EP0405337B1 - Protected connector for a distribution strip of a telecommunications system - Google Patents

Protected connector for a distribution strip of a telecommunications system Download PDF

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Publication number
EP0405337B1
EP0405337B1 EP90111795A EP90111795A EP0405337B1 EP 0405337 B1 EP0405337 B1 EP 0405337B1 EP 90111795 A EP90111795 A EP 90111795A EP 90111795 A EP90111795 A EP 90111795A EP 0405337 B1 EP0405337 B1 EP 0405337B1
Authority
EP
European Patent Office
Prior art keywords
protective plug
spring contacts
connecting pins
contacts
recesses
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
Application number
EP90111795A
Other languages
German (de)
French (fr)
Other versions
EP0405337A2 (en
EP0405337A3 (en
Inventor
Erich Dipl.-Ing.(Fh) Thalhammer
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.)
Siemens AG
Original Assignee
Siemens AG
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 Siemens AG filed Critical Siemens AG
Priority to AT90111795T priority Critical patent/ATE99083T1/en
Publication of EP0405337A2 publication Critical patent/EP0405337A2/en
Publication of EP0405337A3 publication Critical patent/EP0405337A3/en
Application granted granted Critical
Publication of EP0405337B1 publication Critical patent/EP0405337B1/en
Anticipated expiration legal-status Critical
Expired - Lifetime 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
    • H01R13/00—Details of coupling devices of the kinds covered by groups H01R12/70 or H01R24/00 - H01R33/00
    • H01R13/66—Structural association with built-in electrical component
    • H01R13/68—Structural association with built-in electrical component with built-in fuse
    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01R—ELECTRICALLY-CONDUCTIVE CONNECTIONS; STRUCTURAL ASSOCIATIONS OF A PLURALITY OF MUTUALLY-INSULATED ELECTRICAL CONNECTING ELEMENTS; COUPLING DEVICES; CURRENT COLLECTORS
    • H01R13/00—Details of coupling devices of the kinds covered by groups H01R12/70 or H01R24/00 - H01R33/00
    • H01R13/02—Contact members
    • H01R13/10—Sockets for co-operation with pins or blades
    • H01R13/11—Resilient sockets
    • H01R13/112—Resilient sockets forked sockets having two legs

Definitions

  • the invention relates to a protective plug for a distribution strip in a telecommunications, in particular telephone system, the elongated protective plug having a plurality of transversely arranged surge arresters.
  • Such a protective plug is such.
  • B. become known from DE 30 14 796 C2.
  • Figure 3 the connecting pins of three-pole surge arresters can be inserted between the legs of spring contacts of a protective plug, which are bent in the shape of an inherent part, for a distributor strip.
  • the spring contacts are open to the surge arrester and their base is arranged on the side facing away from the surge arresters. Centering holes for the connecting pins are arranged in the housing of the protective plug between the spring contacts and the surge arresters.
  • the spring contacts are part of contact parts that end in plug-in contact tongues with which the protective plug can be inserted into a distribution strip.
  • the contact part is T-shaped in its development), the two side legs being bent towards the surge arresters.
  • the invention has for its object to be able to manufacture and install the contact parts inexpensively.
  • the spring legs can then be shaped in one operation by cutting out the contact parts.
  • the geometry of the spring contact is precisely defined by the cutting punch, so that constant contact conditions are always given.
  • connection pins of the surge arresters When the connection pins of the surge arresters are inserted, they are guided laterally in the slot-like recess, so that they can get safely between the spring legs of the spring contact. Due to the simple flat geometric shape of the spring contacts, these can be inserted more easily into the housing of the protective plug, which in particular favors the automation of the assembly.
  • the material plane of the spring contacts extends in the longitudinal direction of the protective plug and the frankings are designed as continuous longitudinal slots. This allows the protective plug to be kept very narrow. A continuous recess can be easily manufactured in terms of production technology.
  • the contact springs are parallel to the tongues, so that the contact parts can be stretched or made with simple bends.
  • the surge arresters are designed with three poles, the spring contacts for the central poles of the surge arresters are connected in one piece to a longitudinally continuous earth plate in the direction of insertion and lie in the material plane thereof.
  • Such an earth plate can be punched out in one piece together with the spring contacts. No bends are required and can therefore be inserted exactly into the housing of the protective plug.
  • a protective plug 1 has a housing 2, an earth plate 3 and contact parts 4.
  • the housing is provided with receiving chambers 5 for three-pole surge arresters 6. These have radially projecting connecting pins 7, which can be contacted with the contact parts 4 and the earth plate 3.
  • the contact parts 4 end on the side facing away from the receiving chambers 5 in tabs 8 which can be inserted into mating contacts of a distribution strip, not shown.
  • These counter contacts are e.g. B. connected to subscriber lines. There is thus an electrical connection between these and the surge arresters 6.
  • the surge arresters 6 are arranged in a row in the longitudinal direction of the protective plug 1. In each case, the two end connection pins 7 of the cylindrical surge arrester 6 are contacted with the contact parts 4. The middle pin 7 is connected to the earth plate 3, so that overcurrents occurring in the subscriber lines can be derived to earth.
  • the contact parts 4 and the earth plate 3 are designed as fork-shaped spring contacts 9.
  • the legs of the spring contacts 9 are cut out of the flat material of the contact parts 4 and can be deflected in the material plane. They dip with their resilient ends into slot-like recesses 10 of an intermediate base 11 of the housing 2.
  • the recesses 10 are formed as continuous longitudinal slots that are slightly wider than the diameter of the connecting pins 7. These are guided laterally between the legs of the spring contacts 9 when inserted through centering holes in the intermediate floor 11.
  • the strip-shaped earth sheet 3 is inserted and guided in its base in fork-shaped projections 12 of the housing 2.
  • the contact parts 4 and the earth plate 3 extend with their Material levels essentially in the longitudinal direction of the protective plug 1, so that it can be kept accordingly narrow.

