EP0531664B1 - Cutting clamp sleeve contact - Google Patents
Cutting clamp sleeve contact Download PDFInfo
- Publication number
- EP0531664B1 EP0531664B1 EP92111972A EP92111972A EP0531664B1 EP 0531664 B1 EP0531664 B1 EP 0531664B1 EP 92111972 A EP92111972 A EP 92111972A EP 92111972 A EP92111972 A EP 92111972A EP 0531664 B1 EP0531664 B1 EP 0531664B1
- Authority
- EP
- European Patent Office
- Prior art keywords
- sleeve
- contact
- slot
- cutting clamp
- shell
- 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.)
- Expired - Lifetime
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Classifications
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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
- H01R11/00—Individual connecting elements providing two or more spaced connecting locations for conductive members which are, or may be, thereby interconnected, e.g. end pieces for wires or cables supported by the wire or cable and having means for facilitating electrical connection to some other wire, terminal, or conductive member, blocks of binding posts
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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
- H01R4/24—Connections using contact members penetrating or cutting insulation or cable strands
- H01R4/2416—Connections using contact members penetrating or cutting insulation or cable strands the contact members having insulation-cutting edges, e.g. of tuning fork type
- H01R4/2445—Connections using contact members penetrating or cutting insulation or cable strands the contact members having insulation-cutting edges, e.g. of tuning fork type the contact members having additional means acting on the insulation or the wire, e.g. additional insulation penetrating means, strain relief means or wire cutting knives
- H01R4/2458—Connections using contact members penetrating or cutting insulation or cable strands the contact members having insulation-cutting edges, e.g. of tuning fork type the contact members having additional means acting on the insulation or the wire, e.g. additional insulation penetrating means, strain relief means or wire cutting knives the contact members being in a slotted tubular configuration, e.g. slotted tube-end
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- 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
- Y10T29/49—Method of mechanical manufacture
- Y10T29/49002—Electrical device making
- Y10T29/49117—Conductor or circuit manufacturing
- Y10T29/49204—Contact or terminal manufacturing
- Y10T29/49208—Contact or terminal manufacturing by assembling plural parts
- Y10T29/49218—Contact or terminal manufacturing by assembling plural parts with deforming
Definitions
- the invention relates to an insulation displacement contact for contacting a cable wire transverse to the sleeve axis, in particular for cable wires in telecommunications, from a metallic sleeve jacket with a clamping slot for the insulated cable wire and with an insulation displacement contact slot in the interior of the sleeve body for stripping-free connection of the cable wire and to a method for producing the insulation displacement contact.
- GB-A-2112216 discloses a sleeve contact of the generic type, which has two insulation displacement contacts for connecting two cable wires, in each of which one cable wire is contacted. In addition, two clamping slots are provided, in each of which a cable wire is clamped to the insulation.
- the sleeve body has the shape of an eight. It is disadvantageous that an insulation displacement contact is present in the interior of the sleeve contact. The design is difficult to manufacture from a manufacturing point of view since two jacket pieces have to come into close contact. The contact is not suitable for connecting only one cable wire.
- the invention is therefore based on the object of improving an insulation displacement contact of the generic type in such a way that influencing the insulation displacement contact slot is prevented by widening the clamping slot and that the production of the contact slot with narrow tolerances is possible.
- both the insulation displacement contact slot and the clamping slot are each formed by incisions in the sleeve jacket, as a result of which exact tolerances in the formation of the clamping slot and insulation displacement contact slot can be maintained.
- the insulation displacement contact slot is located on a section of the sleeve shell which is unaffected by a possible widening of the clamping slot.
- the insulation displacement contact is formed from a metal strip into which the clamping slot and the contact slot are cut before bending to make the sleeve contact, in particular by stamping. A cutting point with a sharp edge can be punched out at the same time.
- the section of the sleeve casing which receives the insulation displacement contact slot can be formed in an e-shaped embodiment as the end piece of the sleeve casing and can be bent radially into the interior of the sleeve.
- the section receiving the insulation displacement contact slot forms a middle piece of the sleeve jacket, the end pieces of the sleeve connecting the clamping slot and also the cutting point, which are connected to the middle section, are bent semicircularly and in opposite directions from the straight middle piece.
- the insulation displacement contact can be mounted alone on a circuit board or used in a wiring strip together with a contact of the same type or with completely different ones as connection or disconnection configurations will.
- the cable wires are simultaneously clamped in the clamping slot by means of a pressure movement, contacted in the insulation displacement contact slot and cut off at the sharp cutting point.
- the wiring can be done with a tool or by closing a housing cover of a housing in which the insulation displacement contact is inserted. This can also be called a round pipe contact.
- the sleeve contact is self-supporting and does not require a housing to support or clamp the cable cores and can, for example, be mounted directly on a circuit board.
- the clamping slot of the sleeve contact enables the cable core to be securely clamped without movements of the cable core having an effect on the insulation displacement contact slot or being transmitted to it.
- the cable wires to be connected do not have to be cut to a certain length beforehand, but are cut off directly at the sleeve contact using a simple wiring tool without moving parts when wiring at the sharp cutting point.
