EP0106768B1 - Dispositif de connexion pour conducteur électrique - Google Patents

Dispositif de connexion pour conducteur électrique Download PDF

Info

Publication number
EP0106768B1
EP0106768B1 EP83402006A EP83402006A EP0106768B1 EP 0106768 B1 EP0106768 B1 EP 0106768B1 EP 83402006 A EP83402006 A EP 83402006A EP 83402006 A EP83402006 A EP 83402006A EP 0106768 B1 EP0106768 B1 EP 0106768B1
Authority
EP
European Patent Office
Prior art keywords
plane
conductor
tongue
return portion
jamming
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
Application number
EP83402006A
Other languages
German (de)
English (en)
French (fr)
Other versions
EP0106768A1 (fr
Inventor
Pierre Hardouin
Félix Lameyre
Claude Paris
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.)
Telemecanique SA
Original Assignee
La Telemecanique Electrique SA
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 La Telemecanique Electrique SA filed Critical La Telemecanique Electrique SA
Priority to AT83402006T priority Critical patent/ATE20989T1/de
Publication of EP0106768A1 publication Critical patent/EP0106768A1/fr
Application granted granted Critical
Publication of EP0106768B1 publication Critical patent/EP0106768B1/fr
Expired legal-status Critical Current

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Classifications

    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01R—ELECTRICALLY-CONDUCTIVE CONNECTIONS; STRUCTURAL ASSOCIATIONS OF A PLURALITY OF MUTUALLY-INSULATED ELECTRICAL CONNECTING ELEMENTS; COUPLING DEVICES; CURRENT COLLECTORS
    • 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
    • H01R4/28—Clamped connections, spring connections
    • H01R4/48—Clamped connections, spring connections utilising a spring, clip, or other resilient member
    • H01R4/4809—Clamped connections, spring connections utilising a spring, clip, or other resilient member using a leaf spring to bias the conductor toward the busbar
    • H01R4/48185—Clamped connections, spring connections utilising a spring, clip, or other resilient member using a leaf spring to bias the conductor toward the busbar adapted for axial insertion of a wire end
    • H01R4/4819—Clamped connections, spring connections utilising a spring, clip, or other resilient member using a leaf spring to bias the conductor toward the busbar adapted for axial insertion of a wire end the spring shape allowing insertion of the conductor end when the spring is unbiased
    • H01R4/4821—Single-blade spring
    • 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
    • H01R4/28—Clamped connections, spring connections
    • H01R4/48—Clamped connections, spring connections utilising a spring, clip, or other resilient member
    • H01R4/4809—Clamped connections, spring connections utilising a spring, clip, or other resilient member using a leaf spring to bias the conductor toward the busbar
    • H01R4/484—Spring housing details
    • H01R4/4842—Spring housing details the spring housing being provided with a single opening for insertion of a spring-activating tool
    • 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
    • H01R4/28—Clamped connections, spring connections
    • H01R4/48—Clamped connections, spring connections utilising a spring, clip, or other resilient member
    • H01R4/4809—Clamped connections, spring connections utilising a spring, clip, or other resilient member using a leaf spring to bias the conductor toward the busbar
    • H01R4/4846—Busbar details
    • H01R4/485—Single busbar common to multiple springs