Landscapes

  • Details Of Connecting Devices For Male And Female Coupling (AREA)
  • Connector Housings Or Holding Contact Members (AREA)
  • Exchange Systems With Centralized Control (AREA)
  • Use Of Switch Circuits For Exchanges And Methods Of Control Of Multiplex Exchanges (AREA)
  • Sub-Exchange Stations And Push- Button Telephones (AREA)
  • Structure Of Telephone Exchanges (AREA)
  • Mechanical Coupling Of Light Guides (AREA)
  • Coupling Device And Connection With Printed Circuit (AREA)
  • Connections Arranged To Contact A Plurality Of Conductors (AREA)
  • Telephonic Communication Services (AREA)
  • Mobile Radio Communication Systems (AREA)
  • Alarm Systems (AREA)

Abstract

The protected connector (1) is provided with fork-shaped spring contacts (9) whose side limbs are cut from flat material and can be deflected in a resilient manner in the plane of the material. Their sprung ends are immersed in slot-like recesses (10) in a housing of the protected connector (1). Over-voltage suppressors (6) are provided with pin-like, radially projecting connecting pins (7), which can be inserted between the limbs of the spring contacts (9). The distribution strip (1) can be produced simply and can be of compact construction. <IMAGE>

Description

Die Erfindung bezieht sich auf einen Schutzstecker für eine Verteilerleiste in einer Telekommunikations-, insbesondere Fernsprechanlage, wobei der längliche Schutzstecker eine Vielzahl von querstehenden aneinandergereihten Überspannungsableitern aufweist.The invention relates to a protective plug for a distribution strip in a telecommunications, in particular telephone system, the elongated protective plug having a plurality of transversely arranged surge arresters.

Ein derartiger Schutzstecker ist z. B. durch die DE 30 14 796 C2 bekannt geworden. Danach (Figur 3) sind die Anschlußstifte von dreipoligen Überspannungsableitern zwischen die Schenkel von in sich förmig gebogenen Federkontakten eines Schutzsteckers für eine Verteilerleiste einsteckbar. Die Federkontakte sind zum Überspannungsableiter hin offen und ihre Basis ist auf der den Überspannungsableitern abgewandten Seite angeordnet. Zwischen den Federkontakten und den Überspannungsableitern sind im Gehäuse des Schutzsteckers Zentrierbohrungen für die Anschlußstifte angeordnet. Die Federkontakte sind Bestandteil von Kontaktteilen, die in Steckkontaktzungen enden, mit denen der Schutzstecker in eine Verteilerleiste einsteckbar ist. Das Kontaktteil ist in seiner Abwicklung T-förmig ausgebildet) wobei die beiden Seitenschenkel zu den Überspannungsableitern hin gebogen sind.Such a protective plug is such. B. become known from DE 30 14 796 C2. Thereafter (Figure 3), the connecting pins of three-pole surge arresters can be inserted between the legs of spring contacts of a protective plug, which are bent in the shape of an inherent part, for a distributor strip. The spring contacts are open to the surge arrester and their base is arranged on the side facing away from the surge arresters. Centering holes for the connecting pins are arranged in the housing of the protective plug between the spring contacts and the surge arresters. The spring contacts are part of contact parts that end in plug-in contact tongues with which the protective plug can be inserted into a distribution strip. The contact part is T-shaped in its development), the two side legs being bent towards the surge arresters.

