EP0040307A1 - Tool for electrically connecting isolated wire conductors - Google Patents

Tool for electrically connecting isolated wire conductors Download PDF

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Publication number
EP0040307A1
EP0040307A1 EP81102206A EP81102206A EP0040307A1 EP 0040307 A1 EP0040307 A1 EP 0040307A1 EP 81102206 A EP81102206 A EP 81102206A EP 81102206 A EP81102206 A EP 81102206A EP 0040307 A1 EP0040307 A1 EP 0040307A1
Authority
EP
European Patent Office
Prior art keywords
slide
plunger
handle
tool according
tool
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Granted
Application number
EP81102206A
Other languages
German (de)
French (fr)
Other versions
EP0040307B1 (en
Inventor
Horst Forberg
Hermann Herfort
Gunter Hegner
Manfred Müller
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.)
ADC GmbH
Original Assignee
Krone GmbH
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by Krone GmbH filed Critical Krone GmbH
Priority to AT81102206T priority Critical patent/ATE14956T1/en
Publication of EP0040307A1 publication Critical patent/EP0040307A1/en
Application granted granted Critical
Publication of EP0040307B1 publication Critical patent/EP0040307B1/en
Expired legal-status Critical Current

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Classifications

    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01R—ELECTRICALLY-CONDUCTIVE CONNECTIONS; STRUCTURAL ASSOCIATIONS OF A PLURALITY OF MUTUALLY-INSULATED ELECTRICAL CONNECTING ELEMENTS; COUPLING DEVICES; CURRENT COLLECTORS
    • H01R43/00—Apparatus or processes specially adapted for manufacturing, assembling, maintaining, or repairing of line connectors or current collectors or for joining electric conductors
    • H01R43/01—Apparatus or processes specially adapted for manufacturing, assembling, maintaining, or repairing of line connectors or current collectors or for joining electric conductors for connecting unstripped conductors to contact members having insulation cutting edges
    • H01R43/015—Handtools
    • Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y10—TECHNICAL SUBJECTS COVERED BY FORMER USPC
    • Y10T—TECHNICAL SUBJECTS COVERED BY FORMER US CLASSIFICATION
    • Y10T29/00—Metal working
    • Y10T29/51—Plural diverse manufacturing apparatus including means for metal shaping or assembling
    • Y10T29/5147—Plural diverse manufacturing apparatus including means for metal shaping or assembling including composite tool
    • Y10T29/5148—Plural diverse manufacturing apparatus including means for metal shaping or assembling including composite tool including severing means
    • Y10T29/515—Plural diverse manufacturing apparatus including means for metal shaping or assembling including composite tool including severing means to trim electric component
    • Y10T29/5151—Means comprising hand-manipulatable implement
    • Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y10—TECHNICAL SUBJECTS COVERED BY FORMER USPC
    • Y10T—TECHNICAL SUBJECTS COVERED BY FORMER US CLASSIFICATION
    • Y10T29/00—Metal working
    • Y10T29/51—Plural diverse manufacturing apparatus including means for metal shaping or assembling
    • Y10T29/5193—Electrical connector or terminal
    • Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y10—TECHNICAL SUBJECTS COVERED BY FORMER USPC
    • Y10T—TECHNICAL SUBJECTS COVERED BY FORMER US CLASSIFICATION
    • Y10T29/00—Metal working
    • Y10T29/53—Means to assemble or disassemble
    • Y10T29/5313—Means to assemble electrical device
    • Y10T29/532—Conductor
    • Y10T29/53209—Terminal or connector
    • Y10T29/53213—Assembled to wire-type conductor
    • Y10T29/53222—Means comprising hand-manipulatable implement
    • Y10T29/53226—Fastening by deformation
    • Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y10—TECHNICAL SUBJECTS COVERED BY FORMER USPC
    • Y10T—TECHNICAL SUBJECTS COVERED BY FORMER US CLASSIFICATION
    • Y10T29/00—Metal working
    • Y10T29/53—Means to assemble or disassemble
    • Y10T29/53909—Means comprising hand manipulatable tool
    • Y10T29/53943—Hand gripper for direct push or pull

