EP2033266B1 - Cable connection clamp - Google Patents

Cable connection clamp Download PDF

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Publication number
EP2033266B1
EP2033266B1 EP07718493A EP07718493A EP2033266B1 EP 2033266 B1 EP2033266 B1 EP 2033266B1 EP 07718493 A EP07718493 A EP 07718493A EP 07718493 A EP07718493 A EP 07718493A EP 2033266 B1 EP2033266 B1 EP 2033266B1
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EP
European Patent Office
Prior art keywords
clamping
cable connection
conductor
actuating element
connection clamp
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
EP07718493A
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German (de)
French (fr)
Other versions
EP2033266A1 (en
Inventor
Robert Ehrlich
Thomas Irsigler
Martin Danninger
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.)
PC Electric GmbH
Original Assignee
PC Electric GmbH
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Filing date
Publication date
Application filed by PC Electric GmbH filed Critical PC Electric GmbH
Priority to PL07718493T priority Critical patent/PL2033266T3/en
Publication of EP2033266A1 publication Critical patent/EP2033266A1/en
Application granted granted Critical
Publication of EP2033266B1 publication Critical patent/EP2033266B1/en
Active legal-status Critical Current
Anticipated expiration legal-status Critical

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    • 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
    • H01R4/50—Clamped connections, spring connections utilising a cam, wedge, cone or ball also combined with a screw
    • H01R4/52—Clamped connections, spring connections utilising a cam, wedge, cone or ball also combined with a screw which is spring loaded
    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01R—ELECTRICALLY-CONDUCTIVE CONNECTIONS; STRUCTURAL ASSOCIATIONS OF A PLURALITY OF MUTUALLY-INSULATED ELECTRICAL CONNECTING ELEMENTS; COUPLING DEVICES; CURRENT COLLECTORS
    • H01R24/00—Two-part coupling devices, or either of their cooperating parts, characterised by their overall structure
    • H01R24/28—Coupling parts carrying pins, blades or analogous contacts and secured only to wire or cable

Definitions

  • the present invention relates to a conductor terminal with a pin or socket-like contact part having a clamping portion, with a conductor insertion opening for an electrical conductor and a transverse thereto, this intersecting clamping opening, and a movable therein clamping element, which is selectively in a clamping position, in which the electrical conductor is clamped in the conductor insertion opening and is movable into a release position, in which the electrical conductor is displaceable in the conductor insertion opening, according to the preamble of claim 1 and an electrical plug-in device for receiving at least one conductor terminal according to the preamble of claim 11.
  • Such conductor connection terminals are so-called screwless conductor connection terminals.
  • Their main field of application are electrical plug-in devices whose contact parts are formed in a known manner pen or bush-like.
  • screwless conductor terminals it is no longer necessary to fix the electrical conductor by means of a screw.
  • a prestressed spring or a lever mechanism are used, which apply the clamping force required for fixing the electrical conductor.
  • Such a conductor terminal is already out of the US 2,539,333 known.
  • the clamping element clamping the electrical conductor can be brought into a release position in the clamping opening in order to be able to introduce the electrical conductor into the contact part.
  • the sleeve moved back to its original position, whereby the clamping element is moved in the clamping opening back into its clamping position, whereby the electrical conductor is clamped against the contact part.
  • the present invention also seeks to provide a conductor terminal which assures reliable retention of the conductor clamped in the conductor insertion opening while providing security against tampering or unintentional release of the conductor from its clamped position.
  • a generic conductor terminal comprises a pin or socket-like contact part, which has a conductor insertion opening for an electrical conductor and a transverse thereto, this intersecting clamping opening. In this clamping opening a movable clamping element is held, which is selectively movable into a clamping position in which the electrical conductor is clamped in the conductor insertion opening and in a release position in which the electrical conductor in the conductor insertion opening is displaceable.
  • an actuating element for the clamping element is provided, which can be locked in the clamping position and / or release position of the clamping element.
  • an easy-to-operate conductor terminal is provided, which ensures a reliable hold of the clamped in the conductor insertion opening conductor while security against tampering or unintentional release of the conductor from its clamped position.
  • the clamping position and the release position of the clamping element are each clearly defined by the locking function of the actuating element, so that an accidental actuation of the actuating element is avoided in this case to be overcome, clearly noticeable resistance.
  • the actuating element is movably mounted on the clamping element or on the contact part, preferably on the clamping section. In this way, at least one clamping segment of the actuating element can be pivoted upon actuation of the actuating element into its position locking the clamping element respectively in the clamping position and / or in the release position.
  • Such a lever effect is realized in the actuation case of the actuating element about the axis of the clamping element or about the axis of a contact element arranged on the bearing element, which enables an effective force application on the actuating element.
  • the at least one clamping segment can be locked on the contact part or according to the characterizing Characteristics of claim 3 at an external latching portion, preferably at least one latching nub.
  • the operation of the conductor terminal according to the invention can also be realized by providing a single clamping segment on the actuating element, for example by arranging an actuating element in a centrally slotted contact portion or by arrangement of the actuating element only on one side of the contact portion, it is in a preferred embodiment according to the characterizing Features of claim 4, provided that the actuating element surrounds the preferably cylindrical cross-section of the clamping portion at least partially and two clamping segments are provided, the clear distance in the clamping position and in the release position of the clamping element is smaller than the outer diameter of the clamping portion.
  • the actuator during its movement from the release position into the clamping position or vice versa elastically deformed or the clear distance of the two clamping segments expanded briefly, and then assume its original shape and size again in the respective locking position of the actuator and The actuator thus secure to fix in this position until a renewed application of force or actuation of the actuator takes place.
  • the two end portions of the clamping element preferably protrude out of the clamping opening and are received by two corresponding recesses in the actuating element.
  • the clamping portion has no cylindrical cross-section, but for example an oval or polygonal cross-section, it is in each case the largest to be overcome or considered relative to the axis of rotation of the actuating element relevant outer dimension of this clamping section cross-section, which must be greater than the clear distance of the two clamping segments.
  • the clamping portion facing contact surfaces of the actuating element or the clamping segments each at least partially correspond to the outer contour of the clamping portion.
  • defined contact surfaces of the clamping segments approximately congruent contact the outer contour of the clamping portion during the release position of the clamping element, while other defined contact surfaces contact the outer contour of the clamping portion during the clamping position of the clamping element approximately congruent.
  • the clamping opening extends in a side view of the contact part inclined to the longitudinal axis of the contact part, preferably inclined at an angle ⁇ between 30 ° and 60 °.
  • the axial force acting of the spring element causes a movement of the clamping element in both the axial and in the radial direction relative to the contact part.
  • this inclination causes an entanglement of conductor insertion opening and clamping opening, whereby the clamping force, which is to hold the electrical conductor in the conductor insertion opening, can be optimized, ie. at the same provided by the spring element clamping force can actually from Clamping force exerted on the electrical conductor clamping force can be increased or decreased depending on the inclination of the terminal opening.
  • the actuating element In order to handle the occurring during actuation of the actuating element elastic deformation of the actuating element according to the overcoming of the outer diameter or the relevant external dimensions of the clamping portion of the contact part by the clamping segments during the movement of the actuating element in one of its arresting positions easily and without material embrittlement, the actuating element according to the characterizing features of claim 8 made of plastic, preferably made of polycarbonate. Due to the high modulus of elasticity of these materials early material wear in the case of frequent actuation of the actuator is avoided.
  • the actuator and conductor terminal may be sized so that the actuator is manually engageable in its locked positions, it may also be desirable, for example, to prevent unintentional release of the electrical conductor from the conductor insertion opening, that movement of the actuator into or out of its respective locked positions by means of mere manual force application is difficult or impossible, but the use of an external tool such as a screwdriver for pressure is required.
  • the actuating element according to the characterizing features of claim 9, an actuating slot for receiving or for approach of an external tool, by means of which the actuating element can be brought into its locking position in the release position locking position.
  • the actuating slot extends with its longitudinal extent preferably parallel to the axis of rotation of the actuating element or extends in the Clamping element in the clamping position arresting position of the actuating element with a parallel to the longitudinal axis of the contact part extending breakthrough by the actuating element.
  • the clamping element In order to ensure a secure hold of the clamped electrical conductor between the inner wall of the clamping portion and the clamping element, the clamping element according to the characterizing features of claim 10 is provided on a the electrical conductor clamping member portion with a profiling or knurling.
  • This profiling or knurling proves to be particularly advantageous when it is tightened on the clamped electrical conductor, since in this case, the clamping element starts to roll off and a toothed with the electrical conductor, whereby the clamping effect is increased.
  • a plurality of the conductor connection terminals according to the invention are arranged in a preferably multi-part housing, wherein according to the characterizing features of claim 12 within the housing, a mounting plate is provided which has mounting holes, which are provided with locking edges, with the corresponding on cooperate with the conductor connection terminals arranged locking grooves.
  • the mounting plate is made in one piece with the housing and forms an integral part of the same.
  • receiving shafts for the conductor connection terminals are provided within the housing, whereby on the one hand their mounting in the housing is facilitated and on the other hand, an insulation of the conductor terminals is achieved with each other.
  • the receiving wells are provided in the region of the actuating elements of the respective associated conductor terminal with a latching portion preferably locking nubs, which are provided for engaging in arranged on the actuators recesses.
  • the locking of the actuating element is therefore not carried out over the circumference of the clamping portion of the conductor connection terminal but by latching with the housing of the electrical plug-in device.
  • Fig.1 shows a conductor terminal with a contact part 1, which is executed in this embodiment in a pin-like form, however, can be just as well designed bush-shaped, depending on whether the so-constructed electrical plug-in device should be used as a plug or coupling.
  • left end portion of the contact part 1 is a cylindrical clamping portion 10 which is bounded by a shoulder 11 and a locking groove 27 and has a conductor insertion opening 2.
  • the axis of the conductor insertion opening 2 may extend parallel or inclined to the longitudinal axis 17 of the contact part 1 and is preferably arranged eccentrically to this.
  • the clamping portion 10 further comprises a clamping opening 3 which penetrates the clamping portion 10 transversely, preferably perpendicular to its axis or to the axis 17 of the contact part 1.
  • the clamping opening 3 is obliquely inclined with respect to the longitudinal axis 17 of the contact part 1, wherein the angle ⁇ (see also side view of the contact part 1 according to FIG Figure 6 ) between the axis 25 of the clamping opening 3 and the longitudinal axis 17 of the contact part 1 is preferably between 30 ° and 60 °.
  • a clamping element 4 which is pin or bolt-shaped in the present embodiment, slidably disposed.
  • the clamping element 4 is optionally in a clamping position in which an electrical conductor 5 is clamped in the conductor insertion opening 2 and in a release position, in which the electrical conductor 5 is slidable in the conductor insertion opening 2, movable.
  • the length of the clamping element 4 exceeds the depth of the clamping opening 3, so that on both sides of the clamping opening 3 each end portions of the clamping element 4 protrude from the clamping opening 3.
  • at least one of the two end sections is designed as a cylindrical head part 4 a, the diameter of which is greater than the width of the clamping opening 3.
  • a spring element 9 is biased between the paragraph 11 and the clamping element 4 and presses the clamping element 4 at its protruding from the clamping opening 3 end portions, the oblique course of the clamping opening 3 following, up, toward the inlet opening of the conductor insertion opening 2. This already the clamping position of the clamping element 4 designating position is shown in the illustration Fig.1 displayed.
  • the clamping element 4 must first be brought into its in opposition to the spring force exerted by the spring element 9 Figure 6 shown release position can be brought.
  • This is formed in the present embodiment approximately U-shaped or helmet-shaped and has a clamping portion 10 partially sheathing section 8, including two side legs 6a, 6b, which are each provided with an elongated recess 19 for receiving the end portions of the clamping element 4.
  • the end portions of the clamping element 4 are in this case rotatably and displaceably mounted in the recesses 19, wherein these are formed in the present embodiment as openings, but may well be formed like a blind hole. In the latter case, the formation of a cylindrical head part 4a is unnecessary.
  • FIGS. 3 and 4 is already an assembly of the in the Figures 1 and 2 shown components of the conductor terminal according to the invention, wherein Figure 3 an arresting of the actuating element 6 in its operating mode described below in the release position of the clamping element 4, while Figure 4 a locking of the actuating element 6 in the clamping position of the clamping element 4 shows. It can be seen here how the actuating element 6 can be pivoted about the axis of rotation 13 (corresponding to the longitudinal axis of the clamping element 4) of the clamping element 4 movably held in the clamping opening 3 and the recesses 19.
  • the conductor terminal according to the invention can be factory-installed in the in Figure 3 shown release position of the clamping element 4, that is delivered in a ready for receiving an electrical conductor 5 adjustment.
  • the actuating element 6 After insertion of the (not shown) electrical conductor 5 in the conductor insertion opening 2, the actuating element 6 on simple manner by means of manual application of force in the direction of a first actuating direction 20 in his in Figure 4 shown, the clamping element 4 are brought in its clamping position locking position, wherein on the side legs 6a, 6b of the actuating element 6 each knobs 16 are arranged to allow a manual force application.
  • This movement of the actuating element 6 and the sliding of the clamping element 4 in its the electrical conductor 5 clamping position is supported here by the force exerted by the spring element 9 in the axial direction of the contact part 1 clamping force.
  • actuating slot 12 for attachment of an external tool such as a screwdriver provided by means of which the force required for the operation can be performed without effort.
  • the actuating slot 12 extends with its longitudinal extension parallel to the axis of rotation 13 of the actuating element 6 / of the clamping element 4 and extends in the clamping element 4 in the clamping position arresting position of the actuating element 6 (Fig. Figure 4 ) with a parallel to the longitudinal axis 17 of the contact part 1 extending breakthrough by the web element 22nd
  • the detent mechanism described in more detail below can in this way and Way, a release of the electrical conductor 5 from the conductor insertion opening 2 can be prevented by unintentional contact of the actuating element 6 in the course of maintenance or installation work.
  • Figure 5 shows a side view of the (the electrical conductor 5 clamping) conductor terminal according to Figure 4
  • Figure 6 a side view of (the electric conductor 5 releasing) conductor terminal according to Figure 3 shows.
  • the clamping element 4 along the clamping opening axis 25 selectively in a release position ( Figure 6 ) or in a clamping position ( Figure 5 ) is movable, where it is locked according to the invention by means of the actuating element 6.
  • the position of the clamping element 4 in the clamping opening 3 and thus also in the recess 19 in the clamping position depends on the thickness of the electrical conductor to be clamped.
  • the locking of the actuating element 6 in the clamping or release position of the clamping element 4 takes place according to a particularly preferred embodiment of the invention by means of the preferably cylindrical cross-section of the clamping portion 10 embracing clamping segments 7a and 7b, wherein the clear distance 14 between the two clamping segments 7a and 7b is kept smaller than the outer diameter 15 of the clamping portion 10 (see Fig.7 and Fig.8 ).
  • the actuator 6 returns to one of its locked positions according to Fig.5 or Fig.6 back, then take the side legs 6a, 6b again their original shape and fix the actuator 6 such in both the position locking the clamping element 4 in the clamping position as well as in the position locking the clamping element 4 in the release position until a renewed actuation of the actuating element 6 takes place.
  • the locking function of the actuating element 6 is supported by the clamping portion 10 facing defined contact surfaces 24a-d of the actuating element 6 and the clamping segments 7a, 7b respectively correspond to the outer contour of the clamping portion 10.
  • the contact surfaces 24a, 24b of the clamping segments 7a, 7b contact the outer contour of the clamping section 10 approximately congruently during the release position of the clamping element 4 ( Figure 8 ), while further contact surfaces 24c, 24d on the outer contour of the clamping portion 10 during the clamping position of the clamping element 4 come approximately congruent to the concern ( Figure 7 ).
  • the clamping segments 7 are preferably designed as a unitary components with the actuating element 6, but may also be made as separate elements, which are arranged on the actuating element 6 by means of conventional joining techniques, wherein the clamping segments 7 may optionally consist of a different material than the actuating element 6.
  • the actuator 6 is made of plastic, preferably made of polycarbonate.
  • the actuator 6 can also be made of suitable metallic or other materials that meet the requirements of operational elastic deformation.
  • the clamping portion 10 has approximately no cylindrical cross section, but e.g. an oval or polygonal cross-section, so it is not the outer diameter 15, but in each case (depending on the axis of rotation of the actuating element 6) to be overcome outer dimension of this clamping section cross-section, which must be greater than the clear distance 14 of the two clamping segments 7a, 7b.
  • the shape of the clamping segments 7a, 7b will in this case be adapted to the individual cross-sectional shape of the clamping section 10.
  • the inventive operation of the conductor terminal can also be realized by Providing a single clamping segment 7 on the actuator 6, for example, by arranging a one-legged actuator 6 in a centrally slotted clamping portion 10 or by articulation of a one-arm actuator 6 only on one side of the clamping portion 10.
  • the statements made with regard to the arrangement of the contact surfaces 24a-d of the clamping segments 7 apply analogously.
  • FIG 10 is an electrical connector 26 according to a sectional guide AA Figure 9 shown, in which a conductor terminal according to the invention is integrated.
  • the electrical plug-in device 26 comprises a first housing part 30 and a second housing part 31, which are connected to each other in a conventional manner, for example by means of a latching or screw connection 32.
  • the second housing part 31 facing away from the end portion of the first housing part 30 is provided with a cover 33, preferably a threaded nut having a receiving opening 34.
  • electrical conductors 5 are inserted in the course of their assembly in the multi-part housing 30,31 and attached to the arranged on a mounting plate 35 of the second housing part 31 conductor terminals 1, here as plug pins 29, attached.
  • the mounting plate 35 has a receiving openings 37 forming support portion 36, which is provided with pointing into the receiving openings 37 locking webs 28.
  • the receiving openings 37 go into axially extending receiving shafts 42, which also serve as insulation between the male conductor terminals 1.
  • each receiving openings 37 and receiving shaft 42 the contact part 1 of a conductor terminal according to the invention (with removed first housing part 30) is inserted, so that it engages with its locking groove 27 in the locking bar 28 of the support portion 36 and is held firmly in this position.
  • the guided through the opening 34 of the cover 33 electrical conductor 5 can be used in the manner described above in the conductor insertion opening 2 of the contact part 1 and using the actuator 6 according to the invention reliably and easily clamped between the inner wall of the clamping portion 10 and the clamping element 4 ,
  • first housing part 30, as in Figure 10 shown, attached to the second housing part 31 and held in the interior of the second housing part 31 connector pins 29 are ready to be received by a socket-shaped receiving element, not shown, or in the case of female contact parts 1, these are ready to receive corresponding pins.
  • Figure 13 shows a plan view of an electrical connector according to the invention with removed first housing part 30.
  • clamp the fixed in the housing part 31 conductor terminals 1 not over the diameter of the clamping portion 10 but over arranged in the housing part 31 locking portions, for example locking nubs 40th These are arranged on the inside of the receiving slots 42 in the region of the actuators 6.
  • the latter preferably have at both side legs 6a, 6b at their outer surfaces facing the receiving slots 42 recesses 41, in which the locking nubs 40 can engage.
  • the locking knobs 40 are thus in engagement with the recesses 41 (FIG. Figure 14 ).
  • the locking nubs 40 When pivoting an actuating element 6 in the locked clamping position, the locking nubs 40 are overcome by elastic deformation of the actuating element 6 ( Fig.15 and 16 ), so that the locking knob in the Figure 15 comes to rest on the left of the actuator 6 and prevents further pivoting back of the actuator 6 in the locked release position for the time being. Only by additional application of force, which in turn causes an elastic deformation of the actuating element 6, the locking knobs 40 can be overcome and brought back into engagement with the recesses 41.

