EP4010945B1 - Connection arrangement, connection terminal and electronic device - Google Patents

Connection arrangement, connection terminal and electronic device Download PDF

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Publication number
EP4010945B1
EP4010945B1 EP20751525.5A EP20751525A EP4010945B1 EP 4010945 B1 EP4010945 B1 EP 4010945B1 EP 20751525 A EP20751525 A EP 20751525A EP 4010945 B1 EP4010945 B1 EP 4010945B1
Authority
EP
European Patent Office
Prior art keywords
clamping
conductor
actuating
actuating element
connection arrangement
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.)
Active
Application number
EP20751525.5A
Other languages
German (de)
French (fr)
Other versions
EP4010945A1 (en
Inventor
Martin Gebhardt
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.)
Phoenix Contact GmbH and Co KG
Original Assignee
Phoenix Contact 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 Phoenix Contact GmbH and Co KG filed Critical Phoenix Contact GmbH and Co KG
Publication of EP4010945A1 publication Critical patent/EP4010945A1/en
Application granted granted Critical
Publication of EP4010945B1 publication Critical patent/EP4010945B1/en
Active legal-status Critical Current
Anticipated expiration legal-status Critical

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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
    • H01R13/00—Details of coupling devices of the kinds covered by groups H01R12/70 or H01R24/00 - H01R33/00
    • H01R13/02—Contact members
    • H01R13/193—Means for increasing contact pressure at the end of engagement of coupling part, e.g. zero insertion force or no friction
    • 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
    • H01R4/4828—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