- the sleeve contact enables reliable contacting of copper wires between 0.32 mm and 0.80 mm in diameter, which depends on the diameter of the sleeve contact. It is also possible to contact stranded wires.
- the position of the contact slot in relation to the cable core can be a forked or angular position with contact angles between 45 and 90 °.
- the insulation displacement contact in the first embodiment according to FIGS. 1 and 2 consists of a flat metal strip 1 made of an electrically conductive material, in which, according to FIG. 2, a contact slot 2 on the left and a clamping slot 3 on the right and a cutting point 4 in the middle by punching are introduced in one operation.
- the contact slot 2 has a certain width W, which depends on the core diameter of the cable wires 5 to be connected, and is provided with a V-shaped input area 6.
- the clamping point consists of a clamping slot 3 of width Z, which is regularly larger than the width W of the contact slot 2, and is also provided with a V-shaped input area 7.
- a U-shaped free cut 9 is stamped into the metal strip 1, the base 10 of which intersects at right angles at the inner end of the clamping slot 3 and its leg 11 parallel to the clamping slot 3 in the direction of whose input area 7 extend, as shown in Fig. 2.
- the metal strip 1 is bent or rolled into a sleeve body 12 which is round in cross section, a portion 13, which in FIG. 2 is shown by the dashed line 14 from the remaining sleeve jacket 15 is divided, is bent radially into the interior of the sleeve body 12, as shown in Fig. 1 is.
- the contact slot 2 lies in the center of the sleeve body 12 and is oriented at an angle ⁇ to the transverse axis 16 of the sleeve body 12.
- the clamping slot 3 and the cutting point 4 are arranged opposite to it, as shown in Fig. 1.
- This embodiment of the insulation displacement contact forms an e-shape with an insulation displacement contact slot 2 oriented at an angle ⁇ obliquely to the axis 17 of the cable wire 5 to be connected, the cable wire 5 lying in the direction of the axis 17 (FIG. 1).
- the section 13 receiving the contact slot 2 is not connected to the sleeve jacket 12 at the free end 18, as is shown in FIG. 1.
- FIGS. 3 to 12 show embodiments modified from the e-shape shown in FIG. 1.
- Figures 3 and 4 show a pure fork contact, the portion 13 of the sleeve shell 12 is arranged exactly in the transverse axis 16, so that the contact slot 2 is parallel to the perpendicular axis 17, as shown in Fig. 3.
- the insulation displacement contact according to FIG. 4 corresponds to that shown in FIG. 3 and is only bent or rolled up in the opposite direction.
- the insulation displacement contact shown in FIG. 5 corresponds to that of FIG. 1, the angle ⁇ being specified as 70 °.
- the insulation displacement contact according to FIG. 6 corresponds to that of FIG. 5 and is only bent or rolled in the opposite direction.
- the insulation displacement contacts shown in FIGS. 7 and 8 have an angle ⁇ of 45 °, at which the part 13 bent into the interior of the sleeve body 12 is bent relative to the axis 17 of the cable core 5.
- the radial length of the section 13 corresponds to the inside diameter of the sleeve body 12.
- the length of the section 13 'bent into the interior of the sleeve body 12 is longer than the inside diameter of the sleeve body 12, with receptacles in the form of an opening 19 (FIG. 9) or in the form of a bulge 20 (FIG. 10) being provided for the lateral support of the radial section 13 '.
- the radial section 13 ' is supported laterally.
- the length of the radially inwardly bent section 13 again corresponds to the inside diameter of the sleeve body 12, with receptacles 18 again being provided for the section 13, which are designed in the form of inwardly curved tabs 21 which are cut out from the sleeve jacket 15 of the sleeve piece 12 in a U-shape.
- the insulation displacement contact has an S shape in plan view, the section 13 "of the sleeve casing 12", which receives the contact slot 2, forms the middle section of the metal strip 1 "of the sleeve casing 12".
- the jacket pieces 22, 23 of the sleeve body 12 'arranged on both sides of the middle piece 13 "and integrally formed therewith are each semicircular and bent opposite to one another, so that these jacket pieces 22, 23 form the actual sleeve body 12, which is radial from the middle piece 13"
- the middle piece 13 ′′ lies at a large angle ⁇ to the axis 3, in which the cable core 5 runs, and the cutting point 4 is also diametrically opposite the clamping slot 3.
Landscapes
- Manufacturing Of Electrical Connectors (AREA)
- Connections By Means Of Piercing Elements, Nuts, Or Screws (AREA)
- Cable Accessories (AREA)
- Processing Of Terminals (AREA)
- Insulating Bodies (AREA)
- Clamps And Clips (AREA)
- Multi-Conductor Connections (AREA)
Description
Die Erfindung bezieht sich auf einen Schneidklemm-Hülsenkontakt zum Kontaktieren einer Kabelader quer zur Hülsenachse, insbesondere für Kabeladern der Fernmeldetechnik, aus einem metallischen Hülsenmantel mit einem Klemmschlitz für die isolierte Kabelader und mit einem Schneidklemm-Kontaktschlitz im Inneren des Hülsenkörpers zum abisolierfreien Anschließen der Kabelader und auf ein Verfahren zur Herstellung des Schneidklemm-Hülsenkontaktes.The invention relates to an insulation displacement contact for contacting a cable wire transverse to the sleeve axis, in particular for cable wires in telecommunications, from a metallic sleeve jacket with a clamping slot for the insulated cable wire and with an insulation displacement contact slot in the interior of the sleeve body for stripping-free connection of the cable wire and to a method for producing the insulation displacement contact.
