EP0024981B1 - Electrical clip and blade connections - Google Patents

Electrical clip and blade connections Download PDF

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Publication number
EP0024981B1
EP0024981B1 EP80401201A EP80401201A EP0024981B1 EP 0024981 B1 EP0024981 B1 EP 0024981B1 EP 80401201 A EP80401201 A EP 80401201A EP 80401201 A EP80401201 A EP 80401201A EP 0024981 B1 EP0024981 B1 EP 0024981B1
Authority
EP
European Patent Office
Prior art keywords
tongue
clip
female
male
orifice
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
EP80401201A
Other languages
German (de)
French (fr)
Other versions
EP0024981A1 (en
Inventor
Pierre Verin
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.)
PRONER SA ETS
Original Assignee
PRONER SA ETS
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 FR7921900 priority Critical
Priority to FR7921900A priority patent/FR2464572B1/fr
Application filed by PRONER SA ETS filed Critical PRONER SA ETS
Publication of EP0024981A1 publication Critical patent/EP0024981A1/en
Application granted granted Critical
Publication of EP0024981B1 publication Critical patent/EP0024981B1/en
Expired legal-status Critical Current

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Classifications

    • HELECTRICITY
    • H01BASIC ELECTRIC ELEMENTS
    • H01RELECTRICALLY-CONDUCTIVE CONNECTIONS; STRUCTURAL ASSOCIATIONS OF A PLURALITY OF MUTUALLY-INSULATED ELECTRICAL CONNECTING ELEMENTS; COUPLING DEVICES; CURRENT COLLECTORS
    • H01R13/00Details of coupling devices of the kinds covered by groups H01R12/70 or H01R24/00 - H01R33/00
    • H01R13/02Contact members
    • H01R13/10Sockets for co-operation with pins or blades
    • H01R13/11Resilient sockets
    • H01R13/115U-shaped sockets having inwardly bent legs, e.g. spade type
    • HELECTRICITY
    • H01BASIC ELECTRIC ELEMENTS
    • H01RELECTRICALLY-CONDUCTIVE CONNECTIONS; STRUCTURAL ASSOCIATIONS OF A PLURALITY OF MUTUALLY-INSULATED ELECTRICAL CONNECTING ELEMENTS; COUPLING DEVICES; CURRENT COLLECTORS
    • H01R13/00Details of coupling devices of the kinds covered by groups H01R12/70 or H01R24/00 - H01R33/00
    • H01R13/02Contact members
    • H01R13/20Pins, blades, or sockets shaped, or provided with separate member, to retain co-operating parts together
    • HELECTRICITY
    • H01BASIC ELECTRIC ELEMENTS
    • H01RELECTRICALLY-CONDUCTIVE CONNECTIONS; STRUCTURAL ASSOCIATIONS OF A PLURALITY OF MUTUALLY-INSULATED ELECTRICAL CONNECTING ELEMENTS; COUPLING DEVICES; CURRENT COLLECTORS
    • H01R13/00Details of coupling devices of the kinds covered by groups H01R12/70 or H01R24/00 - H01R33/00
    • H01R13/62Means for facilitating engagement or disengagement of coupling parts or for holding them in engagement
    • H01R13/629Additional means for facilitating engagement or disengagement of coupling parts, e.g. aligning or guiding means, levers, gas pressure electrical locking indicators, manufacturing tolerances
    • H01R13/633Additional means for facilitating engagement or disengagement of coupling parts, e.g. aligning or guiding means, levers, gas pressure electrical locking indicators, manufacturing tolerances for disengagement only

