EP3963673A1 - Borne à ressort destinée à un conducteur - Google Patents

Borne à ressort destinée à un conducteur

Info

Publication number
EP3963673A1
EP3963673A1 EP20721537.7A EP20721537A EP3963673A1 EP 3963673 A1 EP3963673 A1 EP 3963673A1 EP 20721537 A EP20721537 A EP 20721537A EP 3963673 A1 EP3963673 A1 EP 3963673A1
Authority
EP
European Patent Office
Prior art keywords
spring
pusher
conductor
clamping
latching
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.)
Granted
Application number
EP20721537.7A
Other languages
German (de)
English (en)
Other versions
EP3963673B1 (fr
Inventor
Stephan Fehling
Karlo Stjepanovic
Walter Hanning
Heike Schmidtpott
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Weidmueller Interface GmbH and Co KG
Original Assignee
Weidmueller Interface GmbH and Co KG
Priority date (The priority date 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 date listed.)
Filing date
Publication date
Application filed by Weidmueller Interface GmbH and Co KG filed Critical Weidmueller Interface GmbH and Co KG
Publication of EP3963673A1 publication Critical patent/EP3963673A1/fr
Application granted granted Critical
Publication of EP3963673B1 publication Critical patent/EP3963673B1/fr
Active legal-status Critical Current
Anticipated expiration legal-status Critical

Links

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
    • 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
    • H01R4/4833—Sliding arrangements, e.g. sliding button
    • 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
    • H01R4/4835—Mechanically bistable arrangements, e.g. locked by the housing when the spring is biased
    • 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
    • H01R9/26—Clip-on terminal blocks for side-by-side rail- or strip-mounting
    • 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
    • H01R4/48185—Clamped connections, spring connections utilising a spring, clip, or other resilient member using a leaf spring to bias the conductor toward the busbar adapted for axial insertion of a wire end
    • H01R4/4819—Clamped connections, spring connections utilising a spring, clip, or other resilient member using a leaf spring to bias the conductor toward the busbar adapted for axial insertion of a wire end the spring shape allowing insertion of the conductor end when the spring is unbiased
    • H01R4/4821—Single-blade spring
    • 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
    • H01R4/484—Spring housing details