Aus der GB-A-2112216 ist ein Hülsenkontakt der gattungsgemäßen Art vorbekannt, der zum Anschluß von zwei Kabeladern zwei Schneid-Klemm-Kontakte aufweist, in denen jeweils eine Kabelader kontaktiert wird. Darüber hinaus sind zwei Klemmschlitze vorgesehen, in denen jeweils eine Kabelader an der Isolierung eingeklemmt wird. Der Hülsenkörper hat die Form einer Acht. Nachteilig ist, daß im Inneren des Hülsenkontaktes jeweils ein Schneidklemm-Kontakt vorhanden ist. Die Bauform ist fertigungstechnisch schwer herstellbar, da zwei Mantelstücke dicht an dicht zur Anlage kommen müssen. Der Kontakt ist nicht zum Anschluß nur einer Kabelader geeignet.GB-A-2112216 discloses a sleeve contact of the generic type, which has two insulation displacement contacts for connecting two cable wires, in each of which one cable wire is contacted. In addition, two clamping slots are provided, in each of which a cable wire is clamped to the insulation. The sleeve body has the shape of an eight. It is disadvantageous that an insulation displacement contact is present in the interior of the sleeve contact. The design is difficult to manufacture from a manufacturing point of view since two jacket pieces have to come into close contact. The contact is not suitable for connecting only one cable wire.
Ein weiterer Schneidklemm-Hülsenkontakt der gattungsgemäßen Art ist aus der DE 37 09 376 C1 bekannt. Bei diesem sind Mantelstücke aus einem metallischen Hülsenmantel freigeschnitten und zur Bildung des Schneidklemm-Kontaktschlitzes als Kontaktschenkel in das Innere der Hülse abgebogen. Der Klemmschlitz zum Halten der isolierten Kabelader wird hierbei durch die mit geringem Abstand befindlichen Endkanten des runden, ovalen oder mehreckigen Hülsenkörpers gebildet. Nachteilig hierbei ist, daß eine Aufweitung des Klemmschlitzes für die isolierte Kabelader auch eine Aufweitung des Schneidklemm-Kontaktschlitzes zum abisolierfreien Anschließen der Kabelader verursacht. Dies insbesondere dann, wenn die in das Innere der Hülse abgebogenen, den Schneidklemm-Kontaktschlitz bildenden Kontaktschenkel vom Bereich nahe dem Klemmschlitz nach innen gebogen sind, und ferner insbesondere dann, wenn Kabeladern mit relativ dicker Isolierhülle und kleinem Aderquerschnitt an den Hülsenkontakt angeschlossen werden, wobei die dicke Isolierhülle den Klemmschlitz relativ groß aufweitet, woraus eine entsprechende Aufweitung des Schneidklemm-Kontaktschlitzes folgt, der dann möglicherweise die dünne Ader nicht mehr kontaktieren kann.Another insulation displacement sleeve contact of the generic type is known from DE 37 09 376 C1. In this case, jacket pieces are cut out of a metallic sleeve jacket and bent into the interior of the sleeve as a contact leg to form the insulation displacement contact slot. The clamping slot for holding the insulated cable core is through the end edges of the round, oval or polygonal sleeve body formed at a short distance. The disadvantage here is that an expansion of the clamping slot for the insulated cable core also causes an expansion of the insulation displacement contact slot for stripping-free connection of the cable core. This is particularly the case when the contact legs bent into the interior of the sleeve, which form the insulation displacement contact slot, are bent inward from the region near the clamping slot, and furthermore in particular when cable cores with a relatively thick insulating sleeve and small wire cross section are connected to the sleeve contact, whereby the thick insulating sleeve expands the clamping slot relatively large, which results in a corresponding widening of the insulation displacement contact slot, which may then no longer be able to contact the thin wire.
Ferner hat es sich gezeigt, daß der vorbekannte Schneidklemm-Hülsenkontakt beim Biegen der Kontaktschenkel zueinander und somit beim Ausbilden der Schlitzweite des Schneidklemm-Kontaktschlitzes relativ große Toleranzen der Schlitzweiten von Hülsenkontakt zu Hülsenkontakt aufwies, so daß ein Herstellen des Kontaktschlitzes mit annehmbaren Toleranzen praktisch unmöglich ist.Furthermore, it has been shown that the known insulation displacement contact when bending the contact legs to each other and thus when forming the slot width of the insulation displacement contact slot had relatively large tolerances of the slot widths from sleeve contact to sleeve contact, so that it is practically impossible to produce the contact slot with acceptable tolerances .