Definitions

  • the present invention relates to a device which can be used for connecting an electric wire to an appliance or several wires between them.
  • Connection devices consist of a contact surface and a leaf spring, as disclosed in patent application DE 2724354.
  • One end of the blade is fixed and the other end rests on the surface of contact, so that the blade and the contact surface make an acute angle.
  • An electric wire inserted in the acute angle between the blade and the contact surface is pressed against the surface of the blade.
  • its removal is prohibited by wedging between the blade and the surface.
  • such devices have the disadvantage of being difficult to handle and of requiring very great efforts when the section of the wire to be inserted is increased.
  • the elastic blade will ensure that the wire is anchored the less good the larger the diameter of the wire. Indeed, the larger the diameter, the more the blade comes into tangential contact with the wire and it is then easy to disconnect the wire by pulling on it.
  • connection device comprising a contact piece and a leaf spring anchored on the face of the contact piece opposite the contact surface.
  • the spring leaf also has, near its other end, a cut-out window, allowing the contact piece to pass between two lateral legs and the transverse portion of the window connecting the two legs wedges the conductive wire against the piece. of contact.
  • This device loses an important place of the available width to allow the passage of the legs of the leaf spring. Consequently, the cross section of the wires is quickly limited for a given width.
  • the main object of the invention is therefore to overcome these drawbacks and in particular to produce a connection device which, for the same given device width, makes it possible to connect wires of larger cross section, while ensuring a good wedging effect of the conductor on the contact part.
  • Another object of the invention is to provide a connection device making it possible to easily connect and disconnect the conductor by pivoting the blade by means of a tool such as a screwdriver, the tool being able to be introduced in a direction either substantially perpendicular, or substantially parallel to that of the conductor.
  • the connection device for an electrical conductor mounted in the housing of a housing, provided on a lateral face with at least one opening for introducing the electrical conductor and, at least one opening for introducing the tool comprises a contact piece fixed in the housing and means for elastically wedging an electrical conductor against the contact piece, as well as means for loosening the conductor, and is characterized in that the means for elastically wedging the conductor consist of a single tilting part comprising a support tab contained in a plane making an acute angle with the plane of the contact part and a return portion subject to an elastic force created by elastic means pressing on the face of the contact piece opposite to that on which the tongue rests, said return portion being contained in a plane adjacent to the contact piece, which is both perpendicular to the plane of the contact piece and parallel to the direction of introduction of the wire.
  • connection device shown in Figure 1 comprises a housing portion 2 of moldable and insulating material, provided with at least one opening 20 for introducing a conductive wire 4 and at least one opening 21 for introducing d 'a screwdriver.
  • This housing portion includes a housing for a contact piece 3 made of electrically conductive material, and another housing for a wedging piece 1 made of elastic material, such as for example spring steel.
  • the part 3 can be electrically connected to any part of any industrial or household electrical appliance, such as, for example, a circuit breaker, relay, contactor, etc., so that the device constitutes a connection terminal of the appliance .
  • the housing portion 2 is part of the housing of the device and constitutes a terminal cover cover.
  • the device is symmetrical with respect to the axis AA, and / or with respect to the plane of FIG. 5, so as to constitute a device for connecting several conductive wires together, as shown, for example, in Figures 3 and 5.
  • the open housing 2 will be completed by a cover which is not shown.
  • the part 3 comprises an anchoring means 30, constituted, for example, by a stud lodged in a hole 152 (FIG. 2) provided in the branch 150 of the elastic blade 15 shaped into a U, of which the other branch 151 is integral with the return portion 10 of the wedging part 1.
  • the part 3 also comprises means for hooking in the housing 2; these means are here produced by the tongues 31 (FIG. 4).
  • the wedging piece 1 of elastic material (Figure 2), here comprising an elastic blade 15 folded in a U shape, and the first branch 150 of which is anchored on the stud 30 by means of a bore 152, while the second branch 151 is secured, by a lateral side, to a plate portion 10, called the return portion.
  • the return portion is located in a plane perpendicular to the plane of the elastic U-shaped blade.
  • This return portion is extended at its part remote from the elastic blade by two ears 11, 14.
  • the first ear 11, once folded back a plane perpendicular to the plane of the return portion 10, constitutes a support tongue 111 whose main direction forms an acute angle with the direction of introduction of the wire 4.
  • This support tongue 111 is extended by a portion 110 which , once folded, is in a direction substantially parallel to the edge of the return portion opposite the edge secured to the elastic branch 151.
  • This portion 110 serves as a keying means to prevent a screwdriver from being inserted in the wrong place.
  • this portion 110 can also serve as a support for the free arm of the indentation 141, as shown in FIG. 3.
  • the second ear 14 is folded along a plane perpendicular to the portion 10, so as to form a profile in the form of an indentation 141.
  • the free branch of this profile can rest on the portion 110, to avoid any opening of the indentation under the action of the screwdriver.
  • This indentation 141 is extended by a tongue 140 of direction parallel to the portion 110.
  • This tongue 140 also acts as a keying means, to avoid the introduction of a screwdriver elsewhere than in the indentation 141.
  • the openings 21 are arranged so that the screwdriver can be inserted when the part 1 is in the working position, which corresponds to the largest section of the wire, or in the rest position.
  • Figure 3 shows a double connection device, obtained by symmetrical duplication with respect to the plane AA. This device is useful when
  • FIG. 3 we see a screwdriver 5 inserted in the indentation 141.
  • a rocking force is exerted according to the arrow F, so as to rock the piece 1 and to detach the support tongue 111 from the contact piece 3, to let the conductive wire 4 pass, provided with a tip and which is introduced along arrow D.
  • the wire has been sufficiently introduced and abuts against the indentation 141, the effort is released tilting F and the part 1, under the action of the elastic blade 15, tends to return to its rest position shown in FIG. 3.
  • the support tab 111 meets the end of the tip or of the exposed conductive wire.
  • the support tab clamps the wire against the contact piece, at an angle such that any attempt to withdraw the wire, by pulling on it, increases the jamming and results in failure.
  • FIG. 4 represents a perspective view of the part 1 and of the contact part.
  • This contact piece 3 has a width twice that of the tongues of the piece 1; it therefore allows the mounting face to face of two wedging pieces 1, as shown in FIG. 5. These wedging pieces 1 are mounted so that the return portions 10 are outside.
  • This contact piece comprises, in addition to the pins 30 not visible in this figure, two V-shaped grooves 32 transversely striated by ridges 33 to increase the anchoring of the wire.
  • the heads 31 can serve as a means of anchoring the part 3 in the housing and of a retaining stop for the return portion 10. With such a contact piece 3, a double connector as shown in FIG. 5 can easily be made by combining two pieces 1, allowing two wires to be connected to the same contact piece 3.
  • FIG. 6 represents an alternative embodiment of the device, in which the elastic branch 151 of the elastic blade 15 is secured, not to one end of the return plate 10, but to a longitudinal side of this plate (as shown in Figure 6), so as to increase the length of the elastic blade and its possibilities of bending and, consequently, the sections of the wires.
  • the return portion 10 is extended by a tongue 12, which, if it does not exceed the plane of the opening, will be actuated by a turn - screws. If the tongue 12 is made to exceed the plane of the opening 21, it will carry an insulating cap which will allow its direct actuation by the operator.
  • FIG. 7 and 8 show another variant of the connection device.
  • the single elastic wedging piece 1 is provided with a sleeve made of insulating material 16; this socket 16 is assembled by any suitable means to a tongue 142 obtained by folding the part 1 and it has a housing 160 of determined depth for the end of the screwdriver.
  • the part 1 is illustrated in its rest position in the absence of a conductor in FIG. 7 and in its position for loosening the conductor in FIG. 8.
  • Figures 9 and 10 are views similar to Figures 7 and 8 and show a connection device allowing an introduction of the tool in a direction substantially parallel to that of the conductor; this variant is particularly useful. on certain configurations of devices incorporating the connection device considered and requiring a frontal approach to both the tool and the conductor.
  • the insulating sleeve 16 is assembled like that of FIGS. 7 and 8 to the tongue 142 of the part 1.
  • the tongue 142 for retaining the sleeve can of course be located in other places of the part 1.
  • the ear 14 and its indentation 141 of abutment for the tool are provided and shaped to allow an introduction of the tool in a direction approximately parallel to that of the conductor.
  • the part 1 has ears 14 and 17 shaped so as to allow the introduction of a tool blade, either in the indentation 141 of the ear 14, or in an indentation 171 of ear 17; the pivoting of the part 1 is obtained in the first case by the introduction of the tool into the opening 21a approximately orthogonally to the conductor, in the second case in the opening 21b approximately parallel to the conductor.