Der Erfindung liegt die Aufgabe zugrunde, die Kontaktteile kostengünstig herstellen und einbauen zu können.The invention has for its object to be able to manufacture and install the contact parts inexpensively.

Diese Aufgabe wird durch die Erfindung gemäß Anspruch 1 gelöst. Danach können nun die Federschenkel in einem Arbeitsgang mit dem Ausschneiden der Kontaktteile ausgeformt werden. Die Geometrie des Federkontakts ist durch den Schnittstempel genau definiert, so daß stets gleichbleibende Kontaktbedingungen gegeben sind.This object is achieved by the invention according to claim 1. The spring legs can then be shaped in one operation by cutting out the contact parts. The geometry of the spring contact is precisely defined by the cutting punch, so that constant contact conditions are always given.

Beim Einstecken der Anschlußstifte der Überspannungsableiter werden diese seitlich in der schlitzartigen Ausnehmung geführt, so daß sie sicher zwischen die Federschenkel des Federkontakts gelangen. Durch die einfache flache geometrische Gestalt der Federkontakte können diese leichter in das Gehäuse des Schutzsteckers eingesetzt werden, was insbesondere die Automatisierbarkeit der Montage begünstigt.When the connection pins of the surge arresters are inserted, they are guided laterally in the slot-like recess, so that they can get safely between the spring legs of the spring contact. Due to the simple flat geometric shape of the spring contacts, these can be inserted more easily into the housing of the protective plug, which in particular favors the automation of the assembly.

Nach einer Weiterbildung der Erfindung erstreckt sich die Materialebene der Federkontakte in der Längsrichtung des Schutzsteckers und sind die Freimachungen als durchgehende Längsschlitze ausgebildet. Dadurch kann der Schutzstecker sehr schmal gehalten werden. Eine durchgehende Ausnehmung läßt sich fertigungstechnisch einfach herstellen. Die Kontaktfedern stehen parallel zu den Steckzungen, so daß die Kontaktteile gestreckt oder mit einfachen Biegungen hergestellt werden können.According to a development of the invention, the material plane of the spring contacts extends in the longitudinal direction of the protective plug and the frankings are designed as continuous longitudinal slots. This allows the protective plug to be kept very narrow. A continuous recess can be easily manufactured in terms of production technology. The contact springs are parallel to the tongues, so that the contact parts can be stretched or made with simple bends.

Nach einer anderen Weiterbildung der Erfindung sind die Überspannungsableiter dreipolig ausgebildet, sind die Federkontakte für die mittleren Pole der Überspannungsableiter einstückig mit einem längsdurchgehenden in der Einsteckrichtung stehenden Erdblech verbunden und liegen in dessen Materialebene.According to another development of the invention, the surge arresters are designed with three poles, the spring contacts for the central poles of the surge arresters are connected in one piece to a longitudinally continuous earth plate in the direction of insertion and lie in the material plane thereof.

Ein derartiges Erdblech läßt sich zusammen mit den Federkontakten in einem Stück ausstanzen. Es bedarf keiner Biegungen und läßt sich somit exakt in das Gehäuse des Schutzsteckers einsetzen.Such an earth plate can be punched out in one piece together with the spring contacts. No bends are required and can therefore be inserted exactly into the housing of the protective plug.

Im folgenden wird die Erfindung anhand eines in der Zeichnung dargestellten Ausführungsbeispiels näher erläutert.The invention is explained in more detail below with reference to an embodiment shown in the drawing.

Es zeigen

Fig. 1
einen Querschnitt durch einen Schutzstecker für eine Verteilerleiste mit Überspannungsableitern,
Fig. 2
einen Längsschnitt durch den Schutzstecker nach Figur 1 gemäß der Linie II-II in Figur 3,
Fig. 3
eine Draufsicht auf den Schutzstecker nach Figur 2.
Show it
Fig. 1
a cross section through a protective plug for a distribution strip with surge arresters,
Fig. 2
2 shows a longitudinal section through the protective plug according to FIG. 1 along the line II-II in FIG. 3,
Fig. 3
a plan view of the protective plug according to Figure 2.

