EP0270480A2 - Appareil pour le raccordement d'âmes de câble au contacts tranchants et serrants de blocs de connexion "drop wire" de télécommunications - Google Patents

Appareil pour le raccordement d'âmes de câble au contacts tranchants et serrants de blocs de connexion "drop wire" de télécommunications Download PDF

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Publication number
EP0270480A2
EP0270480A2 EP87730134A EP87730134A EP0270480A2 EP 0270480 A2 EP0270480 A2 EP 0270480A2 EP 87730134 A EP87730134 A EP 87730134A EP 87730134 A EP87730134 A EP 87730134A EP 0270480 A2 EP0270480 A2 EP 0270480A2
Authority
EP
European Patent Office
Prior art keywords
dropwire
tool
insulation displacement
cable cores
connection
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
EP87730134A
Other languages
German (de)
English (en)
Other versions
EP0270480A3 (en
EP0270480B1 (fr
Inventor
Dieter Gerke
Lutz Biederstedt
Eberhard Klaiber
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.)
TE Connectivity Germany 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
Priority claimed from DE19863641366 external-priority patent/DE3641366C1/de
Priority claimed from DE3641367A external-priority patent/DE3641367C1/de
Application filed by Krone GmbH filed Critical Krone GmbH
Priority to AT87730134T priority Critical patent/ATE104477T1/de
Publication of EP0270480A2 publication Critical patent/EP0270480A2/fr
Publication of EP0270480A3 publication Critical patent/EP0270480A3/de
Application granted granted Critical
Publication of EP0270480B1 publication Critical patent/EP0270480B1/fr
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
    • H01R43/00—Apparatus or processes specially adapted for manufacturing, assembling, maintaining, or repairing of line connectors or current collectors or for joining electric conductors
    • 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
    • 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
    • H01R4/242—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 being plates having a single slot
    • H01R4/2425—Flat plates, e.g. multi-layered flat plates
    • H01R4/2429—Flat plates, e.g. multi-layered flat plates mounted in an insulating base