Definitions

  • the present invention relates to a spring-loaded terminal according to the preamble of claim 1.
  • Such spring-loaded terminals in an embodiment as direct plug-in terminals (push-in) with a clamping spring designed as a compression spring which presses or presses the conductor against the busbar are known in a variety of embodiments. They differ primarily because of their application, for example, depending on the required current-carrying capacity of the busbar, the spring force of the clamping spring and / or their installation conditions, in particular their size. Simple assembly and inexpensive manufacture are permanent requirements for such a clamp.
  • the US 7,997,915 B2 discloses an end sleeve, at one end of which a di rect plug-in terminal is arranged for permanent connection of an electrical conductor.
  • the direct plug-in terminal includes a current-carrying terminal cage for electrical contact with the electrical conductor and a spring for fixing the electrical conductor.
  • the spring has a pivotable clamping leg which, when the electrical conductor is not inserted into the direct plug-in terminal, is positioned on a retaining edge, so that a free space is kept free for the electrical conductor and can be inserted into the terminal cage.
  • the holding means When inserting into the direct plug-in terminal, the holding means is displaced in such a way that the clamping leg is released and pivoted.
  • the pivoted clamp leg presses the electrical conductor against the clamp cage.
  • the clamping leg can be released from the latching state with two different adjustment means.
  • the latching state is not generated by latching an element on a free clamping edge of the clamping leg and the latching state is still achieved by introducing the cable ters detachable in the direction of conductor insertion into the housing.
  • the first of the two adjustment means has a movable release element on which the end of the conductor to be contacted acts when the conductor is released and with which the clamping leg of the clamping spring can be released directly or indirectly from the latched state.
  • the second of the adjusting means is an actuating element for directly moving the clamping leg.
  • the actuator itself is common with the
  • Clamping legs of the clamping spring can be latched in the latched state and can be released directly from the latched state, whereby the clamping leg of the clamping spring can also be released from the latched state.
  • the actuating element is a pusher for loading because of the clamping leg, which is slidable in an actuating channel of the housing in a plug-in direction and limited perpendicular to the plug-in direction and which can be locked ver in the housing on a clamping edge of the housing in the latched state.
  • the object of the invention is to solve this problem.
  • a spring-loaded terminal in particular a direct plug-in terminal, is created for connecting a conductor that can be designed as a flexible stranded conductor that has at least the following features:
  • a housing with a chamber and with an insertion channel for the conductor into the chamber
  • a clamping spring which is arranged in the chamber and acts as a compression spring, for fixing the electrical conductor to the busbar and / or the clamping cage (13) in the area of a clamping point,
  • clamping spring is pivotable about a pivot axis
  • Has clamping leg which is adjustable from a latching state in which it is locked in a latching position into a clamping state in which it is unlatched from the latching state and the electrical conductor against the busbar or the terminal cage presses, the latching state being generated by pressing the clamping leg in the direction of conductor insertion with a pusher,
  • clamping leg can be released from the latching state with two differently actuable adjusting means
  • first of the two adjustment means has a movable release element on which the end of the conductor to be contacted acts when the conductor is released and with which the second adjustment means and the clamping leg of the Klemmfe can be released from the latched state, and
  • the second of the two adjusting means is the pusher (1 1) for moving the clamping leg (7b), the pusher (1 1) being displaceable in an actuating channel (6) of the housing (3,) in the insertion direction (X) and limited vertically is movable to the direction of insertion, and
  • the pusher has a latching edge on which it - in the interior of the Ge housing - can be latched to a latching hook of the busbar or another element arranged in the housing in the latched state, whereby it holds the clamping spring appropriately latched in the open position, the latching edge through entge opposite movement from the latched state is releasable.
  • the latching edge of the pusher is designed as a hook-like section of the pusher on a free end of the pusher arranged in the housing and / or that the latching hook of the busbar is formed on a hook-like section formed from the busbar, in particular bent out of it the busbar is formed, in particular on a section of the busbar running below the free end of the lever in the housing.
  • a particularly long lever arm is implemented in this way, so that a sen from the latching with a very small pivot angle of the handle can be set.
  • the trigger element can also be arranged in the chamber to the side of the lever and designed in such a way that it is perpendicular to the conductor insertion direction or essentially perpendicular to the release of the lever from its latching position - i.e. at an angle of less than 45 °, preferably less than 30 ° - acts on the handle to the conductor insertion direction. Because in this way the pusher with the particularly low forces, as the head can only exert on the release element, can be easily and safely released from the latching state, which also releases the clamping spring from the latching.
  • the release element acts on at least one actuation contour of the handle when the latching state is released. This can be in the direction of conductor insertion before the latch is locked on the power rail.
  • the trigger element is designed as a rocker arm pivotably mounted in the housing with at least one lever arm and with an axis of rotation and that the handle has an axis of rotation D1 l.