Nach den Figuren 1, 2 und 3 weist ein Schutzstecker 1 ein Gehäuse 2, ein Erdblech 3 und Kontaktteile 4 auf. Das Gehäuse ist mit Aufnahmekammern 5 für dreipolige Überspannungsableiter 6 versehen. Diese weisen radial abstehende Anschlußstifte 7 auf, die mit den Kontaktteilen 4 und dem Erdblech 3 kontaktierbar sind. Die Kontaktteile 4 enden auf der den Aufnahmekammern 5 abgewandten Seite in Steckzungen 8, die in Gegenkontakte einer nicht dargestellten Verteilerleiste einsteckbar sind. Diese Gegenkontakte sind z. B. mit Teilnehmerleitungen verbunden. Damit besteht zwischen diesen und den Überspannungsableitern 6 eine elektrische Verbindung.According to FIGS. 1, 2 and 3, a protective plug 1 has a housing 2, an earth plate 3 and contact parts 4. The housing is provided with receiving chambers 5 for three-pole surge arresters 6. These have radially projecting connecting pins 7, which can be contacted with the contact parts 4 and the earth plate 3. The contact parts 4 end on the side facing away from the receiving chambers 5 in tabs 8 which can be inserted into mating contacts of a distribution strip, not shown. These counter contacts are e.g. B. connected to subscriber lines. There is thus an electrical connection between these and the surge arresters 6.

Die Überspannungsableiter 6 sind querstehend in der Längsrichtung des Schutzsteckers 1 hintereinandergereiht. Jeweils die beiden stirnseitigen Anschlußstifte 7 der zylindrischen Überspannungsaleiter 6 sind mit den Kontaktteilen 4 kontaktiert. Der mittlere Anschlußstift 7 ist mit dem Erdblech 3 verbunden, so daß in den Teilnehmerleitungen auftretende Überströme zur Erde abgeleitet werden können.The surge arresters 6 are arranged in a row in the longitudinal direction of the protective plug 1. In each case, the two end connection pins 7 of the cylindrical surge arrester 6 are contacted with the contact parts 4. The middle pin 7 is connected to the earth plate 3, so that overcurrents occurring in the subscriber lines can be derived to earth.

Im Bereich der Anschlußstifte 7 sind die Kontaktteile 4 und das Erdblech 3 als gabelförmige Federkontakte 9 ausgebildet. Die Schenkel der Federkontakte 9 sind aus dem Flachmaterial der Kontaktteile 4 freigeschnitten und in der Materialebene auslenkbar. Sie tauchen mit ihren federnden Enden in schlitzartige Ausnehmungen 10 eines Zwischenbodens 11 des Gehäuses 2 ein. Die Ausnehmungen 10 sind als durchgehende Längsschlitze ausgebildet, die geringfügig weiter sind als der Durchmesser der Anschlußstifte 7. Diese werden dadurch beim Durchstecken durch Zentrierbohrungen im Zwischenboden 11 seitlich zwischen die Schenkel der Federkontakte 9 geführt.In the area of the connecting pins 7, the contact parts 4 and the earth plate 3 are designed as fork-shaped spring contacts 9. The legs of the spring contacts 9 are cut out of the flat material of the contact parts 4 and can be deflected in the material plane. They dip with their resilient ends into slot-like recesses 10 of an intermediate base 11 of the housing 2. The recesses 10 are formed as continuous longitudinal slots that are slightly wider than the diameter of the connecting pins 7. These are guided laterally between the legs of the spring contacts 9 when inserted through centering holes in the intermediate floor 11.

Das streifenförmige Erdblech 3 ist in seiner Basis in gabelförmige Vorsprünge 12 des Gehäuses 2 eingesetzt und geführt. Die Kontaktteile 4 und das Erdblech 3 erstrecken sich mit ihren Materialebenen im wesentlichen in der Längsrichtung des Schutzsteckers 1, so daß dieser dementsprechend schmal gehalten werden kann.The strip-shaped earth sheet 3 is inserted and guided in its base in fork-shaped projections 12 of the housing 2. The contact parts 4 and the earth plate 3 extend with their Material levels essentially in the longitudinal direction of the protective plug 1, so that it can be kept accordingly narrow.

