EP0517937B1 - Boîtier modulaire avec dispositif anti-arrachement de fil - Google Patents

Boîtier modulaire avec dispositif anti-arrachement de fil Download PDF

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Publication number
EP0517937B1
EP0517937B1 EP91109526A EP91109526A EP0517937B1 EP 0517937 B1 EP0517937 B1 EP 0517937B1 EP 91109526 A EP91109526 A EP 91109526A EP 91109526 A EP91109526 A EP 91109526A EP 0517937 B1 EP0517937 B1 EP 0517937B1
Authority
EP
European Patent Office
Prior art keywords
clamping
moulded component
walls
behind
molded part
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
EP91109526A
Other languages
German (de)
English (en)
Other versions
EP0517937A1 (fr
Inventor
Evi Halbinger
Herbert Neburg
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
Priority to ES91109526T priority Critical patent/ES2064810T3/es
Priority to AT91109526T priority patent/ATE114879T1/de
Priority to DK91109526.3T priority patent/DK0517937T3/da
Priority to EP91109526A priority patent/EP0517937B1/fr
Priority to DE59103703T priority patent/DE59103703D1/de
Application filed by Siemens AG filed Critical Siemens AG
Priority to US07/895,891 priority patent/US5314352A/en
Priority to PT100577A priority patent/PT100577A/pt
Publication of EP0517937A1 publication Critical patent/EP0517937A1/fr
Application granted granted Critical
Publication of EP0517937B1 publication Critical patent/EP0517937B1/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
    • H01R13/00—Details of coupling devices of the kinds covered by groups H01R12/70 or H01R24/00 - H01R33/00
    • H01R13/58—Means for relieving strain on wire connection, e.g. cord grip, for avoiding loosening of connections between wires and terminals within a coupling device terminating a cable
    • H01R13/585—Grip increasing with strain force

Definitions

  • the invention relates to an installation housing which is closed by a cover and is provided with a strain relief at a cable entry opening.
  • Installation housings such as those used for miniature circuit breakers and residual current circuit breakers or for other devices that can be arranged on mounting rails, are usually riveted or screwed together.
  • installation housings for devices in building system technology one would also like to provide strain relief means for cables to be introduced, in order to relieve cables at terminals, as are common in general installation technology, against train. At the same time, one wants to save space and get by with thin housing walls for economic reasons. Conventional strain relief devices cannot then be attached.
  • the invention has for its object to develop an installation housing, which is closed by a lid and provided with strain relief, which is particularly economical to manufacture and assemble.
  • the described object is achieved by an installation housing according to claim 1.
  • the installation housing in particular for building system technology, has a molded part with at least one clamping lip between walls that may not be sufficiently connected, which part can be inserted between the walls.
  • at least one clamping plane in which opposing gripping tabs of the walls are clamped by the arms of the molded part engaging behind them the molded part is secured against tilting by means of guides on the molded part and walls.
  • it fulfills three functions, namely tensioning, jamming a line and guiding against tilting. Tensioning eliminates the need for conventional tensioning devices such as rivets, screw connections or gluing in this area.
  • the molded part can only be used with the intention of bracing a housing with its cover without providing strain relief.
  • the molded part can then be made correspondingly simplified.
  • the molded part forms gripping edges or knobs on an externally accessible side in order to make it easier to release by hand. It is also advantageous to make recesses or support ribs for tools, such as screwdrivers, on which the molded part can be gripped and lifted.
  • the engaging arms of the molded part can be designed in a simple manner in the manner of tongue and groove for a connection.
  • the installation housing 1 according to FIG. 1 is closed by a cover 2.
  • a molded part 3 is inserted between the side walls and forms a clamping lip 4 for clamping a line 5 to counter-clamping areas 6.
  • the molded part 3 has a clamping plane in which opposite gripping tabs 7 of the walls are clamped by the arms 8 of the molded part engaging behind them.
  • One cf. Figure 2. By guide means 9 on molded part 3 and walls of the installation housing, cf. Figures 3 and 6, the molded part 3 is secured against tilting.
  • gripping edges 10 are formed on one side of the molded part 3 that is accessible from the outside.
  • gripping edges 10 are formed on one side of the molded part 3 that is accessible from the outside.
  • the molded part 3 can be gripped behind with a tool in the manner of a screwdriver 13 and lifted out or levered out under support on housing edges.
  • the engaging arms 8 of the molded part 3 are designed in a particularly simple manner in the exemplary embodiment for a tongue-and-groove connection, the side walls of the housing, or the cover of the housing, forming U-shaped gripping tabs 7.
  • the guide means 9 on the molded part 3 are each advantageously designed as resilient arms with snap hooks 14 according to FIGS. 3 and 4 in such a way that they can lock behind a knob in the guide means in the wall.
  • the molded part 3 is then secured against being pulled off; however, it is releasable if the spring force is overcome.
  • the molded part 3 is seated in front of a clamp body 15 with clamps for connecting conductors. Screwless clamps which can be opened by means of opening members 16 are expediently used.