  • an actuating contour is provided on the pusher, which interacts with an actuating counter contour of the trigger element to clamp an electrical conductor in the spring-loaded terminal and / or to release the electrical conductor from the spring-loaded terminal.
  • the trigger element preferably rotates from a basic position about an axis of rotation into a pivoting position. It is particularly preferred that the actuation counter contour in the basic position below the pivot pin of the release seiatas is arranged. As a result, the spring-loaded terminal can be produced in a particularly space-saving manner.
  • the directions of rotation of the trigger and the trigger element are the same when the trigger is released from the latched state.
  • This measure is advantageous, but not mandatory.
  • a particularly compact structure of the release element with the two release paths can be realized by a release actuation through the conductor or by moving the trigger directly with a tool from outside the terminal or by hand.
  • the axis of rotation of the pusher lies in front of the locking edge in the conductor insertion direction and above the clamping leg of the clamping spring and / or that the axis of rotation of the release element is in front of the one or more actuation contours of the pusher in the direction of conductor insertion lies.
  • the latching state is not created by latching an element on a free clamping edge of the clamping leg and that the Rastzu stood by inserting the conductor in the conductor insertion direction into the housing and a work with the conductor on the release element and by the action of the Ausletteele Mentes is releasable on the handle perpendicular or substantially perpendicular to the Einsteckrich device.
  • the corresponding latching edges of the lever handle and the busbar or the other element of the housing are designed as steps and / or hook-like elements. These can preferably have rounded edges and / or corresponding locking edge surfaces which, in the locked position, are directed at an angle between 0 and 30 °, preferably 5 to 20 °, to one another. In this way, the slide of the trigger from the latching is made easier without the latching state itself being able to trigger. Overall, to that extent self-locking can be maintained in the area of the locking edge, which the expert can check in an experiment.
  • the spring-loaded terminal is not only suitable for full conductors, but also to a special degree for stranded conductors. This is because the stranded conductor can be moved back and forth in the free space of the chamber in the housing in the latched state without the strands being fanned out.
  • a material for the busbar can be selected that has good electrical conductivity, for example copper or a copper alloy.
  • a spring steel is advantageous as Fierstellmaterial.
  • a spring-loaded terminal in particular a direct plug-in terminal, is advantageously created for connecting a conductor, which can be designed as a flexible Lit zenleiter, which has at least the following features: a housing with a chamber and with an insertion channel for the conductor in the chamber, a busbar and / or a clamping cage, a clamping spring arranged in the chamber and acting as a compression spring with a clamping leg, the clamping leg of which can be released from the latched state with at least a pusher, the pusher having a latching edge on which it is inside the Housing on a latching hook of the busbar or another element arranged in the housing, which is formed separately from the housing, can be latched in the latched state, holding the clamping spring appropriately latched in the open position, the latching edge of the pusher by moving in the opposite direction from the latched state is solvable.
  • Subclaims 1 to 11 can also refer back to this claim.
  • the invention also provides a terminal block with one or more of the spring-loaded terminals according to the invention.
  • Fig. 1 a is a sectional view of a spring-loaded terminal with a clamp
  • FIG. 1 b shows the spring-loaded terminal from FIG. 1 a) in the manner of the view in FIG. 1 a) with the clamping leg in a latching state;
  • FIG. 2a shows a sectional view of the spring-loaded terminal from FIG. 1 b) with a conductor while the conductor is being inserted into the spring-loaded terminal, the clamping leg still being in the latched state;
  • FIG. 2b shows the spring-loaded terminal from FIG. 2a) with an electrical conductor inserted into the spring-loaded terminal, the clamping leg being released from the latched state;
  • FIG. 3a is a partially sectioned perspective view of the spring clip from FIG.
  • FIG. 3b shows the spring clamp from FIG. 3a in the type of view selected there, with egg nem conductor while the conductor is being inserted into the Federkraftklem, the clamping leg still being in a latched state;
  • 3c shows the spring-loaded terminal from FIGS. 3a) and 3b) in the type selected there
  • FIG. 4a-j perspective views of some components and component assembly groups of the spring clips from Figures 1 to 3;
  • 5a is a sectional view of a spring-loaded terminal according to the type of FIG. 1 in an assembled state and in a side view, but without the lower housing part, the state corresponding to that of a latching state according to the type of FIG. 3b;
  • FIG. 5b shows the sectional view from FIG. A, supplemented by some force arrows and some axes of rotation;
  • FIG. 6 shows a side view of a region of a latching edge, shown enlarged in detail, between the housing and the handle in the latching state;
  • Fig. 7 shows a terminal block with two spring-loaded terminals in a perspective view
  • FIG. 8 in (a) and (b) a release element for the spring-loaded terminals of the series terminal from Figure 7 in different perspective views;
  • FIG. 9 shows a series terminal arrangement with a multiplicity of series terminals according to FIG. 7, lined up in a row direction; and 10 in (a) - (d) each a section from the terminal block according to Fig.
  • FIG. 1 another terminal block with two spring force according to the invention clamp in (a) in a side view in a first operating position - latched state - and in (b) in a second operating position, each without a ladder, and in (c) and (d) the States from (a) and (b) each with a conductor; and