Definitions

  • the invention relates to a device for connecting cable wires to insulation displacement contacts of Dropwire connection strips of telecommunications technology according to the preamble of claim 1.
  • a press-in tool of the generic type is previously known from DE 35 22 131. This consists of a shaft with a handle part as an actuating surface at one end and with guide and insertion bars at the other end for pressing the cable wires into the insulation displacement connection contacts of the Dropwire connection strip.
  • a pre-cutting device is attached to the shaft of the insertion tool, which consists of a U-shaped lever and two on the inside its two side surfaces arranged arcuate cutting knives.
  • the Dropwire cable cores are inserted at two opposite points in the intended contact area by means of the curved cutting blades cut and inserted into the respective insulation displacement contacts of the Dropwire terminal block after this incision.
  • the press-in then takes place by means of the press-in webs which are adapted to the shape of the insulation displacement contact.
  • the aforementioned Dropwire connection strips are previously known from DE-GM 8121 721.
  • the distances between the clamping ribs are designed for the thick insulating sheaths of the drop wire cables. This means that the clamping ribs cannot reliably grasp thin cable cores that are pressed into the insulation displacement contacts of the Dropwire terminal block using the insertion tool. It has consequently been found that the thin cable cores can come loose from the insulation displacement contacts of the Dropwire connection strips when vibrations acting on the Dropwire connection strips, since the relatively thin insulating sleeve of the thin cable cores is not reliably gripped by the clamping ribs of the Dropwire connection strip.
  • the invention is therefore based on the object of providing a technically simple device of the generic type, with which thick Dropwire cable wires are connected to the insulation displacement contacts arranged in the Dropwire terminal strips in one work step and thin cable cores can be securely fixed in Dropwire connection strips.
  • the insertion tool according to the invention is a simple and inexpensive component, in particular made of plastic, which enables the connection of Dropwire cable cores to the insulation displacement contacts of a Dropwire terminal block in a single step and further ensures the definition of thin cable cores in Dropwire connection strips.
  • the high insertion forces that occur due to the thick insulating sheaths of the Dropwire cable wires are overcome by easy-to-apply impact or lever forces that are exerted on the attacking body, which is immediately attached connects the guide and indentation bars of the indentation tool.
  • the insertion tool has a guide groove on the top of its engagement body for supporting the lever tool, in particular a screwdriver.
  • the tip of the screwdriver engages under a scraping edge that runs a short distance above the switching side of the Dropwire terminal block and across the guide groove of the insertion tool.
  • the press-in tool consists in particular of an impact-resistant plastic which is inexpensive to produce by injection molding. This means that a press-in tool can always be present on each Dropwire connection strip by being attached to the Dropwire connection strip by means of a cord or the like.
  • the insertion tool according to the invention can also serve as a locking plug for holding thin cable cores in the Dropwire connection strips.
  • the plastic locking tool forming a locking plug according to claim 5 thin cable wires can be pressed into the insulation displacement contacts of Dropwire connection strips and, on the other hand, can be securely held in the Dropwire connection strips, since the insertion tool remains as a locking plug in the Dropwire connection strip.
  • As a receptacle for the thin cable cores are on the Underside of the insertion webs of the insertion tool retaining ribs are formed.
  • the press-in webs of the press-in tool are formed from two latchable half-shells connected by a film hinge, on the inner sides of which a groove-like insertion channel forming the receptacle for the thin cable wire is formed.
  • the thin cable core is inserted into the unfolded half shells and fixed between them when the half shells are folded together. After the insertion tool designed in this way has been pressed into the Dropwire connection strip, the thin cable core is securely fixed.
  • a particularly important advantage of the push-in tool according to the invention, which forms a locking plug, is that the thin cable core is centered by the push-in tool when it is introduced into the Dropwire terminal strip, so that a secure contact connection between the thin cable core and the insulation displacement contact of the Dropwire terminal strip is ensured. It is also particularly advantageous that the thin cable core can also be pulled out when the lock plug is pulled out.
  • the invention is explained in more detail below on the basis of an exemplary embodiment of a device for connecting cable cores to Dropwire connection strips and a plurality of insertion tools that can be used in connection with this device.
  • the cable cores 8 form so-called drop wire cable cores with an insulating sleeve that is thick in relation to the core cross section.
  • the cable cores 29 are so-called thin cable cores which are to be connected to Dropwire connection strips 2 provided for Dropwire cable cores 8.
  • the device comprises a support plate 1 with a terminal strip 2 fastened thereon by means of screw or snap-in connections, an indenting mechanism Stuff 3, 20, 21 and a lever tool in the form of a screwdriver 4.
  • the support plate 1 made of a metallic material or high-strength plastic comprises a flat base plate 5, on which the Dropwire connection strip 2 is mounted, and one on one side of the Dropwire connection strip 2 adjoining rear wall 6, the upwardly projecting longitudinal side of which is bent in a U-shape to form a supporting edge 7 which runs along the longitudinal axis of the Dropwire connecting strip 2 above its switching side.
  • the Dropwire terminal block 2 shown in Fig. 1 comprises ten slot chambers 18 arranged in a row, in which insulation displacement contacts, not shown, are arranged.
  • Each slot chamber 18 is provided on the front side of the Dropwire connection strip 2 with a V-shaped clamping slot 17, the sides of which are formed by clamping ribs 19 provided with inclined clamping surfaces.
  • insulation displacement contacts are arranged in a manner not shown, known from DE 34 15 369, to which Dropwire cable cores 8 with a particularly thick insulating sleeve or thin cable cores 29 are to be connected.
  • the pressing tool 3 shown in FIG. 3 is provided for pressing the cable wires 8, 29 into the insulation displacement contacts.
  • This consists of the guide and insertion webs 9, 10 and egg adapted to the shape of the insulation displacement contacts and the slot chambers 18 of the Dropwire terminal block 2 Nem immediately above this adjoining attack body 11, in particular for an impact or lever tool, in particular for a screwdriver 4.
  • the outer contour of the insertion and guide webs 9, 10 is of the same shape as the inner contours of the slot chambers 18 provided in the Dropwire connection strip 2, in which the insulation displacement contacts are arranged.
  • a slot 12 is provided between the insertion webs 10, into which the insulation displacement contact engages when the cable core 8, 29 is pressed in.
  • the attack body 11 has on two opposite end faces a plurality of gripping grooves 13 which support the pulling out of the insertion tool 3 from the terminal block 2 by hand or which serve to press in the insertion tool 20, 21 when connecting thin cable wires 29.
  • a through hole 14 for fastening the insertion tool 3 by means of a cord 15 or the like to the Dropwire connection strip 2 runs across the attack body 11.
  • a guide groove 16 for the lever tool in the form of the screwdriver 4 is formed on the upper side of the attack body 11.
  • the Dropwire cable wire 8 is placed over the clamping slot 17 of a slot chamber 18 with an associated insulation displacement contact.
  • the insertion tool 3 is inserted into the slot chamber 18 of the clamping slot 17.
  • the Dropwire cable core 8 is now ready to be pressed into the slot chamber 18 above the clamping slot 17.
  • the screwdriver is inserted with its shaft into the guide groove 16 of the pressing tool 3 as a lever tool according to FIG. 2, the screwdriver 4 with its tip on the supporting edge 7 of the support plate 1 supports. Under the action of the screwdriver 4 as a lever, the drop wire cable wire 8 is thus pressed through the slot chamber 18 into the clamping slot 17 of the insulation displacement contact of the terminal block 2 in a single operation.
  • the insertion tool 3 is then pulled out again by hand in order to be used to connect a further Dropwire cable core 8.
  • the distance between the clamping rib 19 of a clamping slot 17 of the Dropwire terminal block 2 is designed to hold drop wires 8, which are provided with a relatively thick insulating sleeve around the cable core.
  • the insertion tool 3 is designed as a locking plug 20, 21 made of plastic.
  • the underside of such a closing plug 20 in the second embodiment of the insertion tool according to FIG. 3 is shown in more detail in FIG. 4.
  • the locking plug 20 comprises the guide web 9 for engaging in the T-shaped slot chamber 18 of the Dropwire connection strip 2 and two insertion webs 10, between which the slot 12 for receiving the insulation displacement contact, not shown, is recessed when the closing plug 20 is pressed into the slot chamber 18 of the terminal block 2.
  • the closing plug 20 is provided on the underside of its push-in webs 10 with a receptacle for a thin cable wire 29, the receptacle being formed from holding ribs 28 between which the thin cable wire 29 is pressed in when wiring, so that the thin cable wire 29 when the closing plug is pressed in 20 is centered in the slot chamber 18 of the Dropwire connector block 2.
  • the locking plug 20 can be pressed into the slot chamber 18 of the Dropwire connection strip 2 by hand with a thin cable wire 29 and remains in the chamber 18.
  • FIG. 5 shows the third exemplary embodiment of the push-in tool 3 shown in FIG. 3, which is designed here as a locking plug 21.
  • the two push-in webs 30, which enclose the slot 12 for the insulation displacement contact are made of two half-shells connected by a film hinge 31 32 formed, of which a half-shell 32 is fixedly connected to the guide web 9.
  • a groove-like insertion channel 33, which forms the receptacle for the thin cable core 29, is formed on the inner sides of the half-shells 32.
  • the thin cable core 29 is at opened half-shells 32 inserted into a groove of the insertion channel 33 and fixed in the insertion channel 33 after the closing of the half-shells 32.