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  • Details Of Connecting Devices For Male And Female Coupling (AREA)
  • Superconductors And Manufacturing Methods Therefor (AREA)
  • Cable Accessories (AREA)
  • Coupling Device And Connection With Printed Circuit (AREA)
  • Connections Arranged To Contact A Plurality Of Conductors (AREA)

Abstract

Cable connection clamp with a pin-shaped or socket-shaped contact part (1) with a cable entry opening (2) for an electrical cable (5), and with a clamp opening (3) extending at angle to it, intersecting the opening, and with a moveable clamp element (4) inside it, which can optionally be moved into a clamping position in which the electrical cable (5) is clamped in the cable entry opening (2), and into a release position in which the electrical cable (5) is displaceable in the cable entry opening (2). According to the invention an activation element (6) for the clamp element (4) is provided, which can be locked in the clamping position and/or the release position of the clamp element (4).

Description

GEBIET DER ERFINDUNGFIELD OF THE INVENTION

Die vorliegende Erfindung betrifft eine Leiteranschlussklemme mit einem stift- oder buchsenartigen Kontaktteil, der einen Klemmabschnitt aufweist, mit einer Leitereinführungsöffnung für einen elektrischen Leiter und einer quer dazu verlaufenden, diese schneidende Klemmöffnung, sowie einem darin beweglichen Klemmelement, welches wahlweise in eine Klemmstellung, in welcher der elektrische Leiter in der Leitereinführungsöffnung geklemmt wird und in eine Freigabestellung, in welcher der elektrische Leiter in der Leitereinführungsöffnung verschiebbar ist, bewegbar ist, gemäß dem Oberbegriff des Anspruchs 1 sowie eine elektrische Steckvorrichtung zur Aufnahme zumindest einer Leiteranschlussklemme gemäß dem Oberbegriff des Anspruchs 11.The present invention relates to a conductor terminal with a pin or socket-like contact part having a clamping portion, with a conductor insertion opening for an electrical conductor and a transverse thereto, this intersecting clamping opening, and a movable therein clamping element, which is selectively in a clamping position, in which the electrical conductor is clamped in the conductor insertion opening and is movable into a release position, in which the electrical conductor is displaceable in the conductor insertion opening, according to the preamble of claim 1 and an electrical plug-in device for receiving at least one conductor terminal according to the preamble of claim 11.

STAND DER TECHNIKSTATE OF THE ART

Bei solchen Leiteranschlussklemmen handelt es sich um so genannte schraublose Leiteranschlussklemmen. Deren Haupteinsatzgebiet sind elektrische Steckvorrichtungen, deren Kontaktteile in bekannter Weise stift- oder buchsenartig ausgebildet sind. Bei Einsatz solcher schraubloser Leiteranschlussklemmen ist es nicht mehr erforderlich, den elektrischen Leiter mittels einer Schraube zu fixieren. Anstelle der Schraube kommen eine vorgespannte Feder oder ein Hebelmechanismus zum Einsatz, welche die zur Fixierung des elektrischen Leiters erforderliche Klemmkraft aufbringen.Such conductor connection terminals are so-called screwless conductor connection terminals. Their main field of application are electrical plug-in devices whose contact parts are formed in a known manner pen or bush-like. When using such screwless conductor terminals, it is no longer necessary to fix the electrical conductor by means of a screw. Instead of the screw, a prestressed spring or a lever mechanism are used, which apply the clamping force required for fixing the electrical conductor.

Eine solche Leiteranschlussklemme ist bereits aus der US 2 539 333 bekannt. Durch axiales Verschieben einer am Kontaktteil angeordneten Hülse kann das den elektrischen Leiter klemmende Klemmelement in der Klemmöffnung in eine Freigabestellung gebracht werden, um den elektrischen Leiter in den Kontaktteil einführen zu können. Danach wird die Hülse wieder in Ihre Ausgangsstellung bewegt, wodurch das Klemmelement in der Klemmöffnung wieder in seine Klemmstellung bewegt wird, wodurch der elektrische Leiter gegen das Kontaktteil geklemmt wird.Such a conductor terminal is already out of the US 2,539,333 known. By axially displacing a sleeve arranged on the contact part, the clamping element clamping the electrical conductor can be brought into a release position in the clamping opening in order to be able to introduce the electrical conductor into the contact part. After that, the sleeve moved back to its original position, whereby the clamping element is moved in the clamping opening back into its clamping position, whereby the electrical conductor is clamped against the contact part.