Definitions

  • the invention relates to a tool for the electrical connection of insulated conductor wires to a longitudinally slotted contact element, consisting of a hollow handle, in which a striking mechanism and a plunger are arranged so as to be longitudinally displaceable against spring force, the head of which protrudes from the handle and is used for transverse pressing of the insulated conductor wire into the of two Spring tongues of the contact element limited contact slot is formed.
  • connection technology for soldering, screwing and stripping-free connection of insulated conductor wires to terminal contacts, which has meanwhile found widespread use in technology under the name LSA connection technology.
  • LSA connection technology upright contact elements made of thin spring plate are used, which have an open longitudinal slot between two lateral spring tongues limit, the width of which is slightly smaller than the diameter of the conductor wire.
  • the spring tongues are offset from one another by deformation such that when the conductor wire is pressed in, the relatively sharp edges of the spring tongues delimiting the contact slot first cut the insulation and then penetrate the conductor material by a predetermined amount and in this way bring about the electrically conductive contact.
  • a disadvantage of these tools is that they only fulfill one or two functions and, moreover, are relatively complex to manufacture and constructively design.
  • the object of the invention is to provide a tool of the type mentioned, which is cheaper to manufacture, and with the additional operations such. B. cutting off wire ends and pulling off connected conductor wires the contact elements can be performed.
  • a longitudinally slotted push-in plate, a stop determining the depth of the conductor wire into the contact slot and a wire cutter are arranged on the plunger head, that in the handle consisting of two screwed shells a pull-out pulling hook and a guide for the pivotable scissor arm of the Wire cutters are provided and that the striking mechanism includes a slide with which the rear end of the plunger is detachably coupled and on which a rear compression spring is supported.
  • the tool according to the invention has the further advantage that in a single operation the conductor wire is pressed into the contact slot with a precisely specified force and then immediately cut off at a predetermined distance from the terminal contact, so that, for. B. Incorrect switching by excessively protruding wire ends can be avoided.
  • the electrical connections can be easily disconnected using the same tool by swiveling the pulling hook out of the handle and pulling the respective conductor wire out of the contact slot.
  • the tool shown has a handle 3 formed from two plastic shells 3a, 3b screwed together, in which a plunger 2 is accommodated in a longitudinally displaceable manner.
  • the protruding from the front end wall of the handle 3 part of the plunger 2 carries a plunger head 2a, a longitudinally slotted E indschreibplatte 1, with which a state shown in cross-section conductor wire 1a of a contact element is pressed into the aligned with the tool longitudinal axis contact slot.
  • a cross cutter 6 is provided on the plunger head 2a, the movable scissor arm 6a of which is pivotally attached to the plunger by a screw 6b and has a longitudinal slot 6c oblique to the longitudinal axis of the tool at its rear end.
  • a stop shoulder 2c is provided on the tappet 2 for a compression spring 10, which is supported at its other end against the end wall of a hollow slide 8 of rectangular cross section.
  • the plunger protrudes through the front end wall of the slide 8.
  • a U- shaped latch 7 is provided which can be displaced transversely and is penetrated by a longitudinally profiled extension 2d of the plunger and in its one position the plunger 2 against locked over the slide 8.
  • This bolt is transversely displaced in one direction by a compression spring V fastened to the slide 8 and in the opposite direction via an oblique run-up surface 7b which is formed on a lateral tab 7a and cooperates with a pin 3c seated in the handle 3.
  • the slide 8 has a central partition 8a, which represents a stop for a widened end plate 2e of the plunger 2.
  • an end wall 8b which serves as a counter bearing for a compression spring which is supported with its other end on a stop fixed to the housing.
  • This compression spring 4 is penetrated by a pin 8c attached to the slide.
  • In the rear end of the handle 3 there is a rotary knob which is fixed in the grip shell by means of a holder 3d.
  • the externally adjustable rotary knob 11 has a radial bore 11b which is large enough to accommodate the pin 8c and, in another rotational position, a locking piece 11a.
  • a pulling hook 12 with a handle 12a is located within a handle shell. and also a flat lancing tool 13 articulated with a handle 13a, which can be folded out and in laterally from corresponding side slots in the handle 3 from its rest position shown for the tool 13 into an operating position shown for the pulling hook 12.
  • the rear rotary knob 11 acting as a arrester is in the position shown in FIG. 1, in which the extension 11a closes a housing opening and prevents the pin 8c fastened to the slide 8 from penetrating into this housing opening .
  • the pulling hook 12 shown in FIG. 1 serves to pull a switched-on conductor wire out of the contact slot of the corresponding contact element.
  • the piercing tool 13 shown With the piercing tool 13 shown, locking connections between a safety edge and its holder by z. B. Reaching behind molded noses can be solved.

Landscapes

  • Engineering & Computer Science (AREA)
  • Manufacturing & Machinery (AREA)
  • Manufacturing Of Electrical Connectors (AREA)
  • Scissors And Nippers (AREA)
  • Hand Tools For Fitting Together And Separating, Or Other Hand Tools (AREA)
  • Knives (AREA)