  • FIGS. 1 1 (a) and (b) shows a perspective view of the terminal block from FIGS. 1 1 (a) and (b) with a busbar shown separately.
  • Figs. 1 a and b. 2a, b and 3a, 3b and 3c show a first spring-loaded terminal 1 in different views and “wiring states”.
  • the individual components or assemblies of these components are to be considered in addition in Fig. 4a-4h, Fig. 5a, b and Fig. 6 for understanding.
  • the spring-loaded terminal 1 has a housing 3 in which a direct plug-in connection 2 (also called “push-in connection”) is formed.
  • the housing 3 is preferably made of an insulating plastic.
  • the housing 3 can be formed in one piece or Pauly-in lig.
  • the housing 3 can be designed to be open at the side and it can be designed to be lined up.
  • the housing 3 - see also FIGS. 4a, 4c and 4d - consists here, for example, of a sleeve-like lower housing part 3a, essentially rectangular in section, onto which an upper housing part 3b can be placed. Such a configuration is preferably implemented here.
  • the upper housing part 3b can be held, for example locked, on the lower housing part 3a by a force fit and / or form fit.
  • a chamber 4 for receiving functional elements of the direct connections 2, in particular including metal parts, is formed.
  • the chamber 4 is formed in the lower housing part 3a.
  • the chamber 4 can be designed to be open at the top and possibly also at the bottom. At the top, the chamber 4 is closed off by the upper housing part 3b. It can be closed at the bottom be designed or open to the extent that a connection can connect to the bottom to connect to an external electrical assembly.
  • FIG. 9 of the generic prior art The lower housing part 3a can alternatively also have a plurality of chambers, a plurality of direct connections 2 and for this purpose a plurality of upper housing parts or an upper housing part corresponding to a plurality of chambers (not shown here).
  • the chamber 4 is connected on the one hand by a conductor insertion channel 5 to one of the outer sides of the housing - called the "insertion side", here the top - and on the other hand by an actuation channel 6.
  • the actuation channel 6 runs essentially parallel to the conductor insertion channel 5 can be cylindrical or stepped and / or conical.
  • the conductor insertion channel 5 and / or the actuating channel 6 can advantageously be formed in the upper housing part 3b.
  • the conductor insertion channel 5 is used to insert a conductor 10 in a conductor insertion direction X into the housing. It can have a type of insertion funnel.
  • the conductor 10 has a stripped conductor end. This is used to plug into the direct plug connection 2 (Fig. 2a, 2b).
  • a clamping spring 7 and a busbar 8 are arranged in the chamber 4 to form the direct plug connection 2.
  • a metal clamp cage can be seen, which can serve to support the clamping spring 7 and / or the busbar 8.
  • no clamping cage can be provided either. In this respect, in turn, reference is made to the generic prior art.
  • a metallic assembly which has a (simply configured) clamping cage 13 (see in particular FIGS. 1 a and 2 a) into which the clamping spring 7 can be inserted.
  • the clamping cage 13 is at least U-shaped in a side view and has three legs 13a, 13b, 13c. It is open on the side, but this is unproblematic since the lower housing part 3a centers the conductor 10 here.
  • the clamping spring 7 is placed between these legs 13a, 13b, 13c. At least one of the legs 13a, b, c can be used for connection to an electrical assembly (not shown here), for example for connection to one here connector, not shown, or to a printed circuit board or the like.
  • the busbar 8 is here structurally identical to the clamping cage, in particular with its leg 13a.
  • the clamping cage 13 can be used with the clamping spring 7 from an open side in the lower housing part 3 a. In this way, these elements can be preassembled on one another so that they can easily be further assembled and are well protected in the lower housing part 3a.
  • the one leg 13a of the terminal cage 13 is formed by the busbar 8, which initially runs in this section parallel to the conductor insertion direction X, then, following the actual contact section, below a terminal point K in a transverse leg 13b transversely to the conductor insertion direction X and then in a leg 13c, again running parallel to the conductor insertion opening X, against the conductor insertion direction X.
  • the clamping spring 7 is U-shaped or V-shaped and has a supporting leg 7a and a clamping leg 7b.
  • the support leg 7a is supported on an abutment.
  • This abutment can be formed by a projection on a wall of the chamber 4. Here it is formed by the leg 13c of the busbar 8 ge.
  • the clamping leg 7b is connected to the supporting leg 7a via an arcuate back 7c.
  • the back 7c can overlap a support contour of the housing 3 which protrudes into the chamber 4, but this is not mandatory.
  • the pivotable clamping leg 7b is used to act with spring force in the area of the clamping point K (FIG. 2b) with a clamping edge 7d at its end on the respective conductor 10 and to press this conductor 10 or its stripped conductor end against the busbar 8. In this way, an electrically conductive contact is established between the inserted conductor 10 and the busbar 8. This can be seen well from Fig. 1b.
  • the conductor 10 can be guided in the conductor insertion direction X through the conductor insertion channel 5 into the chamber 4 in the area of the clamping point K (see FIGS. 2a, 4a).
  • An actuating element is arranged in the actuating channel 6.
  • the actuating element is designed as a pushing element - called “pusher 11” for short, which is displaceably guided in the actuating channel 6.
  • a free end 1 1 1 a of the handle 1 1 protrudes beyond the outside of the housing 3 so that it is easily accessible.
  • an actuating contour - in particular a recess 1 1 d - for attaching a tool, in particular a screwdriver, to the pusher 11 can advantageously be formed on this free end 1 1 a.
  • This recess 11d is preferably dimensioned such that a screwdriver can be inserted relatively firmly and far into the recess 11d (FIG. 4b, FIG. 4c).
  • the upper actuation end of the trigger 11 can, however, also lie within the actuation channel 6.
  • the pusher 1 1 also has a push contour 1 1 b - here between its two ends 1 1 a and 1 1 c -.