Als nachteilig bei dieser bekannten schraublosen Kabelklemme hat sich jedoch die Tatsache erwiesen, dass das Klemmelement in seiner Freigabestellung nicht arretiert werden kann. Dadurch ist das Einführen eines elektrischen Leiters in den Kontaktteil stets umständlich, da mit einer Hand das Klemmelement in seiner Freigabestellung gehalten werden muss und somit nur mehr eine Hand für das Einführen des elektrischen Leiters zur Verfügung steht.A disadvantage of this known screwless cable clamp, however, has proven the fact that the clamping element can not be locked in its release position. As a result, the insertion of an electrical conductor in the contact part is always cumbersome because with one hand the clamping element must be kept in its release position and thus only one hand is available for the insertion of the electrical conductor.

Des weiteren kann durch den Umstand, dass ein unbeabsichtigtes Kontaktieren der Hülse im Zuge von Montage- oder Wartungsarbeiten keinen signifikanten Widerstand bzw. keinen spürbaren Druckpunkt hervorruft, ein unerwünschtes Lösen des elektrischen Leiters aus der Leiteranschlussklemme ermöglicht.Furthermore, the fact that inadvertent contacting of the sleeve in the course of assembly or maintenance work does not cause any significant resistance or pressure point allows undesired release of the electrical conductor from the conductor terminal.

Es ist daher die Aufgabe der vorliegenden Erfindung, diesen Nachteil zu verhindern und eine Leiteranschlussklemme zu schaffen, welche eine Arretierung des Klemmelementes in der Klemmöffnung zumindest in seiner Freigabestellung ermöglicht.It is therefore the object of the present invention to prevent this disadvantage and to provide a conductor terminal, which enables a locking of the clamping element in the clamping opening, at least in its release position.

Mit der vorliegenden Erfindung soll außerdem eine Leiteranschlussklemme bereitgestellt werden, welche einen zuverlässigen Halt des in der Leitereinführungsöffnung geklemmten Leiters bei gleichzeitiger Sicherheit gegen Manipulation bzw. ein unbeabsichtigtes Freigeben des Leiters aus seiner geklemmten Position gewährleistet.The present invention also seeks to provide a conductor terminal which assures reliable retention of the conductor clamped in the conductor insertion opening while providing security against tampering or unintentional release of the conductor from its clamped position.

Es ist ein weiteres Ziel der vorliegenden Erfindung eine elektrische Steckvorrichtung zu schaffen, welche eine vereinfachte und zuverlässige Montagemöglichkeit von elektrischen Leitern gewährt.It is a further object of the present invention to provide an electrical connector which provides a simplified and reliable mounting capability of electrical conductors.

DARSTELLUNG DER ERFINDUNGPRESENTATION OF THE INVENTION

Erfindungsgemäß werden diese Ziele durch eine Leiteranschlussklemme mit den kennzeichnenden Merkmalen des Anspruchs 1 und eine elektrische Steckvorrichtung mit den kennzeichnenden Merkmalen des Anspruchs 11 erreicht. Eine gattungsgemäße Leiteranschlussklemme umfasst einen stift- oder buchsenartigen Kontaktteil, welcher eine Leitereinführungsöffnung für einen elektrischen Leiter und eine quer dazu verlaufende, diese schneidende Klemmöffnung aufweist. In dieser Klemmöffnung ist ein bewegliches Klemmelement gehalten, welches wahlweise in eine Klemmstellung, in welcher der elektrische Leiter in der Leitereinführungsöffnung geklemmt wird und in eine Freigabestellung, in welcher der elektrische Leiter in der Leitereinführungsöffnung verschiebbar ist, bewegbar ist.According to the invention these objects are achieved by a conductor terminal with the characterizing features of claim 1 and an electrical plug-in device with the characterizing features of claim 11. A generic conductor terminal comprises a pin or socket-like contact part, which has a conductor insertion opening for an electrical conductor and a transverse thereto, this intersecting clamping opening. In this clamping opening a movable clamping element is held, which is selectively movable into a clamping position in which the electrical conductor is clamped in the conductor insertion opening and in a release position in which the electrical conductor in the conductor insertion opening is displaceable.

Erfindungsgemäß ist der Einsatz eines Betätigungselementes für das Klemmelement vorgesehen, welches in der Klemmstellung und/oder Freigabestellung des Klemmelementes arretierbar ist. Auf diese Weise wird eine einfach zu betätigende Leiteranschlussklemme bereitgestellt, welche einen zuverlässigen Halt des in der Leitereinführungsöffnung geklemmten Leiters bei gleichzeitiger Sicherheit gegen Manipulation bzw. ein unbeabsichtigtes Freigeben des Leiters aus seiner geklemmten Position gewährleistet. Die Klemmstellung und die Freigabestellung des Klemmelementes sind durch die arretierende Funktion des Betätigungselementes jeweils eindeutig definiert, sodass ein ungewolltes Betätigen des Betätigungselementes zufolge des hierbei zu überwindenden, deutlich spürbaren Widerstandes vermieden wird.According to the invention, the use of an actuating element for the clamping element is provided, which can be locked in the clamping position and / or release position of the clamping element. In this way, an easy-to-operate conductor terminal is provided, which ensures a reliable hold of the clamped in the conductor insertion opening conductor while security against tampering or unintentional release of the conductor from its clamped position. The clamping position and the release position of the clamping element are each clearly defined by the locking function of the actuating element, so that an accidental actuation of the actuating element is avoided in this case to be overcome, clearly noticeable resistance.

Hierbei ist es nicht mehr notwendig, die Klemmöffnung, in welcher sich das Klemmelement bewegt, mit einem eigenen Arretierabschnitt zum Einrasten des Klemmelementes in seiner Klemmstellung auszustatten.In this case, it is no longer necessary, the clamping opening in which moves the clamping element, with its own Equip locking portion for locking the clamping element in its clamping position.

Weiterhin entfällt ein manuelles Vorgespannthalten des Betätigungselementes während des Einführens des Leiters in die Leitereinführungsöffnung, da die erfindungsgemäße Leiteranschlussklemme bereits in arretierter Freigabestellung des Klemmelementes in Einsatz gebracht bzw. in solcher Präparation ab Werk ausgeliefert werden kann. Dem Benutzer der erfindungsgemäßen Leiteranschlussklemme wird somit ein vereinfachtes Arbeiten und Installieren ermöglicht.Furthermore, a manual biasing maintenance of the actuating element during insertion of the conductor into the conductor insertion opening is eliminated, since the conductor connection terminal according to the invention can already be put into use in the locked release position of the clamping element or delivered from the factory in such a preparation. The user of the conductor terminal according to the invention thus a simplified working and installing is possible.

Um die Klemmkraft, welche mittels des Klemmelementes in der Klemmstellung auf den in die Leitereinführungsöffnung eingeführten Leiter ausgeübt wird, zu verstärken und eine sichere Klemmung desselben zu gewährleisten, ist es vorgesehen, dass das Klemmelement mittels eines Federelementes in Richtung der Klemmstellung des Klemmelementes, also entgegen dessen Freigabestellung vorgespannt ist.In order to reinforce the clamping force which is exerted by means of the clamping element in the clamping position on the conductor inserted into the conductor insertion opening, and to ensure a secure clamping thereof, it is provided that the clamping element by means of a spring element in the direction of the clamping position of the clamping element, ie opposite whose release position is biased.

Außerdem ist das Betätigungselement am Klemmelement oder am Kontaktteil, vorzugsweise am Klemmabschnitt, beweglich gelagert. Auf diese Weise kann mindestens ein Klemmsegment des Betätigungselementes bei Betätigung des Betätigungselementes in seine das Klemmelement jeweils in der Klemmstellung und/oder in der Freigabestellung arretierende Position verschwenkt werden. Solcherart wird im Betätigungsfalle des Betätigungselementes eine Hebelwirkung um die Achse des Klemmelementes oder um die Achse eines am Kontaktteil angeordneten Lagerelementes realisiert, welche einen wirkungsvollen Kraftangriff am Betätigungselement ermöglicht.In addition, the actuating element is movably mounted on the clamping element or on the contact part, preferably on the clamping section. In this way, at least one clamping segment of the actuating element can be pivoted upon actuation of the actuating element into its position locking the clamping element respectively in the clamping position and / or in the release position. Such a lever effect is realized in the actuation case of the actuating element about the axis of the clamping element or about the axis of a contact element arranged on the bearing element, which enables an effective force application on the actuating element.

Gemäß den kennzeichnenden Merkmalen des Anspruch 2 ist dabei vorgesehen, dass das mindestens eine Klemmsegment am Kontaktteil arretierbar ist bzw. gemäß den kennzeichnenden Merkmalen des Anspruchs 3 an einem externen Rastabschnitt, vorzugsweise an mindestens einer Rastnoppe.According to the characterizing features of claim 2 it is provided that the at least one clamping segment can be locked on the contact part or according to the characterizing Characteristics of claim 3 at an external latching portion, preferably at least one latching nub.

Obwohl die erfindungsgemäße Funktionsweise der Leiteranschlussklemme auch durch Vorsehung eines einzigen Klemmsegmentes am Betätigungselement verwirklicht werden kann, beispielsweise durch Anordnung eines Betätigungselementes in einem mittig geschlitzten Kontaktabschnitt oder durch Anordnung des Betätigungselementes lediglich an einer Seite des Kontaktabschnittes, so ist es in einer bevorzugten Ausführungsvariante gemäß den kennzeichnenden Merkmalen des Anspruchs 4 vorgesehen, dass das Betätigungselement den vorzugsweise zylindrischen Querschnitt des Klemmabschnittes zumindest abschnittsweise umgreift und zwei Klemmsegmente vorgesehen sind, deren lichter Abstand in der Klemmstellung und in der Freigabestellung des Klemmelementes kleiner ist als der Außendurchmesser des Klemmabschnittes. Dadurch ist bedingt, dass sich das Betätigungselement während seiner Bewegung von der Freigabestellung in die Klemmstellung oder umgekehrt elastisch verformt bzw. sich der lichte Abstand der zwei Klemmsegmente kurzfristig erweitert, um dann in der jeweils arretierenden Position des Betätigungselementes wieder seine ursprüngliche Form und Größe anzunehmen und das Betätigungselement somit sicher in dieser Position zu fixieren, bis eine erneute Krafteinleitung bzw. Betätigung des Betätigungselementes erfolgt. In dieser Anordnung ragen die beiden Endbereiche des Klemmelementes vorzugsweise aus der Klemmöffnung heraus und werden von zwei korrespondierenden Ausnehmungen im Betätigungselement aufgenommen.Although the operation of the conductor terminal according to the invention can also be realized by providing a single clamping segment on the actuating element, for example by arranging an actuating element in a centrally slotted contact portion or by arrangement of the actuating element only on one side of the contact portion, it is in a preferred embodiment according to the characterizing Features of claim 4, provided that the actuating element surrounds the preferably cylindrical cross-section of the clamping portion at least partially and two clamping segments are provided, the clear distance in the clamping position and in the release position of the clamping element is smaller than the outer diameter of the clamping portion. This is due to the fact that the actuator during its movement from the release position into the clamping position or vice versa elastically deformed or the clear distance of the two clamping segments expanded briefly, and then assume its original shape and size again in the respective locking position of the actuator and The actuator thus secure to fix in this position until a renewed application of force or actuation of the actuator takes place. In this arrangement, the two end portions of the clamping element preferably protrude out of the clamping opening and are received by two corresponding recesses in the actuating element.

