer Verbindungsklemme |
DE102015104625B4 (de) * | 2015-03-26 | 2022-11-17 | Phoenix Contact Gmbh & Co. Kg | Leiteranschlussklemme |
DE102015107853B4 (de) | 2015-05-19 | 2020-08-13 | Wago Verwaltungsgesellschaft Mbh | Leiteranschlussklemme |
DE102015122143B4 (de) * | 2015-12-17 | 2019-02-14 | Wago Verwaltungsgesellschaft Mbh | Leiteranschlussklemme |
DE102016116966A1 (de) * | 2016-09-09 | 2018-03-15 | Wago Verwaltungsgesellschaft Mbh | Federkraftklemmanschluss sowie Leiteranschlussklemme |
DE202017107800U1 (de) * | 2017-05-12 | 2018-08-17 | Electro Terminal Gmbh & Co Kg | Klemme |
CN108075254B (zh) * | 2017-07-12 | 2024-03-19 | 盐城世明电子器件有限公司 | 电连接器 |
DE112019001779A5 (de) * | 2018-04-05 | 2021-03-04 | Wago Verwaltungsgesellschaft Mbh | Elektrischer Steckverbinder, modulares System und Verfahren zur Bereitstellung eines Steckverbinders |
-
2018
- 2018-12-04 DE DE202018106900.4U patent/DE202018106900U1/de active Active
-
2019
- 2019-11-18 WO PCT/IB2019/059872 patent/WO2020115589A2/de unknown
- 2019-11-18 CN CN202311219119.3A patent/CN117424008A/zh active Pending
- 2019-11-18 CN CN201980034083.7A patent/CN112154573B/zh active Active
- 2019-11-18 DE DE112019002085.4T patent/DE112019002085A5/de active Pending
- 2019-11-18 EP EP19809624.0A patent/EP3891846A2/de active Pending
-
2021
- 2021-06-04 US US17/339,629 patent/US11677170B2/en active Active
Also Published As
Publication number | Publication date |
---|---|
CN112154573A (zh) | 2020-12-29 |
CN112154573B (zh) | 2023-12-22 |
DE112019002085A5 (de) | 2021-02-25 |
US11677170B2 (en) | 2023-06-13 |
DE202018106900U1 (de) | 2020-03-06 |
CN117424008A (zh) | 2024-01-19 |
WO2020115589A2 (de) | 2020-06-11 |
WO2020115589A3 (de) | 2020-08-06 |
US20210313713A1 (en) | 2021-10-07 |
JP2022510399A (ja) | 2022-01-26 |
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