  • This push contour 1 1 b serves to be able to exert a force on the clamping leg 7b in the insertion direction with the pusher 1 1 in order to open the clamping leg 7b.
  • the pushbutton 11 has a slot 11e in the manner of a through opening or a lower recess with side walls (see also FIGS. 4b and 4c).
  • the clamping leg 7b passes through the slot 11e in the assembled state and can be pivoted to a limited extent within the slot 11e.
  • the handle 11 also has an actuation contour 11 f for the action of a release element 12 to be described.
  • the pusher On the side of the slot 1 1 e, the pusher has one or two arms 1 1 g (see also FIG. 4), at the lower ends of which the actuating contour 1 1 f for the release element 12 to be described is formed.
  • the pusher 1 1 has the push contour 1 1 b here between the arms 1 1 g at the upper edge of the slot 1 1 e, with the push contour 1 1 b of the pressure on the
  • Clamping leg 7b can be exercised in order to be able to exert pressure on the clamping leg 7b when pressing down the pusher 11 in the actuating channel 6 in the conductor insertion direction X with the pushing contour 11h or here the pushing edge in order to pivot it and to distance it from the busbar 8, see above that a conductor 10 can be inserted into the opened terminal point K.
  • the arms 11 g of the pusher 11 extend here to the side of the clamping spring 7. In this way, a reliable triggering on the two arms 11 g of the pusher 11 can be realized.
  • This action in turn moves the pusher 11, which is supported in a latching manner on the housing 3, so that it is released from the latching on the latching edge 31, whereby the pusher 11 is released and again in the actuating channel 6 against the plug-in direction X by the spring force of the released clamping leg 7b slides slightly upwards.
  • this at least one actuating contour 11 f is provided close to the end 11 c of the pusher 11 in the chamber 4. It lies below terminal point K.
  • This trigger element 12 is here in an advantageous - but not mandatory - Ausgestal device designed as a rocker arm which has two lever arms 12a, 12b rotatable about an axis of rotation (see also Fig. 4e), g), i), j)).
  • the rocker arm 12 can be designed as a Win angle lever. It can be stored in a bearing housing 14 or on a bearing block or the like that is inserted into the chamber 4, for example together with the busbar 8 and / or the clamping cage 13.
  • the tilting lever 12 can have an axis 12c, which is inserted pivotably into a bearing recess 14a of the bearing block 14.
  • the lever arm 12a is used for actuation by the conductor by pressing it down in the chamber 4 and the lever arm 12b for moving the pusher 11 to release it from the latched position.
  • the pusher 1 1 also has at least one lateral gradation in the manner of a Versat zes, on which a first locking edge 1 1 h (see also Fig. 4b and 5 and 6) is formed from.
  • This locking edge 11 h interacts with a corresponding locking edge 31 on / in the chamber 4 of the housing 3.
  • the housing 3, here the upper housing part 3b has a corresponding Stu fung.
  • the latching edge 1 1 h is formed on the side of the pusher 11 facing the clamping leg 7 b. This is advantageous but not essential.
  • the function of the pusher 1 1 is different to the next.
  • the pusher 11 or its locking edge 11 has been pressed so deeply in the guide direction X for 1 h that it passes the corresponding oppositely directed locking edge 31 of the housing 3 - here in the transition area from Actuate transmission channel 6 to chamber 4 - the pusher happens 11 pushed to the side and / or pivoted somewhat perpendicular to the insertion direction X for the conductor 10 by the force of the clamping spring 7 or the clamping leg 7b.
  • the locking edge 1 1 h of the pusher 1 1 latches behind the corresponding locking edge 31 of the Ge housing 3 (see Fig. 5a and 5b).
  • the handle 11 can be moved and / or pivoted somewhat in the housing 3 or in the actuation channel 6 to a limited extent transversely to the insertion direction.
  • This displaceability and / or pivotability is preferably at least dimensioned in such a way that the latching edge 11 can be moved into the latching position described above when the trigger 11 is pressed in (see in particular FIG. 5 and the pivot axis D11) .
  • the pivot axis D1 1 is the axis around which the pusher rotates with the superimposed pivot and linear movement Release from the detent position rotates when the release element acts on it (referred to as D1 1).
  • This pivot axis D1 1 lies here within the actuation channel 6.
  • the actuation channel 6 here does not have a cylindrical profile, but rather a profile that initially tapers slightly conically in the conductor insertion direction X and then widens again, with the rotational axis D1 1 being in contact with the lever 11 Transition area between the tapering and then widening area of the actuating channel 6 in the housing 3 can be formed.
  • clamping spring 7 or its clamping leg 7b can also be locked or locked indirectly in an open position in the housing 3 via a locking of the handle (see FIGS. 1b and 2a).
  • This locking takes place by pressing on the clamping leg in the conductor insertion direction with the pusher 11, which is locked in a locking position on the housing, but from which it can also be moved out again to release the locking of the pusher 1 1 and thus also that of the clamping spring 7 .
  • the conductor 10 can be pushed into the area of the clamping point K in a simple manner.
  • the clamping spring 7 or its clamping leg itself will keep ge in an open position. In this way one end of the conductor can be inserted. In order to contact this, the locking position must be released.
  • the release of the open position or the detent position of the clamping leg 7b is possible in two different ways.
  • Clamping edge 7d that is to say that takes place at the end of the locking leg 7b at which the conductor is to be clamped, only a very small force is required to release the clamping leg from the locking position.
  • the invention makes use of this by not producing the latching position or the latching state on the free clamping edge 7d of the clamping leg 7b, but rather in the middle by pressure from the pusher 1 1 on the clamping leg 7b in the conductor insertion direction spaced from the clamping edge ren part of the clamping leg 7.