Falls der Klemmabschnitt keinen zylindrischen Querschnitt aufweist, sondern beispielsweise einen ovalen oder polygonförmigen Querschnitt, so ist es jeweils das größte zu überwindende bzw. das relativ zur Drehachse des Betätigungselementes betrachtet relevante Außenmaß dieses Klemmabschnitt-Querschnitts, welches größer sein muss als der lichte Abstand der zwei Klemmsegmente.If the clamping portion has no cylindrical cross-section, but for example an oval or polygonal cross-section, it is in each case the largest to be overcome or considered relative to the axis of rotation of the actuating element relevant outer dimension of this clamping section cross-section, which must be greater than the clear distance of the two clamping segments.

Um eine weitere Verbesserung der arretierenden Funktion des Betätigungselementes zu erzielen, ist es gemäß den kennzeichnenden Merkmalen des Anspruchs 5 möglich, dass die dem Klemmabschnitt zugewandten Kontaktflächen des Betätigungselementes bzw. der Klemmsegmente jeweils zumindest abschnittsweise der Außenkontur des Klemmabschnittes entsprechen. Hierbei ist es gemäß den kennzeichnenden Merkmalen des Anspruchs 6 vorgesehen, dass definierte Kontaktflächen der Klemmsegmente die Außenkontur des Klemmabschnittes während der Freigabestellung des Klemmelementes annähernd kongruent kontaktieren, während andere definierte Kontaktflächen die Außenkontur des Klemmabschnittes während der Klemmstellung des Klemmelementes annähernd kongruent kontaktieren. Auf diese Weise wird jeweils ein fester Sitz des Betätigungselementes in seinen arretierenden Positionen erzielt.In order to achieve a further improvement of the locking function of the actuating element, it is possible according to the characterizing features of claim 5, that the clamping portion facing contact surfaces of the actuating element or the clamping segments each at least partially correspond to the outer contour of the clamping portion. Here, it is provided according to the characterizing features of claim 6 that defined contact surfaces of the clamping segments approximately congruent contact the outer contour of the clamping portion during the release position of the clamping element, while other defined contact surfaces contact the outer contour of the clamping portion during the clamping position of the clamping element approximately congruent. In this way, in each case a tight fit of the actuating element is achieved in its arresting positions.

Gemäß den kennzeichnenden Merkmalen des Anspruchs 7 erstreckt sich die Klemmöffnung in einer Seitenansicht des Kontaktteils geneigt zur Längsachse des Kontaktteils, vorzugsweise um einen Winkel β zwischen 30° und 60° geneigt. Dadurch bewirkt die axiale wirkende Kraft des Federelementes eine Bewegung des Klemmelementes sowohl in axialer als auch in radialer Richtung bezogen auf den Kontaktteil. Gleichzeitig bewirkt diese Neigung eine Verschränkung von Leitereinführungsöffnung und Klemmöffnung, wodurch die Klemmkraft, welche den elektrischen Leiter in der Leitereinführungsöffnung halten soll, optimiert werden kann, dh. bei gleicher durch das Federelement zur Verfügung gestellten Klemmkraft kann die tatsächlich vom Klemmelement auf den elektrischen Leiter ausgeübte Klemmkraft je nach Neigung der Klemmöffnung verstärkt oder verringert werden.According to the characterizing features of claim 7, the clamping opening extends in a side view of the contact part inclined to the longitudinal axis of the contact part, preferably inclined at an angle β between 30 ° and 60 °. As a result, the axial force acting of the spring element causes a movement of the clamping element in both the axial and in the radial direction relative to the contact part. At the same time, this inclination causes an entanglement of conductor insertion opening and clamping opening, whereby the clamping force, which is to hold the electrical conductor in the conductor insertion opening, can be optimized, ie. at the same provided by the spring element clamping force can actually from Clamping force exerted on the electrical conductor clamping force can be increased or decreased depending on the inclination of the terminal opening.

Um die während einer Betätigung des Betätigungselementes auftretende elastische Verformung des Betätigungselementes zufolge der Überwindung des Außendurchmessers bzw. des relevanten Außenmaßes des Klemmabschnittes des Kontaktteils durch die Klemmsegmente während der Bewegung des Betätigungselementes in eine seiner arretierenden Positionen problemlos und ohne Materialversprödung zu bewältigen, ist das Betätigungselement gemäß den kennzeichnenden Merkmalen des Anspruchs 8 aus Kunststoff, vorzugsweise Polycarbonat gefertigt. Aufgrund des hohen Elastizitätsmoduls dieser Werkstoffe wird ein frühzeitiger Materialverschleiß im Falle oftmaliger Betätigung des Betätigungselementes vermieden.In order to handle the occurring during actuation of the actuating element elastic deformation of the actuating element according to the overcoming of the outer diameter or the relevant external dimensions of the clamping portion of the contact part by the clamping segments during the movement of the actuating element in one of its arresting positions easily and without material embrittlement, the actuating element according to the characterizing features of claim 8 made of plastic, preferably made of polycarbonate. Due to the high modulus of elasticity of these materials early material wear in the case of frequent actuation of the actuator is avoided.

Während Betätigungselement und Leiteranschlussklemme so dimensioniert sein können, dass das Betätigungselement manuell in seine arretierten Stellungen bringbar ist, kann es auch wünschenswert sein, beispielsweise zwecks Vermeidung eines unbeabsichtigten Freigebens des elektrischen Leiters aus der Leitereinführungsöffnung, dass die Bewegung des Betätigungselementes in bzw. aus seinen jeweiligen arretierten Positionen mittels bloßem manuellen Krafteinsatz nur schwer oder gar nicht möglich ist, sondern der Einsatz eines externen Werkzeugs wie etwa eines Schraubendrehers zur Druckausübung erforderlich ist. Hierbei weist das Betätigungselement zufolge der kennzeichnenden Merkmale des Anspruchs 9 einen Betätigungsschlitz zur Aufnahme bzw. zum Ansatz eines externen Werkzeugs auf, mittels welchem das Betätigungselement in seine das Klemmelement in der Freigabestellung arretierende Position bringbar ist. Der Betätigungsschlitz verläuft mit seiner Längserstreckung vorzugsweise parallel zur Drehachse des Betätigungselementes bzw. erstreckt sich in der das Klemmelement in der Klemmstellung arretierenden Position des Betätigungselementes mit einem parallel zur Längsachse des Kontaktteils verlaufenden Durchbruch durch das Betätigungselement.While the actuator and conductor terminal may be sized so that the actuator is manually engageable in its locked positions, it may also be desirable, for example, to prevent unintentional release of the electrical conductor from the conductor insertion opening, that movement of the actuator into or out of its respective locked positions by means of mere manual force application is difficult or impossible, but the use of an external tool such as a screwdriver for pressure is required. Here, the actuating element according to the characterizing features of claim 9, an actuating slot for receiving or for approach of an external tool, by means of which the actuating element can be brought into its locking position in the release position locking position. The actuating slot extends with its longitudinal extent preferably parallel to the axis of rotation of the actuating element or extends in the Clamping element in the clamping position arresting position of the actuating element with a parallel to the longitudinal axis of the contact part extending breakthrough by the actuating element.

Um einen sicheren Halt des geklemmten elektrischen Leiters zwischen der Innenwandung des Klemmabschnittes und dem Klemmelement zu gewährleisten, ist das Klemmelement gemäß den kennzeichnenden Merkmalen des Anspruchs 10 an einem den elektrischen Leiter klemmenden Bauteilabschnitt mit einer Profilierung bzw. einer Rändelung versehen. Diese Profilierung bzw. Rändelung erweist sich insbesondere dann vorteilhaft, wenn am geklemmten elektrischen Leiter angezogen wird, da in diesem Fall das Klemmelement abzurollen beginnt und ein sich mit dem elektrischen Leiter verzahnt, wodurch die Klemmwirkung erhöht wird.In order to ensure a secure hold of the clamped electrical conductor between the inner wall of the clamping portion and the clamping element, the clamping element according to the characterizing features of claim 10 is provided on a the electrical conductor clamping member portion with a profiling or knurling. This profiling or knurling proves to be particularly advantageous when it is tightened on the clamped electrical conductor, since in this case, the clamping element starts to roll off and a toothed with the electrical conductor, whereby the clamping effect is increased.

Gemäß den kennzeichnenden Merkmalen des Anspruchs 11 sind mehrere der erfindungsgemäßen Leiteranschlussklemmen in einem vorzugsweise mehrteilig aufgebauten Gehäuse angeordnet, wobei gemäß den kennzeichnenden Merkmalen des Anspruchs 12 innerhalb des Gehäuses eine Montageplatte vorgesehen ist, welche Montageöffnungen aufweist, die mit Rastkanten versehen sind, die mit entsprechenden auf den Leiteranschlussklemmen angeordneten Rastnuten zusammenarbeiten.According to the characterizing features of claim 11, a plurality of the conductor connection terminals according to the invention are arranged in a preferably multi-part housing, wherein according to the characterizing features of claim 12 within the housing, a mounting plate is provided which has mounting holes, which are provided with locking edges, with the corresponding on cooperate with the conductor connection terminals arranged locking grooves.

In einer besonders bevorzugten Ausführungsvariante der Erfindung, wie in Anspruch 13, beschrieben ist die Montageplatte mit dem Gehäuse einstückig gefertigt und bildet einen integralen Bestandteil desselben.In a particularly preferred embodiment of the invention, as described in claim 13, the mounting plate is made in one piece with the housing and forms an integral part of the same.

Sind die erfindungsgemäßen Leiteranschlussklemmen als stiftförmig ausgebildet spricht man auch von einem Stecker, sind sie buchsenförmig ausgebildet spricht man von einer Kupplung.Are the conductor terminals according to the invention designed as a pin-shaped one speaks also of a plug, they are bush-shaped one speaks of a clutch.

Gemäß einer weiteren bevorzugten Ausführungsvariante der Erfindung sind innerhalb des Gehäuses Aufnahmeschächte für die Leiteranschlussklemmen vorgesehen, wodurch einerseits deren Montage im Gehäuse erleichtert wird und andererseits auch eine Isolierung der Leiteranschlussklemmen untereinander erzielt wird.According to a further preferred embodiment of the invention, receiving shafts for the conductor connection terminals are provided within the housing, whereby on the one hand their mounting in the housing is facilitated and on the other hand, an insulation of the conductor terminals is achieved with each other.

In einer zusätzlichen Ausführungsvariante der Erfindung ist vorgesehen, dass die Aufnahmeschächte im Bereich der Betätigungselemente der jeweils zugeordneten Leiteranschlussklemme mit einem Rastabschnitt vorzugsweise Rastnoppen versehen sind, die zum Eingreifen in an den Betätigungselementen angeordnete Ausnehmungen vorgesehen sind. Bei dieser erfindungsgemäßen Ausführungsvariante erfolgt die Arretierung des Betätigungselementes daher nicht über den Umfang des Klemmabschnittes der Leiteranschlussklemme sondern durch Verrastung mit dem Gehäuse der elektrischen Steckvorrichtung.In an additional embodiment of the invention it is provided that the receiving wells are provided in the region of the actuating elements of the respective associated conductor terminal with a latching portion preferably locking nubs, which are provided for engaging in arranged on the actuators recesses. In this embodiment variant according to the invention, the locking of the actuating element is therefore not carried out over the circumference of the clamping portion of the conductor connection terminal but by latching with the housing of the electrical plug-in device.