Claims (3)

  1. Protective plug for a distribution strip in a telecommunications installation, preferably a telephone exchange, the elongated protective plug (1) having a multiplicity of overvoltage suppressors (6) which are arranged in a row transversely with respect to one another and have wire-like connecting pins (7) which project in one direction and are in each case inserted between two limbs of a spring contact (9) of the protective plug (1), the spring contacts (9) being connected to plug-in tongues (8) which can make a contact with mating contacts of the distribution strip, and the housing (2) having between the overvoltage suppressors (6) and the spring contacts (9) an intermediate base (11) through which the connecting pins (7) can be plugged, characterized in that the spring contacts (9) are constructed as fork contacts whose limbs are cut free from flat material and can be inclined in the material plane, in that the free ends of the limbs project into slot-like recesses (10) of the intermediate base (11), and in that the slot-like recesses (10) are somewhat wider than the connecting pins (7) are thick.
  2. Protective plug according to Claim 1, characterized in that the material plane of the spring contacts (9) extends in the longitudinal direction of the protective plug (1), and in that the recesses (10) are constructed as continual longitudinal slots.
  3. Protective plug according to Claim 1 or 2, characterized in that the overvoltage suppressors (6) are of three-pole construction, and in that the spring contacts (9) for the central connecting pins (7) of the overvoltage suppressors (6) are integrally connected to an earthing plate (3) which is longitudinally continuous and is upright in the insertion direction, and lie in the material plane of said earthing plate (3).
EP90111795A 1989-06-28 1990-06-21 Protected connector for a distribution strip of a telecommunications system Expired - Lifetime EP0405337B1 (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
AT90111795T ATE99083T1 (en) 1989-06-28 1990-06-21 PROTECTIVE PLUG FOR A DISTRIBUTION BLOCK IN A TELECOMMUNICATIONS EQUIPMENT.

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
DE3921207 1989-06-28
DE3921207 1989-06-28

Publications (3)

Publication Number Publication Date
EP0405337A2 EP0405337A2 (en) 1991-01-02
EP0405337A3 EP0405337A3 (en) 1991-05-29
EP0405337B1 true EP0405337B1 (en) 1993-12-22

Family

ID=6383793

Family Applications (1)

Application Number Title Priority Date Filing Date
EP90111795A Expired - Lifetime EP0405337B1 (en) 1989-06-28 1990-06-21 Protected connector for a distribution strip of a telecommunications system

Country Status (6)

Country Link
EP (1) EP0405337B1 (en)
AT (1) ATE99083T1 (en)
DD (1) DD295959A5 (en)
DE (1) DE59003940D1 (en)
ES (1) ES2047207T3 (en)
ZA (1) ZA905004B (en)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN105938948A (en) * 2016-06-07 2016-09-14 佛山市南海区西樵大同广龙五金电器厂 Convenient-to-manufacture symmetric three-plug surface plug

Families Citing this family (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US5281163A (en) * 1991-09-23 1994-01-25 Minnesota Mining And Manufacturing Company Cross connect system for telecommunications systems
DE19816907B4 (en) * 1998-04-16 2006-09-28 Quante Ag Protective plug for a telecommunication device
DE19818477A1 (en) * 1998-04-24 1999-10-28 Quante Ag Overvoltage protection storage rack for setting up telecommunications equipment
JP3344342B2 (en) 1998-08-19 2002-11-11 住友電装株式会社 Electrical junction box
DE29909701U1 (en) * 1999-06-02 1999-09-09 Quante Ag, 42109 Wuppertal Protective plug for a facility of telecommunication technology
DE202008016027U1 (en) * 2008-12-04 2010-04-15 Weidmüller Interface GmbH & Co. KG Bayable housing

Family Cites Families (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE3014796C2 (en) * 1980-04-17 1989-09-21 Krone Gmbh, 1000 Berlin Surge arrester device for connection strips in telecommunications technology
DE3639533A1 (en) * 1986-11-20 1988-06-01 Bettermann Obo Ohg Plug-in surge diverter for electrical installations
DE3833167A1 (en) * 1988-09-27 1990-03-29 Siemens Ag GAS DISCHARGE SURGE ARRESTER

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN105938948A (en) * 2016-06-07 2016-09-14 佛山市南海区西樵大同广龙五金电器厂 Convenient-to-manufacture symmetric three-plug surface plug

Also Published As

Publication number Publication date
EP0405337A2 (en) 1991-01-02
EP0405337A3 (en) 1991-05-29
ZA905004B (en) 1991-03-27
ATE99083T1 (en) 1994-01-15
DE59003940D1 (en) 1994-02-03
DD295959A5 (en) 1991-11-14
ES2047207T3 (en) 1994-02-16

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