  • the pusher 11 even be used directly to release the clamping spring 7 or its clamping leg 7b from the latching position.
  • the clamping spring 7 holds it with its clamping leg 7b, the pusher 1 1 in the detent position.
  • radii are formed at the corner areas or edge areas in the area of the corresponding Rastkan tenpsych of the steps or locking edges 31 and 11, which are not too small so that the handle 11 can be easily removed from the housing.
  • the radii can preferably be in a range between 0.1 mm and 0.2 mm.
  • the locking edge surfaces which actually define the “locking edges”, do not have to be aligned exactly parallel to one another - which is also possible - but can preferably be aligned somewhat obliquely at an angle greater than 1 ° up to 45 ° to one another self-locking locking is achieved, but possibly also such a self-locking locking that is easier to solve than one with parallel surfaces and / or very small edge radii in the area of the locking edge surfaces.
  • a force F10 can be exerted on the trigger element 12 with the conductor end of the conductor 10 in the conductor insertion direction X in order to release the lever 11 from the open position and thus from the latched position.
  • the conductor 10 presses on one of the two lever arms, namely the lever arm 12a.
  • the release element rotates about its axis of rotation 12c and the other lever arm 12b acts with a force F12 on the actuating contour 11f of the lever handle 11.
  • This release of the latching position with the end of the conductor is the usual way to handle the spring-loaded terminal 1.
  • the above-described movement of the pusher 11 is an alternative solution if e.g. the conductor 10 is so flexible that in a single case no sufficient force to operate the release element 12 is generated with it.
  • the recess 1 1 d at the end 1 1 a of the pusher 1 1 protruding from the housing 4 is dimensioned so deep that a force is exerted on the pusher 1 1 by hand or preferably with an inserted screwdriver or other tool can be exercised in order to release it from its detent position.
  • the pusher 11 can also have a gradation that corresponds to a gradation of the Actuate transmission channel 6 and realizes an insertion limit for the pusher 11 in the conductor insertion direction X (cannot be seen here).
  • the release element 12 is formed from a subassembly that supplements the assembly of the elements 13 and 7.
  • This subassembly can be made purely of Me tall, purely made of plastic or a mixture of elements made of metal and plastic. It has here the release element 12 and the bearing block or a Lagerge housing 14 on which the release element 12 is pivotably mounted.
  • This sub-assembly can also be preassembled on the clamping cage 13 and can be inserted into the housing 3 together with this and the busbar 7.
  • the bearing block 14 can be designed as an element made of metal or plastic that is separate from the clamping cage 13 and can be fastened to the clamping cage 13 (FIGS. 4e, g, i, j) and in turn has receptacles for the release element 12. Alternatively, however, it can also be formed by attachments to the busbar.
  • the trigger element 12 has the two lever arms 12a, 12b. Therefore, with the conductor end of the conductor 10 in the conductor insertion direction X, a force can be exerted on the release element 12 are exercised in order to release the handle 11 from the open position and thus from the latched position.
  • the head 10 presses on one of the two Hebelar me, namely the lever arm 12a.
  • the release element 12 rotates around its axis of rotation 12c and the other lever arm 12b acts as a release contour on one or two corresponding actuation contour (s) 1 1 f of the trigger 1 1.
  • the pusher 11 can be released directly from the latching position by pressing at its upper end, as described above.
  • the directions of rotation of the pusher 11 and the trigger element 12 are preferably the same when the pusher 11 is released from the latched state. This can be seen clearly in FIG. 5. Because in FIG. 5, the (imaginary) axes of rotation D11 and D12 of the trigger 11 and the trigger element 12 are shown.
  • Fig. 7 shows a terminal block 15 with two spring-loaded terminals 1 according to the invention in a perspective view.
  • the terminal block 15 has an electrically insulating housing 3, which is preferably open on one side in the rowing direction, which comprises the spring force terminals 1 and can be snapped onto a top-hat rail 160 (see FIG. 9).
  • the housing 3 has latching means 16 for latching onto the top-hat rail 160.
  • the spring-loaded terminals 1 are arranged in a transverse direction 93 transversely to the insertion direction 91 and transversely to a direction 92 on opposite sides I, II of the series terminal 15.
  • the spring-loaded terminals 1 each have the chamber in which the Klemmfe is arranged.
  • the back 7c of the clamping spring 7 wraps around a part of the Ste sat 70, which forms the pivot axis for the clamping leg 7b of the clamping spring 7.
  • the support leg 7a of the clamping spring 7 is supported when pivoting the clamping leg 7b about the pivot axis on a support contour 32 of the housing 3.
  • Each of the spring-loaded terminals 1 has the button 11. This is arranged in the channel 6 actuation channel.
  • the clamping leg 7b penetrates the slot 11e of the handle. It can be pivoted at least to a limited extent within the slot 11e.
  • the pusher 11 has the pushing contour 11b (see FIG. 10 (a)), with which it can exert pressure on the clamping leg 7b.
  • the handle 11 also has the actuation contour 11 f for acting on the release element 12 (see FIG. 10 (c)).
  • the trigger element 12 is here arranged to be rotatable about a pivot pin 12c, which forms the axis of rotation. It is described in more detail in the context of FIG.
  • the triggering Element 12 of the spring-loaded terminal 1, which is arranged on the second side of the terminal block 15 on the left in the plane of the drawing, is shown in an exploded manner and can be pushed onto its pivot pin 12c by moving it in the direction 92.
  • the spring-loaded terminals 1 of the series terminal 15 each have a clamping cage 13 with two legs 13a, 13b arranged transversely to one another.