Description

  • La présente invention a pour objet un perfectionnement aux dispositifs de connexion électrique comportant une languette mâle de forme rectangulaire plate qui est introduite dans un clip femelle.The present invention relates to an improvement to electrical connection devices comprising a male tongue of flat rectangular shape which is inserted into a female clip.
  • Dans les dispositifs de ce type la languette comporte un orifice circulaire qui vient s'engager à force sur un têton porté par le clip femelle, ce qui permet le verrouillage de la connexion voir, par exemple, FR-A-1 278 140. Ce mode d'enfichage présente un double inconvénient: d'une part, l'effort de pression à exercer sur les parties mâle et femelle doit être suffisamment important pour que ladite partie femelle se déforme jusqu'à ce que le verrouillage ait lieu, ce qui rend parfois le montage difficile; d'autre part, il se produit souvent que la déformation du clip femelle est telle qu'elle demeure permanente dans une certaine mesure, de sorte qu'il peut se produire des déconnexions accidentelles. En plus, la déconnexion de ces dispositifs nécessite l'introduction dans le clip d'un outil pour déformer à nouveau celui-ci, ce qui aggrave d'autant la déformation de ce clip.In devices of this type, the tongue has a circular orifice which forcibly engages a stud carried by the female clip, which allows the connection to be locked, see, for example, FR-A-1 278 140. This method of insertion has a double disadvantage: firstly, the pressure force to be exerted on the male and female parts must be sufficiently great for said female part to deform until locking takes place, which sometimes makes editing difficult; on the other hand, it often happens that the deformation of the female clip is such that it remains permanent to a certain extent, so that accidental disconnections can occur. In addition, the disconnection of these devices requires the introduction into the clip of a tool to deform it again, which further aggravates the deformation of this clip.
  • La présente invention a pour objet un perfectionnement à ce type de dispositif permettant d'obtenir: un effort d'enfichage faible; une résistance à l'extraction élevée; et en plus une extraction volontaire facile.The subject of the present invention is an improvement to this type of device making it possible to obtain: a low plugging force; high resistance to extraction; and in addition an easy voluntary extraction.
  • La présente invention a pour objet un dispositif de connexion électrique comportant une languette mâle introduite dans un clip femelle, du type dans lequel le clip femelle a la forme générale d'un parallélépipède creux dont la paroi inférieure ou semelle comporte une languette élastique munie d'un ergot destiné à venir s'encastrer dans un orifice de forme correspondante de la languette mâle, dans lequel la languette élastique du clip femelle est articulée vers l'arrière, caractérisé en ce que la languette a son extrémité avant repliée vers le bas d'un angle d'environ 45°, et en ce que le dispositif comporte un capuchon isolant recouvrant le clip femelle, ce capuchon étant constitué par un manchon pouvant coulisser le long dudit clip, ledit manchon comportant à sa paroi inférieure une butée dont le rebord en plan incliné engage le rebord avant incliné de la languette du clip afin de faire plier celle-ci élastiquement vers le bas ce qui dégage l'ergot de l'orifice de la languette mâle;
    Selon d'autres caractéristiques preferées de l'invention:
    • - la languette élastique du clip comporte une petite languette repliée vers le bas en direction opposée du rebord avant de la languette élastique;
    • - la paroi supérieure du clip est constituée de deux parties symétriques reliées aux rebords fixes de la paroi inférieure par les parois latérales du clip;
    • - chacune des parties symétriques de la paroi supérieure comporte une portion bombée vers le bas.
    The present invention relates to an electrical connection device comprising a male tongue inserted into a female clip, of the type in which the female clip has the general shape of a hollow parallelepiped whose bottom wall or sole has an elastic tongue provided with a lug intended to come to be embedded in a correspondingly shaped orifice of the male tongue, in which the elastic tongue of the female clip is articulated towards the rear, characterized in that the tongue has its front end folded downwards an angle of about 45 °, and in that the device comprises an insulating cap covering the female clip, this cap being constituted by a sleeve which can slide along said clip, said sleeve comprising at its lower wall a stop whose rim in inclined plane engages the inclined front edge of the clip tongue in order to bend it elastically downwards which releases the lug from the orifice of the male tongue;
    According to other preferred characteristics of the invention:
    • - the elastic tongue of the clip has a small tongue folded down in the opposite direction from the front edge of the elastic tongue;
    • - The upper wall of the clip consists of two symmetrical parts connected to the fixed edges of the lower wall by the side walls of the clip;
    • - Each of the symmetrical parts of the upper wall has a curved downward portion.