Abstract

Gegenstand der Anmeldung ist ein Werkzeug zum Beschalten von Leiteranschlüssen, mit dem mehrere gesonderte Arbeitsvorgänge, wie Anklemmen und Abziehen eines Drahtes an bzw. von einem Klemmanschluß und Schneiden des Drahtes, ausgeführt werden können, und das aufgrund seines einfachen konstruktiven Aufbaus kostengünstig hergestellt werden kann. Zu diesem Zweck weist das Werkzeug einen zweischaligen Kunststoff-Griff (3) auf, in dem ein Stößel (2) und ein Schlagmechanismus angeordnet sind. Am vorstehenden Stößelkopf (2a) ist ein Drahtschneider (6) vorgesehen, der über eine Kulissenführung (5, 6c) im Bewegungsablauf eines Klemmvorganges betätigt werden kann. Eine Verriegelung dient der lösbaren Verbindung des Stößels (2) mit einem Schieber (8), der längsverschiebbar im Handgriff (3) untergebracht ist.The application is a tool for wiring conductor connections, with which several separate operations, such as connecting and disconnecting a wire to or from a terminal connection and cutting the wire, can be carried out, and which can be manufactured inexpensively due to its simple construction. For this purpose, the tool has a two-shell plastic handle (3) in which a plunger (2) and a striking mechanism are arranged. A wire cutter (6) is provided on the protruding plunger head (2a) and can be actuated in the course of movement of a clamping process via a link guide (5, 6c). A lock is used for the detachable connection of the plunger (2) with a slide (8) which is accommodated in the handle (3) in a longitudinally displaceable manner.

Description

Die Erfindung betrifft ein Werkzeug zum elektrischen Anschließen von isolierten Leiterdrähten an ein längsgeschlitztes Kontaktelement, bestehend aus einem hohlen Handgriff, in dem ein Schlagmechanismus und ein Stößel gegen Federkraft längsverschiebbar angeordnet sind, dessen aus dem Handgriff herausragender Kopf zum Quereindrücken des isolierten Leiterdrahtes in den von zwei Federzungen des Kontaktelementes begrenzten Kontaktschlitz ausgebildet ist.The invention relates to a tool for the electrical connection of insulated conductor wires to a longitudinally slotted contact element, consisting of a hollow handle, in which a striking mechanism and a plunger are arranged so as to be longitudinally displaceable against spring force, the head of which protrudes from the handle and is used for transverse pressing of the insulated conductor wire into the of two Spring tongues of the contact element limited contact slot is formed.

Von der Anmelderin wurde eine Anschlußtechnik zum löt-, schraub- und abisolierfreien Anschließen von isolierten Leiterdrähten an Klemmkontakte entwickelt, die mittlerweile unter der Bezeichnung LSA-Anschlußtechnik eine weite Verbreitung in der Technik gefunden hat. Bei dieser LSA-Anschlußtechnik werden aufrechtstehend in einer Anschlußleiste befestigte Kontaktelemente aus dünnem Federblech verwendet, die zwischen zwei seitlichen Federzungen einen offenen Längsschlitz begrenzen, dessen Breite geringfügig kleiner als der Durchmesser des Leiterdrahtes ist. Die Federzungen sind durch Verformen gegeneinander so versetzt, daß beim Eindrücken des Leiterdrahtes die den Kontaktschlitz begrenzenden relativ scharfen Kanten der Federzungen zuerst die Isolation zerschneiden und anschließend um einen vorgegebenen Betrag in das Leitermaterial eindringen und auf diese Weise den elektrisch leitenden Kontakt herbeiführen.The applicant has developed a connection technology for soldering, screwing and stripping-free connection of insulated conductor wires to terminal contacts, which has meanwhile found widespread use in technology under the name LSA connection technology. In this LSA connection technology, upright contact elements made of thin spring plate are used, which have an open longitudinal slot between two lateral spring tongues limit, the width of which is slightly smaller than the diameter of the conductor wire. The spring tongues are offset from one another by deformation such that when the conductor wire is pressed in, the relatively sharp edges of the spring tongues delimiting the contact slot first cut the insulation and then penetrate the conductor material by a predetermined amount and in this way bring about the electrically conductive contact.

Zum seitlichen Eindrücken des isolierten Leiterdrahtes in den Schlitz und zum Herausziehen eines eingedrückten Drahtes aus dem Schlitz sind gesonderte Werkzeuge der vorstehend angegebenen Gattung entwickelt worden, die ein sicheres Beschalten von z. B. Anschlußleisten mit relativ hoher Kontaktdichte auch von ungeübtem Personal gewährleisten.For the lateral pressing of the insulated conductor wire into the slot and for pulling out a pressed-in wire from the slot, separate tools of the above-mentioned type have been developed, which ensure a reliable connection of e.g. As terminal blocks with relatively high K ontaktdichte even by untrained personnel guarantee.

Nachteilig bei diesen Werkzeugen ist es, daß sie nur eine bzw. zwei Funktionen erfüllen und darüber hinaus in der Herstellung sowie in der konstruktiven Gestaltung relativ aufwendig sind.A disadvantage of these tools is that they only fulfill one or two functions and, moreover, are relatively complex to manufacture and constructively design.

So müssen beispielsweise zum Abziehen von angeschalteten Drahtleitern aus dem Kontaktelement besondere Ziehzangen und zum Ausbau der Kontaktelemente aus ihrer Halterung zusätzlich Schraubendreher verwendet werden.For example, special pulling pliers must be used to pull off the wired wire conductors from the contact element and additional screwdrivers to remove the contact elements from their holder.