Die Erfindung wird nun anhand eines Ausführungsbeispiels näher erläutert. Dabei zeigt:The invention will now be explained in more detail with reference to an embodiment. Showing:

KURZE BESCHREIBUNG DER FIGURENBRIEF DESCRIPTION OF THE FIGURES

Fig.1Fig.1
ein Kontaktteil einer erfindungsgemäßen Leiteranschlussklemme in Schrägansichta contact part of a conductor terminal according to the invention in an oblique view
Fig.2Fig.2
ein auf das Kontaktteil aufsetzbares erfindungsgemäßes Betätigungselement in Schrägansichtan attachable to the contact part according to the invention actuator in an oblique view
Fig.3Figure 3
eine erfindungsgemäße Leiteranschlussklemme in Freigabestellunga conductor terminal according to the invention in the release position
Fig.4Figure 4
eine erfindungsgemäße Leiteranschlussklemme in Klemmstellunga conductor terminal according to the invention in clamping position
Fig.5Figure 5
eine Seitenansicht der erfindungsgemäßen Leiteranschlussklemme gemäß Fig.4 (Klemmstellung)a side view of the conductor terminal according to the invention according to Figure 4 (Clamping position)
Fig.6Figure 6
eine Seitenansicht der erfindungsgemäßen Leiteranschlussklemme gemäß Fig.3 (Freigabestellung)a side view of the conductor terminal according to the invention according to Figure 3 (Release position)
Fig.7Figure 7
eine Draufsicht der erfindungsgemäßen Leiteranschlussklemme gemäß Fig.5 (Klemmstellung)a plan view of the conductor terminal according to the invention according to Figure 5 (Clamping position)
Fig.8Figure 8
eine Draufsicht der erfindungsgemäßen Leiteranschlussklemme gemäß Fig.6 (Freigabestellung)a plan view of the conductor terminal according to the invention according to Figure 6 (Release position)
Fig.9Figure 9
eine Frontansicht einer erfindungsgemäßen elektrischen Steckvorrichtunga front view of an electrical connector according to the invention
Fig.10Figure 10
eine Schnittdarstellung einer erfindungsgemäßen elektrischen Steckvorrichtung entlang Linie A-A aus Fig.9 a sectional view of an electrical connector according to the invention along line AA Figure 9
Fig.11Figure 11
ein auf das Kontaktteil aufsetzbares erfindungsgemäßes Betätigungselement in Schrägansichtan attachable to the contact part according to the invention actuator in an oblique view
Fig.12Figure 12
eine erfindungsgemäße Leiteranschlussklemme in Klemmstellunga conductor terminal according to the invention in clamping position
Fig.13Figure 13
eine Draufsicht auf eine erfindungsgemäße elektrische Steckvorrichtunga plan view of an electrical connector according to the invention
Fig.14Figure 14
eine Detailansicht aus Fig.13 a detailed view Figure 13
Fig.15Figure 15
eine Detailansicht aus Fig.16 a detailed view Figure 16
Fig.16Figure 16
eine Draufsicht auf eine erfindungsgemäße elektrische Steckvorrichtunga plan view of an electrical connector according to the invention
WEGE ZUR AUSFÜHRUNG DER ERFINDUNGWAYS FOR CARRYING OUT THE INVENTION

Fig.1 zeigt eine Leiteranschlussklemme mit einem Kontaktteil 1, der in diesem Ausführungsbeispiel in stiftartiger Form ausgeführt ist, jedoch genauso gut buchsenförmig ausgeführt sein kann, je nachdem ob die so aufgebaute elektrische Steckvorrichtung als Stecker oder Kupplung zum Einsatz kommen soll. In seinem gemäß Fig.1 linken Endbereich des Kontaktteils 1 befindet sich ein zylindrischer Klemmabschnitt 10, der durch einen Absatz 11 und eine Rastnut 27 begrenzt ist und eine Leitereinführungsöffnung 2 aufweist. Fig.1 shows a conductor terminal with a contact part 1, which is executed in this embodiment in a pin-like form, however, can be just as well designed bush-shaped, depending on whether the so-constructed electrical plug-in device should be used as a plug or coupling. In his according to Fig.1 left end portion of the contact part 1 is a cylindrical clamping portion 10 which is bounded by a shoulder 11 and a locking groove 27 and has a conductor insertion opening 2.

Die Achse der Leitereinführungsöffnung 2 kann parallel oder geneigt zur Längsachse 17 des Kontaktteils 1 verlaufen und ist vorzugsweise exzentrisch zu dieser angeordnet.The axis of the conductor insertion opening 2 may extend parallel or inclined to the longitudinal axis 17 of the contact part 1 and is preferably arranged eccentrically to this.

Der Klemmabschnitt 10 weist des weiteren eine Klemmöffnung 3 auf, welche den Klemmabschnitt 10 quer, vorzugsweise senkrecht zu dessen Achse bzw. zur Achse 17 des Kontaktteils 1 durchdringt. Die Klemmöffnung 3 ist in Bezug zur Längsachse 17 des Kontaktteils 1 schräg geneigt, wobei der Winkel β (siehe auch Seitenansicht des Kontaktteils 1 gemäß Fig.6) zwischen der Achse 25 der Klemmöffnung 3 und der Längsachse 17 des Kontaktteils 1 vorzugsweise zwischen 30° und 60° beträgt.The clamping portion 10 further comprises a clamping opening 3 which penetrates the clamping portion 10 transversely, preferably perpendicular to its axis or to the axis 17 of the contact part 1. The clamping opening 3 is obliquely inclined with respect to the longitudinal axis 17 of the contact part 1, wherein the angle β (see also side view of the contact part 1 according to FIG Figure 6 ) between the axis 25 of the clamping opening 3 and the longitudinal axis 17 of the contact part 1 is preferably between 30 ° and 60 °.

In der Klemmöffnung 3 ist ein Klemmelement 4, welches im vorliegenden Ausführungsbeispiel stift- oder bolzenförmig ausgeführt ist, verschiebbar angeordnet. Das Klemmelement 4 ist wahlweise in eine Klemmstellung, in welcher ein elektrischer Leiter 5 in der Leitereinführungsöffnung 2 geklemmt wird und in eine Freigabestellung, in welcher der elektrische Leiter 5 in der Leitereinführungsöffnung 2 verschiebbar ist, bewegbar.In the clamping opening 3, a clamping element 4, which is pin or bolt-shaped in the present embodiment, slidably disposed. The clamping element 4 is optionally in a clamping position in which an electrical conductor 5 is clamped in the conductor insertion opening 2 and in a release position, in which the electrical conductor 5 is slidable in the conductor insertion opening 2, movable.

Um einen sicheren Halt des zwischen der Innenwandung des Klemmabschnittes 10 und dem Klemmelement 4 zu klemmenden elektrischen Leiter 5 zu gewährleisten, weist das in Fig.2 und Fig.11 näher ersichtliche Klemmelement 4 an einem den elektrischen Leiter 5 klemmenden Bauteilabschnitt 4b eine Rändelung 18 auf.In order to ensure a secure hold of between the inner wall of the clamping portion 10 and the clamping element 4 to be clamped electrical conductor 5, which has in Fig.2 and Figure 11 Closer apparent clamping element 4 on a the electrical conductor 5 clamping member portion 4b a knurling 18.

Die Länge des Klemmelementes 4 überschreitet die Tiefe der Klemmöffnung 3, so dass beidseitig der Klemmöffnung 3 jeweils Endabschnitte des Klemmelementes 4 aus der Klemmöffnung 3 herausragen. Zur Sicherung des Klemmelementes 4 ist zumindest einer der beiden Endabschnitte als zylindrischer Kopfteil 4a ausgeführt, dessen Durchmesser größer ist als die Breite der Klemmöffnung 3.The length of the clamping element 4 exceeds the depth of the clamping opening 3, so that on both sides of the clamping opening 3 each end portions of the clamping element 4 protrude from the clamping opening 3. To secure the clamping element 4, at least one of the two end sections is designed as a cylindrical head part 4 a, the diameter of which is greater than the width of the clamping opening 3.

Des weiteren ist ein Federelement 9 zwischen dem Absatz 11 und dem Klemmelement 4 vorgespannt gelagert und drückt das Klemmelement 4 an dessen aus der Klemmöffnung 3 herausragenden Endabschnitten, dem schrägen Verlauf der Klemmöffnung 3 folgend, nach oben, in Richtung Eintrittsöffnung der Leitereinführungsöffnung 2. Diese bereits die Klemmstellung des Klemmelementes 4 bezeichnende Position ist in der Darstellung gemäß Fig.1 abgebildet.Furthermore, a spring element 9 is biased between the paragraph 11 and the clamping element 4 and presses the clamping element 4 at its protruding from the clamping opening 3 end portions, the oblique course of the clamping opening 3 following, up, toward the inlet opening of the conductor insertion opening 2. This already the clamping position of the clamping element 4 designating position is shown in the illustration Fig.1 displayed.

Soll der zu montierende elektrische Leiter 5 in Einführrichtung 23 in die Leitereinführungsöffnung 2 eingesetzt werden, so muss das Klemmelement 4 zunächst entgegen der durch das Federelement 9 ausgeübten Federkraft in seine in Fig.6 dargestellte Freigabestellung gebracht werden.If the electrical conductor 5 to be mounted is to be inserted into the conductor insertion opening 2 in the insertion direction 23, then the clamping element 4 must first be brought into its in opposition to the spring force exerted by the spring element 9 Figure 6 shown release position can be brought.

Um eine solche Bewegung des Klemmelementes 4 in seine Freigabestellung oder wieder zurück in seine Klemmstellung zu vollziehen und in diesen beiden Stellungen zu arretieren, ist die Anordnung eines in Fig.2 abgebildeten erfindungsgemäßen Betätigungselementes 6 vorgesehen.In order to perform such a movement of the clamping element 4 in its release position or back to its clamping position and to lock in these two positions, the arrangement of an in Fig.2 pictured actuator 6 according to the invention provided.

Dieses ist im vorliegenden Ausführungsbeispiel annähernd U-förmig bzw. helmförmig ausgebildet und weist einen den Klemmabschnitt 10 teilweise ummantelnden Abschnitt 8 samt zwei Seitenschenkel 6a,6b auf, welche jeweils mit einer länglichen Ausnehmung 19 zur Aufnahme der Endabschnitte des Klemmelementes 4 versehen sind. Die Endabschnitte des Klemmelementes 4 sind hierbei in den Ausnehmungen 19 drehbar und verschieblich gelagert, wobei diese im vorliegenden Ausführungsbeispiel als Durchbrüche ausgebildet sind, jedoch genauso gut sacklochartig ausgebildet sein können. Im letzteren Fall erübrigt sich die Ausbildung eines zylindrischen Kopfteils 4a.This is formed in the present embodiment approximately U-shaped or helmet-shaped and has a clamping portion 10 partially sheathing section 8, including two side legs 6a, 6b, which are each provided with an elongated recess 19 for receiving the end portions of the clamping element 4. The end portions of the clamping element 4 are in this case rotatably and displaceably mounted in the recesses 19, wherein these are formed in the present embodiment as openings, but may well be formed like a blind hole. In the latter case, the formation of a cylindrical head part 4a is unnecessary.

Die Seitenschenkel 6a,6b weisen erfindungsgemäß Klemmsegmente 7a,7b auf, welche jeweils dem Klemmabschnitt 10 des Kontaktteils 1 zugewandt sind.The side legs 6a, 6b according to the invention on clamping segments 7a, 7b, which respectively face the clamping portion 10 of the contact part 1.

In den Figuren 3 und 4 ist bereits ein Zusammenbau der in den Figuren 1 und 2 dargestellten Bauteile der erfindungsgemäßen Leiteranschlussklemme dargestellt, wobei Fig.3 eine in ihrer Funktionsweise gleich unten beschriebene Arretierung des Betätigungselementes 6 in der Freigabestellung des Klemmelementes 4 zeigt, während Fig.4 eine Arretierung des Betätigungselementes 6 in der Klemmstellung des Klemmelementes 4 zeigt. Hierbei ist erkennbar, wie das Betätigungselement 6 um die Drehachse 13 (entspricht der Längsachse des Klemmelementes 4) des seinerseits in der Klemmöffnung 3 und den Ausnehmungen 19 beweglich gehaltenen Klemmelementes 4 verschwenkbar ist.In the FIGS. 3 and 4 is already an assembly of the in the Figures 1 and 2 shown components of the conductor terminal according to the invention, wherein Figure 3 an arresting of the actuating element 6 in its operating mode described below in the release position of the clamping element 4, while Figure 4 a locking of the actuating element 6 in the clamping position of the clamping element 4 shows. It can be seen here how the actuating element 6 can be pivoted about the axis of rotation 13 (corresponding to the longitudinal axis of the clamping element 4) of the clamping element 4 movably held in the clamping opening 3 and the recesses 19.