Definitions

  • the invention relates to a connection arrangement for connecting an electrical conductor, which has a busbar, a clamping spring, by means of which the conductor to be connected is clamped against the busbar in a clamping position of the clamping spring, and an actuating element, by means of which the clamping spring can be transferred from the clamping position into an open position , having. Furthermore, the invention relates to a connection terminal with at least one connection arrangement designed in this way. The invention further relates to an electronic device.
  • connection arrangements usually have a clamping spring designed as a leg spring, which has a holding leg and a clamping leg, wherein a conductor inserted into the connection arrangement can be clamped against the busbar by means of the clamping leg of the clamping spring. If, in particular, flexible conductors are being clamped, the clamping spring must be moved into an open position by means of the actuating element before the conductor is inserted and thus actuated in order to pivot the clamping spring or the clamping leg away from the busbar so that the conductor can enter the space between the busbar and the clamping spring can be inserted.
  • the invention is therefore based on the object of making available a connection arrangement, a connection terminal and an electronic device in which the connection of, in particular, flexible conductors can be simplified.
  • connection arrangement is characterized in that a holding element is provided which, in the open position, engages with the actuating element in order to hold the actuating element in position, the holding element having a pressure surface, for transferring the clamping spring from the open position in the clamping position, the pressure surface can be actuated by the conductor to be connected and the holding element can be disengaged from the actuating element by actuating the pressure surface.
  • the clamping spring is preferably designed as a leg spring which has a holding leg and a clamping leg which is designed to be pivotable relative to the holding leg.
  • connection arrangement has a holding element which, when the clamping spring is in the open position, engages with the actuating element in such a way that the actuating element remains in the open position without additional manual actuation, so that the clamping spring or the clamping leg of the clamping spring can also be in the open position via the actuating element is held in such a way that, in particular, a flexible conductor can be inserted into the space thus formed between the conductor rail and the clamping spring.
  • the actuating element can thus be latched to the holding element in the open position.
  • the holding element has a pressure surface which is arranged flush with an insertion area of the conductor into the connection arrangement and thus in extension of a conductor insertion opening of the connection arrangement, so that the conductor abuts against the pressure surface of the holding element when being inserted into the connection arrangement.
  • Tilting movement can be offset in the direction of the insertion direction of the conductor, so that the holding element can be swiveled away or tilted away from the actuating element in the direction of insertion of the conductor. Due to the pivoting movement of the holding element, the holding element can be disengaged from the actuating element and thus released from the actuating element, so that the actuating element and thus the clamping spring can be transferred from the open position to the clamping position without manual assistance.
  • This special mechanism makes it particularly easy to connect a flexible conductor simply by inserting the conductor, without the user having to actuate other elements, such as the actuating element, on the connection arrangement in order to release the clamping spring and move from the open position to the clamping position convict.
  • the clamping leg of the clamping spring can be pivoted away from the busbar again by means of the actuating element until the open position is reached and the actuating element engages with the holding element in order to move the actuating element and, via the actuating element, the clamping spring in to keep this open position.
  • the holding element is preferably an element or component which is designed separately from the clamping spring and the busbar and which can be arranged in a conductor connection space of the connection arrangement.
  • the actuating element for transferring the clamping spring into the clamping position and into the open position can be guided along a direction of movement which is transverse to an actuating direction of the pressure surface of the holding element through the conductor to be connected.
  • the connection arrangement is thus preferably constructed in such a way that the direction of actuation or the direction of movement of the actuation element is formed transversely or perpendicularly to the direction of introduction of the conductor into the connection arrangement.
  • a channel formed in a housing of the connection arrangement, in which the actuating element can be guided, is thus preferably formed transversely or perpendicularly to a conductor insertion opening formed in this housing.
  • the conductor can be inserted via a side face of the housing on which the actuating element is not arranged, so that accidental actuation of the actuating element when connecting and thus when inserting the conductor into the housing can be avoided.
  • the direction of movement of the actuating element is preferably purely translatory, so that the actuating element can be moved along its longitudinal axis.
  • the pressure surface of the holding element is arranged behind the actuating element in the actuating direction.
  • the conductor to be connected must then be pushed in far enough for the conductor to be inserted into the connection arrangement via the actuating element. It can thus be ensured that the pressure surface is not unintentionally actuated and thus the actuating element and thus the clamping spring are not released from the open position unintentionally if the conductor has not yet been inserted far enough into the connection arrangement.
  • Such an arrangement of the holding element can ensure that the actuating element and thus the clamping spring are only transferred from the open position to the clamping position when the conductor has been pushed in far enough and is in the desired connection position between the clamping spring or the clamping leg of the clamping spring and the power rail is located.
  • the actuating element can have a free space for leading through the conductor to be connected towards the pressure surface of the holding element.
  • the free space can be in the form of a recess on the actuating element.
  • the free space formed on the actuating element is preferably formed flush with the pressure surface of the holding element in the direction of actuation of the conductor.
  • the clamping spring can have a clamping limb with a clamping lug and with at least one side lug arranged to the side of the clamping lug, wherein a clamping edge for clamping the conductor against the busbar can be formed on a free end of the clamping lug, and with the actuating element having the at least one to actuate the clamping spring Side flap can interact.
  • the actuation of the clamping limb by means of the actuating element can thus take place via a side lug of the clamping limb, which is provided in addition to the clamping lug of the clamping limb on which the clamping edge is formed.
  • the side flap preferably runs parallel to the clamping flap.
  • the side tab preferably forms an outer edge of the clamping leg. There is preferably a free space or space between the side flap and the clamping flap.
  • the clamping lug is preferably designed in relation to the at least one side lug in such a way that the clamping lug can protrude beyond the at least one side lug in the longitudinal direction of the clamping leg.
  • the actuating surface of the actuating element formed by the side flap can thus be set back on the clamping limb in relation to the clamping edge of the clamping limb in the direction of the flexible joint of the clamping spring, which connects the clamping limb to the holding limb.
  • the actuating element preferably has at least one actuating section, by means of which the actuating element can actuate the clamping leg.
  • the actuating section preferably interacts with the at least one side tab of the clamping leg.
  • the actuating section thus preferably forms an outside or an outer wall of the actuating element, which can simultaneously form a lateral guide for the conductor to be connected.
  • the actuation section can preferably be designed as an actuation finger.
  • the clamping leg can have a second side strap arranged to the side of the clamping strap, it being possible for the clamping strap to be arranged between the first side strap and the second side strap.
  • the clamping leg of the clamping spring can be embodied symmetrically with the two side straps and the clamping strap.
  • the clamping limb can thus be subjected to force on both sides of the clamping lug via the two side lugs during an actuation process by the actuating element, so that a particularly even force distribution can be achieved by means of the actuating element on the clamping limb of the clamping spring.
  • the actuating element preferably has two actuating sections arranged opposite one another, which can interact with the two side brackets to actuate the clamping spring, wherein a free space for the conductor to be connected to be fed through can be formed between the two actuating sections. If the clamping leg has two side tabs, a first actuating section of the actuating element can interact with a first side tab and a second actuating section of the actuating element can interact with a second side tab.
  • the actuator can a Have a U-shape, wherein an opening in the form of the free space can be formed by the two spaced-apart actuating sections, through which the conductor to be connected and in particular also a section of the busbar can be guided.
  • the two actuating sections can thus prevent the conductor to be connected from being incorrectly inserted laterally, both to the right and to the left.
  • the two actuating sections are preferably designed symmetrically to one another.
  • the two actuating sections are preferably of such a length in the direction of actuation of the actuating element that they can laterally overlap the conductor inserted into the housing and into the conductor connection space at any time, in particular in the open position and in the clamping position of the clamping leg of the clamping spring, so that the actuating sections can form a guide and lateral limitation for the conductor to be connected at any time.
  • the actuating element In order to be able to hold the actuating element securely and firmly in its position in the open position, so that an unintentional movement of the actuating element back into the clamping position can be prevented, provision can preferably be made for the actuating element to engage the holding element with the actuating element Locking element and the holding element have a counter-locking element.
  • the latching element and the counter-latching element can engage in one another in a form-fitting manner when the clamping spring or the actuating element is in the open position.
  • the actuating element can have a recess as a latching element, into which a projection of the holding element can engage as a counter-latching element in the open position, or the holding element can have a recess as a counter-latching element, in which a projection of the actuating element can engage as a latching element in the open position.
  • the actuating element In the open position, can be positively engaged with the holding element.
  • the cutout can be in the form of an undercut, for example.
  • the projection can be in the form of a forward bulge, for example.
  • the projection can also be designed as a tab.
  • the shape of the projection is preferably adapted to the shape of the recess in such a way that an unintentional release of the projection from the recess can be prevented. If the projection engages in the recess, a latch can be formed between the actuating element and the holding element.
  • the holding element can be mounted pivotably relative to the actuating element. This can happen if the conductor to be connected hits the pressure surface of the holding element Holding element are pivoted away from the actuating element in such a way that the holding element disengages from the actuating element and the actuating element is again freely movable in order to move from the open position into the clamping position.
  • the holding element can be designed to be spring-elastic at least in regions.
  • the compressive force to be applied by the conductor to the pressure surface in order to release the actuating element from the latching with the retaining element can be reduced by an at least regional spring elasticity of the retaining element.
  • the holding element is preferably designed to be spring-elastic in a region which is arranged outside of the pressure surface, so that the pressure surface can be designed to be sufficiently dimensionally stable even if the holding element has spring elasticity.
  • the holding element can have an elongate shape, for example.
  • the holding element can preferably be designed in the form of a web.
  • the holding element can preferably have a first end section and a second end section, wherein the first end section can be mounted in an interference fit and the second end section can be freely movable relative to the actuating element.
  • a secure, in particular positionally secure, arrangement of the holding element relative to the actuating element can thus be achieved via the first end section.
  • a tight fit means that the first end section is mounted in such a way that the first end section never moves.
  • the second end section is not mounted in a tight fit, but is exposed, so that the second end section can be moved relative to the actuating element.
  • the pressure surface of the holding element is preferably formed in the region of the second end section.
  • the first end section is preferably formed opposite the second end section on the holding element.
  • the tight fit of the first end section of the holding element can be formed by a housing of the connection arrangement, it being possible for the first end section of the holding element to be held clamped in the housing. Due to the jammed storage of the Retaining element in the housing, additional fastening means for holding the retaining element are not necessary.
  • the holding element can be held clamped between two walls of the housing.
  • the tight fit can thus be formed by clamping the holding element in the housing.
  • the housing can be designed in such a way that it accommodates the holding element, the busbar, the clamping spring and the actuating element, it being possible for the housing to have a conductor insertion opening for inserting the conductor to be connected.
  • connection terminal in particular a terminal block, which has at least one connection arrangement designed and developed as described above.
  • the connection terminal can be arranged on a printed circuit board, for example. If the connection terminal is designed as a terminal block, it can be arranged on a mounting rail.
  • connection terminal arrangement can be provided, which can have a plurality of connection terminals arranged in a row, each of which can have at least one connection arrangement designed and developed as described above.
  • the object according to the invention is achieved with an electronic device which has a connection arrangement designed and developed as described above or a connection terminal designed and developed as described above.
  • Figures 1 to 5 show a connection arrangement 100 for connecting an electrical conductor, not shown here.
  • the connection arrangement 100 has a housing 10 which can be formed from an insulating material.
  • a conductor connection space 11 is formed in the housing 10, within which an electrical conductor introduced into the housing 10 can be clamped and thus electrically connected.
  • the housing 10 In order to insert the conductor into the conductor connection space 11 , the housing 10 has a conductor insertion opening 12 which opens into the conductor connection space 11 .
  • the conductor to be connected can be inserted into the conductor connection space 11 along an insertion direction E via the conductor insertion opening 12 .
  • a conductor rail 13 is arranged in the conductor connection space 11 of the housing 10, against which the conductor to be connected can be clamped in order to electrically connect the conductor.
  • a clamping spring 14 is also arranged in the conductor connection space 11 for clamping the conductor to be connected against the busbar 13 .
  • the clamping spring 14 is designed as a torsion spring.
  • the clamping spring 14 has a holding leg 15 , a clamping leg 16 and an arcuate flexible joint 17 , the flexible joint 17 connecting the holding leg 15 to the clamping leg 16 .
  • the holding leg 15 is arranged in a positionally stable manner in the conductor connection space 11 .
  • the clamping leg 16, on the other hand, can be moved, in particular pivoted, relative to the holding leg 15.
  • the clamping leg 16 and thus the clamping spring 14 can through the Pivotability of the clamping leg 16 are moved into an open position and into a clamping position.
  • the clamping leg 16 In the open position as shown in 4 and 5 is shown, the clamping leg 16 is pivoted away from the current bar 13, so that a free space is formed between the clamping leg 16 and the current bar 13, into which a conductor to be connected can be inserted.
  • a clamping position of the clamping leg 16 is shown, in which the clamping leg 16 itself rests against the current bar 13 when no conductor is inserted into the conductor connection space 11, and when the conductor is inserted, the clamping leg 16 presses or clamps the conductor 200 against the current bar 13.
  • an actuating element 18 is provided, which is mounted in the housing 10 such that it can be displaced along a direction of movement B.
  • the actuating element 18 When the actuating element 18 is displaced, the actuating element 18 performs a purely translatory movement along the direction of movement B and thus along its longitudinal axis.
  • the actuating element 18 presses from above onto the clamping leg 16 of the clamping spring 14.
  • the clamping leg 16 of the clamping spring 14 has a clamping lug 19 and two side lugs 20 , 21 arranged laterally of the clamping lug 19 .
  • the clamping lug 19 is arranged between the two side lugs 20,21.
  • a clamping edge 22 is formed at a free end of the clamping lug 19, by means of which the clamping leg 16 and thus the clamping lug 19 rests in the clamped position on the conductor rail 13 or on the connected conductor.
  • the clamping leg 16 of the clamping spring 14 is actuated by the actuating element 18 via the two side lugs 20, 21, which run parallel to the clamping lug 19, in that the actuating element 18 applies a compressive force to the two side lugs 20, 21 in the direction of movement B.
  • the clamping lug 19 is substantially longer than the two side lugs 20, 21, so that the clamping lug 19 protrudes beyond the two side lugs 20, 21 in the longitudinal direction of the clamping leg 16.
  • the side flaps 20, 21 are each formed in a runner-shaped manner.
  • the clamping lug 19, on the other hand, is straight.
  • the actuating element 18 has two actuating sections 23, 24 which are arranged parallel to one another and which interact with the two side straps 20, 21 in each case. Due to the two spaced apart actuating sections 23, 24, the actuating element 18 has a U-shape, with the two spaced apart actuating sections 23, 24 forming an opening in the form of a free space 25 through which the conductor to be connected and also a section 26 of the conductor rail 13, against which the conductor to be connected is clamped, are guided. The clamping lug 19 of the clamping leg 16 dips into the free space 25 between the two actuating sections 23, 24. The free space 25 is shown in the sectional representations of the actuating element 18 in 3 and 5 to recognize.
  • the two actuating sections 23, 24 can prevent the conductor to be connected from being incorrectly inserted laterally both to the right and to the left of the conductor rail 13.
  • the two actuating sections 23, 24 are designed so long in the direction of movement B of the actuating element 18 that they can be inserted into the housing 10 and into the conductor connection space 11 at any time, in particular in the open position and in the clamping position of the clamping leg 16 of the clamping spring 14 Overlap conductors laterally, so that the actuating sections 23, 24 form a guide and lateral boundary for the conductor to be connected at all times.
  • a holding element 27 is arranged in the housing 10, which is in the open position of the clamping spring 14 in engagement with the actuating element 18 in order to close the actuating element 18 and thus the clamping spring 14, since the actuating element 18 presses on the clamping spring 14, in the open position hold.
  • the holding element 27 has a pressure surface 28 which extends transversely or perpendicularly to the insertion direction E of the conductor into the housing 10 .
  • the actuating element 18 By disengaging, the actuating element 18 can be pushed upwards by the compressive force acting on the actuating element 18 from the clamping leg 16, so that the actuating element 18 and thus the clamping spring 14 or the clamping leg 16 of the clamping spring 14 automatically move from the open position to the Clamping position can pivot in order to clamp the inserted conductor against the conductor rail 13 can.
  • the pressure surface 28 is arranged flush with the conductor insertion opening 12 and thus in an extension of the conductor insertion opening 12, so that when the conductor is inserted into the conductor connection space 11 via the conductor insertion opening 12, the conductor is guided towards the pressure surface 28 of the holding element 27.
  • the conductor to be connected is passed through the free space 25 formed in the actuating element 18 .
  • the actuation direction R of the pressure surface 28 of the holding element 27 by the cable to be connected extends parallel to the insertion direction E or in the insertion direction E of the conductor into the housing 10 of the connection arrangement 100.
  • the holding element 27 and thus also the pressure surface 28 of the holding element 27 is arranged behind the operating element 18 as viewed in the operating direction R.
  • the conductor to be connected therefore first passes the actuating element 18 in that its front end in the insertion direction E is guided through the actuating element 18 via the free space 25 until this front end abuts the pressure surface 28 of the holding element 27, preferably at a 90° angle.
  • the holding element 27 is designed to be resilient here, at least in some areas, in order to be able to pivot the pressure surface 28 when a conductor presses against the pressure surface 28 . If the conductor strikes the pressure surface 28 of the holding element 27, the holding element 27 or the pressure surface 28 of the holding element 27 pivots relative to the actuating element 18, in that the holding element 27 or the pressure surface 28 is pivoted away from the actuating element 28.
  • the actuating element 18 has a recess 29 in the embodiment shown here.
  • the holding element 27 has a pointing in the direction of the actuating element 18 projection 30 which in the open position can positively engage in the recess 29 of the actuating element 18, as in 4 and 5 can be seen.
  • two projections 30 are formed on the holding element 27 and two recesses 29 are formed on the actuating element 18 .
  • One of the two recesses 29 can then be formed on one of the two actuating sections 23, 24 of the actuating element 18, so that each of the two actuating sections 23, 24 can have a recess 29.
  • the two projections 30 are then preferably arranged at a distance from one another in the transverse direction of the holding element 27 .
  • the pressure surface 28 of the holding element 27 can be formed between the two projections 30 so that the pressure surface 28 can be delimited to the right and left of the projections 30 laterally, in particular in the transverse direction of the holding element 27 .
  • the holding element 27 can be formed from a spring steel sheet.
  • the spring plate can have two tabs that are punched out, which are bent in such a way that they form projections 30 pointing in the direction of the actuating element 18 .
  • the projections 30 can each have a V-shape, for example.
  • the holding element 27 has a first end section 31 and a second end section 32 .
  • the holding element 27 is mounted in a tight fit on the housing 10 via the first end section 31, in that the first end section 32 is arranged in a cutout 33 of the housing 10 and is held clamped between the walls 34, 35 of the cutout 33 delimiting the cutout 33.
  • the second end section 32 of the holding element 27 is mounted so that it can move freely relative to the actuating element 18 .
  • the pressure surface 28 is formed on the second end section 32 .
  • the projection 30 is formed on the second end portion 32 .
  • the holding element 27 is arranged here with its second end section 32 between the actuating element 18 and a further partial section 36 of the busbar 13 . This section 36 extends perpendicularly to the section 26 of the conductor rail 13 against which the conductor to be connected can be clamped.
  • the housing 10 has a channel 36 within which the actuating element 18 is guided.
  • the channel 37 extends essentially perpendicularly to the conductor entry opening 12. Both the channel 37 and the conductor entry opening 12 open into the conductor connection space 11.

Landscapes

  • Connections Arranged To Contact A Plurality Of Conductors (AREA)

Description

Die Erfindung betrifft eine Anschlussanordnung zum Anschließen eines elektrischen Leiters, welche eine Stromschiene, eine Klemmfeder, mittels welcher der anzuschließenden Leiter in einer Klemmstellung der Klemmfeder gegen die Stromschiene geklemmt ist, und ein Betätigungselement, mittels welchem die Klemmfeder von der Klemmposition in eine Offenstellung überführbar ist, aufweist. Ferner betrifft die Erfindung eine Anschlussklemme mit mindestens einer derartig ausgebildeten Anschlussanordnung. Weiter betrifft die Erfindung ein elektronisches Gerät.The invention relates to a connection arrangement for connecting an electrical conductor, which has a busbar, a clamping spring, by means of which the conductor to be connected is clamped against the busbar in a clamping position of the clamping spring, and an actuating element, by means of which the clamping spring can be transferred from the clamping position into an open position , having. Furthermore, the invention relates to a connection terminal with at least one connection arrangement designed in this way. The invention further relates to an electronic device.