Aufgabe der Erfindung ist es, ein Werkzeug der eingangs genannten Gattung zu schaffen, welches kostengünstiger herzustellen ist,und mit dem zusätzliche Arbeitsgänge, wie z. B. das Abschneiden von Drahtenden und das Abziehen von angeschalteten Leiterdrähten aus den Kontaktelementen, durchgeführt werden können.The object of the invention is to provide a tool of the type mentioned, which is cheaper to manufacture, and with the additional operations such. B. cutting off wire ends and pulling off connected conductor wires the contact elements can be performed.

Diese Aufgabe wird dadurch gelöst, daß am Stößelkopf eine längsgeschlitzte Eindrückplatte, ein die Eindrücktiefe des Leiterdrahtes in den Kontaktschlitz bestimmender Anschlag und ein Drahtschneider angeordnet sind, daß in dem aus zwei miteinander verschraubten Schalen bestehenden Handgriff ein ausklappbarer Ziehhaken und eine Kulissenführung für den schwenkbaren Scherenschenkel des Drahtschneiders vorgesehen sind, und daß der Schlagmechanismus einen Schieber enthält, mit dem das hintere Ende des Stößels lösbar gekuppelt ist, und an dem sich eine hintere Druckfeder abstützt.This object is achieved in that a longitudinally slotted push-in plate, a stop determining the depth of the conductor wire into the contact slot and a wire cutter are arranged on the plunger head, that in the handle consisting of two screwed shells a pull-out pulling hook and a guide for the pivotable scissor arm of the Wire cutters are provided and that the striking mechanism includes a slide with which the rear end of the plunger is detachably coupled and on which a rear compression spring is supported.

Neben einem relativ einfachen konstruktiven Aufbau weist das erfindungsgemäße Werkzeug den weiteren Vorteil auf, daß in einem einzigen Arbeitsvorgang der Leiterdraht in den Kontaktschlitz mit genau vorgegebener Kraft hineingedrückt und daran unmittelbar anschließend in vorgegebenem Abstand zum Klemmkontakt abgeschnitten wird, so daß z. B. Fehlschaltungen durch zu weit vorstehende Drahtenden sicher vermieden werden.In addition to a relatively simple structural design, the tool according to the invention has the further advantage that in a single operation the conductor wire is pressed into the contact slot with a precisely specified force and then immediately cut off at a predetermined distance from the terminal contact, so that, for. B. Incorrect switching by excessively protruding wire ends can be avoided.

Darüber hinaus können die elektrischen Anschlüsse auf einfache Weise mit dem gleichen Werkzeug wieder gelöst werden, indem der Ziehhaken seitlich aus dem Handgriff herausgeschwenkt und mit diesem der jeweilige Leiterdraht aus dem Kontaktschlitz herausgezogen wird.In addition, the electrical connections can be easily disconnected using the same tool by swiveling the pulling hook out of the handle and pulling the respective conductor wire out of the contact slot.

Zweckmäßige Ausgestaltungen und Weiterbildungen der Erfindung sind Gegenstand von Unteransprüchen.Expedient refinements and developments of the invention are the subject of dependent claims.

Im folgenden wird die Erfindung anhand der Zeichnung im einzelnen beschrieben. Es zeigen:.

  • Fig. 1 eine teilgeschnittene Unteransicht des Werkzeuges ohne die untere Griffschale;
  • Fig. 1a das Werkzeug nach Fig. 1 in Seitenansicht.
In the following the invention with reference to the drawing described in detail. Show it:.
  • Figure 1 is a partially sectioned bottom view of the tool without the lower handle shell.
  • Fig. 1a, the tool of FIG. 1 in side view.

Das dargestellte Werkzeug weist einen aus zwei gegeneinander verschraubten Kunststoff-Schalen 3a, 3b gebildeten Handgriff 3 auf, in dem ein Stößel 2 längsverschiebbar aufgenommen ist. Der aus der vorderen Stirnwand des Handgriffes 3 herausragende Teil des Stößels 2 trägt einen Stößelkopf 2a, eine längsgeschlitzte Eindrückplatte 1, mit welcher ein im Querschnitt dargestellter Leiterdraht 1a in den mit der Werkzeuglängsachse fluchtenden Kontaktschlitz eines Kontaktelementes eingedrückt wird.The tool shown has a handle 3 formed from two plastic shells 3a, 3b screwed together, in which a plunger 2 is accommodated in a longitudinally displaceable manner. The protruding from the front end wall of the handle 3 part of the plunger 2 carries a plunger head 2a, a longitudinally slotted E indrückplatte 1, with which a state shown in cross-section conductor wire 1a of a contact element is pressed into the aligned with the tool longitudinal axis contact slot.