Landscapes

  • Installation Of Indoor Wiring (AREA)
  • Casings For Electric Apparatus (AREA)
  • Connection Of Plates (AREA)
  • Insertion, Bundling And Securing Of Wires For Electric Apparatuses (AREA)
  • Details Of Connecting Devices For Male And Female Coupling (AREA)
  • Clamps And Clips (AREA)
  • Connection Or Junction Boxes (AREA)
  • Connector Housings Or Holding Contact Members (AREA)

Claims (5)

  1. Boîtier pour installation électrique (1), qui est fermé par un couvercle (2) et est équipé d'un dispositif de détente de traction disposé au niveau d'une ouverture d'introduction de conducteurs, notamment dans la technique des systèmes de construction de bâtiments, et dans lequel entre des parois éventuellement non reliées d'une manière suffisante peut être insérée une pièce conformée (3), qui forme au moins une lèvre de serrage (4) servant à coincer un conducteur (5) contre des zones antagonistes de serrage (6) et qui est bloqué contre tout basculement par des moyens de guidage (9) sur la pièce de forme (3) et sur des parois, au moins dans un plan de serrage, dans lequel des pattes d'accrochage opposées (7) des parois sont serrées par des bras (8) de la pièce de forme (3), qui s'engagent derrière ces pattes.
  2. Boîtier pour installation électrique suivant la revendication 1, caractérisé par le fait qu'un côté, accessible de l'extérieur, de la pièce conformée (3) forme des arêtes d'accrochage ou des boutons (10) ou des boutons d'accrochage.
  3. Boîtier pour installation électrique suivant la revendication 1, caractérisé par le fait qu'il est prévu des évidements (11) ou des nervures d'appui (12), derrière lesquels on peut engager un tournevis (13) pour retirer la pièce conformée (3).
  4. Boîtier pour installation électrique suivant la revendication 1, caractérisé par le fait que les bras (8), qui s'engagent derrière les pattes d'accrochage, de la pièce conformée (3) sont réalisés de manière à établir une liaison du type à rainure et languette.
  5. Boîtier pour installation électrique suivant la revendication 1, caractérisé par le fait que les moyens de guidage (9) présents sur la pièce conformée (3) forment respectivement un bras élastique comportant des crochets d'encliquetage (14), qui peuvent s'encliqueter derrière un ergot dans les moyens de guidage de la paroi.
EP91109526A 1991-06-11 1991-06-11 Boîtier modulaire avec dispositif anti-arrachement de fil Expired - Lifetime EP0517937B1 (fr)

Priority Applications (7)