Derartige Anschlussanordnungen weisen üblicherweise eine als Schenkelfeder ausgebildete Klemmfeder auf, welche einen Halteschenkel und einen Klemmschenkel aufweist, wobei ein in die Anschlussanordnung eingeführter Leiter mittels des Klemmschenkels der Klemmfeder gegen die Stromschiene klemmbar ist. Werden insbesondere flexible Leiter geklemmt, so muss die Klemmfeder bereits vor einem Einführen des Leiters mittels des Betätigungselements in eine Offenstellung überführt und damit betätigt werden, um die Klemmfeder bzw. den Klemmschenkel von der Stromschiene wegzuverschwenken, damit der Leiter in den Zwischenraum zwischen der Stromschiene und der Klemmfeder eingeführt werden kann. Lediglich bei starren und damit stabilen Leitern kann der Leiter genügend Kraft auf die Klemmfeder bzw. den Klemmschenkel der Klemmfeder aufbringen, um den Klemmschenkel von der Stromschiene wegverschwenken zu können, ohne dass hierfür das Betätigungselement durch einen Benutzer betätigt werden muss. Bei flexiblen Leitern muss der Benutzer zunächst durch Betätigen des Betätigungselements die Klemmfeder von der Stromschiene wegverschwenken, damit der flexible Leiter eingeführt werden kann. Zum Klemmen des eingeführten Leiters muss das Betätigungselement ein weiteres Mal durch den Benutzer manuell betätigt werden, um die Klemmfeder von der Offenstellung in die Klemmstellung zu überführen. Das Betätigen des Betätigungselementes von dem Benutzer erschwert die Montage bzw. das Anschließen des Leiters für den Benutzer, da die Handhabung umständlich ist und damit auch der Zeitaufwand steigt. CN 203166134U offenbart eine Anschlussanordnung gemäß dem Oberbegriff von Anspruch 1.Such connection arrangements usually have a clamping spring designed as a leg spring, which has a holding leg and a clamping leg, wherein a conductor inserted into the connection arrangement can be clamped against the busbar by means of the clamping leg of the clamping spring. If, in particular, flexible conductors are being clamped, the clamping spring must be moved into an open position by means of the actuating element before the conductor is inserted and thus actuated in order to pivot the clamping spring or the clamping leg away from the busbar so that the conductor can enter the space between the busbar and the clamping spring can be inserted. Only in the case of rigid and therefore stable conductors can the conductor exert sufficient force on the clamping spring or the clamping leg of the clamping spring to pivot the clamping leg away from the conductor rail without the user having to actuate the actuating element for this purpose. In the case of flexible conductors, the user must first pivot the clamping spring away from the conductor rail by actuating the actuating element, so that the flexible conductor can be inserted. To clamp the inserted conductor, the operating element has to be actuated manually again by the user in order to move the clamping spring from the open position to the clamping position. The actuation of the actuating element by the user makes the assembly or connection of the conductor more difficult for the user, since handling is cumbersome and therefore also increases the time required. CN 203166134U discloses a terminal assembly according to the preamble of claim 1.

Der Erfindung liegt daher die Aufgabe zu Grunde, eine Anschlussanordnung, eine Anschlussklemme sowie ein elektronisches Gerät zur Verfügung zu stellen, bei welchen das Anschließen von insbesondere flexiblen Leitern vereinfacht werden kann.The invention is therefore based on the object of making available a connection arrangement, a connection terminal and an electronic device in which the connection of, in particular, flexible conductors can be simplified.

Die Aufgabe wird erfindungsgemäß mit den Merkmalen der unabhängigen Ansprüche gelöst. Zweckmäßige Ausgestaltungen und vorteilhafte Weiterbildungen der Erfindung sind in den Unteransprüchen angegeben.The object is achieved according to the invention with the features of the independent claims. Expedient configurations and advantageous developments of the invention are specified in the dependent claims.

Die Anschlussanordnung gemäß der Erfindung zeichnet sich dadurch aus, dass ein Halteelement vorgesehen ist, welches in der Offenstellung in Eingriff mit dem Betätigungselement ist, um das Betätigungselement in Position zu halten, wobei das Halteelement eine Druckfläche aufweist, wobei zur Überführung der Klemmfeder von der Offenstellung in die Klemmstellung die Druckfläche durch den anzuschließenden Leiter betätigbar ist und durch die Betätigung der Druckfläche das Halteelement außer Eingriff mit dem Betätigungselement bringbar ist.The connection arrangement according to the invention is characterized in that a holding element is provided which, in the open position, engages with the actuating element in order to hold the actuating element in position, the holding element having a pressure surface, for transferring the clamping spring from the open position in the clamping position, the pressure surface can be actuated by the conductor to be connected and the holding element can be disengaged from the actuating element by actuating the pressure surface.

Mittels der erfindungsgemäßen Anschlussanordnung kann nunmehr auch ein flexibler Leiter ohne eine manuelle Betätigung des Betätigungselements angeschlossen und gegen die Stromschiene geklemmt werden. Die Klemmfeder ist bevorzugt als Schenkelfeder ausgebildet, welche einen Halteschenkel und einen relativ zu dem Halteschenkel verschwenkbar ausgebildeten Klemmschenkel aufweist. Durch eine Verschwenkbewegung des Klemmschenkels kann dieser in eine Offenstellung, in welcher der Klemmschenkel beabstandet zu der Stromschiene angeordnet ist und ein anzuschließender Leiter in einen dadurch ausgebildeten Zwischenraum zwischen der Stromschiene und dem Klemmschenkel einführbar oder aus diesem herausführbar ist, und in eine Klemmstellung, in welcher der Klemmschenkel an der Stromschiene oder an dem angeschlossenen Leiter, um den Leiter gegen die Stromschiene zu klemmen, anliegen kann, überführbar ist. Die Anschlussanordnung weist ein Halteelement auf, welches in der Offenstellung der Klemmfeder derart in Eingriff mit dem Betätigungselement ist, dass das Betätigungselement ohne zusätzliche manuelle Betätigung in der Offenstellung verbleibt, so dass auch die Klemmfeder bzw. der Klemmschenkel der Klemmfeder über das Betätigungselement in der Offenstellung derart gehalten ist, dass insbesondere ein flexibler Leiter in den dadurch ausgebildeten Zwischenraum zwischen der Stromschiene und der Klemmfeder eingeführt werden kann. Das Betätigungselement kann damit in der Offenstellung mit dem Halteelement verrastet sein. Das Halteelement weist eine Druckfläche auf, welche fluchtend mit einem Einführbereich des Leiters in die Anschlussanordnung und damit in Verlängerung einer Leitereinführungsöffnung der Anschlussanordnung angeordnet ist, so dass der Leiter beim Einführen in die Anschlussanordnung gegen die Druckfläche des Halteelements stößt. Durch die Aufbringung einer Druckkraft mittels des Leiters auf die Druckfläche kann das Halteelement in eine Verschwenkbewegung bzw.By means of the connection arrangement according to the invention, a flexible conductor can now also be connected and clamped against the busbar without manual actuation of the actuating element. The clamping spring is preferably designed as a leg spring which has a holding leg and a clamping leg which is designed to be pivotable relative to the holding leg. By pivoting the clamping limb, it can be moved into an open position, in which the clamping limb is arranged at a distance from the conductor rail and a conductor to be connected can be inserted into or out of an intermediate space formed between the conductor rail and the clamping limb, and into a clamping position in which the clamping leg can rest on the busbar or on the connected conductor in order to clamp the conductor against the busbar, can be transferred. The connection arrangement has a holding element which, when the clamping spring is in the open position, engages with the actuating element in such a way that the actuating element remains in the open position without additional manual actuation, so that the clamping spring or the clamping leg of the clamping spring can also be in the open position via the actuating element is held in such a way that, in particular, a flexible conductor can be inserted into the space thus formed between the conductor rail and the clamping spring. The actuating element can thus be latched to the holding element in the open position. The holding element has a pressure surface which is arranged flush with an insertion area of the conductor into the connection arrangement and thus in extension of a conductor insertion opening of the connection arrangement, so that the conductor abuts against the pressure surface of the holding element when being inserted into the connection arrangement. By applying a compressive force to the pressure surface using the conductor, the holding element can be pivoted or pivoted.

Verkippbewegung in Richtung der Einführungsrichtung des Leiters versetzt werden, so dass das Halteelement in Einführungsrichtung des Leiters von dem Betätigungselement wegverschwenkt bzw. wegverkippt werden kann. Durch die Verschwenkbewegung des Halteelements, kann das Halteelement außer Eingriff mit dem Betätigungselement gebracht werden und damit von dem Betätigungselement gelöst werden, so dass das Betätigungselement und damit die Klemmfeder ohne manuelle Hilfe von der Offenstellung in die Klemmstellung überführt werden kann. Durch diesen speziellen Mechanismus kann ein Anschließen eines flexiblen Leiters besonders einfach alleine durch die Einführbewegung des Leiters erfolgen, ohne dass ein Benutzer weitere Elemente, wie beispielsweise das Betätigungselement, an der Anschlussanordnung betätigen muss, um die Klemmfeder freizugeben und von der Offenstellung in die Klemmstellung zu überführen. Dies erleichtert die Handhabung der Anschlussanordnung und spart Zeit beim Anschließen eines Leiters. Um den anzuschließenden Leiter wieder aus der Klemmstellung zu lösen, kann mittels des Betätigungselements der Klemmschenkel der Klemmfeder wieder von der Stromschiene wegverschwenkt werden bis die Offenstellung erreicht ist und das Betätigungselement in Eingriff mit dem Halteelement gelangt, um das Betätigungselement und über das Betätigungselement die Klemmfeder in dieser Offenstellung zu halten. Das Halteelement ist vorzugsweise ein separat zu der Klemmfeder und der Stromschiene ausgebildetes Element bzw. Bauteil, welches in einem Leiteranschlussraum der Anschlussanordnung angeordnet sein kann.Tilting movement can be offset in the direction of the insertion direction of the conductor, so that the holding element can be swiveled away or tilted away from the actuating element in the direction of insertion of the conductor. Due to the pivoting movement of the holding element, the holding element can be disengaged from the actuating element and thus released from the actuating element, so that the actuating element and thus the clamping spring can be transferred from the open position to the clamping position without manual assistance. This special mechanism makes it particularly easy to connect a flexible conductor simply by inserting the conductor, without the user having to actuate other elements, such as the actuating element, on the connection arrangement in order to release the clamping spring and move from the open position to the clamping position convict. This facilitates the handling of the connection arrangement and saves time when connecting a conductor. In order to release the conductor to be connected from the clamping position again, the clamping leg of the clamping spring can be pivoted away from the busbar again by means of the actuating element until the open position is reached and the actuating element engages with the holding element in order to move the actuating element and, via the actuating element, the clamping spring in to keep this open position. The holding element is preferably an element or component which is designed separately from the clamping spring and the busbar and which can be arranged in a conductor connection space of the connection arrangement.