Ferner ist am Stößelkopf 2a ein Querschneider 6 vorgesehen, dessen beweglicher Scherenschenkel 6a um eine Schraube 6b schwenkbar am Stößel befestigt ist und an seinem hinteren Ende einen zur Werkzeuglängsachse schrägen Längsschlitz 6c aufweist. In seinem mittleren Teil ist am Stößel 2 eine Anschlagschulter 2c für eine Druckfeder 10 vorgesehen, welche sich mit ihrem anderen Ende gegen die Stirnwand eines hohlen Schiebers 8 von rechteckigem Querschnitt abstützt. Der Stößel durchragt die vordere Stirnwand des Schiebers 8. Im Innenraum dieses Schiebers 8 ist querverschiebbar ein U-förmiger Riegel 7 vorgesehen, der von einem längs profilierten Ansatz 2d des Stößels durchragt wird und in seiner einen Stellung den Stößel 2 gegenüber dem Schieber 8 verriegelt. Die Querverschiebung dieses Riegels erfolgt in eine Richtung durch eine am Schieber 8 befestigte DruckfederVund in der entgegengesetzten Richtung über eine schräge Auflauffläche 7b, die an einer seitlichen Lasche 7a ausgebildet ist und mit einem im Handgriff 3 sitzenden Zapfen 3c zusammenwirkt. Der Schieber 8 weist eine mittlere Zwischenwand 8a auf, die einen Anschlag für eine verbreiterte Endplatte 2e des Stößels 2 darstellt. Am hinteren Ende des Schiebers 8 befindet sich eine Stirnwand 8b, welche als Gegenlager für eine Druckfeder dient, die sich mit ihrem anderen Ende an einem gehäusefesten Anschlag abstützt. Diese Druckfeder 4 wird von einem am Schieber befestigten Stift 8c durchragt. Im hinteren Ende des Handgriffes 3 befindet sich ein Drehknopf, der mittels einer Halterung 3d in der Griffschale festgelegt ist. In seinem Teil innerhalb des Griffes weist der von außen verstellbare Drehknopf 11 eine zur Aufnahme des Stiftes 8c ausreichend große Radialbohrung 11b sowie in einer anderen Drehstellung ein Verschlußstück 11a auf. Ferner sind innerhalb einer Griffschale ein Ziehhaken 12 mit einer Handhabe 12a . sowie ferner ein flaches Stechwerkzeug 13 mit einer Handhabe 13a angelenkt, die aus ihrer für das Werkzeug 13 dargestellten Ruhestellung in eine für den Ziehhaken 12 dargestellte,Betriebslage seitlich aus entsprechenden Seitenschlitzen im Handgriff 3 heraus- und hereingeklappt werden können.Furthermore, a cross cutter 6 is provided on the plunger head 2a, the movable scissor arm 6a of which is pivotally attached to the plunger by a screw 6b and has a longitudinal slot 6c oblique to the longitudinal axis of the tool at its rear end. In its central part, a stop shoulder 2c is provided on the tappet 2 for a compression spring 10, which is supported at its other end against the end wall of a hollow slide 8 of rectangular cross section. The plunger protrudes through the front end wall of the slide 8. In the interior of this slide 8, a U- shaped latch 7 is provided which can be displaced transversely and is penetrated by a longitudinally profiled extension 2d of the plunger and in its one position the plunger 2 against locked over the slide 8. This bolt is transversely displaced in one direction by a compression spring V fastened to the slide 8 and in the opposite direction via an oblique run-up surface 7b which is formed on a lateral tab 7a and cooperates with a pin 3c seated in the handle 3. The slide 8 has a central partition 8a, which represents a stop for a widened end plate 2e of the plunger 2. At the rear end of the slide 8 there is an end wall 8b which serves as a counter bearing for a compression spring which is supported with its other end on a stop fixed to the housing. This compression spring 4 is penetrated by a pin 8c attached to the slide. In the rear end of the handle 3 there is a rotary knob which is fixed in the grip shell by means of a holder 3d. In its part within the handle, the externally adjustable rotary knob 11 has a radial bore 11b which is large enough to accommodate the pin 8c and, in another rotational position, a locking piece 11a. Furthermore, a pulling hook 12 with a handle 12a is located within a handle shell. and also a flat lancing tool 13 articulated with a handle 13a, which can be folded out and in laterally from corresponding side slots in the handle 3 from its rest position shown for the tool 13 into an operating position shown for the pulling hook 12.

Mit dem vorstehend beschriebenen Werkzeug wird wie folgt gearbeitet:

  • Zum Eindrücken eines Leiterdrahtes 1a in den Kontaktschlitz wird von Hand auf den Griff 3 des Werkzeuges eine entsprechende Kraft in Richtung des Pfeiles 14 gegen die Kraft der beiden Druckfedern 4, 10 ausgeübt, die ausreicht, um den Leiterdraht 1a in den Kontaktschlitz zwischen den beiden Federzungen des parallel zur Werkzeugachse ausgerichteten Kontaktelementes einzudrücken und dabei die Isolation aufzuschneiden sowie eine gegen mechanische Beanspruchungen sichere elektrisch leitende Verbindung zwischen dem Kontaktelement und dem Draht herzustellen. Die Eindringtiefe des Drahtes in den Schlitz wird dabei von einem am Kopf 2a ausgebildeten Begrenzungsanschlag 2b bestimmt. Die auf den Handgriff 3 ausgeübte Vorschubkraft bewirkt eine Relativbewegung zwischen dem Stößel 2 und dem Handgriff 3 sowie zwischen dem Scherenschenkel 6a des Drahtschneiders 6 und einem im Handgriff befestigten Stift 5, welcher in den schrägen Längsschlitz 6c hineingleitet und dabei den beweglichen Scherenschenkel 6a derart verschwenkt, daß die an seinem vorderen Ende ausgebildete Schneide den Leiterdraht 1a in einem vorgegebenen Abstand zu der Klemmverbindung abschneidet.
The tool described above works as follows:
  • To press a conductor wire 1a into the contact slot, hand grip 3 of the tool a corresponding force in the direction of arrow 14 is exerted against the force of the two compression springs 4, 10, which is sufficient to press the conductor wire 1a into the contact slot between the two spring tongues of the contact element aligned parallel to the tool axis and thereby cut open the insulation and one against mechanical stresses To establish a safe electrically conductive connection between the contact element and the wire. The depth of penetration of the wire into the slot is determined by a limit stop 2b formed on the head 2a. The feed force exerted on the handle 3 causes a relative movement between the plunger 2 and the handle 3 and between the scissor arm 6a of the wire cutter 6 and a pin 5 fastened in the handle, which slides into the oblique longitudinal slot 6c and thereby pivots the movable scissor arm 6a in this way, that the cutting edge formed at its front end cuts the conductor wire 1a at a predetermined distance from the clamp connection.

Im ersten Teil dieser Relativbewegung'zwischen dem Stößel 2 und dem Handgriff 3 ist der Stößel über den Riegel 7 gegenüber dem Schieber 8 festgelegt. Erst nach Zurücklegen einer vorgegebenen Wegstrecke gelangt die Schrägfläche 7b an der seitlichen Lasche 7a des Riegels 7 mit dem gehäusefesten Zapfen 3c in Eingriff, wodurch sich der Riegel 7 gegen die Kraft der Feder 9 quer verschiebt und der Schieber 8 unter der Wirkung der einen Druckfeder mit seiner Zwischenwand 8a gegen die Endplatte 2e des Stößelansatzes 2d schlägt. Dieser Schlag zeigt dem Bediener an, daß der Klemmvorgang beendet ist.In the first part of this relative movement 'between the plunger 2 and the handle 3, the plunger is fixed relative to the slide 8 via the bolt 7. Only after covering a predetermined distance does the inclined surface 7b on the side tab 7a of the bolt 7 engage with the housing-fixed pin 3c, as a result of which the bolt 7 moves transversely against the force of the spring 9 and the slider 8 under the action of a compression spring its partition 8a strikes against the end plate 2e of the ram extension 2d. This stroke indicates to the operator that the Clamping process is finished.

Soll der Leiterdraht nicht abgeschnitten werden, dann befindet sich der hintere als Feststeller wirkende Drehknopf 11 in der in Fig. 1 dargestellten Lage, in welcher der Ansatz 11a eine Gehäuseöffnung schließt und verhindert, daß der am Schieber 8 befestigte Stift 8c in diese Gehäuseöffnung eindringen kann. Damit ist eine starre Kopplung zwischen dem Stößel mit dem Querschneider und dem Handgriff über den Schieber erfolgt, so daß beim Eindrücken des Drahtes in den Kontaktschlitz der freie Scherenschenkel 6a durch den Zapfen 5 nicht betätigt wird.If the conductor wire is not to be cut off, then the rear rotary knob 11 acting as a arrester is in the position shown in FIG. 1, in which the extension 11a closes a housing opening and prevents the pin 8c fastened to the slide 8 from penetrating into this housing opening . This results in a rigid coupling between the plunger with the cross cutter and the handle via the slide, so that when the wire is pressed into the contact slot, the free scissor arm 6a is not actuated by the pin 5.

Der in Fig. 1 dargestellte Ziehhaken 12 dient dazu, einen angeschalteten Leiterdraht aus dem Kontaktschlitz des entsprechenden Kontaktelementes herauszuziehen. Mit dem dargestellten Stechwerkzeug 13 können Rastverbindungen zwischen einer Schaltleiste und deren Halterung durch z. B. Hintergreifen von angeformten Nasen gelöst werden.The pulling hook 12 shown in FIG. 1 serves to pull a switched-on conductor wire out of the contact slot of the corresponding contact element. With the piercing tool 13 shown, locking connections between a safety edge and its holder by z. B. Reaching behind molded noses can be solved.