Die erfindungsgemäße Leiteranschlussklemme kann ab Werk in der in Fig.3 dargestellten Freigabestellung des Klemmelementes 4, also in einer für die Aufnahme eines elektrischen Leiters 5 bereiten Adjustierung ausgeliefert werden. Nach Einführen des (nicht dargestellten) elektrischen Leiters 5 in die Leitereinführungsöffnung 2 kann das Betätigungselement 6 auf einfache Weise mittels manueller Kraftanwendung in Richtung einer ersten Betätigungsrichtung 20 in seine in Fig.4 dargestellte, das Klemmelement 4 in seiner Klemmstellung arretierende Position gebracht werden, wobei an den Seitenschenkeln 6a,6b des Betätigungselementes 6 jeweils Noppen 16 angeordnet sind, um einen manuellen Kraftangriff zu ermöglichen. Diese Bewegung des Betätigungselementes 6 bzw. das Gleiten des Klemmelementes 4 in seine den elektrischen Leiter 5 klemmende Stellung wird hierbei durch die vom Federelement 9 in axialer Richtung des Kontaktteils 1 ausgeübte Spannkraft unterstützt.The conductor terminal according to the invention can be factory-installed in the in Figure 3 shown release position of the clamping element 4, that is delivered in a ready for receiving an electrical conductor 5 adjustment. After insertion of the (not shown) electrical conductor 5 in the conductor insertion opening 2, the actuating element 6 on simple manner by means of manual application of force in the direction of a first actuating direction 20 in his in Figure 4 shown, the clamping element 4 are brought in its clamping position locking position, wherein on the side legs 6a, 6b of the actuating element 6 each knobs 16 are arranged to allow a manual force application. This movement of the actuating element 6 and the sliding of the clamping element 4 in its the electrical conductor 5 clamping position is supported here by the force exerted by the spring element 9 in the axial direction of the contact part 1 clamping force.

Um das Betätigungselement 6 aus dieser das Klemmelement 4 in seiner Klemmstellung arretierenden Position wieder in die das Klemmelement 4 in seiner Freigabestellung arretierenden Position gemäß Fig.3 zu befördern, ist an einem die beiden Seitenschenkel 6a und 6b des Betätigungselementes 6 verbindenden Stegelement 22 ein Betätigungsschlitz 12 zum Ansatz eines externen Werkzeugs wie etwa eines Schraubendrehers vorgesehen, mittels welchem die zur Betätigung erforderliche Kraftausübung ohne Anstrengung vollzogen werden kann. Der Betätigungsschlitz 12 verläuft mit seiner Längserstreckung parallel zur Drehachse 13 des Betätigungselementes 6/des Klemmelementes 4 bzw. erstreckt sich in der das Klemmelement 4 in der Klemmstellung arretierenden Position des Betätigungselementes 6 (Fig.4) mit einem parallel zur Längsachse 17 des Kontaktteils 1 verlaufenden Durchbruch durch das Stegelement 22.To the actuator 6 from this the clamping element 4 in its clamping position locking position again in the locking element 4 in its release position locking position Figure 3 to convey, is on an the two side legs 6a and 6b of the actuator 6 connecting web element 22 an actuating slot 12 for attachment of an external tool such as a screwdriver provided by means of which the force required for the operation can be performed without effort. The actuating slot 12 extends with its longitudinal extension parallel to the axis of rotation 13 of the actuating element 6 / of the clamping element 4 and extends in the clamping element 4 in the clamping position arresting position of the actuating element 6 (Fig. Figure 4 ) with a parallel to the longitudinal axis 17 of the contact part 1 extending breakthrough by the web element 22nd

Da zur Beförderung des Betätigungselementes 6 aus seiner das Klemmelement 4 in der Klemmstellung arretierenden Position in seine das Klemmelement 4 in der Freigabestellung arretierenden Position einerseits der Widerstand des Federelementes 9 überwunden werden muss und andererseits der weiter unten näher beschriebene Arretierungsmechanismus kann auf dieser Art und Weise ein Freigeben des elektrischen Leiters 5 aus der Leitereinführungsöffnung 2 durch ein unbeabsichtigtes Kontaktieren des Betätigungselementes 6 im Zuge von Wartungs- oder Montagearbeiten verhindert werden.Since the movement of the actuating element 6 from its locking the clamping element 4 in the clamping position position in its the clamping element 4 in the release position locking position on the one hand, the resistance of the spring element 9 must be overcome and on the other hand, the detent mechanism described in more detail below can in this way and Way, a release of the electrical conductor 5 from the conductor insertion opening 2 can be prevented by unintentional contact of the actuating element 6 in the course of maintenance or installation work.

Bei entsprechender Dimensionierung des Arretierungsmechanismus bzw. der Federkonstante kann aber auf den Einsatz eines externen Werkzeuges und somit auch auf den Betätigungsschlitz verzichtet werden.With appropriate dimensioning of the locking mechanism or the spring constant but can be dispensed with the use of an external tool and thus also on the actuating slot.

Fig.5 zeigt eine Seitenansicht der (den elektrischen Leiter 5 klemmenden) Leiteranschlussklemme gemäß Fig.4, während Fig.6 eine Seitenansicht der (den elektrischen Leiter 5 freigebenden) Leiteranschlussklemme gemäß Fig.3 zeigt. In diesen Ansichten ist insbesondere ersichtlich, wie das Klemmelement 4 längs der Klemmöffnungsachse 25 wahlweise in eine Freigabestellung (Fig.6) oder in eine Klemmstellung (Fig.5) bewegbar ist, wo es erfindungsgemäß mittels des Betätigungselementes 6 arretiert wird. Die Position des Klemmelementes 4 in der Klemmöffnung 3 und somit auch in der Ausnehmung 19 in der Klemmstellung richtet sich nach der Dicke des zu klemmenden elektrischen Leiters. Aufgrund der Tatsache, dass in Fig.5 kein elektrischer Leiter eingezeichnet ist, befindet sich das Klemmelement 4 in seiner oberst möglichen Position in der Klemmöffnung 3 und somit auch in der Ausnehmung 19 . Je dicker der zu klemmende elektrische Leiter, desto weiter wandert das Klemmelement 4 in seiner Klemmstellung in der Klemmöffnung 3 bzw. der Ausnehmung 19 nach unten (siehe Fig.12), ohne jedoch die Arretierung des Betätigungselementes 6 aufzuheben. Figure 5 shows a side view of the (the electrical conductor 5 clamping) conductor terminal according to Figure 4 , while Figure 6 a side view of (the electric conductor 5 releasing) conductor terminal according to Figure 3 shows. In these views, it is particularly apparent how the clamping element 4 along the clamping opening axis 25 selectively in a release position ( Figure 6 ) or in a clamping position ( Figure 5 ) is movable, where it is locked according to the invention by means of the actuating element 6. The position of the clamping element 4 in the clamping opening 3 and thus also in the recess 19 in the clamping position depends on the thickness of the electrical conductor to be clamped. Due to the fact that in Figure 5 no electrical conductor is located, the clamping element 4 is in its uppermost possible position in the clamping opening 3 and thus also in the recess 19th The thicker the electrical conductor to be clamped, the further the clamping element 4 moves in its clamping position in the clamping opening 3 or the recess 19 downwards (see Figure 12 ), but without lifting the locking of the actuating element 6.

Anstelle einer (schwimmenden) Lagerung des Betätigungselementes 6 am Klemmelement 4 kann jenes auch an eigens dafür vorgesehenen (fixen) Lagerelementen angelenkt sein, beispielsweise an zwei am Klemmabschnitt 10 oder an anderer Position des Kontaktteils 1 abstehenden Achsstummeln, welche von den Seitenschenkeln 6a,6b des Betätigungselementes 6 umgriffen werden.Instead of a (floating) mounting of the actuating element 6 on the clamping element 4 that can also be articulated to specially provided (fixed) bearing elements, for example, two at the clamping portion 10 or at another position of the Contact part 1 projecting axle stubs, which are encompassed by the side legs 6a, 6b of the actuating element 6.

Die Arretierung des Betätigungselementes 6 in der Klemm- bzw. Freigabestellung des Klemmelementes 4 erfolgt dabei gemäß einer besonders bevorzugten Ausführungsvariante der Erfindung mittels den vorzugsweise zylindrischen Querschnitt des Klemmabschnittes 10 umgreifenden Klemmsegmenten 7a und 7b, wobei der lichte Abstand 14 zwischen den beiden Klemmsegmenten 7a und 7b kleiner gehalten ist als der Außendurchmesser 15 des Klemmabschnittes 10 (siehe Fig.7 und Fig.8).The locking of the actuating element 6 in the clamping or release position of the clamping element 4 takes place according to a particularly preferred embodiment of the invention by means of the preferably cylindrical cross-section of the clamping portion 10 embracing clamping segments 7a and 7b, wherein the clear distance 14 between the two clamping segments 7a and 7b is kept smaller than the outer diameter 15 of the clamping portion 10 (see Fig.7 and Fig.8 ).

Bedingt durch die Lagerung des Betätigungselementes 6 am Klemmelement 4 bzw. die Verschwenkbarkeit des Betätigungselementes 6 um die Drehachse 13 wird mittels der beiden Klemmsegmente 7a,7b während einer Verschwenkung des Betätigungselementes 6 in eine der in Fig.7 und Fig.8 dargestellten arretierenden Positionen jeweils ein durch den parallel zur Drehachse 13 verlaufenden Außendurchmesser 15 des Klemmabschnittes 10 definierter Scheitelpunkt 39 überschritten, wodurch sich die Seitenschenkel 6a,6b des Betätigungselementes 6 in einer radial zum Klemmabschnittsquerschnitt gedachten Richtung nach außen wölben und für die Zeitdauer dieser Bewegungsphasen eine kurzfristige reversible Verformung erfahren. Es ist gleichfalls möglich, dass lediglich die Klemmsegmente 7a,7b eine elastische, reversible Verformung erfahren, während die Seitenschenkel 6a,6b des Betätigungselementes 6 während des gesamten Bewegungsvorganges unverformt bleiben.Due to the mounting of the actuating element 6 on the clamping element 4 or the pivoting of the actuating element 6 about the rotation axis 13 is by means of the two clamping segments 7a, 7b during pivoting of the actuating element 6 in one of Fig.7 and Fig.8 each shown by the parallel to the rotation axis 13 extending outer diameter 15 of the clamping portion 10 defined vertex 39 exceeded, whereby the side legs 6a, 6b of the actuating element 6 bulge in a direction radially to the Klemmabschnittsquerschnitt direction outwards and for the duration of these movement phases a short-term undergo reversible deformation. It is also possible that only the clamping segments 7a, 7b experience an elastic, reversible deformation, while the side legs 6a, 6b of the actuating element 6 remain undeformed during the entire movement process.

Kehrt das Betätigungselement 6 wieder in eine seiner arretierten Positionen gemäß Fig.5 oder Fig.6 zurück, so nehmen die Seitenschenkel 6a,6b erneut ihre ursprüngliche Form an und fixieren das Betätigungselement 6 solcherart sowohl in der das Klemmelement 4 in der Klemmstellung arretierenden Position als auch in der das Klemmelement 4 in der Freigabestellung arretierenden Position, bis eine erneute Betätigung des Betätigungselementes 6 erfolgt.The actuator 6 returns to one of its locked positions according to Fig.5 or Fig.6 back, then take the side legs 6a, 6b again their original shape and fix the actuator 6 such in both the position locking the clamping element 4 in the clamping position as well as in the position locking the clamping element 4 in the release position until a renewed actuation of the actuating element 6 takes place.