Bevorzugt ist es vorgesehen, dass das Betätigungselement zur Überführung der Klemmfeder in die Klemmstellung und in die Offenstellung entlang einer Bewegungsrichtung führbar ist, welche quer zu einer Betätigungsrichtung der Druckfläche des Halteelements durch den anzuschließenden Leiter ist. Die Anschlussanordnung ist somit bevorzugt derart aufgebaut, dass die Betätigungsrichtung bzw. die Bewegungsrichtung des Betätigungselements quer bzw. senkrecht zur Einführungsrichtung des Leiters in die Anschlussordnung ausgebildet ist. Ein in einem Gehäuse der Anschlussanordnung ausgebildeter Kanal, in welchem das Betätigungselement geführt sein kann, ist damit vorzugsweise quer bzw. senkrecht zu einer in diesem Gehäuse ausgebildeten Leitereinführungsöffnung ausgebildet. Dadurch kann der Leiter über eine Seitenfläche des Gehäuses eingeführt werden, an welcher gerade nicht das Betätigungselement angeordnet ist, so dass ein versehentliches Betätigen des Betätigungselements beim Anschließen und damit beim Einführen des Leiters in das Gehäuse vermieden werden kann. Die Bewegungsrichtung des Betätigungselements ist vorzugsweise rein translatorisch ausgebildet, so dass das Betätigungselement entlang seiner Längsachse bewegt werden kann.It is preferably provided that the actuating element for transferring the clamping spring into the clamping position and into the open position can be guided along a direction of movement which is transverse to an actuating direction of the pressure surface of the holding element through the conductor to be connected. The connection arrangement is thus preferably constructed in such a way that the direction of actuation or the direction of movement of the actuation element is formed transversely or perpendicularly to the direction of introduction of the conductor into the connection arrangement. A channel formed in a housing of the connection arrangement, in which the actuating element can be guided, is thus preferably formed transversely or perpendicularly to a conductor insertion opening formed in this housing. As a result, the conductor can be inserted via a side face of the housing on which the actuating element is not arranged, so that accidental actuation of the actuating element when connecting and thus when inserting the conductor into the housing can be avoided. The direction of movement of the actuating element is preferably purely translatory, so that the actuating element can be moved along its longitudinal axis.

Bei einer derartigen Ausbildung der Bewegungsrichtung des Betätigungselements relativ zu der Betätigungsrichtung der Druckfläche durch den anzuschließenden Leiter ist es bevorzugt vorgesehen, dass die Druckfläche des Halteelements in Betätigungsrichtung hinter dem Betätigungselement angeordnet ist. Zum Betätigen der Druckfläche muss dann der anzuschließende Leiter derart weit eingeschoben werden, dass der Leiter über das Betätigungselement hinaus in die Anschlussanordnung eingeführt werden muss. Damit kann sichergestellt werden, dass kein ungewolltes Betätigen der Druckfläche und damit ein ungewolltes Lösen des Betätigungselements und damit der Klemmfeder aus der Offenstellung erfolgt, wenn der Leiter noch nicht ausreichend weit in die Anschlussanordnung eingeführt ist. Durch eine derartige Anordnung des Halteelements kann sichergestellt werden, dass das Betätigungselement und damit die Klemmfeder erst dann von der Offenstellung in die Klemmstellung überführt werden, wenn der Leiter ausreichend weit eingeschoben ist und sich in der gewünschten Anschlussposition zwischen der Klemmfeder bzw. dem Klemmschenkel der Klemmfeder und der Stromschiene befindet.With such a design of the movement direction of the actuating element relative to the actuating direction of the pressure surface by the conductor to be connected, it is preferably provided that the pressure surface of the holding element is arranged behind the actuating element in the actuating direction. To actuate the pressure surface, the conductor to be connected must then be pushed in far enough for the conductor to be inserted into the connection arrangement via the actuating element. It can thus be ensured that the pressure surface is not unintentionally actuated and thus the actuating element and thus the clamping spring are not released from the open position unintentionally if the conductor has not yet been inserted far enough into the connection arrangement. Such an arrangement of the holding element can ensure that the actuating element and thus the clamping spring are only transferred from the open position to the clamping position when the conductor has been pushed in far enough and is in the desired connection position between the clamping spring or the clamping leg of the clamping spring and the power rail is located.

Um den anzuschließenden Leiter an dem Betätigungselement vorbeiführen zu können, kann das Betätigungselement einen Freiraum zum Durchführen des anzuschließenden Leiters hin zu der Druckfläche des Halteelements aufweisen. Der Freiraum kann in Form einer Aussparung an dem Betätigungselement ausgebildet sein. Der an dem Betätigungselement ausgebildete Freiraum ist in Betätigungsrichtung des Leiters vorzugsweise fluchtend mit der Druckfläche des Halteelements ausgebildet.In order to be able to guide the conductor to be connected past the actuating element, the actuating element can have a free space for leading through the conductor to be connected towards the pressure surface of the holding element. The free space can be in the form of a recess on the actuating element. The free space formed on the actuating element is preferably formed flush with the pressure surface of the holding element in the direction of actuation of the conductor.

Die Klemmfeder kann einen Klemmschenkel mit einer Klemmlasche und mit mindestens einer seitlich der Klemmlasche angeordneten Seitenlasche aufweisen, wobei an einem freien Ende der Klemmlasche eine Klemmkante zum Klemmen des Leiters gegen die Stromschiene ausgebildet sein kann und wobei zum Betätigen der Klemmfeder das Betätigungselement mit der mindestens einen Seitenlasche zusammenwirken kann. Die Betätigung des Klemmschenkels mittels des Betätigungselements kann damit über eine Seitenlasche des Klemmschenkels erfolgen, welche zusätzlich zu der Klemmlasche des Klemmschenkels vorgesehen ist, an welcher die Klemmkante ausgebildet ist. Damit kann die Funktion des Betätigens des Klemmschenkels mittels des Betätigungselements von der Klemmung des anzuschließenden Leiters über die Klemmlasche des Klemmschenkels getrennt werden. Die Seitenlasche verläuft vorzugsweise parallel zu der Klemmlasche. Die Seitenlasche bildet vorzugsweise eine Außenkante des Klemmschenkels aus. Zwischen der Seitenlasche und der Klemmlasche ist vorzugsweise ein Freiraum bzw.The clamping spring can have a clamping limb with a clamping lug and with at least one side lug arranged to the side of the clamping lug, wherein a clamping edge for clamping the conductor against the busbar can be formed on a free end of the clamping lug, and with the actuating element having the at least one to actuate the clamping spring Side flap can interact. The actuation of the clamping limb by means of the actuating element can thus take place via a side lug of the clamping limb, which is provided in addition to the clamping lug of the clamping limb on which the clamping edge is formed. In this way, the function of actuating the clamping limb by means of the actuating element can be separated from the clamping of the conductor to be connected via the clamping lug of the clamping limb. The side flap preferably runs parallel to the clamping flap. The side tab preferably forms an outer edge of the clamping leg. There is preferably a free space or space between the side flap and the clamping flap.

Spalt ausgebildet, so dass die Seitenlasche vorzugsweise beabstandet zu der Klemmlasche ausgebildet ist, wobei an einem freien Ende der Seitenlasche diese vorzugsweise einstückig an der Klemmlasche angebunden ist.Gap formed so that the side flap is preferably formed at a distance from the clamping flap, wherein at a free end of the side flap this is preferably integrally connected to the clamping flap.

Bevorzugt ist die Klemmlasche im Verhältnis zu der mindestens einen Seitenlasche derart ausgebildet, dass die Klemmlasche in Längsrichtung des Klemmschenkels die mindestens eine Seitenlasche überragen kann. Damit kann die durch die Seitenlasche ausgebildete Betätigungsfläche des Betätigungselements auf den Klemmschenkel im Verhältnis zu der Klemmkante des Klemmschenkels in Richtung des Biegegelenks der Klemmfeder, welches den Klemmschenkel mit dem Halteschenkel verbindet, zurückversetzt sein.The clamping lug is preferably designed in relation to the at least one side lug in such a way that the clamping lug can protrude beyond the at least one side lug in the longitudinal direction of the clamping leg. The actuating surface of the actuating element formed by the side flap can thus be set back on the clamping limb in relation to the clamping edge of the clamping limb in the direction of the flexible joint of the clamping spring, which connects the clamping limb to the holding limb.

Das Betätigungselement weist vorzugsweise mindestens einen Betätigungsabschnitt auf, mittels welchem das Betätigungselement den Klemmschenkel betätigen kann. Der Betätigungsabschnitt wirkt vorzugsweise mit der mindestens einen Seitenlasche des Klemmschenkels zusammen. Der Betätigungsabschnitt bildet damit vorzugsweise eine Außenseite bzw. eine Außenwand des Betätigungselements aus, welche gleichzeitig eine seitliche Führung des anzuschließenden Leiters ausbilden kann. Bevorzugt kann der Betätigungsabschnitt als Betätigungsfinger ausgebildet sein.The actuating element preferably has at least one actuating section, by means of which the actuating element can actuate the clamping leg. The actuating section preferably interacts with the at least one side tab of the clamping leg. The actuating section thus preferably forms an outside or an outer wall of the actuating element, which can simultaneously form a lateral guide for the conductor to be connected. The actuation section can preferably be designed as an actuation finger.

Der Klemmschenkel kann eine zweite seitlich der Klemmlasche angeordnete Seitenlasche aufweisen, wobei die Klemmlasche zwischen der ersten Seitenlasche und der zweiten Seitenlasche angeordnet sein kann. Damit kann der Klemmschenkel der Klemmfeder mit den beiden Seitenlaschen und der Klemmlasche symmetrisch ausgebildet sein. Der Klemmschenkel kann damit zu beiden Seiten der Klemmlasche über die beiden Seitenlaschen während eines Betätigungsvorgangs von dem Betätigungselement mit Kraft beaufschlagt werden, so dass eine besonders gleichmäßige Kraftverteilung mittels des Betätigungselements auf den Klemmschenkel der Klemmfeder erreicht werden kann.The clamping leg can have a second side strap arranged to the side of the clamping strap, it being possible for the clamping strap to be arranged between the first side strap and the second side strap. In this way, the clamping leg of the clamping spring can be embodied symmetrically with the two side straps and the clamping strap. The clamping limb can thus be subjected to force on both sides of the clamping lug via the two side lugs during an actuation process by the actuating element, so that a particularly even force distribution can be achieved by means of the actuating element on the clamping limb of the clamping spring.