Claims (9)

1. Werkzeug zum elektrischen-Anschließen von isolierten Leiterdrähten an ein längsgeschlitztes Kontaktelement, bestehend aus einem hohlen Handgriff, in dem ein Schlagmechanismus und ein Stößel gegen Federkraft längsverschiebbar angeordnet sind, dessen aus dem Handgriff herausragender Kopf zum Quereindrücken des isolierten Leiterendes in den von zwei Federzungen des Kontaktelementes begrenzten Kontaktschlitz ausgebildet ist,
dadurch gekennzeichnet,
daß am Stößelkopf (2a) eine längsgeschlitzte Eindrückplatte (1), ein die Eindrücktiefe des Leiterdrahtes in den Kontaktschlitz bestimmender Anschlag (2b) und ein Drahtschneider (6) angeordnet sind, daß in dem aus zwei miteinander verschraubten Schalen (3a, 3b) bestehenden Handgriff (3) ein ausklappbarer Ziehhaken (12) und eine Kulissenführung (5, 6c) für den schwenkbaren Scherenschenkel (6a) des Drahtschneiders (6) vorgesehen sind, und daß der Schlagmechanismus einen Schieber (8). enthält, mit dem das hintere Ende des Stößels (2) lösbar gekuppelt ist, und an dem sich eine hintere Druckfeder (4) abstützt. ,1. Tool for the electrical connection of insulated conductor wires to a longitudinally slotted contact element, consisting of a hollow handle, in which a striking mechanism and a plunger are arranged so as to be longitudinally displaceable against spring force, the head protruding from the handle for transverse pressing of the insulated conductor end into the two spring tongues the contact element limited contact slot is formed,
characterized,
that a longitudinally slotted push-in plate (1), a stop (2b) determining the depth of the conductor wire into the contact slot and a wire cutter (6) are arranged on the plunger head (2), that in the handle consisting of two screwed-together shells (3a, 3b) (3) a pull-out pulling hook (12) and a link guide (5, 6c) for the pivotable scissor arm (6a) of the wire cutter (6) are provided, and that the striking mechanism is a slide (8). contains, with which the rear end of the plunger (2) is detachably coupled, and on which a rear compression spring (4) is supported. , 2. Werkzeug nach Anspruch 1,
dadurch gekennzeichnet,
daß die Kopplung zwischen dem Stößel (2) und dem hohlen Schieber (8) durch einen im Schieber gegen die Kraft 125-(x 2132)-Sd-E einer Feder (9) querbeweglich angeordneten Riegel (7) erfolgt.2. Tool according to claim 1,
characterized,
that the coupling between the plunger (2) and the hollow slide (8) by a in the slide against the force 125- (x 2132) -Sd-E a spring (9) transversely arranged latch (7). 3. Werkzeug nach Anspruch 1 oder 2,
dadurch gekennzeichnet,
.daß im Handgriff (3) der Ziehhaken (12) sowie ein Stechwerkzeug (13) seitlich ausklappbar angelenkt sind.3. Tool according to claim 1 or 2,
characterized,
.that the pulling hook (12) and a piercing tool (13) are articulated laterally in the handle (3). 4. Werkzeug nach einem der Ansprüche 1 bis 3,
dadurch gekennzeichnet,
daß im Handgriff (3) eine Verriegelung zum Fixieren des Schiebers (8) und des Scherenschenkels (6a) des Querschneiders (6) vorgesehen ist.4. Tool according to one of claims 1 to 3,
characterized,
that a lock for fixing the slide (8) and the scissor arm (6a) of the cross cutter (6) is provided in the handle (3). 5. Werkzeug nach Anspruch 4,
dadurch gekennzeichnet,
daß die Verriegelung einen Drehknopf (11) mit mindestens einer Querbohrung (11b) enthält, in welche im entriegelten Zustand ein am Schieber (8) befestigterAxialzapfen (8c) während des Klemmvorganges hineingreift.5. Tool according to claim 4,
characterized,
that the lock contains a rotary knob (11) with at least one transverse bore (11b), into which an axial pin (8c) attached to the slide (8) engages during the clamping process in the unlocked state. 6. Werkzeug nach Anspruch 1,
dadurch gekennzeichnet,
daß die Kulissenführung (5, 6c) des Querschneiders (6) im hinteren Arm des schwenkbaren Scherenschenkels (6a) einen Längsschlitz (6c) enthält, in den ein im Handgriff (3) befestigter Stift (5) eingreift.6. Tool according to claim 1,
characterized,
that the link guide (5, 6c) of the cross cutter (6) in the rear arm of the pivotable scissor arm (6a) contains a longitudinal slot (6c) into which a pin (5) attached in the handle (3) engages. 7. Werkzeug nach Anspruch 1,
dadurch gekennzeichnet,
daß der Querriegel (7) U-förmig ausgebildet ist und einen seitlich aus dem Schieber (8) herausragenden Ansatz (7a) mit schräger.Auflauffläche (7b) aufweist, die zur Querverschiebung des Querriegels (7) im Schieberhohlraum an einem im Handgriff (3) befestigten Zapfen (3c) gleitet.7. Tool according to claim 1,
characterized,
that the cross bar (7) is U-shaped and has a shoulder (7a) with a sloping ramp surface (7b) protruding laterally from the slide (8), which slides for transverse displacement of the cross bar (7) in the slide cavity on a pin (3c) fastened in the handle (3). 8. Werkzeug nach Anspruch 7,
dadurch gekennzeichnet,
daß am hinteren Ende des den Riegel (7) durchgreifenden Stößels (2) ein verbreiterter Gegenhalter vorgesehen ist, der zusammen mit einer Zwischenwand (8a) im Schieber (8) die Relativbewegung zwischen dem Stößel und dem Schieber begrenzt.8. Tool according to claim 7,
characterized,
that at the rear end of the plunger (2) penetrating the plunger (2) there is a widened counter-holder which, together with an intermediate wall (8a) in the slide (8), limits the relative movement between the plunger and the slide. 9. Werkzeug nach einem der vorhergehenden Ansprüche,
dadurch gekennzeichnet,
daß die Schalen (3a, 3b) des Handgriffes (3), der Stößel (2), der Schieber (8) und der Querriegel (7) im Schieber aus einem Kunststoff bestehen.9. Tool according to one of the preceding claims,
characterized,
that the shells (3a, 3b) of the handle (3), the plunger (2), the slide (8) and the crossbar (7) in the slide consist of a plastic.
EP81102206A 1980-05-20 1981-03-24 Tool for electrically connecting isolated wire conductors Expired EP0040307B1 (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
AT81102206T ATE14956T1 (en) 1980-05-20 1981-03-24 TOOL FOR ELECTRICAL CONNECTION OF INSULATED CONDUCTOR WIRE.