Der Erfindung liegt von daher die Aufgabe zugrunde, einen Schneidklemm-Hülsenkontakt der gattungsgemäßen Art dahingehend zu verbessern, daß eine Beeinflussung des SchneidklemmKontaktschlitzes von einer Aufweitung des Klemmschlitzes verhindert ist und daß das Herstellen des Kontaktschlitzes mit engen Toleranzen möglich ist.The invention is therefore based on the object of improving an insulation displacement contact of the generic type in such a way that influencing the insulation displacement contact slot is prevented by widening the clamping slot and that the production of the contact slot with narrow tolerances is possible.
Diese Aufgabe mind erfindungsgemäß durch einen Schneidklemm-Hülsenkontakt gemäß Anspruch 1 gelöst.This object at least according to the invention is achieved by an insulation displacement contact according to
Hierdurch sind sowohl der Schneidklemm-Kontaktschlitz als auch der Klemmschlitz jeweils durch Einschnitte in dem Hülsenmantel gebildet, wodurch genaue Toleranzen bei der Ausbildung von Klemmschlitz und Schneidklemm-Kontaktschlitz eingehalten werden können. Außerdem befindet sich der SchneidklemmKontaktschlitz auf einem Teilstück des Hülsenmantels, der unbeeinflußt von einer möglichen Aufweitung des Klemmschlitzes ist. Im Verfahren zur Herstellung des Schneidklemm-Hülsenkontaktes wird der Schneidklemm-Hülsenkontakt aus einem Metallstreifen gebildet, in den vor dem Biegen zum Hülsenkontakt der Klemmschlitz und der Kontaktschlitz eingeschnitten sind, insbesondere durch Stanzen. Dabei kann gleichzeitig eine Schneidstelle mit scharfer Kante ausgestanzt werden. Erst in einem zweiten Arbeitsgang wird die endgültige Hülsenform des Schneidklemm-Hülsenkontaktes durch Biegen und Zusammenrollen erstellt. Dabei kann das den Schneidklemm-Kontaktschlitz aufnehmende Teilstück des Hülsenmantels in einer e-förmigen Ausführungsform als Endstück des Hülsenmantels ausgebildet und radial in das Innere der Hülse hineingebogen werden. In einer anderen Ausführungsform bildet das den Schneidklemm-Kontaktschlitz aufnehmende Teilstück ein Mittelstück des Hülsenmantels, dessen den Klemmschlitz und auch die Schneidstelle aufnehmende an das mittlere Teilstück anschliessenden Endstücke halbkreisförmig und entgegengesetzt gerichtet vom geraden Mittelstück weggebogen sind.As a result, both the insulation displacement contact slot and the clamping slot are each formed by incisions in the sleeve jacket, as a result of which exact tolerances in the formation of the clamping slot and insulation displacement contact slot can be maintained. In addition, the insulation displacement contact slot is located on a section of the sleeve shell which is unaffected by a possible widening of the clamping slot. In the process for producing the insulation displacement contact, the insulation displacement contact is formed from a metal strip into which the clamping slot and the contact slot are cut before bending to make the sleeve contact, in particular by stamping. A cutting point with a sharp edge can be punched out at the same time. Only in a second step is the final sleeve shape of the insulation displacement contact made by bending and rolling together. In this case, the section of the sleeve casing which receives the insulation displacement contact slot can be formed in an e-shaped embodiment as the end piece of the sleeve casing and can be bent radially into the interior of the sleeve. In another embodiment, the section receiving the insulation displacement contact slot forms a middle piece of the sleeve jacket, the end pieces of the sleeve connecting the clamping slot and also the cutting point, which are connected to the middle section, are bent semicircularly and in opposite directions from the straight middle piece.