Bevorzugt weist das Betätigungselement zwei sich gegenüberliegend angeordnete Betätigungsabschnitte auf, welche zum Betätigen der Klemmfeder mit den zwei Seitenlaschen zusammenwirken können, wobei zwischen den beiden Betätigungsabschnitten ein Freiraum zum Durchführen des anzuschließenden Leiters ausgebildet sein kann. Weist der Klemmschenkel zwei Seitenlaschen auf, so kann ein erster Betätigungsabschnitt des Betätigungselements mit einer ersten Seitenlasche zusammenwirken und ein zweiter Betätigungsabschnitt des Betätigungselements kann mit einer zweiten Seitenlasche zusammenwirken. Durch die beiden Betätigungsabschnitte kann das Betätigungselement eine U-Form aufweisen, wobei durch die beiden beabstandet zueinander angeordneten Betätigungsabschnitte eine Öffnung in Form des Freiraums ausgebildet sein kann, durch welche der anzuschließende Leiter und insbesondere auch ein Teilabschnitt der Stromschiene geführt sein kann. Die beiden Betätigungsabschnitte können damit ein seitliches Fehlstecken des anzuschließenden Leiters sowohl nach rechts als auch nach links verhindern. Die beiden Betätigungsabschnitte sind vorzugsweise symmetrisch zueinander ausgebildet. Die beiden Betätigungsabschnitte sind vorzugsweise in Betätigungsrichtung des Betätigungselements derart lang ausgebildet, dass sie zu jedem Zeitpunkt, insbesondere in der Offenstellung und in der Klemmstellung des Klemmschenkels der Klemmfeder, den in das Gehäuse und in den Leiteranschlussraum eingeführten Leiter seitlich überlappen können, so dass die Betätigungsabschnitte zu jedem Zeitpunkt eine Führung und seitliche Begrenzung für den anzuschließenden Leiter ausbilden können.The actuating element preferably has two actuating sections arranged opposite one another, which can interact with the two side brackets to actuate the clamping spring, wherein a free space for the conductor to be connected to be fed through can be formed between the two actuating sections. If the clamping leg has two side tabs, a first actuating section of the actuating element can interact with a first side tab and a second actuating section of the actuating element can interact with a second side tab. Through the two operating sections, the actuator can a Have a U-shape, wherein an opening in the form of the free space can be formed by the two spaced-apart actuating sections, through which the conductor to be connected and in particular also a section of the busbar can be guided. The two actuating sections can thus prevent the conductor to be connected from being incorrectly inserted laterally, both to the right and to the left. The two actuating sections are preferably designed symmetrically to one another. The two actuating sections are preferably of such a length in the direction of actuation of the actuating element that they can laterally overlap the conductor inserted into the housing and into the conductor connection space at any time, in particular in the open position and in the clamping position of the clamping leg of the clamping spring, so that the actuating sections can form a guide and lateral limitation for the conductor to be connected at any time.

Um das Betätigungselement in der Offenstellung sicher und fest in seiner Position halten zu können, so dass eine ungewollte Bewegung des Betätigungselements zurück in die Klemmstellung verhindert werden kann, kann es vorzugsweise vorgesehen sein, dass zum in Eingriff bringen des Halteelements mit dem Betätigungselement das Betätigungselement ein Rastelement und das Halteelement ein Gegenrastelement aufweisen. Das Rastelement und das Gegenrastelement können in der Offenstellung der Klemmfeder bzw. des Betätigungselements formschlüssig ineinandergreifen. Beispielsweise kann das Betätigungselement als Rastelement eine Aussparung aufweisen, in welche ein Vorsprung des Halteelements als Gegenrastelement in der Offenstellung eingreifen kann, oder das Halteelement kann als Gegenrastelement eine Aussparung aufweisen, in welche ein Vorsprung des Betätigungselements als Rastelement in der Offenstellung eingreifen kann. In der Offenstellung kann das Betätigungselement mit dem Halteelement formschlüssig in Eingriff sein. Die Aussparung kann beispielsweise in Form eines Hinterschnitts ausgebildet sein. Der Vorsprung kann beispielsweise in Form einer nach vorne stehenden Wölbung ausgebildet sein. Der Vorsprung kann auch als Lasche ausgebildet sein. Die Form des Vorsprungs ist vorzugsweise an die Form der Aussparung derart angepasst, dass ein ungewolltes Lösen des Vorsprungs aus der Aussparung verhindert werden kann. Greift der Vorsprung in die Aussparung ein, kann eine Verrastung zwischen dem Betätigungselement und dem Halteelement ausgebildet werden.In order to be able to hold the actuating element securely and firmly in its position in the open position, so that an unintentional movement of the actuating element back into the clamping position can be prevented, provision can preferably be made for the actuating element to engage the holding element with the actuating element Locking element and the holding element have a counter-locking element. The latching element and the counter-latching element can engage in one another in a form-fitting manner when the clamping spring or the actuating element is in the open position. For example, the actuating element can have a recess as a latching element, into which a projection of the holding element can engage as a counter-latching element in the open position, or the holding element can have a recess as a counter-latching element, in which a projection of the actuating element can engage as a latching element in the open position. In the open position, the actuating element can be positively engaged with the holding element. The cutout can be in the form of an undercut, for example. The projection can be in the form of a forward bulge, for example. The projection can also be designed as a tab. The shape of the projection is preferably adapted to the shape of the recess in such a way that an unintentional release of the projection from the recess can be prevented. If the projection engages in the recess, a latch can be formed between the actuating element and the holding element.

Zum außer Eingriff bringen des Halteelements mit dem Betätigungselement kann das Halteelement relativ zu dem Betätigungselement verschwenkbar gelagert sein. Stößt der anzuschließende Leiter gegen die Druckfläche des Halteelements kann dann das Halteelement derart von dem Betätigungselement wegverschwenkt werden, dass das Halteelement außer Eingriff mit dem Betätigungselement gelangt und das Betätigungselement wieder frei beweglich ist, um von der Offenstellung in die Klemmstellung zu gelangen.To bring the holding element out of engagement with the actuating element, the holding element can be mounted pivotably relative to the actuating element. This can happen if the conductor to be connected hits the pressure surface of the holding element Holding element are pivoted away from the actuating element in such a way that the holding element disengages from the actuating element and the actuating element is again freely movable in order to move from the open position into the clamping position.

Um die Verschwenkbewegung bzw. Verkippbewegung des Halteelements bei Aufbringen einer Druckkraft des anzuschließenden Leiters auf die Druckfläche des Halteelements erleichtern zu können, kann das Halteelement zumindest bereichsweise federelastisch ausgebildet sein. Durch eine zumindest bereichsweise Federelastizität des Halteelements kann die von dem Leiter aufzubringende Druckkraft auf die Druckfläche, um das Betätigungselement aus der Verrastung mit dem Halteelement zu lösen, reduziert werden. Dadurch können insbesondere auch flexible Leiter mit einem kleinen Leiterquerschnitt mit einer einfachen Handhabung sicher angeschlossen werden. Das Halteelement ist vorzugsweise in einem Bereich federelastisch ausgebildet, welcher außerhalb der Druckfläche angeordnet ist, so dass die Druckfläche auch bei einer Federelastizität des Halteelements ausreichend formstabil ausgebildet sein kann.In order to be able to facilitate the pivoting movement or tilting movement of the holding element when a compressive force of the conductor to be connected is applied to the pressure surface of the holding element, the holding element can be designed to be spring-elastic at least in regions. The compressive force to be applied by the conductor to the pressure surface in order to release the actuating element from the latching with the retaining element can be reduced by an at least regional spring elasticity of the retaining element. As a result, in particular flexible conductors with a small conductor cross-section can also be securely connected with simple handling. The holding element is preferably designed to be spring-elastic in a region which is arranged outside of the pressure surface, so that the pressure surface can be designed to be sufficiently dimensionally stable even if the holding element has spring elasticity.

Das Halteelement kann beispielsweise eine längliche Form aufweisen. Vorzugsweise kann das Halteelement stegförmig ausgebildet sein.The holding element can have an elongate shape, for example. The holding element can preferably be designed in the form of a web.

Das Halteelement kann bevorzugt einen ersten Endabschnitt und einen zweiten Endabschnitt aufweisen, wobei der erste Endabschnitt in einem Festsitz gelagert sein kann und der zweite Endabschnitt relativ zu dem Betätigungselement frei beweglich sein kann. Über den ersten Endabschnitt kann somit eine sichere, insbesondere positionssichere, Anordnung des Halteelements relativ zu dem Betätigungselement erreicht werden. Festsitz bedeutet hierbei, dass der erste Endabschnitt derart gelagert ist, dass der erste Endabschnitt zu keiner Zeit eine Bewegung ausführt. Im Gegensatz zu dem ersten Endabschnitt ist der zweite Endabschnitt hingegen nicht in einem Festsitz gelagert, sondern liegt frei, so dass der zweite Endabschnitt relativ zu dem Betätigungselement bewegt werden kann. Im Bereich des zweiten Endabschnitts ist vorzugsweise die Druckfläche des Halteelements ausgebildet. Der erste Endabschnitt ist vorzugsweise gegenüberliegend zu dem zweiten Endabschnitt an dem Halteelement ausgebildet.The holding element can preferably have a first end section and a second end section, wherein the first end section can be mounted in an interference fit and the second end section can be freely movable relative to the actuating element. A secure, in particular positionally secure, arrangement of the holding element relative to the actuating element can thus be achieved via the first end section. In this context, a tight fit means that the first end section is mounted in such a way that the first end section never moves. In contrast to the first end section, however, the second end section is not mounted in a tight fit, but is exposed, so that the second end section can be moved relative to the actuating element. The pressure surface of the holding element is preferably formed in the region of the second end section. The first end section is preferably formed opposite the second end section on the holding element.

Der Festsitz des ersten Endabschnitts des Halteelements kann durch ein Gehäuse der Anschlussanordnung ausgebildet sein, wobei der erste Endabschnitt des Halteelements in dem Gehäuse geklemmt gehalten sein kann. Durch die klemmende Lagerung des Halteelements in dem Gehäuse sind zusätzliche Befestigungsmittel zum Halten des Halteelements nicht notwendig. Das Halteelement kann zwischen zwei Wänden des Gehäuses geklemmt gehalten sein. Der Festsitz kann damit durch eine Klemmlagerung des Halteelements in dem Gehäuse ausgebildet sein. Das Gehäuse kann derart ausgebildet sein, dass es das Halteelement, die Stromschiene, die Klemmfeder und das Betätigungselement aufnimmt, wobei das Gehäuse eine Leitereinführungsöffnung zum Einführen des anzuschließenden Leiters aufweisen kann.The tight fit of the first end section of the holding element can be formed by a housing of the connection arrangement, it being possible for the first end section of the holding element to be held clamped in the housing. Due to the jammed storage of the Retaining element in the housing, additional fastening means for holding the retaining element are not necessary. The holding element can be held clamped between two walls of the housing. The tight fit can thus be formed by clamping the holding element in the housing. The housing can be designed in such a way that it accommodates the holding element, the busbar, the clamping spring and the actuating element, it being possible for the housing to have a conductor insertion opening for inserting the conductor to be connected.

Die Lösung der erfindungsgemäßen Aufgabe erfolgt ferner mittels einer Anschlussklemme, insbesondere einer Reihenklemme, welche mindestens eine wie vorstehend beschriebene, aus- und weiteregebildete Anschlussanordnung aufweist. Die Anschlussklemme kann beispielsweise auf einer Leiterplatte angeordnet werden. Ist die Anschlussklemme als Reihenklemme ausgebildet, kann sie auf einer Tragschiene angeordnet werden.The object according to the invention is also achieved by means of a connection terminal, in particular a terminal block, which has at least one connection arrangement designed and developed as described above. The connection terminal can be arranged on a printed circuit board, for example. If the connection terminal is designed as a terminal block, it can be arranged on a mounting rail.

Ferner kann eine Anschlussklemmenanordnung vorgesehen sein, welche mehrere aneinandergereiht angeordnete Anschlussklemmen aufweisen kann, die jeweils mindestens eine wie vorstehend beschriebene, aus- und weiteregebildete Anschlussanordnung aufweisen können.Furthermore, a connection terminal arrangement can be provided, which can have a plurality of connection terminals arranged in a row, each of which can have at least one connection arrangement designed and developed as described above.