Die arretierende Funktion des Betätigungselementes 6 wird unterstützt, indem dem Klemmabschnitt 10 zugewandte definierte Kontaktflächen 24a-d des Betätigungselementes 6 bzw. der Klemmsegmente 7a,7b jeweils der Außenkontur des Klemmabschnitts 10 entsprechen. Insbesondere ist vorgesehen, dass die Kontaktflächen 24a,24b der Klemmsegmente 7a,7b die Außenkontur des Klemmabschnittes 10 während der Freigabestellung des Klemmelementes 4 annähernd kongruent kontaktieren (Fig.8), während weitere Kontaktflächen 24c,24d an der Außenkontur des Klemmabschnittes 10 während der Klemmstellung des Klemmelementes 4 annähernd deckungsgleich zum Anliegen kommen (Fig.7).The locking function of the actuating element 6 is supported by the clamping portion 10 facing defined contact surfaces 24a-d of the actuating element 6 and the clamping segments 7a, 7b respectively correspond to the outer contour of the clamping portion 10. In particular, it is provided that the contact surfaces 24a, 24b of the clamping segments 7a, 7b contact the outer contour of the clamping section 10 approximately congruently during the release position of the clamping element 4 ( Figure 8 ), while further contact surfaces 24c, 24d on the outer contour of the clamping portion 10 during the clamping position of the clamping element 4 come approximately congruent to the concern ( Figure 7 ).

Anhand von Fig.5 ist nachzuvollziehen, dass ab jenem Zeitpunkt, in welchem die Klemmsegmente 7a,7b während einer Kraftausübung auf das Betätigungselement 6 in Richtung der ersten Betätigungsrichtung 20 die Scheitelpunkte 39 passiert haben, ein durch die Federkraft des vorgespannten Federelementes 9 bewirktes selbsttätiges Befördern des Betätigungselementes 6 in seine das Klemmelement 4 in der Klemmstellung arretierende Position gemäß Fig.7 erfolgt.Based on Figure 5 It can be understood that from that point in time in which the clamping segments 7a, 7b have passed the apexes 39 during the application of force to the actuating element 6 in the direction of the first actuating direction 20, a self-conveyance of the actuating element 6 into its is effected by the spring force of the prestressed spring element 9 the clamping element 4 in the clamping position locking position according to Figure 7 he follows.

Die Klemmsegmente 7 sind vorzugsweise als einheitliche Bauteile mit dem Betätigungselement 6 ausgeführt, können jedoch auch als separate Elemente gefertigt sein, welche am Betätigungselement 6 mittels üblicher Verbindungstechniken angeordnet sind, wobei die Klemmsegmente 7 gegebenenfalls auch aus einem anderen Werkstoff als das Betätigungselement 6 bestehen können.The clamping segments 7 are preferably designed as a unitary components with the actuating element 6, but may also be made as separate elements, which are arranged on the actuating element 6 by means of conventional joining techniques, wherein the clamping segments 7 may optionally consist of a different material than the actuating element 6.

Um einer häufigen derartigen Beanspruchung ohne Materialversprödung standhalten zu können, ist das Betätigungselement 6 aus Kunststoff, vorzugsweise aus Polycarbonat gefertigt. Das Betätigungselement 6 kann jedoch ebenso aus geeigneten metallischen oder anderen Werkstoffen hergestellt sein, welche den Anforderungen der betriebsbedingten elastischen Verformung genügen.In order to withstand a frequent such stress without material embrittlement, the actuator 6 is made of plastic, preferably made of polycarbonate. However, the actuator 6 can also be made of suitable metallic or other materials that meet the requirements of operational elastic deformation.

Für den Fachmann ist verständlich, dass unterschiedliche Ausgestaltungen des Betätigungselementes 6 bzw. des Klemmabschnittes 10 möglich sind, ohne vom Erfindungsgedanken abzuweichen.It will be understood by those skilled in the art that various embodiments of the actuator 6 and the clamping portion 10 are possible without departing from the spirit.

Falls der Klemmabschnitt 10 etwa keinen zylindrischen Querschnitt aufweist, sondern z.B. einen ovalen oder polygonförmigen Querschnitt, so ist es nicht der Außendurchmesser 15, sondern jeweils das (von der Drehachse des Betätigungselementes 6 abhängige) zu überwindende Außenmaß dieses Klemmabschnitt-Querschnitts, welches größer sein muss als der lichte Abstand 14 der zwei Klemmsegmente 7a,7b. Die Ausformung der Klemmsegmente 7a,7b wird hierbei an die individuelle Querschnittsform des Klemmabschnittes 10 zu adaptieren sein.If the clamping portion 10 has approximately no cylindrical cross section, but e.g. an oval or polygonal cross-section, so it is not the outer diameter 15, but in each case (depending on the axis of rotation of the actuating element 6) to be overcome outer dimension of this clamping section cross-section, which must be greater than the clear distance 14 of the two clamping segments 7a, 7b. The shape of the clamping segments 7a, 7b will in this case be adapted to the individual cross-sectional shape of the clamping section 10.

Selbstverständlich kann die erfindungsgemäße Funktionsweise der Leiteranschlussklemme auch durch Vorsehung eines einzigen Klemmsegmentes 7 am Betätigungselement 6 verwirklicht werden, beispielsweise durch Anordnung eines einschenkeligen Betätigungselementes 6 in einem mittig geschlitzten Klemmabschnittes 10 oder durch Anlenkung eines einschenkeligen Betätigungselementes 6 lediglich an einer Seite des Klemmabschnittes 10. Im Falle solcher Ausführungsvarianten gilt das hinsichtlich der Anordnung der Kontaktflächen 24a-d der Klemmsegmente 7 Gesagte analog.Of course, the inventive operation of the conductor terminal can also be realized by Providing a single clamping segment 7 on the actuator 6, for example, by arranging a one-legged actuator 6 in a centrally slotted clamping portion 10 or by articulation of a one-arm actuator 6 only on one side of the clamping portion 10. In the case In such embodiments, the statements made with regard to the arrangement of the contact surfaces 24a-d of the clamping segments 7 apply analogously.

In Fig.10 ist eine elektrische Steckvorrichtung 26 gemäß einer Schnittführung A-A aus Fig.9 abgebildet, in welche eine erfindungsgemäße Leiteranschlussklemme integriert ist. Die elektrische Steckvorrichtung 26 umfasst ein erstes Gehäuseteil 30 und ein zweites Gehäuseteil 31, welche in üblicher Weise, beispielsweise mittels einer Rast- oder Schraubverbindung 32 miteinander verbunden sind. Der dem zweiten Gehäuseteil 31 abgewandte Endbereich des ersten Gehäuseteils 30 ist mit einem Abdeckelement 33, vorzugsweise einer Gewindemutter versehen, welche eine Aufnahmeöffnung 34 aufweist.In Figure 10 is an electrical connector 26 according to a sectional guide AA Figure 9 shown, in which a conductor terminal according to the invention is integrated. The electrical plug-in device 26 comprises a first housing part 30 and a second housing part 31, which are connected to each other in a conventional manner, for example by means of a latching or screw connection 32. The second housing part 31 facing away from the end portion of the first housing part 30 is provided with a cover 33, preferably a threaded nut having a receiving opening 34.

Durch die Aufnahmeöffnung 34 und einen trichterförmigen Anschlag 38 für eine entsprechend angepasstes Zug- und Verdrehsicherungselement (nicht gezeichnet) wie es beispielsweise aus der EP 1017137 A1 bekannt ist, hindurch werden elektrische Leiter 5 im Zuge deren Montage in das mehrteilige Gehäuse 30,31 eingeführt und an den an einer Montageplatte 35 des zweiten Gehäuseteils 31 angeordneten Leiteranschlussklemmen 1, hier als Steckerstifte 29 ausgebildet, befestigt.Through the receiving opening 34 and a funnel-shaped stop 38 for a correspondingly adapted pull and anti-rotation element (not shown) as it is for example from the EP 1017137 A1 is known, electrical conductors 5 are inserted in the course of their assembly in the multi-part housing 30,31 and attached to the arranged on a mounting plate 35 of the second housing part 31 conductor terminals 1, here as plug pins 29, attached.

Die Montageplatte 35 weist einen Aufnahmeöffnungen 37 ausbildenden Halterungsabschnitt 36 auf, welcher mit in die Aufnahmeöffnungen 37 weisenden Raststegen 28 versehen ist. Die Aufnahmeöffnungen 37 gehen in axial verlaufende Aufnahmeschächte 42 über, die gleichzeitig als Isolierung zwischen den aufzunehmenden Leiteranschlussklemmen 1 dienen.The mounting plate 35 has a receiving openings 37 forming support portion 36, which is provided with pointing into the receiving openings 37 locking webs 28. The receiving openings 37 go into axially extending receiving shafts 42, which also serve as insulation between the male conductor terminals 1.

In jede Aufnahmeöffnungen 37 bzw. Aufnahmeschacht 42 wird der Kontaktteil 1 einer erfindungsgemäßen Leiteranschlussklemme (bei abgenommenem ersten Gehäuseteil 30) eingesetzt, sodass dieser mit seiner Rastnut 27 in den Raststeg 28 des Halterungsabschnitts 36 einrastet und in dieser Position fest gehalten ist.In each receiving openings 37 and receiving shaft 42, the contact part 1 of a conductor terminal according to the invention (with removed first housing part 30) is inserted, so that it engages with its locking groove 27 in the locking bar 28 of the support portion 36 and is held firmly in this position.

Der durch die Öffnung 34 des Abdeckelementes 33 hindurchgeführte elektrische Leiter 5 kann in der oben beschriebenen Weise in die Leitereinführungsöffnung 2 des Kontaktteils 1 eingesetzt werden und mithilfe des erfindungsgemäßen Betätigungselementes 6 zuverlässig und auf einfache Weise zwischen der Innenwandung des Klemmabschnittes 10 und dem Klemmelement 4 geklemmt werden.The guided through the opening 34 of the cover 33 electrical conductor 5 can be used in the manner described above in the conductor insertion opening 2 of the contact part 1 and using the actuator 6 according to the invention reliably and easily clamped between the inner wall of the clamping portion 10 and the clamping element 4 ,

In der Folge wird der erste Gehäuseteil 30, so wie in Fig.10 abgebildet, an den zweiten Gehäuseteil 31 aufgesetzt und die im Inneren des zweiten Gehäuseteils 31 gehaltenen Steckerstifte 29 sind bereit, von einem nicht dargestellten buchsenförmigen Aufnahmeelement aufgenommen zu werden bzw. im Falle von buchsenförmigen Kontaktteilen 1 sind diese bereit entsprechende Steckerstifte aufzunehmen.As a result, the first housing part 30, as in Figure 10 shown, attached to the second housing part 31 and held in the interior of the second housing part 31 connector pins 29 are ready to be received by a socket-shaped receiving element, not shown, or in the case of female contact parts 1, these are ready to receive corresponding pins.