Weitere vorteilhafte Ausgestaltungen des erfindungsgemäßen Schneidklemm-Hülsenkontaktes ergeben sich aus den Unteransprüchen. Der Schneidklemm-Hülsenkontakt kann alleinstehend auf eine Leiterplatte montiert oder in einer Beschaltungsleiste zusammen mit einem Kontakt gleicher Bauart oder mit ganz anderen als Anschluß-oder Trennkonfigurationen eingesetzt werden. Die Kabeladern werden mittels einer Druckbewegung gleichzeitig im Klemmschlitz geklemmt, im Schneidklemm-Kontaktschlitz kontaktiert und an der scharfen Schneidstelle abgeschnitten. Die Beschaltung kann mit einem Werkzeug oder durch Schließen eines Gehäusedeckels eines Gehäuses erfolgen, in welches der Schneidklemm-Hülsenkontakt eingesetzt ist. Dieser kann auch als Rund-Rohrkontakt bezeichnet werden. Der Hülsenkontakt ist selbsttragend und benötigt kein Gehäuse zum Abstützen oder zum Klemmen der Kabeladern und kann z.B. direkt auf einer Leiterplatte montiert werden. Der Klemmschlitz des Hülsenkontaktes ermöglicht eine sichere Klemmung der Kabelader, ohne daß sich Bewegungen der Kabelader auf den Schneidklemm-Kontaktschlitz auswirken bzw. auf diesen übertragen werden. Die anzuschaltenden Kabeladern müssen nicht vorher auf eine bestimmte Länge abgeschnitten werden, sodern werden direkt am Hülsenkontakt mit Hilfe eines einfachen Beschaltungswerkzeuges ohne bewegliche Teile beim Beschalten an der scharfen Schneidstelle abgetrennt. Der Hülsenkontakt ermöglicht eine sichere Kontaktierung von Cu-Drähten zwischen 0,32 mm und 0,80 mm Durchmesser, was abhängig vom Durchmesser des Hülsenkontaktes ist. Auch ist ein Kontaktieren von Litzenleitern möglich. Die Stellung des Kontaktschlitzes gegenüber der Kabelader kann eine Gabel-oder Winkel-Stellung mit Kontaktwinkeln zwischen 45 und 90° sein.Further advantageous configurations of the insulation displacement contact according to the invention result from the subclaims. The insulation displacement contact can be mounted alone on a circuit board or used in a wiring strip together with a contact of the same type or with completely different ones as connection or disconnection configurations will. The cable wires are simultaneously clamped in the clamping slot by means of a pressure movement, contacted in the insulation displacement contact slot and cut off at the sharp cutting point. The wiring can be done with a tool or by closing a housing cover of a housing in which the insulation displacement contact is inserted. This can also be called a round pipe contact. The sleeve contact is self-supporting and does not require a housing to support or clamp the cable cores and can, for example, be mounted directly on a circuit board. The clamping slot of the sleeve contact enables the cable core to be securely clamped without movements of the cable core having an effect on the insulation displacement contact slot or being transmitted to it. The cable wires to be connected do not have to be cut to a certain length beforehand, but are cut off directly at the sleeve contact using a simple wiring tool without moving parts when wiring at the sharp cutting point. The sleeve contact enables reliable contacting of copper wires between 0.32 mm and 0.80 mm in diameter, which depends on the diameter of the sleeve contact. It is also possible to contact stranded wires. The position of the contact slot in relation to the cable core can be a forked or angular position with contact angles between 45 and 90 °.
Die Erfindung ist nachfolgend anhand mehrerer Ausführungsformen näher erläutert. Es zeigen:
- Fig. 1
- Eine Draufsicht auf einen e-förmigen Schneidklemm-Hülsenkontakt in der ersten Ausführungsform,
- Fig. 2
- die Abwicklung des den Hülsenmantel bildenden Metallstreifens des Schneidklemme-Hülsenkontaktes mit eingestanztem Kontaktschlitz, eingestanzter Schneidstelle und eingestanzter Klemmstelle,
- Fig. 3 bis 12
- verschiedene Ausführungsformen des e-förmigen Hülsenkontaktes und
- Fig. 13 und 14
- zwei Ausführungsformen eines S-förmigen Hülsenkontaktes.
- Fig. 1
- A top view of an e-shaped insulation displacement contact in the first embodiment,
- Fig. 2
- the development of the metal strip forming the sleeve jacket of the insulation displacement contact with the stamped contact slot, stamped Cutting point and stamped clamping point,
- 3 to 12
- different embodiments of the e-shaped sleeve contact and
- 13 and 14
- two embodiments of an S-shaped sleeve contact.
Der Schneidklemm-Hülsenkontakt besteht in der ersten Ausführungsform gemäß den Figuren 1 und 2 aus einen flachen Metallstreifen 1 eines elektrisch leitfähigen Materiales, in den gemäß Fig. 2 links ein Kontaktschlitz 2 und rechts ein Klemmschlitz 3 und in der Mitte eine Schneidstelle 4 durch Stanzen in einem Arbeitsgang eingebracht sind. Der Kontaktschlitz 2 hat eine bestimmte Weite W, die vom Kerndurchmesser der anzuschließenden Kabeladern 5 abhängig ist, und ist mit einem V-förmigen Eingangsbereich 6 versehen. Die Klemmstelle besteht aus einem Klemmschlitz 3 der Weite Z, die regelmäßig größer ist als die Weite W des Kontaktschlitzes 2, und ist ebenfalls mit einem V-förmigen Eingangsbereich 7 versehen. Zur Ausbildung elastischer Federlappen 8 zu beiden Seiten des Klemmschlitzes 3 ist ein U-förmiger Freischnitt 9 in dem Metallstreifen 1 eingestanzt, dessen Basis 10 sich am inneren Ende des Klemmschlitzes 3 mit diesem rechtwinklig kreuzt und dessen Schenkel 11 sich parallel zum Klemmschlitz 3 in Richtung auf dessen Eingangsbereich 7 erstrecken, wie es in Fig. 2 dargestellt ist.The insulation displacement contact in the first embodiment according to FIGS. 1 and 2 consists of a