  • the terminal cages 13 of the terminal block 15 are connected to one another by a busbar 8.
  • the terminal cages 13 and the busbar 8 connecting them to one another is shown here in an explosive manner and can be inserted into the terminal block 15 by moving in the direction of rotation 92.
  • An electrical conductor 10 can be inserted into each of the spring-loaded terminals 1 through the conductor insertion channel 5 in the insertion direction 91.
  • the spring-loaded terminals 1 with an inserted conductor 10 is shown in FIG. 9.
  • the lever 1 1 In the spring-loaded terminal 1 located on the first right-hand side I in the plane of the figure, the lever 1 1 is locked with its locking edge 11h (see FIG. 10 (a)) on the locking edge 31 of the housing 3 in the locked state DR.
  • the clamping spring 7 is thereby in the latching state R, in which the clamping leg 7b releases the chamber 4 and this is therefore open for the insertion of the electrical conductor 10. This state is also shown in Fig. 10 (a).
  • the handle 11 is in a released, unlatched position L.
  • the trigger element has a hollow cylindrical body 12f, which has a wheel-shaped widening 12g at opposite ends.
  • the hollow cylindrical body 12f can be pushed onto the pivot pin 12c which forms the axis of rotation.
  • On the trigger element 12 is a helper arranged beiarm 12a, which can be actuated with the plugged into the spring-loaded terminal 1's electrical conductor 10.
  • the lever arm 12a widens from an open actuating end (not designated) in the direction of the hollow cylindrical body 12f.
  • FIG. 9 shows a series terminal arrangement 150 with a plurality of series terminals 15 according to FIG. 7, which are lined up in the direction 92. An electrical conductor 10 is inserted into each of the spring-loaded terminals 1.
  • the electrical conductor 10 is not yet jammed in the spring-loaded terminal 1 arranged on the first, right-hand side I in the image plane. This state is also shown in Fig. 10 (b).
  • the electrical conductor 10 is jammed in the spring-loaded terminal me 1 arranged on the second spring-loaded terminal on the left in the image plane. He actuates the trigger element 12. This state is also shown in FIG. 10 (c).
  • FIG. 10 shows a section from the series terminal 15 according to FIG. 7, the section showing the spring-loaded terminal 1 in different states.
  • the handle is in the latching state DR.
  • the clamping spring 7 is also in the latching state R and the clamping leg 7b is adjusted against its restoring force.
  • the trigger element 12 is in the basic position G, in which the lever arm 12a of the trigger element 12, which is provided for interaction with the electrical conductor 10, extends in the transverse direction 93 transversely to the insertion direction 91.
  • the counteracting contour 12d is arranged below the pivot pin 12c forming the axis of rotation of the release element 12.
  • the pusher 11 is in the space 12e between the widenings 12g of the hollow cylindrical body 12f of the release element mentes 12 positioned.
  • This arrangement is very space-saving and the spring force terminal 1 can therefore be built very small / narrow.
  • the electrical conductor 10 is inserted as far as possible into the chamber 4, so that it actuates the lever arm 12a of the release element 12 and this is rotated in the direction of rotation 95.
  • the trigger element 12 is therefore in a ver swiveling pivot position S.
  • the pusher 11 is in the released position L. It is moved by means of the clamping leg 7b with the restoring force of the clamping spring 7 against the insertion direction 91.
  • the clamping leg 7b presses the electrical conductor 10's against the clamping cage 13 so that it is clamped in the spring-loaded terminal 1.
  • the actuating Schmidt structure 12d is wasted by the angle of rotation (not designated). As a result, it is issued in relation to its position below the pivot pin 12c. As a result, the counteracting contour 12d for the actuating contour 11f of the handle is easily accessible and can be actuated.
  • the pusher 11 can be shifted slightly in the insertion direction 91 and slightly against the transverse direction 93 (perpendicular to the insertion direction), so that the actuating contour 1 1 f of the pusher 1 1 interacts with the actuating counter contour 12d of the trigger element 12, and the trigger element 12 is rotated back against the direction of rotation 95.
  • the clamping leg 7b is pivoted in the pivoting direction 97 against the restoring force of the clamping spring 7 so that it releases the electrical conductor 10.
  • the conductor 10 can then be pulled out of the chamber 4 against the insertion direction 91.
  • the second of the two adjusting means is the pusher 1 1 for moving the clamping leg 7b
  • the pusher 1 1 is also in turn displaceable in an actuating channel 6 of the housing 3 in the plug-in direction X and is movable to a limited extent perpendicular to the plug-in direction and has a latching edge 11 on which it is inside the housing 3 on a latching hook 81 of the busbar 8 or other Housing arranged element in the latching state R (Fig. 1 1 a) can be latched.
  • the pusher 1 1 indirectly holds the clamping spring 7 correspondingly latched in the open position, the latching edge 1 1 h also being releasable from the latching state R in FIG. 11 a by opposing loading.
  • the released state is shown in Fig.
  • the latching hook 81 on the busbar can be designed as a hook-like and / or latching-edge-like section which is attached or bent out of the busbar 8.
  • the latching edge 11h is also formed on a type of flake section of the pusher 11.
  • the locking edge 1 1 h can be provided at the lower free end of the pusher 1 1 (Fig. 11 (a) to (d)) and the corresponding locking hook 81 of the power rail on a lower half of the pusher 1 1 and the clamping point (based busbar section 82 lying further in the housing on the conductor insertion direction.
  • This busbar section can be a busbar section 82 which is used to conductively connect two connections of the busbar. This can be seen particularly well in FIG.
  • Fig. 1 1 (d) shows the wired state after releasing the latching state and after inserting a conductor 10. This Lei ter 10 can have released the latching directly, but it can also be released by moving the lever 1 1.
  • Terminal block arrangement 150 snap-on means 16