Landscapes

  • Connections By Means Of Piercing Elements, Nuts, Or Screws (AREA)
  • Coupling Device And Connection With Printed Circuit (AREA)
  • Connections Arranged To Contact A Plurality Of Conductors (AREA)
  • Details Of Connecting Devices For Male And Female Coupling (AREA)
  • Cable Accessories (AREA)
  • Communication Cables (AREA)
  • Multi-Conductor Connections (AREA)
  • Electroluminescent Light Sources (AREA)
  • Connector Housings Or Holding Contact Members (AREA)
  • Insulated Conductors (AREA)
  • Connections Effected By Soldering, Adhesion, Or Permanent Deformation (AREA)
EP83402006A 1982-10-15 1983-10-14 Dispositif de connexion pour conducteur électrique Expired EP0106768B1 (fr)

Priority Applications (1)

Application Number Priority Date Filing Date Title
AT83402006T ATE20989T1 (de) 1982-10-15 1983-10-14 Verbindungsvorrichtung fuer einen elektrischen leiter.

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
FR8217256A FR2534744A1 (fr) 1982-10-15 1982-10-15 Dispositif de connexion pour conducteur electrique
FR8217256 1982-10-15

Publications (2)

Publication Number Publication Date
EP0106768A1 EP0106768A1 (fr) 1984-04-25
EP0106768B1 true EP0106768B1 (fr) 1986-07-23

Family

ID=9278290

Family Applications (1)

Application Number Title Priority Date Filing Date
EP83402006A Expired EP0106768B1 (fr) 1982-10-15 1983-10-14 Dispositif de connexion pour conducteur électrique

Country Status (15)

Country Link
US (1) US4576429A (no)
EP (1) EP0106768B1 (no)
JP (1) JPS5991677A (no)
AT (1) ATE20989T1 (no)
AU (1) AU572803B2 (no)
CA (1) CA1208731A (no)
DE (1) DE3364737D1 (no)
DK (1) DK156346C (no)
ES (1) ES284956Y (no)
FI (1) FI74558C (no)
FR (1) FR2534744A1 (no)
MX (1) MX157516A (no)
NO (1) NO161589C (no)
PT (1) PT77499B (no)
ZA (1) ZA837592B (no)