Weiter erfolgt die Lösung der erfindungsgemäßen Aufgabe mit einem elektronischen Gerät, welches eine wie vorstehend beschriebene, aus- und weitergebildete Anschlussanordnung oder eine wie vorstehend beschriebene, aus- und weitergebildete Anschlussklemme aufweist.Furthermore, the object according to the invention is achieved with an electronic device which has a connection arrangement designed and developed as described above or a connection terminal designed and developed as described above.

Nachfolgend wird die Erfindung unter Bezugnahme auf die anliegenden Zeichnungen anhand einer bevorzugten Ausführungsform näher erläutert.The invention is explained in more detail below with reference to the accompanying drawings using a preferred embodiment.

Es zeigen:

Fig. 1
eine schematische Darstellung einer Anschlussanordnung gemäß der Erfindung in einer perspektivischen Ansicht,
Fig. 2
eine schematische Darstellung der in Fig. 1 gezeigten Anschlussanordnung mit der Klemmfeder und dem Betätigungselement in einer Klemmstellung ohne angeschlossenen Leiter,
Fig. 3
eine schematische Schnittdarstellung der in Fig. 2 gezeigten Ansicht der Anschlussanordnung gemäß der Erfindung,
Fig. 4
eine schematische Darstellung der in Fig. 1 gezeigten Anschlussanordnung mit der Klemmfeder und dem Betätigungselement in einer Offenstellung, und
Fig. 5
eine schematische Schnittdarstellung der in Fig. 4 gezeigten Ansicht der Anschlussanordnung gemäß der Erfindung.
Show it:
1
a schematic representation of a connection arrangement according to the invention in a perspective view,
2
a schematic representation of the in 1 connection arrangement shown with the clamping spring and the actuating element in a clamping position without a connected conductor,
3
a schematic sectional view of in 2 shown view of the connection arrangement according to the invention,
4
a schematic representation of the in 1 connection arrangement shown with the clamping spring and the actuating element in an open position, and
figure 5
a schematic sectional view of in 4 shown view of the connection arrangement according to the invention.

Fig. 1 bis 5 zeigen eine Anschlussanordnung 100 zum Anschließen eines hier nicht gezeigten elektrischen Leiters. Figures 1 to 5 show a connection arrangement 100 for connecting an electrical conductor, not shown here.

Die Anschlussanordnung 100 weist ein Gehäuse 10 auf, welches aus einem Isolierstoffmaterial ausgebildet sein kann.The connection arrangement 100 has a housing 10 which can be formed from an insulating material.

In dem Gehäuse 10 ist ein Leiteranschlussraum 11 ausgebildet, innerhalb welchem ein in das Gehäuse 10 eingeführter elektrischer Leiter geklemmt und damit elektrisch angeschlossen werden kann. Zum Einführen des Leiters in den Leiteranschlussraum 11 weist das Gehäuse 10 eine Leitereinführungsöffnung 12 auf, welche in den Leiteranschlussraum 11 mündet. Der anzuschließende Leiter ist entlang einer Einführungsrichtung E über die Leitereinführungsöffnung 12 in den Leiteranschlussraum 11 einführbar.A conductor connection space 11 is formed in the housing 10, within which an electrical conductor introduced into the housing 10 can be clamped and thus electrically connected. In order to insert the conductor into the conductor connection space 11 , the housing 10 has a conductor insertion opening 12 which opens into the conductor connection space 11 . The conductor to be connected can be inserted into the conductor connection space 11 along an insertion direction E via the conductor insertion opening 12 .

In dem Leiteranschlussraum 11 des Gehäuses 10 ist eine Stromschiene 13 angeordnet, gegen welche der anzuschließende Leiter geklemmt werden kann, um den Leiter elektrisch anzuschließen. Zum Klemmen des anzuschließenden Leiters gegen die Stromschiene 13 ist in dem Leiteranschlussraum 11 ferner eine Klemmfeder 14 angeordnet.A conductor rail 13 is arranged in the conductor connection space 11 of the housing 10, against which the conductor to be connected can be clamped in order to electrically connect the conductor. A clamping spring 14 is also arranged in the conductor connection space 11 for clamping the conductor to be connected against the busbar 13 .

Die Klemmfeder 14 ist als Schenkelfeder ausgebildet. Die Klemmfeder 14 weist einen Halteschenkel 15, einen Klemmschenkel 16 und ein bogenförmiges Biegegelenk 17 auf, wobei das Biegegelenk 17 den Halteschenkel 15 mit dem Klemmschenkel 16 verbindet. Der Halteschenkel 15 ist lagestabil in dem Leiteranschlussraum 11 angeordnet. Der Klemmschenkel 16 ist hingegen relativ zu dem Halteschenkel 15 bewegbar, insbesondere verschwenkbar. Der Klemmschenkel 16 und damit die Klemmfeder 14 können durch die Verschwenkbarkeit des Klemmschenkels 16 in eine Offenstellung und in eine Klemmstellung bewegt werden.The clamping spring 14 is designed as a torsion spring. The clamping spring 14 has a holding leg 15 , a clamping leg 16 and an arcuate flexible joint 17 , the flexible joint 17 connecting the holding leg 15 to the clamping leg 16 . The holding leg 15 is arranged in a positionally stable manner in the conductor connection space 11 . The clamping leg 16, on the other hand, can be moved, in particular pivoted, relative to the holding leg 15. The clamping leg 16 and thus the clamping spring 14 can through the Pivotability of the clamping leg 16 are moved into an open position and into a clamping position.

In der Offenstellung, wie sie in Fig. 4 und 5 gezeigt ist, ist der Klemmschenkel 16 von dem Strombalken 13 wegverschwenkt, so dass zwischen dem Klemmschenkel 16 und dem Strombalken 13 ein Freiraum ausgebildet ist, in welchen ein anzuschließender Leiter eingeführt werden kann.In the open position as shown in 4 and 5 is shown, the clamping leg 16 is pivoted away from the current bar 13, so that a free space is formed between the clamping leg 16 and the current bar 13, into which a conductor to be connected can be inserted.

In den Fig. 1, 2 und 3 ist eine Klemmstellung der Klemmschenkels 16 gezeigt, bei welcher der Klemmschenkel 16 selber an dem Strombalken 13 anliegt, wenn kein Leiter in den Leiteranschlussraum 11 eingeführt ist, und bei eingeführten Leiter der Klemmschenkel 16 den Leiter 200 gegen den Strombalken 13 drückt bzw. klemmt.In the 1 , 2 and 3 a clamping position of the clamping leg 16 is shown, in which the clamping leg 16 itself rests against the current bar 13 when no conductor is inserted into the conductor connection space 11, and when the conductor is inserted, the clamping leg 16 presses or clamps the conductor 200 against the current bar 13.

Zur Überführung des Klemmschenkels 16 von der Klemmstellung in die Offenstellung ist ein Betätigungselement 18 vorgesehen, welches entlang einer Bewegungsrichtung B verschiebbar in dem Gehäuse 10 gelagert ist. Beim Verschieben des Betätigungselements 18 führt das Betätigungselement 18 eine rein translatorische Bewegung entlang der Bewegungsrichtung B und damit entlang seiner Längsachse aus. Beim Betätigen der Klemmfeder 14 und damit des Klemmschenkels 16 der Klemmfeder 14 drückt das Betätigungselement 18 von oben auf den Klemmschenkel 16 der Klemmfeder 14.To transfer the clamping leg 16 from the clamping position to the open position, an actuating element 18 is provided, which is mounted in the housing 10 such that it can be displaced along a direction of movement B. When the actuating element 18 is displaced, the actuating element 18 performs a purely translatory movement along the direction of movement B and thus along its longitudinal axis. When actuating the clamping spring 14 and thus the clamping leg 16 of the clamping spring 14, the actuating element 18 presses from above onto the clamping leg 16 of the clamping spring 14.

Der Klemmschenkel 16 der Klemmfeder 14 weist eine Klemmlasche 19 und zwei seitlich von der Klemmlasche 19 angeordnete Seitenlaschen 20, 21 auf. Die Klemmlasche 19 ist zwischen den beiden Seitenlaschen 20, 21 angeordnet. An einem freien Ende der Klemmlasche 19 ist eine Klemmkante 22 ausgebildet, mittels welcher der Klemmschenkel 16 und damit die Klemmlasche 19 in der Klemmstellung an der Stromschiene 13 bzw. an dem angeschlossenen Leiter anliegt.The clamping leg 16 of the clamping spring 14 has a clamping lug 19 and two side lugs 20 , 21 arranged laterally of the clamping lug 19 . The clamping lug 19 is arranged between the two side lugs 20,21. A clamping edge 22 is formed at a free end of the clamping lug 19, by means of which the clamping leg 16 and thus the clamping lug 19 rests in the clamped position on the conductor rail 13 or on the connected conductor.

Über die beiden Seitenlaschen 20, 21, welche parallel zu der Klemmlasche 19 verlaufen, erfolgt die Betätigung des Klemmschenkels 16 der Klemmfeder 14 durch das Betätigungselement 18, indem das Betätigungselement 18 auf die beiden Seitenlaschen 20, 21 in Bewegungsrichtung B eine Druckkraft aufbringt. Auf die Klemmlasche 19 wird vorzugsweise keine Druckkraft von dem Betätigungselement 18 aufgebracht.The clamping leg 16 of the clamping spring 14 is actuated by the actuating element 18 via the two side lugs 20, 21, which run parallel to the clamping lug 19, in that the actuating element 18 applies a compressive force to the two side lugs 20, 21 in the direction of movement B. Preferably no compressive force is applied to the clamping lug 19 by the actuating element 18 .

Die Klemmlasche 19 ist wesentlich länger ausgebildet als die beiden Seitenlaschen 20, 21, so dass die Klemmlasche 19 die beiden Seitenlaschen 20, 21 in Längsrichtung des Klemmschenkels 16 überragt.The clamping lug 19 is substantially longer than the two side lugs 20, 21, so that the clamping lug 19 protrudes beyond the two side lugs 20, 21 in the longitudinal direction of the clamping leg 16.

Die Seitenlaschen 20, 21 sind jeweils kufenförmig gebogen ausgebildet. Die Klemmlasche 19 ist hingegen gerade ausgebildet.The side flaps 20, 21 are each formed in a runner-shaped manner. The clamping lug 19, on the other hand, is straight.