Wie es die Fig. 1 zeigt, ist der Metallstreifen 1 nach dem Stanzvorgang gemäß Fig. 2 zu einem im Querschnitt runden Hülsenkörper 12 gebogen bzw. zusammengerollt, wobei ein Teilstück 13, das in Fig. 2 durch die gestrichelte Linie 14 vom übrigen Hülsenmantel 15 abgeteilt ist, radial in das Innere des Hülsenkörpers 12 gebogen ist, wie es in Fig. 1 dargestellt ist. Dabei liegt der Kontaktschlitz 2 im Zentrum des Hülsenkörpers 12 und ist unter einem Winkel α zur Querachse 16 des Hülsenkörpers 12 ausgerichtet. In der hierzu senkrechten Achse 17 des Hülsenkörpers 12 sind der Klemmschlitz 3 und diesen gegenüberliegend die Schneidstelle 4 angeordnet, wie es in Fig. 1 dargestellt ist. Diese Ausführungsform der Schneidklemm-Hülsenkontaktes bildet eine e-Form mit einem unter dem Winkel α schräg zur Achse 17 der anzuschließenden Kabelader 5 ausgerichteten Schneidklemm-Kontaktschlitz 2, wobei die Kabelader 5 in der Richtung der Achse 17 liegt (Fig. 1). Das den Kontaktschlitz 2 aufnehmende Teilstück 13 ist bei dieser Ausführungsform am freien Ende 18 nicht mit dem Hülsenmantel 12 verbunden, wie es in Fig. 1 dargestellt ist.As shown in FIG. 1, after the punching process according to FIG. 2, the
Die Figuren 3 bis 12 zeigen von der in Fig. 1 dargestellten e-Form abgewandelte Ausführungsformen. So zeigen die Figuren 3 und 4 einen reinen Gabelkontakt, dessen Teilstück 13 des Hülsenmantels 12 genau in der Querachse 16 angeordnet ist, so daß der Kontaktschlitz 2 parallel mit der hierzu senkrechten Achse 17 liegt, wie es in Fig. 3 dargestellt ist. Der Schneidklemm-Hülsenkontakt gemäß Fig. 4 entspricht dem in Fig. 3 dargestellten und ist nur entgegengesetzt gebogen bzw. zusammengerollt.FIGS. 3 to 12 show embodiments modified from the e-shape shown in FIG. 1. Figures 3 and 4 show a pure fork contact, the
Der in Fig. 5 dargestellt Schneidklemm-Hülsenkontakt entspricht demjenigen von Fig. 1, wobei der Winkel α mit 70° angegeben ist. Der Schneidklemm-Hülsenkontakt gemäß Fig. 6 entspricht demjenigen von Fig. 5 und ist nur entgegengesetzt gebogen bzw. zusammengerollt.The insulation displacement contact shown in FIG. 5 corresponds to that of FIG. 1, the angle α being specified as 70 °. The insulation displacement contact according to FIG. 6 corresponds to that of FIG. 5 and is only bent or rolled in the opposite direction.
Die in den Figuren 7 und 8 dargestellten Schneidklemm-Kontakte haben einen Winkel α von 45°, unter welchem das in das Innere des Hülsenkörpers 12 hineingebogene Teilstück 13 gegenüber der Achse 17 der Kabelader 5 hineingebogen ist.The insulation displacement contacts shown in FIGS. 7 and 8 have an angle α of 45 °, at which the
Bei den bisher dargestellten Schneidklemm-Hülsenkontakten entspricht die radiale Länge des Teilstückes 13 dem Innendurchmesser des Hülsenkörpers 12. Bei den in den Figuren 9 und 10 dargestellten Ausführungsformen ist die Länge des in das Innere des Hülsenkörpers 12 hineingebogenen Teilstückes 13' länger als der Innendurchmesser des Hülsenkörpers 12, wobei zur seitlichen Abstützung des radialen Teilstückes 13' Aufnahmen in Form einer Öffnung 19 (Fig.9) oder in Form einer Ausbauchung 20 (Fig. 10) vorgesehen sind. In diesem wird das radiale Teilstück 13' seitlich abgestützt. In den Ausführungsformen gemäß den Figuren 11 und 12 entspricht die Länge des radial nach innen gebogenen Teilstückes 13 wiederum dem Innendurchmesser des Hülsenkörpers 12, wobei wiederum Aufnahmen 18 für das Teilstück 13 vorgesehen sind, die in Form von nach innen gebogenen Lappen 21 ausgebildet sind, die aus dem Hülsenmantel 15 des Hülsenstückes 12 U-Förmig freigeschnitten sind.In the insulation displacement sleeve contacts shown so far, the radial length of the
In der Ausführungsform gemäß den Figuren 13 und 14 hat der Schneidklemm-Hülsenkontakt in der Draufsicht eine S-Form, wobei das Teilstück 13" des Hülsenmantels 12", das den Kontaktschlitz 2 aufnimmt, das Mittelstück des Metallstreifens 1" des Hülsenmantels 12" bildet. Die zu beiden Seiten des Mittelstückes 13" angeordneten und mit diesem einstückig ausgebildeten Mantelstücke 22,23 des Hülsenkörpers 12' sind jeweils halbkreisförmig und entgegengesetzt zueinander gebogen, so daß diese Mantelstücke 22,23 den eigentlichen Hülsenkörper 12 bilden, der vom Mittelstück 13'' radial durchquert wird. Hierbei liegt das Mittelstück 13'' unter einem großen Winkel α zur Achse 3, in der die Kabelader 5 verläuft. Die Schneidstelle 4 liegt auch hierbei diametral gegenüber dem Klemmschlitz 3.In the embodiment according to FIGS. 13 and 14, the insulation displacement contact has an S shape in plan view, the
Claims (8)
- A cutting clamp sleeve contact for contacting a cable core transversely to the sleeve axis, in particular for cable cores of the telecommunication technology, made of a metal sleeve shell (15) and comprising a clamping slot (3) for the insulated cable core (5) and comprising a cutting clamp contact slot (2) within the sleeve body (12) for the stripless termination of the cable core, characterised by that only one portion (13, 13', 13") of the substantially circular sleeve shell (15) is bent off radially into the interior of the sleeve body (12, 12', 12") and is provided with the cutting clamp contact slot (2), and that the clamping slot (3) opposite to the cutting clamp contact slot (2) is cut into the sleeve shell (15), the portion (13) forming an end portion or a central portion of the sleeve shell (15), so that the sleeve shell (15) is bent to an e-shaped or S-shaped sleeve body (12, 12', 12").