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
DE8013494U DE8013494U1 (en) 1980-05-20 1980-05-20 Positioning tool
DE8013494U 1980-05-20

Publications (2)

Publication Number Publication Date
EP0040307A1 true EP0040307A1 (en) 1981-11-25
EP0040307B1 EP0040307B1 (en) 1985-08-14

Family

ID=6715603

Family Applications (1)

Application Number Title Priority Date Filing Date
EP81102206A Expired EP0040307B1 (en) 1980-05-20 1981-03-24 Tool for electrically connecting isolated wire conductors

Country Status (11)

Country Link
US (1) US4434542A (en)
EP (1) EP0040307B1 (en)
JP (1) JPS60189B2 (en)
AR (1) AR224819A1 (en)
AT (1) ATE14956T1 (en)
AU (1) AU547489B2 (en)
CA (1) CA1176041A (en)
DE (1) DE8013494U1 (en)
GB (1) GB2075903B (en)
HK (1) HK52986A (en)
MY (1) MY8500463A (en)

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US7644485B2 (en) 2004-11-17 2010-01-12 Adc Gmbh Tool for connecting cable conductors
EP2615702A1 (en) * 2012-01-13 2013-07-17 CCS Technology, Inc. Termination tool

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US4567639A (en) * 1984-08-31 1986-02-04 Porta Systems Corp. Wire installation and cutting tool
DE3522131A1 (en) * 1985-06-18 1986-12-18 Krone Gmbh, 1000 Berlin METHOD AND DEVICE FOR CONNECTING AND CONNECTING CABLE CHARGERS
US4682412A (en) * 1986-02-19 1987-07-28 Adc Telecommunications, Inc. Insertion tool
US4696090A (en) * 1986-05-08 1987-09-29 Harris Corporation Removable blade assembly
US4920637A (en) * 1989-09-28 1990-05-01 Porta Systems Corp. Wire insertion and removal tool with module removal means
US5195230A (en) * 1990-09-28 1993-03-23 Harris Corporation Impact tool and blade
DE4133369C1 (en) * 1991-10-05 1993-01-21 Krone Ag, 1000 Berlin, De Cable conductors to insulation displacement contacts connecting appts. - has press stages mounted in housing and knife cutter for cable cores
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US5613297A (en) * 1995-03-06 1997-03-25 Lucent Technologies Inc. Wire insertion and cut-off tool and method of use
USD382454S (en) * 1996-02-12 1997-08-19 Harris Corporation Wire installation tool
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DE19711132C1 (en) * 1997-03-07 1998-05-20 Krone Ag Application tool for applying i.p.c.d. conductors in communications-and data-technology modules
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Also Published As

Publication number Publication date
GB2075903B (en) 1983-11-23
CA1176041A (en) 1984-10-16
US4434542A (en) 1984-03-06
DE8013494U1 (en) 1980-08-21
ATE14956T1 (en) 1985-08-15
AU547489B2 (en) 1985-10-24
EP0040307B1 (en) 1985-08-14
GB2075903A (en) 1981-11-25
AU7082881A (en) 1981-11-26
MY8500463A (en) 1985-12-31
JPS60189B2 (en) 1985-01-07
HK52986A (en) 1986-07-18
JPS56163884A (en) 1981-12-16
AR224819A1 (en) 1982-01-15

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