Landscapes

  • Connections Arranged To Contact A Plurality Of Conductors (AREA)
  • Details Of Connecting Devices For Male And Female Coupling (AREA)

Abstract

L'invention concerne une borne à ressort (1), en particulier une borne à fiche directe, servant au raccord d'un conducteur (10), qui peut être réalisé comme conducteur toronné flexible, présentant au moins les caractéristiques suivantes : a. un boîtier (3) comportant une chambre (4) et un canal d'insertion (5) dans la chambre (4) destiné au conducteur, b. une barre conductrice (8) et/ou une cage de serrage (13), c. un ressort de serrage (7) agencé dans la chambre (4), agissant comme ressort à pression et comportant une branche de serrage, la branche de serrage (7b) du ressort de serrage pouvant sortir de l'état de verrouillage (R) au moyen d'un poussoir, d. le poussoir (11) présentant un bord de verrouillage (11h) sur lequel le poussoir peut être verrouillé à l'intérieur du boîtier (3) sur un crochet de verrouillage (81) de la barre conductrice (8) ou un autre élément agencé dans le boîtier dans l'état de verrouillage (R), le poussoir maintenant le ressort de serrage (7) de façon verrouillée correspondante dans la position ouverte, le bord de verrouillage (11h) du poussoir (11) pouvant sortir de l'état de verrouillage (R) par déplacement opposé.
EP20721537.7A 2019-05-03 2020-04-23 Borne à ressort destinée à un conducteur Active EP3963673B1 (fr)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
DE102019111453.5A DE102019111453A1 (de) 2019-05-03 2019-05-03 Federkraftklemme für Leiter
PCT/EP2020/061350 WO2020224979A1 (fr) 2019-05-03 2020-04-23 Borne à ressort destinée à un conducteur

Publications (2)

Publication Number Publication Date
EP3963673A1 true EP3963673A1 (fr) 2022-03-09
EP3963673B1 EP3963673B1 (fr) 2024-06-12

Family

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Application Number Title Priority Date Filing Date
EP20721537.7A Active EP3963673B1 (fr) 2019-05-03 2020-04-23 Borne à ressort destinée à un conducteur

Country Status (5)

Country Link
US (1) US12021339B2 (fr)
EP (1) EP3963673B1 (fr)
CN (1) CN113785443A (fr)
DE (1) DE102019111453A1 (fr)
WO (1) WO2020224979A1 (fr)

Families Citing this family (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP4037104A1 (fr) 2021-01-27 2022-08-03 Tyco Electronics France SAS Bloc terminal comprenant une barre conductrice avec une partie latérale
BE1029069B1 (de) * 2021-01-29 2022-08-29 Phoenix Contact Gmbh & Co Anschlussanordnung, Anschlussklemme und elektronisches Gerät
LU102794B1 (de) * 2021-04-29 2022-10-31 Phoenix Contact Gmbh & Co Betätigungselement, Anschlussanordnung, Anschlussklemme, elektronisches Gerät und Verfahren zum Montieren einer Anschlussklemme
LU502518B1 (de) * 2022-07-18 2024-01-18 Phoenix Contact Gmbh & Co Anschlussanordnung
DE102022118362A1 (de) 2022-07-22 2024-01-25 Phoenix Contact Gmbh & Co. Kg Anschlussklemme zum Anschließen einer elektrischen Leitung

Family Cites Families (10)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE20300266U1 (de) * 2003-01-08 2004-05-19 Bals Elektrotechnik Gmbh & Co. Kg Leiteranschlussklemme, insbesondere für Steckverbinder
DE202009005809U1 (de) * 2009-04-18 2010-09-16 Weidmüller Interface GmbH & Co. KG Stift- oder Buchsenkontakt mit Federklemme
DE202010008028U1 (de) 2009-07-18 2010-12-30 Weidmüller Interface GmbH & Co. KG Anschlussvorrichtung für Leiter
DE202013100740U1 (de) * 2013-02-19 2013-03-08 Weidmüller Interface GmbH & Co. KG Federkraftklemme für Leiter
DE102015118574A1 (de) * 2015-10-30 2017-05-04 Eaton Electrical Ip Gmbh & Co. Kg Kontaktierungsvorrichtung zum Kontaktieren eines elektrischen Leiters an eine elektrische Leiterbahn
DE102015120063B3 (de) * 2015-11-19 2017-01-12 Wago Verwaltungsgesellschaft Mbh Leiteranschlussklemme und Betätigungswerkzeug hierzu
DE202017103185U1 (de) * 2016-05-30 2017-09-01 Weidmüller Interface GmbH & Co. KG Federkraftklemme für Leiter
DE202017100038U1 (de) * 2017-01-06 2018-04-10 Wago Verwaltungsgesellschaft Mbh Leiteranschlussklemme
FR3062526B1 (fr) * 2017-02-02 2019-03-15 Hager-Electro Sas Dispositif de connexion d'un conducteur
WO2019174982A1 (fr) * 2018-03-13 2019-09-19 Weidmüller Interface GmbH & Co. KG Borne à ressort pour conducteur

Also Published As

Publication number Publication date
CN113785443A (zh) 2021-12-10
US20220190493A1 (en) 2022-06-16
US12021339B2 (en) 2024-06-25
WO2020224979A1 (fr) 2020-11-12
EP3963673B1 (fr) 2024-06-12
DE102019111453A1 (de) 2020-11-05

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