Landscapes

  • Engineering & Computer Science (AREA)
  • Manufacturing & Machinery (AREA)
  • Manufacturing Of Electrical Connectors (AREA)
  • Connections By Means Of Piercing Elements, Nuts, Or Screws (AREA)
  • Multi-Conductor Connections (AREA)
  • Connector Housings Or Holding Contact Members (AREA)
  • Coupling Device And Connection With Printed Circuit (AREA)
  • Communication Cables (AREA)
  • Details Of Connecting Devices For Male And Female Coupling (AREA)
EP87730134A 1986-12-03 1987-10-27 Appareil pour le raccordement d'âmes de câble au contacts tranchants et serrants de blocs de connexion "drop wire" de télécommunications Expired - Lifetime EP0270480B1 (fr)

Priority Applications (1)

Application Number Priority Date Filing Date Title
AT87730134T ATE104477T1 (de) 1986-12-03 1987-10-27 Vorrichtung zum anschliessen von kabeladern an schneidklemmkontakten von dropwireanschlussleisten der fernmeldetechnik.

Applications Claiming Priority (4)

Application Number Priority Date Filing Date Title
DE3641367 1986-12-03
DE19863641366 DE3641366C1 (en) 1986-12-03 1986-12-03 Device for connecting thin cable wires to drop-wire connecting strips
DE3641366 1986-12-03
DE3641367A DE3641367C1 (en) 1986-12-03 1986-12-03 Device for connecting drop-wire cable cores

Related Child Applications (1)

Application Number Title Priority Date Filing Date
EP93112523.1 Division-Into 1987-10-27

Publications (3)

Publication Number Publication Date
EP0270480A2 true EP0270480A2 (fr) 1988-06-08
EP0270480A3 EP0270480A3 (en) 1989-09-06
EP0270480B1 EP0270480B1 (fr) 1994-04-13

Family

ID=25849999

Family Applications (1)

Application Number Title Priority Date Filing Date
EP87730134A Expired - Lifetime EP0270480B1 (fr) 1986-12-03 1987-10-27 Appareil pour le raccordement d'âmes de câble au contacts tranchants et serrants de blocs de connexion "drop wire" de télécommunications

Country Status (18)

Country Link
US (1) US4822300A (fr)
EP (1) EP0270480B1 (fr)
KR (1) KR880008475A (fr)
CN (1) CN1024606C (fr)
AU (1) AU602739B2 (fr)
BR (1) BR8706534A (fr)
CA (1) CA1307101C (fr)
DE (1) DE3789607D1 (fr)
DK (1) DK632987A (fr)
EG (1) EG18486A (fr)
ES (1) ES2054698T3 (fr)
FI (1) FI93157C (fr)
HK (1) HK60994A (fr)
IL (1) IL84501A (fr)
IN (1) IN168989B (fr)
MX (1) MX166410B (fr)
NO (1) NO172827C (fr)
PT (1) PT86272B (fr)

Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
AU602739B2 (en) * 1986-12-03 1990-10-25 Krone Aktiengesellschaft Device for connecting cable wires to cutting/clamping contacts of dropwire connector banks of telecommunication systems
FR2722033A1 (fr) * 1994-07-04 1996-01-05 Entrelec Sa Module de raccordement electrique a piece de connexion du type a fente de retenue de fil dotee d'une embouchure denudante
DE102011116108B3 (de) * 2011-10-15 2013-03-21 Tyco Electronics Services Gmbh Verteilerleiste und Verfahren zur Herstellung einer solchen Verteilerleiste

Families Citing this family (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE3639793C1 (de) * 1986-11-21 1988-02-04 Krone Ag Kabelmuffe,insbesondere Dropwire-Kabelmuffe fuer Doppelader-Dropwirekabel
US5295857A (en) * 1992-12-23 1994-03-22 Toly Elde V Electrical connector with improved wire termination system
WO2006120373A2 (fr) * 2005-05-10 2006-11-16 Tyco Electronics Raychem Sa Connecteur de fil electrique
CN101413979B (zh) * 2007-10-15 2011-09-28 韩国电力公社 携带式电缆的时效变化诊断装置

Family Cites Families (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3848954A (en) * 1973-06-06 1974-11-19 Reliable Electric Co Clip terminal and applicator tool combination
US3868161A (en) * 1973-10-01 1975-02-25 Amp Inc Electrical component
FR2408923A1 (fr) * 1977-09-21 1979-06-08 Alsthom Cgee Borne a raccordement rapide
DE8121721U1 (de) * 1981-07-24 1981-11-26 Krone Gmbh, 1000 Berlin Endverzweiger für Fernmeldekabel, insbesondere für Freiluftkabel (Dropwire-Kabel)
DE3522131A1 (de) * 1985-06-18 1986-12-18 Krone Gmbh, 1000 Berlin Verfahren und vorrichtung zum anschliessen und verbinden von kabeladern
FR2584538B1 (fr) * 1985-07-02 1987-09-25 Alsthom Cgee Agencement de connexion auto-denudant encastre pour appareillage electrique et outil de connexion pour un tel agencement
EP0270480B1 (fr) * 1986-12-03 1994-04-13 KRONE Aktiengesellschaft Appareil pour le raccordement d'âmes de câble au contacts tranchants et serrants de blocs de connexion "drop wire" de télécommunications

Cited By (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
AU602739B2 (en) * 1986-12-03 1990-10-25 Krone Aktiengesellschaft Device for connecting cable wires to cutting/clamping contacts of dropwire connector banks of telecommunication systems
FR2722033A1 (fr) * 1994-07-04 1996-01-05 Entrelec Sa Module de raccordement electrique a piece de connexion du type a fente de retenue de fil dotee d'une embouchure denudante
EP0691706A1 (fr) * 1994-07-04 1996-01-10 Entrelec Sa Module de raccordement électrique à pièce de connexion du type à fente de retenue de fil dotée d'une embouchure dénudante
US5622517A (en) * 1994-07-04 1997-04-22 Entrelec S.A. Electrical connection module containing a connector part of the type having a wire-retaining slot provided with an insulation-displacement inlet
DE102011116108B3 (de) * 2011-10-15 2013-03-21 Tyco Electronics Services Gmbh Verteilerleiste und Verfahren zur Herstellung einer solchen Verteilerleiste

Also Published As

Publication number Publication date
FI875314A7 (fi) 1988-06-04
CA1307101C (fr) 1992-09-08
CN87107287A (zh) 1988-06-22
FI875314A0 (fi) 1987-12-02
KR880008475A (ko) 1988-08-31
ES2054698T3 (es) 1994-08-16
IL84501A (en) 1991-06-30
DK632987D0 (da) 1987-12-02
DK632987A (da) 1988-06-04
BR8706534A (pt) 1988-07-12
EP0270480A3 (en) 1989-09-06
IL84501A0 (en) 1988-04-29
PT86272B (pt) 1994-01-31
FI93157C (fi) 1995-02-27
IN168989B (fr) 1991-08-03
NO875030D0 (no) 1987-12-02
CN1024606C (zh) 1994-05-18
HK60994A (en) 1994-07-01
AU602739B2 (en) 1990-10-25
EP0270480B1 (fr) 1994-04-13
NO172827C (no) 1993-09-08
DE3789607D1 (de) 1994-05-19
US4822300A (en) 1989-04-18
FI93157B (fi) 1994-11-15
PT86272A (pt) 1989-01-17
NO172827B (no) 1993-06-01
AU8199887A (en) 1988-06-09
EG18486A (en) 1993-06-30
NO875030L (no) 1988-06-06
MX166410B (es) 1993-01-07

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