Fig.13 zeigt eine Draufsicht auf eine erfindungsgemäße elektrische Steckvorrichtung bei abgenommenem ersten Gehäuseteil 30. Im Unterschied zu jener in Fig.10 offenbarten elektrischen Steckvorrichtung, klemmen die im Gehäuseteil 31 befestigten Leiteranschlussklemmen 1 nicht über den Durchmesser des Klemmabschnittes 10 sondern über im Gehäuseteil 31 angeordnete Rastabschnitte beispielsweise Rastnoppen 40. Diese sind an der Innenseite der Aufnahmeschächte 42 im Bereich der Betätigungselemente 6 angeordnet. Letztere weisen vorzugsweise an beiden Seitenschenkel 6a, 6b an deren den Aufnahmeschächten 42 zugewandten Außenflächen Ausnehmungen 41 auf, in welche die Rastnoppen 40 eingreifen können. In der arretierten Freigabeposition eines Betätigungselementes 6 befinden sich die Rastnoppen 40 somit im Eingriff mit den Ausnehmungen 41 (Fig.14). Beim Verschwenken eines Betätigungselementes 6 in die arretierte Klemmstellung werden die Rastnoppen 40 durch elastische Verformung des Betätigungselementes 6 überwunden (Fig.15 und 16), sodass die Rastnoppe in der Fig.15 links vom Betätigungselement 6 zu liegen kommt und neuerliches Zurückschwenken des Betätigungselementes 6 in die arretierte Freigabeposition vorerst verhindert. Erst durch zusätzliche Kraftaufwendung, die wiederum eine elastische Verformung des Betätigungselementes 6 bewirkt, können die Rastnoppen 40 überwunden werden und wieder in Eingriff mit den Ausnehmungen 41 gebracht werden. Figure 13 shows a plan view of an electrical connector according to the invention with removed first housing part 30. In contrast to those in Figure 10 disclosed electrical plug-in device, clamp the fixed in the housing part 31 conductor terminals 1 not over the diameter of the clamping portion 10 but over arranged in the housing part 31 locking portions, for example locking nubs 40th These are arranged on the inside of the receiving slots 42 in the region of the actuators 6. The latter preferably have at both side legs 6a, 6b at their outer surfaces facing the receiving slots 42 recesses 41, in which the locking nubs 40 can engage. In the locked release position of an actuating element 6, the locking knobs 40 are thus in engagement with the recesses 41 (FIG. Figure 14 ). When pivoting an actuating element 6 in the locked clamping position, the locking nubs 40 are overcome by elastic deformation of the actuating element 6 ( Fig.15 and 16 ), so that the locking knob in the Figure 15 comes to rest on the left of the actuator 6 and prevents further pivoting back of the actuator 6 in the locked release position for the time being. Only by additional application of force, which in turn causes an elastic deformation of the actuating element 6, the locking knobs 40 can be overcome and brought back into engagement with the recesses 41.

BEZUGSZEICHENLISTELIST OF REFERENCE NUMBERS

11
Kontaktteilcontact part
22
LeitereinführungsöffnungConductor insertion opening
33
Klemmöffnungterminal opening
44
Klemmelementclamping element
4a4a
Kopfteil des KlemmelementesHead part of the clamping element
4b4b
den elektrischen Leiter klemmender Bauteilabschnitt des Klemmelementesthe electrical conductor clamped component portion of the clamping element
55
elektrischer Leiterelectrical conductor
66
Betätigungselementactuator
6a,b6a, b
Seitenschenkelside leg
77
Klemmsegmentclamping segment
88th
den Kontaktteil teilweise ummantelnder Abschnitt des Betätigungselementesthe contact part partially sheathing section of the actuating element
99
Federelementspring element
1010
Klemmabschnittclamping section
1111
Absatzparagraph
1212
Betätigungsschlitzactuating slot
1313
Achse des Klemmelementes/ Drehachse des BetätigungselementesAxle of the clamping element / axis of rotation of the actuating element
1414
lichter Abstand der Klemmsegmenteclear distance of the clamping segments
1515
Außendurchmesser des KlemmabschnittesOuter diameter of the clamping section
1616
Noppenburl
1717
Längsachse des KontaktteilsLongitudinal axis of the contact part
1818
Rändelungknurling
1919
Ausnehmung im BetätigungselementRecess in the actuator
2020
erste Betätigungsrichtung (Klemmrichtung)first actuating direction (clamping direction)
2121
zweite Betätigungsrichtung (Freigaberichtung)second actuating direction (release direction)
2222
Stegelementweb element
2323
Einführrichtung des elektrischen LeitersInsertion direction of the electrical conductor
2424
Kontaktflächencontact surfaces
2525
Achse der KlemmöffnungAxle of the clamping opening
2626
elektrische Steckvorrichtungelectrical plug-in device
2727
Rastnutlocking groove
2828
Raststeglatching web
2929
Steckerstiftepins
3030
erstes Gehäuseteilfirst housing part
3131
zweites Gehäuseteilsecond housing part
3232
Rast- oder SchraubverbindungLocking or screw connection
3333
Abdeckelementcover
3434
Öffnung des AbdeckelementesOpening of the cover
3535
Montageplattemounting plate
3636
Halterungsabschnittsupport portion
3737
Aufnahmeöffnung des HalterungsabschnittsReceiving opening of the support portion
3838
trichterförmiger Anschlagfunnel-shaped stop
3939
Scheitelpunktvertex
4040
Rastnoppestop knob
4141
Ausnehmungen an den SeitenschenkelnRecesses on the side legs
4242
Aufnahmeschächtereceiving shafts

Claims (13)

  1. A cable connection clamp, comprising a pin-shaped or socket-shaped contact part (1) with a clamping section (10), a cable insertion opening (2) for an electric conductor (5), and a clamping opening (3) which extends transversely thereto and intersects said insertion opening, and a clamping element (4) which is movable therein, which is selectively movable to a clamping position in which the electric conductor (5) is clamped in the conductor insertion opening(2) and to a release position in which the electric conductor (5) is displaceable in the conductor insertion opening (2), with the clamping element (4) being pretensioned by means of a spring element (9) in the direction of the clamping position, and with an actuating element (6) being provided for the clamping element (4), characterized in that the actuating element (6) comprises at least one clamping segment (7), by means of which the actuating element (6) can be locked in the clamping position and/or the release position of the clamping element (4), and that the actuating element (6) is movably disposed on the clamping element (4) in order to pivot the at least one clamping segment (7) upon actuation of the actuating element (6) into its position which locks the clamping element (4) in its respective clamping position and/or release position.
  2. A cable connection clamp according to claim 1, characterized in that the at least one clamping segment (7) can be locked on the contact part (1).
  3. A cable connection clamp according to claim 1, characterized in that the at least one clamping segment (7) can be locked on an external snap-in section (40), preferably on at least one snap-in button (40).
  4. A cable connection clamp according to one of the claims 1 to 3, characterized in that the actuating element (6) engages at least in sections around the preferably cylindrical cross-section of the clamping section (10) and two clamping segments (7a, 7b) are provided whose clear distance (14) in the clamping position and in the release position of the clamping element (4) is smaller than the outside diameter (15) of the clamping section (10).
  5. A cable connection clamp according to claim 4, characterized in that the contact surfaces (24a, 24b, 24c, 24d) of the clamping segments (7a, 7b) which face the clamping section (10) respectively correspond at least in sections to the outside contour of the clamping section (10).
  6. A cable connection clamp according to claim 5, characterized in that the contact surfaces (24a, 24b) of the clamping segments (7a, 7b) make contact in an approximately congruent manner with the outside contour of the clamping section (10) during the release position of the clamping element (4) and/or the contact surfaces (24c, 24d) make contact in an approximately congruent manner with the outside contour of the clamping section (10) during the clamping position of the clamping element (4).
  7. A cable connection clamp according to one of the claims 1 to 6, characterized in that in a side view of the contact part (1) the clamping opening (3) extends in an inclined manner relative to the longitudinal axis (17) of the contact part (1), preferably inclined by an angle β of between 30° and 60°.
  8. A cable connection clamp according to one of the claims 1 to 7, characterized in that the actuating element (6) is made of plastic, preferably of polycarbonate.
  9. A cable connection clamp according to one of the claims 1 to 8, characterized in that the actuating element (6) comprises an actuating slot (12) for accommodating or the application of an external tool, by means of which the actuating element (6) can be brought to its position in which it locks the clamping element (4) in the release position.
  10. A cable connection clamp according to one of the claims 1 to 9, characterized in that the clamping element (4) comprises a profiling or straight knurling (18) on a component section (17) which clamps the electric conductor (5).
  11. An electric connector apparatus, comprising a housing (30, 31) preferably arranged in several parts and cable connection clamps according to one of the claims 1 to 10 which are arranged therein.
  12. An electric connector apparatus according to claim 11, characterized in that a mounting plate (35) is provided within the housing (30, 31), which mounting plate comprises receiving openings (37) which are provided with snap-in edges (28) which cooperate with respective snap-in grooves (27) arranged on the cable connection clamps.
  13. An electric connector apparatus according to claim 12, characterized in that the mounting plate (35) is integrally made with the housing (30, 31) and forms an integral part thereof.
EP07718493A 2006-06-13 2007-06-12 Cable connection clamp Active EP2033266B1 (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
PL07718493T PL2033266T3 (en) 2006-06-13 2007-06-12 Cable connection clamp

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
AT0046406U AT9304U1 (en) 2006-06-13 2006-06-13 LADDER TERMINAL AND ELECTRICAL CONNECTOR
PCT/AT2007/000282 WO2007143767A1 (en) 2006-06-13 2007-06-12 Cable connection clamp

Publications (2)

Publication Number Publication Date
EP2033266A1 EP2033266A1 (en) 2009-03-11
EP2033266B1 true EP2033266B1 (en) 2012-02-15

Family

ID=38009030

Family Applications (1)

Application Number Title Priority Date Filing Date
EP07718493A Active EP2033266B1 (en) 2006-06-13 2007-06-12 Cable connection clamp

Country Status (7)

Country Link
EP (1) EP2033266B1 (en)
CN (1) CN101467308B (en)
AT (2) AT9304U1 (en)
DK (1) DK2033266T3 (en)
NO (1) NO339188B1 (en)
PL (1) PL2033266T3 (en)
WO (1) WO2007143767A1 (en)

Families Citing this family (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
AT11845U1 (en) * 2010-03-08 2011-05-15 Pc Electric Gmbh ELECTRICAL CONNECTION DEVICE
DE102013009577A1 (en) * 2013-06-07 2014-07-17 Wieland Electric Gmbh Nip for connecting terminal of electrical conductor, has clamping elements which are movably stored in clamping chamber against spring pressure of spring element, and drive carriage is slidably supported in clamping chamber
DE102017116722B3 (en) * 2017-07-24 2018-08-02 Lisa Dräxlmaier GmbH CLAMP AND METHOD FOR ELECTRICALLY CONTACTING A PROTECTOR
EP3550672B1 (en) * 2018-04-06 2021-08-04 Tecan Trading Ag Connecting element
BE1027120B1 (en) * 2019-03-13 2020-10-14 Phoenix Contact Gmbh & Co Conductor connection terminal with an actuating element with an adapted pressure surface
CN112886481B (en) * 2021-01-25 2022-10-04 中国一冶集团有限公司 Cable laying method for inner climbing type tower crane

Family Cites Families (8)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2187230A (en) * 1938-05-04 1940-01-16 Adolph Reader Wire or rod connector
US2539333A (en) 1944-12-27 1951-01-23 Silbermann Boris Clamping device
FR54752E (en) * 1946-05-16 1950-08-01 Self-tightening device for fixing an element such as a wire, cable, rope to a support
DE1280369B (en) * 1968-05-02 1968-10-17 Max Pasbrig Device for releasable fastening of an electrical cable under tension
ES2190641T3 (en) 1998-11-11 2003-08-01 Pc Electric Gmbh SUBJECTABLE
US6817909B2 (en) * 2001-02-27 2004-11-16 Fci Usa, Inc. Electrical splice connector with spring
ITBS20020115A1 (en) * 2002-12-20 2004-06-21 Bbi Electric Spa JUNCTION BOX FOR LIGHTING SYSTEMS WITH BAR DUCTS
US6857914B1 (en) * 2004-01-30 2005-02-22 General Motors Corporation Battery post connector apparatus

Also Published As

Publication number Publication date
NO20090096L (en) 2009-03-12
EP2033266A1 (en) 2009-03-11
ATE545970T1 (en) 2012-03-15
CN101467308A (en) 2009-06-24
CN101467308B (en) 2013-01-02
NO339188B1 (en) 2016-11-14
PL2033266T3 (en) 2012-07-31
DK2033266T3 (en) 2012-05-29
AT9304U1 (en) 2007-07-15
WO2007143767A1 (en) 2007-12-21

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