Das Betätigungselement 18 weist zwei parallel zueinander angeordnete Betätigungsabschnitte 23, 24 auf, welche jeweils mit den beiden Seitenlaschen 20, 21 zusammenwirken. Durch die beiden beabstandet zueinander angeordneten Betätigungsabschnitte 23, 24 weist das Betätigungselement 18 eine U-Form auf, wobei durch die beiden beabstandet zueinander angeordneten Betätigungsabschnitte 23, 24 eine Öffnung in Form eines Freiraums 25 ausgebildet ist, durch welchen der anzuschließende Leiter und auch ein Teilabschnitt 26 der Stromschiene 13, gegen welchen der anzuschließende Leiter geklemmt wird, geführt sind. Auch die Klemmlasche 19 des Klemmschenkels 16 taucht in den Freiraum 25 zwischen den beiden Betätigungsabschnitten 23, 24 ein. Der Freiraum 25 ist in den Schnittdarstellungen des Betätigungselements 18 in Fig. 3 und 5 zu erkennen.The actuating element 18 has two actuating sections 23, 24 which are arranged parallel to one another and which interact with the two side straps 20, 21 in each case. Due to the two spaced apart actuating sections 23, 24, the actuating element 18 has a U-shape, with the two spaced apart actuating sections 23, 24 forming an opening in the form of a free space 25 through which the conductor to be connected and also a section 26 of the conductor rail 13, against which the conductor to be connected is clamped, are guided. The clamping lug 19 of the clamping leg 16 dips into the free space 25 between the two actuating sections 23, 24. The free space 25 is shown in the sectional representations of the actuating element 18 in 3 and 5 to recognize.

Die beiden Betätigungsabschnitte 23, 24 können ein seitliches Fehlstecken des anzuschließenden Leiters sowohl nach rechts als auch nach links von der Stromschiene 13 verhindern. Die beiden Betätigungsabschnitte 23, 24 sind dafür in Bewegungsrichtung B des Betätigungselements 18 derart lang ausgebildet, dass sie zu jedem Zeitpunkt, insbesondere in der Offenstellung und in der Klemmstellung des Klemmschenkels 16 der Klemmfeder 14, den in das Gehäuse 10 und in den Leiteranschlussraum 11 eingeführten Leiter seitlich überlappen, so dass die Betätigungsabschnitte 23, 24 zu jedem Zeitpunkt eine Führung und seitliche Begrenzung für den anzuschließenden Leiter ausbilden.The two actuating sections 23, 24 can prevent the conductor to be connected from being incorrectly inserted laterally both to the right and to the left of the conductor rail 13. The two actuating sections 23, 24 are designed so long in the direction of movement B of the actuating element 18 that they can be inserted into the housing 10 and into the conductor connection space 11 at any time, in particular in the open position and in the clamping position of the clamping leg 16 of the clamping spring 14 Overlap conductors laterally, so that the actuating sections 23, 24 form a guide and lateral boundary for the conductor to be connected at all times.

Ferner ist in dem Gehäuse 10 ein Halteelement 27 angeordnet, welches in der Offenstellung der Klemmfeder 14 in Eingriff mit dem Betätigungselement 18 ist, um das Betätigungselement 18 und damit die Klemmfeder 14, da das Betätigungselement 18 auf die Klemmfeder 14 drückt, in der Offenstellung zu halten.Furthermore, a holding element 27 is arranged in the housing 10, which is in the open position of the clamping spring 14 in engagement with the actuating element 18 in order to close the actuating element 18 and thus the clamping spring 14, since the actuating element 18 presses on the clamping spring 14, in the open position hold.

Das Halteelement 27 weist eine Druckfläche 28 auf, welche sich quer bzw. senkrecht zur Einführungsrichtung E des Leiters in das Gehäuse 10 erstreckt. Beim Einführen des Leiters in den Leiteranschlussraum 11 drückt der Leiter, wenn dieser weit genug eingeschoben ist, gegen die Druckfläche 28, so dass das Halteelement 27 von dem Betätigungselement 18 wegbewegt wird und dadurch das Halteelement 27 außer Eingriff mit dem Betätigungselement 18 kommt, so dass die Verrastung zwischen dem Halteelement 27 und dem Betätigungselement 18 gelöst wird. Durch das außer Eingriff bringen kann das Betätigungselement 18 durch die von dem Klemmschenkel 16 auf das Betätigungselement 18 wirkende Druckkraft nach oben gedrückt werden, so dass das Betätigungselement 18 und damit die Klemmfeder 14 bzw. der Klemmschenkel 16 der Klemmfeder 14 selbsttätig von der Offenstellung in die Klemmstellung verschwenken kann, um den eingeführten Leiter gegen die Stromschiene 13 klemmen zu können. Die Druckfläche 28 ist fluchtend mit der Leitereinführungsöffnung 12 und damit in Verlängerung der Leitereinführungsöffnung 12 angeordnet, so dass beim Einführen des Leiters in den Leiteranschlussraum 11 über die Leitereinführungsöffnung 12 der Leiter hin zu der Druckfläche 28 des Halteelements 27 geführt wird. Dabei wird der anzuschließende Leiter durch den in dem Betätigungselement 18 ausgebildeten Freiraum 25 hindurchgeführt. Die Betätigungsrichtung R der Druckfläche 28 des Halteelements 27 durch den anzuschließenden erstreckt sich parallel zu der Einführungsrichtung E bzw. in Einführungsrichtung E des Leiters in das Gehäuse 10 der Anschlussanordnung 100.The holding element 27 has a pressure surface 28 which extends transversely or perpendicularly to the insertion direction E of the conductor into the housing 10 . When inserting the conductor into the conductor connection space 11 presses the head, if it is pushed far enough, against the pressure surface 28, so that the holding element 27 from the Actuating element 18 is moved away and thereby the holding element 27 comes out of engagement with the operating element 18, so that the latching between the holding element 27 and the operating element 18 is released. By disengaging, the actuating element 18 can be pushed upwards by the compressive force acting on the actuating element 18 from the clamping leg 16, so that the actuating element 18 and thus the clamping spring 14 or the clamping leg 16 of the clamping spring 14 automatically move from the open position to the Clamping position can pivot in order to clamp the inserted conductor against the conductor rail 13 can. The pressure surface 28 is arranged flush with the conductor insertion opening 12 and thus in an extension of the conductor insertion opening 12, so that when the conductor is inserted into the conductor connection space 11 via the conductor insertion opening 12, the conductor is guided towards the pressure surface 28 of the holding element 27. The conductor to be connected is passed through the free space 25 formed in the actuating element 18 . The actuation direction R of the pressure surface 28 of the holding element 27 by the cable to be connected extends parallel to the insertion direction E or in the insertion direction E of the conductor into the housing 10 of the connection arrangement 100.

Das Halteelement 27 und damit auch die Druckfläche 28 des Halteelements 27 ist in Betätigungsrichtung R gesehen hinter dem Betätigungselement 18 angeordnet. Der anzuschließende Leiter passiert daher zunächst das Betätigungselement 18, indem sein in Einführungsrichtung E vorderes Ende über den Freiraum 25 durch das Betätigungselement 18 hindurchgeführt wird, bis dieses vordere Ende vorzugsweise in einem 90°-Winkel gegen die Druckfläche 28 des Halteelements 27 stößt.The holding element 27 and thus also the pressure surface 28 of the holding element 27 is arranged behind the operating element 18 as viewed in the operating direction R. The conductor to be connected therefore first passes the actuating element 18 in that its front end in the insertion direction E is guided through the actuating element 18 via the free space 25 until this front end abuts the pressure surface 28 of the holding element 27, preferably at a 90° angle.

Das Halteelement 27 ist hier zumindest bereichsweise federelastisch ausgebildet, um ein Verschwenken der Druckfläche 28, wenn ein Leiter gegen die Druckfläche 28 drückt, erreichen zu können. Stößt der Leiter gegen die Druckfläche 28 des Halteelements 27 erfolgt eine Schwenkbewegung des Halteelements 27 bzw. der Druckfläche 28 des Halteelements 27 relativ zu dem Betätigungselement 18, indem das Halteelement 27 bzw. die Druckfläche 28 von dem Betätigungselement 28 wegverschwenkt wird.The holding element 27 is designed to be resilient here, at least in some areas, in order to be able to pivot the pressure surface 28 when a conductor presses against the pressure surface 28 . If the conductor strikes the pressure surface 28 of the holding element 27, the holding element 27 or the pressure surface 28 of the holding element 27 pivots relative to the actuating element 18, in that the holding element 27 or the pressure surface 28 is pivoted away from the actuating element 28.

Um eine Rastverbindung zwischen dem Betätigungselement 18 und dem Halteelement 27 in der Offenstellung erreichen zu können, weist bei der hier gezeigten Ausgestaltung das Betätigungselement 18 eine Aussparung 29 auf. Das Halteelement 27 weist einen in Richtung des Betätigungselements 18 zeigenden Vorsprung 30 auf, welcher in der Offenstellung förmschlüssig in die Aussparung 29 des Betätigungselements 18 eingreifen kann, wie in Fig. 4 und 5 zu erkennen ist.In order to be able to achieve a locking connection between the actuating element 18 and the holding element 27 in the open position, the actuating element 18 has a recess 29 in the embodiment shown here. The holding element 27 has a pointing in the direction of the actuating element 18 projection 30 which in the open position can positively engage in the recess 29 of the actuating element 18, as in 4 and 5 can be seen.

Beispielsweise kann es vorgesehen sein, dass an dem Halteelement 27 zwei Vorsprünge 30 und an dem Betätigungselement 18 zwei Aussparungen 29 ausgebildet sind. Jeweils eine der beiden Aussparungen 29 kann dann an einem der beiden Betätigungsabschnitte 23, 24 des Betätigungselements 18 ausgebildet sein, so dass jeder der beiden Betätigungsabschnitte 23, 24 eine Aussparung 29 aufweisen kann. Die beiden Vorsprünge 30 sind dann vorzugsweise in Querrichtung des Halteelements 27 beabstandet zueinander angeordnet. Zwischen den beiden Vorsprüngen 30 kann die Druckfläche 28 des Halteelements 27 ausgebildet sein, so dass die Druckfläche 28 seitlich, insbesondere in Querrichtung des Halteelements 27 gesehen rechts und links von den Vorsprüngen 30 begrenzt sein kann.For example, it can be provided that two projections 30 are formed on the holding element 27 and two recesses 29 are formed on the actuating element 18 . One of the two recesses 29 can then be formed on one of the two actuating sections 23, 24 of the actuating element 18, so that each of the two actuating sections 23, 24 can have a recess 29. The two projections 30 are then preferably arranged at a distance from one another in the transverse direction of the holding element 27 . The pressure surface 28 of the holding element 27 can be formed between the two projections 30 so that the pressure surface 28 can be delimited to the right and left of the projections 30 laterally, in particular in the transverse direction of the holding element 27 .

Das Halteelement 27 kann aus einem Federblech ausgebildet sein. Zur Ausbildung der Vorsprünge 30 kann das Federblech zwei freigestanzte Laschen aufweisen, welche derart gebogen sind, dass sie in Richtung des Betätigungselements 18 zeigende Vorsprünge 30 ausbilden. Die Vorsprünge 30 können beispielsweise jeweils eine V-Form aufweisen.The holding element 27 can be formed from a spring steel sheet. To form the projections 30 , the spring plate can have two tabs that are punched out, which are bent in such a way that they form projections 30 pointing in the direction of the actuating element 18 . The projections 30 can each have a V-shape, for example.

Das Halteelement 27 weist einen ersten Endabschnitt 31 und einen zweiten Endabschnitt 32 auf.The holding element 27 has a first end section 31 and a second end section 32 .