- A cutting clamp sleeve contact according to claim 1, characterised by that the radial length of the portion (13, 13', 13") is identical to the inner diameter of the sleeve body (12, 12', 12").
- A cutting clamp sleeve contact according to claim 1, characterised by that the radial length of the portion (13') of the sleeve shell (15) is larger than the inner diameter of the sleeve body (12, 12', 12"), and is supported in a receiving portion (18) in the sleeve shell (12).
- A cutting clamp sleeve contact according to claim 1, characterised by that the radial length of the portion (13') of the sleeve shell (15) is identical to the inner diameter of the sleeve body (12, 12', 12"), and that the portion (13) is supported at a cut-free, inwardly bent off lug (21) of the sleeve shell (12').
- A cutting clamp sleeve contact according to one of the preceding claims, characterised by that the sleeve shell (12) is bent to an S-shaped sleeve body (12"), and that the central portion (13") is straight and forms the radial portion for receiving the cutting clamp contact slot (2), and that the two shell portions to be terminated thereat form the bent off sleeve shell (12").
- A cutting clamp sleeve contact according to one of the preceding claims, characterised by that the area of the sleeve shell (12) opposite to the clamping slot (3) forms a sharpened cutting portion (4) for cutting the cable core (5) off.
- A cutting clamp sleeve contact according to one of the preceding claims, characterised by that the clamping slot (3) is enclosed by a cut-free section (9) in reversed U-shape, the base (10) of which intersects the clamping slot (3) rectangularly, and the legs (11) of which are directed, in parallel to the clamping slot (3), in the direction of the entry section (7) thereof.
- A method for manufacturing a cutting clamp sleeve contact according to one of claims 1 to 7 of a metal strip, characterised by that the cutting clamp contact slot (2) and the clamping slot (3) are cut in the metal strip (1), in particular stamped in, and that the metal strip (1) in an e or S-shape is bent to a substantially circular sleeve body (12, 12', 12"), the only one portion (13, 13', 13") receiving the cutting clamp contact slot (2) being disposed radially in the interior of the sleeve body (12).
Applications Claiming Priority (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| DE4130940A DE4130940C1 (en) | 1991-09-13 | 1991-09-13 | |
| DE4130940 | 1991-09-13 |
Publications (3)
| Publication Number | Publication Date |
|---|---|
| EP0531664A2 EP0531664A2 (en) | 1993-03-17 |
| EP0531664A3 EP0531664A3 (en) | 1993-03-31 |
| EP0531664B1 true EP0531664B1 (en) | 1996-01-31 |
Family
ID=6440822
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| EP92111972A Expired - Lifetime EP0531664B1 (en) | 1991-09-13 | 1992-07-14 | Cutting clamp sleeve contact |
Country Status (33)
| Country | Link |
|---|---|
| US (1) | US5299953A (en) |
| EP (1) | EP0531664B1 (en) |
| JP (1) | JP2543294B2 (en) |
| KR (1) | KR930007009A (en) |
| CN (1) | CN1035969C (en) |
| AR (1) | AR245847A1 (en) |
| AT (1) | ATE133816T1 (en) |
| AU (1) | AU656606B2 (en) |
| BG (1) | BG61088B1 (en) |
| BR (1) | BR9203544A (en) |
| CA (1) | CA2077408A1 (en) |
| CU (1) | CU22182A3 (en) |
| DE (2) | DE4130940C1 (en) |
| DK (1) | DK0531664T3 (en) |
| EC (1) | ECSP920865A (en) |
| EG (1) | EG19815A (en) |
| ES (1) | ES2082287T3 (en) |
| FI (1) | FI923302A (en) |
| GR (1) | GR3018978T3 (en) |
| HK (1) | HK76196A (en) |
| HU (1) | HU208765B (en) |
| IE (1) | IE922569A1 (en) |
| IL (1) | IL102690A (en) |
| MX (1) | MX9205194A (en) |
| MY (1) | MY108316A (en) |
| NO (1) | NO923184L (en) |
| NZ (1) | NZ243748A (en) |
| RU (1) | RU2076408C1 (en) |
| TR (1) | TR28434A (en) |
| TW (1) | TW212151B (en) |
| UY (1) | UY23455A1 (en) |
| YU (1) | YU48159B (en) |
| ZA (1) | ZA925683B (en) |