Families Citing this family (16)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR2534744A1 (fr) * 1982-10-15 1984-04-20 Telemecanique Electrique Dispositif de connexion pour conducteur electrique
FI93406C (fi) * 1986-07-16 1995-03-27 Siemens Ag Ruuviton liitoskiristin
NL9001191A (nl) * 1990-05-23 1991-12-16 Philips Nv Elektrisch verbindingsorgaan voor het aansluiten van een draadvormige elektrische geleider.
AU705380B2 (en) * 1990-06-21 1999-05-20 Dynedeem Limited Improvements in or relating to electrical connectors
GB9013869D0 (en) * 1990-06-21 1990-08-15 Toby Lane Limited Improvements in or relating to electrical connectors
DE4118473C2 (de) * 1990-09-06 1997-06-19 Bauscher Metalluk Steckkontaktklemme für eine Schaltungsplatte
US5186632A (en) * 1991-09-20 1993-02-16 International Business Machines Corporation Electronic device elastomeric mounting and interconnection technology
DE9415076U1 (de) * 1994-09-16 1995-10-12 Siemens AG, 80333 München Elektronisches Gerät, insbesondere Automatisierungsgerät
US6080008A (en) * 1998-05-28 2000-06-27 The Whitaker Corporation Push-wire contact
US6074241A (en) * 1998-06-05 2000-06-13 The Whitaker Corporation Non-slip spring clamp contact
US6729564B2 (en) 2000-07-21 2004-05-04 Bowles Fluidics Corporation Fluidic SPA Nozzles with dual operating modes and methods
DE20208724U1 (de) * 2002-06-04 2003-10-16 Weidmüller Interface GmbH & Co., 32760 Detmold Federklemme
JP5821003B2 (ja) * 2010-08-26 2015-11-24 パナソニックＩｐマネジメント株式会社 配線器具
FR2974678B1 (fr) * 2011-04-29 2013-10-11 Auxel Borne de connexion a ressort
US8864535B2 (en) * 2012-08-13 2014-10-21 Tyco Electronics Corporation Poke-in contact with multiple contact sections to accept and terminate a respective wire from varied directions
US9246242B2 (en) * 2012-09-05 2016-01-26 Hubbell Incorporated Push wire connector having a rotatable release member

Family Cites Families (8)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE1575118C3 (de) * 1951-01-28 1974-12-19 Elektrotechnische Industrie Gustav Giersiepen, 5608 Radevormwald Schraubenlose Anschlußklemme für elektrische Geräte
DE1290615B (de) * 1966-05-11 1969-03-13 Merten Elektrotechn Spezialfab Anschlussklemme, insbesondere fuer Installationsgeraete
FR2212074A5 (no) * 1972-12-21 1974-07-19 Itt Produits Ind
AU496055B2 (en) * 1975-01-30 1976-08-05 Hego Electric G.M.B.H. Screwless electrical terminal
IT1034781B (it) * 1975-04-02 1979-10-10 Bassani Spa Morsetto componibile epr morsettiere per derivazioni elettriche
FR2393448A1 (fr) * 1976-08-18 1978-12-29 Wago Kontakttechnik Gmbh Appareil electrique de branchement ou de connexion
JPS60747B2 (ja) * 1977-09-30 1985-01-10 松下電工株式会社 ネジ無し端子装置
FR2534744A1 (fr) * 1982-10-15 1984-04-20 Telemecanique Electrique Dispositif de connexion pour conducteur electrique

Also Published As

Publication number Publication date
US4576429A (en) 1986-03-18
DK473083D0 (da) 1983-10-13
DK156346B (da) 1984-04-16
EP0106768A1 (fr) 1984-04-25
NO161589C (no) 1989-09-06
FR2534744B1 (no) 1985-01-04
FR2534744A1 (fr) 1984-04-20
AU572803B2 (en) 1988-05-19
MX157516A (es) 1988-11-28
PT77499B (fr) 1986-02-14
NO161589B (no) 1989-05-22
FI74558B (fi) 1987-10-30
FI833727A (fi) 1984-04-16
DE3364737D1 (en) 1986-08-28
DK473083A (da) 1984-04-16
ES284956Y (es) 1986-08-01
ES284956U (es) 1986-01-01
DK156346C (da) 1990-01-02
JPS5991677A (ja) 1984-05-26
ATE20989T1 (de) 1986-08-15
ZA837592B (en) 1984-06-27
PT77499A (fr) 1983-11-01
AU2010583A (en) 1984-04-19
FI833727A0 (fi) 1983-10-13
NO833754L (no) 1984-04-16
CA1208731A (fr) 1986-07-29
FI74558C (fi) 1988-02-08

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