Application Number Priority Date Filing Date Title
AT91109526T ATE114879T1 (de) 1991-06-11 1991-06-11 Installationsgehäuse mit drahtzugentlastung.
DK91109526.3T DK0517937T3 (da) 1991-06-11 1991-06-11 Installationshus med trådtrækaflastning
EP91109526A EP0517937B1 (fr) 1991-06-11 1991-06-11 Boîtier modulaire avec dispositif anti-arrachement de fil
DE59103703T DE59103703D1 (de) 1991-06-11 1991-06-11 Installationsgehäuse mit Drahtzugentlastung.
ES91109526T ES2064810T3 (es) 1991-06-11 1991-06-11 Caja de instalacion con dispositivo de contratraccion del cable.
US07/895,891 US5314352A (en) 1991-06-11 1992-06-09 Strain relief wiring housing assembly
PT100577A PT100577A (pt) 1991-06-11 1992-06-09 Caixa para instalacoes electricas

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
EP91109526A EP0517937B1 (fr) 1991-06-11 1991-06-11 Boîtier modulaire avec dispositif anti-arrachement de fil

Publications (2)

Publication Number Publication Date
EP0517937A1 EP0517937A1 (fr) 1992-12-16
EP0517937B1 true EP0517937B1 (fr) 1994-11-30

Family

ID=8206815

Family Applications (1)

Application Number Title Priority Date Filing Date
EP91109526A Expired - Lifetime EP0517937B1 (fr) 1991-06-11 1991-06-11 Boîtier modulaire avec dispositif anti-arrachement de fil

Country Status (7)

Country Link
US (1) US5314352A (fr)
EP (1) EP0517937B1 (fr)
AT (1) ATE114879T1 (fr)
DE (1) DE59103703D1 (fr)
DK (1) DK0517937T3 (fr)
ES (1) ES2064810T3 (fr)
PT (1) PT100577A (fr)

Families Citing this family (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US5744754A (en) * 1997-03-05 1998-04-28 Hubbell Incorporated Electrical receptacle incorporating integral electrical wire strain relief arrangement
JP3371842B2 (ja) * 1999-02-23 2003-01-27 住友電装株式会社 圧接型防水コネクタ及びその製造方法

Family Cites Families (11)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE1178129B (de) * 1961-02-16 1964-09-17 Siemens Ag Anordnung eines Fehlerstromschutzschalters mit ungeschuetzten Klemmen in einem geschlossenen Gehaeuse
JPS5724032Y2 (fr) * 1977-01-26 1982-05-25
DE3110144C2 (de) * 1981-03-16 1983-05-19 Minnesota Mining and Manufacturing Co., 55133 Saint Paul, Minn. Zugentlastung elektrischer Leiter in einem elektrischen Verbinder für nicht abisolierte Leiter
US4749370A (en) * 1982-09-02 1988-06-07 Amp Incorporated Cable clamp for an electrical connector
US4516822A (en) * 1984-02-27 1985-05-14 Amp Incorporated Round cable adaptor for modular plug
FR2575868B1 (fr) * 1985-01-10 1987-04-17 Merlin Gerin Cache-bornes pour appareil electrique modulaire
FR2580860B1 (fr) * 1985-04-17 1987-05-22 Merlin Gerin Cache-borne pour un appareil electrique basse tension a boitier isolant modulaire
US4749369A (en) * 1987-03-13 1988-06-07 Wang Shun H Connector
US4816619A (en) * 1988-06-29 1989-03-28 Ncr Corporation Passive strain relief apparatus
DE3842058A1 (de) * 1988-12-14 1990-06-28 Asea Brown Boveri Elektrisches schaltgeraet mit einem elektromagnetischen schalterantrieb
US5021610A (en) * 1990-01-04 1991-06-04 Square D Company Strain relief connection

Also Published As

Publication number Publication date
EP0517937A1 (fr) 1992-12-16
DK0517937T3 (da) 1995-05-15
DE59103703D1 (de) 1995-01-12
ATE114879T1 (de) 1994-12-15
ES2064810T3 (es) 1995-02-01
PT100577A (pt) 1994-05-31
US5314352A (en) 1994-05-24

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