Über den ersten Endabschnitt 31 ist das Halteelement 27 in einem Festsitz an dem Gehäuse 10 gelagert, indem der erste Endabschnitt 32 in einer Aussparung 33 des Gehäuses 10 angeordnet ist und zwischen den die Aussparung 33 begrenzenden Wänden 34, 35 der Aussparung 33 eingeklemmt gehalten ist.The holding element 27 is mounted in a tight fit on the housing 10 via the first end section 31, in that the first end section 32 is arranged in a cutout 33 of the housing 10 and is held clamped between the walls 34, 35 of the cutout 33 delimiting the cutout 33.

Der zweite Endabschnitt 32 des Halteelements 27 ist hingegen relativ zu dem Betätigungselement 18 frei beweglich gelagert. An dem zweiten Endabschnitt 32 ist die Druckfläche 28 ausgebildet. Ferner ist an dem zweiten Endabschnitt 32 der Vorsprung 30 ausgebildet. Das Halteelement 27 ist hier mit seinem zweiten Endabschnitt 32 zwischen dem Betätigungselement 18 und einem weiteren Teilabschnitt 36 der Stromschiene 13 angeordnet. Dieser Teilabschnitt 36 erstreckt sich senkrecht zu dem Teilabschnitt 26 der Stromschiene 13, gegen welchen der anzuschließende Leiter geklemmt werden kann.The second end section 32 of the holding element 27 , on the other hand, is mounted so that it can move freely relative to the actuating element 18 . The pressure surface 28 is formed on the second end section 32 . Furthermore, the projection 30 is formed on the second end portion 32 . The holding element 27 is arranged here with its second end section 32 between the actuating element 18 and a further partial section 36 of the busbar 13 . This section 36 extends perpendicularly to the section 26 of the conductor rail 13 against which the conductor to be connected can be clamped.

Das Gehäuse 10 weist einen Kanal 36 auf, innerhalb welchem das Betätigungselement 18 geführt ist. Der Kanal 37 erstreckt sich im Wesentlichen senkrecht zu der Leitereinführungsöffnung 12. Sowohl der Kanal 37 als auch die Leitereinführungsöffnung 12 münden in dem Leiteranschlussraum 11.The housing 10 has a channel 36 within which the actuating element 18 is guided. The channel 37 extends essentially perpendicularly to the conductor entry opening 12. Both the channel 37 and the conductor entry opening 12 open into the conductor connection space 11.

BezugszeichenlisteReference List

100100
Anschlussklemmeterminal block
1010
GehäuseHousing
1111
Leiteranschlussraumconductor connection room
1212
Leitereinführungsöffnungwire entry hole
1313
Stromschienepower rail
1414
Klemmfederclamping spring
1515
Halteschenkelholding leg
1616
Klemmschenkelclamp legs
1717
Biegegelenkbending joint
1818
Betätigungselementactuator
1919
Klemmlascheclamp strap
2020
Seitenlascheside tab
2121
Seitenlascheside tab
2222
Klemmkanteclamping edge
2323
Betätigungsabschnittoperating section
2424
Betätigungsabschnittoperating section
2525
Freiraumfree space
2626
Teilabschnittsection
2727
Halteelementholding element
2828
Druckflächeprinting surface
2929
Aussparungrecess
3030
Vorsprunghead Start
3131
Erster EndabschnittFirst end section
3232
Zweiter EndabschnittSecond end section
3333
Aussparungrecess
3434
WandWall
3535
WandWall
3636
Teilabschnittsection
3737
Kanalchannel
BB
Bewegungsrichtungdirection of movement
EE
Einführungsrichtunginsertion direction
RR
Betätigungsrichtungoperating direction

Claims (14)

  1. Connection arrangement (100) for the connection of an electrical conductor, having
    - a busbar (13),
    - a clamping spring (14), by means of which the conductor which is to be connected is clamped against the busbar (13) in a clamping position of the clamping spring (14), and
    - an actuating element (18), by means of which the clamping spring (14) can be transferred from the clamping position into an open position,
    characterized by the provision of a retaining element (27) which, in the open position, engages with the actuating element (18) in order to hold the actuating element (18) in position, wherein the retaining element (27) has a pressure-exerting surface (28), wherein, for the purpose of transferring the clamping spring (14) from the open position into the clamping position, the pressure-exerting surface (28) can be actuated by the conductor which is to be connected and, by virtue of the pressure-exerting surface (28) being actuated, the retaining element (27) can be disengaged from the actuating element (18).
  2. Connection arrangement (100) according to Claim 1, characterized in that, for the purpose of transferring the clamping spring (14) into the clamping position and into the open position, the actuating element (18) can be guided along a movement direction (B) which runs through the conductor in a direction transverse to an actuating direction (R) of the pressure-exerting surface (28) of the retaining element (27).
  3. Connection arrangement (100) according to Claim 2, characterized in that the pressure-exerting surface (28) of the retaining element (27) is arranged behind the actuating element (18), as seen in the actuating direction (R).
  4. Connection arrangement (100) according to Claim 3, characterized in that the actuating element (18) has a free space (25) through which the conductor which is to be connected is guided to the pressure-exerting surface (28) of the retaining element (27).
  5. Connection arrangement (100) according to one of Claims 1 to 4, characterized in that the clamping spring (14) has a clamping limb (16) with a clamping lug (19) and with at least one side lug (20, 21), which is arranged laterally in relation to the clamping lug (19), wherein a clamping edge (22) for clamping the conductor against the busbar (13) is formed at a free end of the clamping lug (19), and wherein, for the purpose of actuating the clamping spring (14), the actuating element (18) interacts with the at least one side lug (20, 21).
  6. Connection arrangement (100) according to Claim 5, characterized in that the clamping lug (19) projects beyond the at least one side lug (20, 21) in the longitudinal direction of the clamping limb (16).
  7. Connection arrangement (100) according to Claim 5 or 6, characterized in that the clamping limb (16) has two side lugs (20, 21), which are arranged laterally in relation to the clamping lug (19), and in that the actuating element (18) has two mutually opposite actuating portions (23, 24), which, for the purpose of actuating the clamping spring (14), interact with the two side lugs (20, 21), wherein the free space (25) through which the conductor which is to be connected is guided is formed between the two actuating portions (23, 24).
  8. Connection arrangement (100) according to one of Claims 1 to 7, characterized in that, for the purpose of engaging the retaining element (27) with the actuating element (18), the actuating element (18) has a recess (29), in which a protrusion (30) of the retaining element (27) engages in the open position, or the retaining element (27) has a recess, in which a protrusion of the actuating element (18) engages in the open position.
  9. Connection arrangement (100) according to one of Claims 1 to 8, characterized in that the retaining element (27) is mounted in a pivotable manner relative to the actuating element (18).
  10. Connection arrangement (100) according to one of Claims 1 to 9, characterized in that the retaining element (27) is of resiliently elastic design at least in certain regions.
  11. Connection arrangement (100) according to one of Claims 1 to 10, characterized in that the retaining element (27) has a first end portion (31) and a second end portion (32), wherein the first end portion (31) is provided with a fixed mounting and the second end portion (32) is freely movable relative to the actuating element (18).
  12. Connection arrangement (100) according to Claim 11, characterized in that the fixed mounting of the first end portion (31) of the retaining element (27) is formed by a housing (10) of the connection arrangement (100), wherein the first end portion (31) of the retaining element (27) is retained in a clamped state in the housing (10).
  13. Connection terminal, in particular terminal block, having at least one connection arrangement (100) according to one of Claims 1 to 12.
  14. Electronic device having a connection arrangement (100) according to one of Claims 1 to 12 or having a connection terminal according to Claim 13.
EP20751525.5A 2019-08-09 2020-08-04 Connection arrangement, connection terminal and electronic device Active EP4010945B1 (en)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
DE102019121581.1A DE102019121581B4 (en) 2019-08-09 2019-08-09 Connection arrangement, connection terminal as well as electronic device
PCT/EP2020/071882 WO2021028263A1 (en) 2019-08-09 2020-08-04 Connection arrangement, connection terminal and electronic device

Publications (2)

Publication Number Publication Date
EP4010945A1 EP4010945A1 (en) 2022-06-15
EP4010945B1 true EP4010945B1 (en) 2023-06-21

Family

ID=71950628

Family Applications (1)

Application Number Title Priority Date Filing Date
EP20751525.5A Active EP4010945B1 (en) 2019-08-09 2020-08-04 Connection arrangement, connection terminal and electronic device

Country Status (5)

Country Link
US (1) US20220336971A1 (en)
EP (1) EP4010945B1 (en)
CN (1) CN114207947A (en)
DE (1) DE102019121581B4 (en)
WO (1) WO2021028263A1 (en)

Families Citing this family (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
LU102793B1 (en) * 2021-04-29 2022-10-31 Phoenix Contact Gmbh & Co Clamping spring, connection arrangement and connection terminal
FR3135835B1 (en) * 2022-05-20 2024-09-27 Legrand France Electrical device with automatic connection terminal actuated by the insertion of the electrical conductor

Family Cites Families (13)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE3019149C2 (en) * 1980-05-20 1983-05-05 Phönix Elektrizitätsgesellschaft H. Knümann GmbH & Co KG, 4933 Blomberg Screwless connector
DE20300266U1 (en) * 2003-01-08 2004-05-19 Bals Elektrotechnik Gmbh & Co. Kg Electrical cable terminal has spring clip that is released to press contact end securely against the cable wire
DE202008014469U1 (en) * 2008-10-31 2010-03-18 Weidmüller Interface GmbH & Co. KG Terminal for connecting conductor ends
CN203166134U (en) * 2013-04-03 2013-08-28 魏德米勒电联接有限公司 An elastic clamp
DE202014102521U1 (en) * 2014-05-28 2015-09-03 Weidmüller Interface GmbH & Co. KG Direct plug compression spring clamp with retaining spring
DE102014119030A1 (en) * 2014-12-18 2016-06-23 Phoenix Contact Gmbh & Co. Kg terminal
EP3116065B1 (en) * 2015-07-07 2019-08-28 TE Connectivity Germany GmbH Push-in clamp retainer, push-in clamp assembly and electric connector element
US9466911B1 (en) * 2015-10-16 2016-10-11 Dinkle Enterprise Co., Ltd. Terminal base having fastening structure
CN109314324B (en) * 2016-05-30 2021-03-30 威德米勒界面有限公司及两合公司 Spring force terminal for conductor
DE202016102959U1 (en) * 2016-06-02 2017-09-06 Weidmüller Interface GmbH & Co. KG Spring terminal for conductor
AT15515U1 (en) * 2016-06-13 2017-11-15 Benedict Gmbh Spring terminal
DE202016105826U1 (en) * 2016-10-18 2018-01-19 Wago Verwaltungsgesellschaft Mbh Conductor terminal with at least one spring terminal connection
DE202018102218U1 (en) * 2018-04-20 2019-07-23 Phoenix Contact Gmbh & Co. Kg Electrical connection terminal

Also Published As

Publication number Publication date
DE102019121581A1 (en) 2021-02-11
EP4010945A1 (en) 2022-06-15
DE102019121581B4 (en) 2023-05-04
CN114207947A (en) 2022-03-18
US20220336971A1 (en) 2022-10-20
WO2021028263A1 (en) 2021-02-18

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