Families Citing this family (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| DE19610610A1 (en) * | 1996-03-18 | 1997-09-25 | Whitaker Corp | Arrangement for connecting electrical conductor to insulation piercing contact |
| DE19632273A1 (en) * | 1996-08-09 | 1998-02-12 | Helge Zwosta | Body sensors |
| US20070254521A1 (en) * | 2006-04-28 | 2007-11-01 | D Agostini Roberto | Insulation displacement terminal |
Family Cites Families (9)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US3805214A (en) * | 1972-08-22 | 1974-04-16 | Amp Inc | Resilient electrical contact |
| US3845455A (en) * | 1973-10-12 | 1974-10-29 | Amp Inc | Tubular conductor-in-slot connecting device |
| US4236778A (en) * | 1979-07-30 | 1980-12-02 | Amp Incorporated | Terminal block |
| DE3044888C2 (en) * | 1980-11-28 | 1984-09-06 | Krone Gmbh, 1000 Berlin | Free-standing, attachable connection element in Z-shaped design of an LSA-PLUS contact |
| GB2112216B (en) * | 1981-12-16 | 1985-11-27 | Plessey Co Plc | Electrical connectors for use in telecommunications equipment |
| US4548459A (en) * | 1984-08-31 | 1985-10-22 | Amp Incorporated | Electrical terminal for wires of different gauges |
| GB8525688D0 (en) * | 1985-10-18 | 1985-11-20 | Amp Gmbh | Electrical connector |
| DE3709376C1 (en) * | 1987-03-20 | 1988-05-26 | Krone Ag | Insulation displacement contact |
| DE3887255T2 (en) * | 1987-10-13 | 1994-05-05 | Arnould App Electr | Self-stripping connector for an electrical conductor. |
-
1991
- 1991-09-13 DE DE4130940A patent/DE4130940C1/de not_active Expired - Lifetime
-
1992
- 1992-07-14 AT AT92111972T patent/ATE133816T1/en not_active IP Right Cessation
- 1992-07-14 DK DK92111972.3T patent/DK0531664T3/en active
- 1992-07-14 EP EP92111972A patent/EP0531664B1/en not_active Expired - Lifetime
- 1992-07-14 DE DE59205220T patent/DE59205220D1/en not_active Expired - Fee Related
- 1992-07-14 ES ES92111972T patent/ES2082287T3/en not_active Expired - Lifetime
- 1992-07-20 FI FI923302A patent/FI923302A/en unknown
- 1992-07-24 AR AR92322824A patent/AR245847A1/en active
- 1992-07-28 NZ NZ243748A patent/NZ243748A/en unknown
- 1992-07-29 ZA ZA925683A patent/ZA925683B/en unknown
- 1992-07-31 IL IL10269092A patent/IL102690A/en not_active IP Right Cessation
- 1992-08-03 AU AU20772/92A patent/AU656606B2/en not_active Ceased
- 1992-08-05 HU HU9202549A patent/HU208765B/en not_active IP Right Cessation
- 1992-08-06 UY UY23455A patent/UY23455A1/en not_active IP Right Cessation
- 1992-08-06 IE IE256992A patent/IE922569A1/en not_active IP Right Cessation
- 1992-08-10 CU CU9292A patent/CU22182A3/en unknown
- 1992-08-14 NO NO92923184A patent/NO923184L/en unknown
- 1992-08-20 MY MYPI92001510A patent/MY108316A/en unknown
- 1992-08-26 TW TW081106740A patent/TW212151B/zh active
- 1992-09-01 US US07/940,201 patent/US5299953A/en not_active Expired - Fee Related
- 1992-09-02 TR TR00854/92A patent/TR28434A/en unknown
- 1992-09-02 CA CA002077408A patent/CA2077408A1/en not_active Abandoned
- 1992-09-04 YU YU81492A patent/YU48159B/en unknown
- 1992-09-09 KR KR1019920016492A patent/KR930007009A/en not_active Application Discontinuation
- 1992-09-10 BG BG96860A patent/BG61088B1/en unknown
- 1992-09-10 JP JP4242139A patent/JP2543294B2/en not_active Expired - Lifetime
- 1992-09-11 CN CN92110668A patent/CN1035969C/en not_active Expired - Fee Related
- 1992-09-11 EC EC1992000865A patent/ECSP920865A/en unknown
- 1992-09-11 BR BR929203544A patent/BR9203544A/en not_active Application Discontinuation
- 1992-09-11 MX MX9205194A patent/MX9205194A/en not_active IP Right Cessation
- 1992-09-11 RU SU925052459A patent/RU2076408C1/en active
- 1992-09-12 EG EG53592A patent/EG19815A/en active
-
1996
- 1996-02-14 GR GR960400379T patent/GR3018978T3/en unknown
- 1996-05-02 HK HK76196A patent/HK76196A/en not_active IP Right Cessation
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