  • A titre d'exemple non limitatif et pour faciliter la compréhension de l'invention on a représenté aux dessins annexés:
    • Figure 1, une vue par-dessous d'un mode de réalisation d'un clip femelle selon l'invention;
    • Figure 2, une vue en élévation latérale avec coupe partielle, selon B-B de la figure 4, du clip de la figure 1;
    • Figure 3, une vue en plan, par dessus, du clip des figures 1 et 2;
    • Figure 4, une vue de face du clip des figures 1 à 3;
    • Figure 5, une vue en coupe selon la ligne brisée A-A de la figure 2;
    • Figure 6, une vue partielle en coupe longitudinale d'une languette mâle normalisée;
    • Figure 7, une élévation latérale en coupe longitudinale d'un capuchon isolant destiné à recouvrir la connexion et à en faciliter la déconnexion;
    • Figure 8, une vue en plan et en coupe de la figure 7.
    By way of nonlimiting example and to facilitate understanding of the invention, the accompanying drawings show:
    • Figure 1, a view from below of an embodiment of a female clip according to the invention;
    • Figure 2, a side elevational view with partial section on BB of Figure 4, the clip of Figure 1;
    • Figure 3, a plan view, from above, of the clip of Figures 1 and 2;
    • Figure 4, a front view of the clip of Figures 1 to 3;
    • Figure 5, a sectional view along the broken line AA of Figure 2;
    • Figure 6, a partial view in longitudinal section of a standard male tongue;
    • Figure 7, a side elevation in longitudinal section of an insulating cap intended to cover the connection and to facilitate disconnection;
    • Figure 8, a plan and sectional view of Figure 7.
  • En se reportant à ces dessins, on voit que la figure 6 représente de façon partielle la partie mâle du dispositif de connexion qui comporte une languette 1 plate et rectangulaire, munie d'un orifice central 2. D'une façon connue et non représentée, cette languette est fixée à la partie conductrice d'un conducteur par une cosse sertie et à l'isolant qui enrobe ce conducteur par une pince sertie sur cet isolant. Cette languette mâle est de type connu et ses dimensions sont définies par une norme.Referring to these drawings, it can be seen that FIG. 6 partially represents the male part of the connection device which comprises a flat and rectangular tongue 1, provided with a central orifice 2. In a known manner and not shown, this tongue is fixed to the conductive part of a conductor by a crimped lug and to the insulator which coats this conductor by a clamp crimped onto this insulator. This male tab is of known type and its dimensions are defined by a standard.
  • Les figures 2 à 5 incluses représentent le clip femelle 3 qui a la forme générale d'un parallélépipède rectangle creux, de façon que la languette 1 puisse venir s'y insérer.Figures 2 to 5 inclusive show the female clip 3 which has the general shape of a hollow rectangular parallelepiped, so that the tongue 1 can be inserted therein.
  • Ce clip 3 comporte comme cela est connu une cosse 3a destinée à être sertie sur le conducteur et une pince 3b destinée à être sertie sur l'isolant.This clip 3 comprises, as is known, a terminal 3a intended to be crimped on the conductor and a clamp 3b intended to be crimped on the insulator.
  • La paroi inférieure ou semelle du parallélépipède comporte une découpe 4, en forme de U qui définit une languette centrale 5, deux rebords latéraux 6 et un rebord frontal 7. La languette 5 n'étant tenue que par un côté peut se déformer élastiquement tandis que les rebords 6 et 7 sont fixes. L'extrémité 5a de la languette est repliée vers le bas d'environ 45° et en arrière de ce pli est pratiquée une découpe 8 presque circulaire ayant un rayon légèrement inférieur à celui de l'orifice 2 de la languette 1.The bottom wall or sole of the parallelepiped has a cutout 4, in the shape of a U which defines a central tongue 5, two lateral edges 6 and a front edge 7. The tongue 5 being held only by one side can deform elastically while the edges 6 and 7 are fixed. The end 5a of the tongue is folded down about 45 ° and behind this fold is made an almost circular cut 8 having a radius slightly less than that of the orifice 2 of the tongue 1.
  • La matière de la languette 5 se trouvant à l'intérieur de la découpe 8 est légèrement pliée vers le haut de façon à former un ergot semi- circulaire 9 qui fait saillie à l'intérieur du volume parallélépipèdique creux du clip 3.The material of the tongue 5 located inside the cutout 8 is slightly bent upwards so as to form a semi-circular lug 9 which projects inside the hollow parallelepiped volume of the clip 3.
  • De préférence, une petite languette 10 est découpée dans la languette 5 et également repliée vers le bas en sens inverse du bec 5a de ladite languette 5.Preferably, a small tongue 10 is cut from the tongue 5 and also folded down in the opposite direction from the spout 5a of said tongue 5.
  • On voit donc qu'en exerçant une traction vers le bas soit sur le bec 5a, soit sur la languette, on abaisse élastiquement l'ensemble de la languette 5.It is therefore seen that by exerting a pull down either on the spout 5a or on the tongue, the assembly of the tongue 5 is lowered elastically.
  • La paroi supérieure ou couvercle du parallélépipède est en deux parties symétriques 11 séparées par une découpe 12. Les parois latérales 13 relient les parties 11 aux rebords 6 de la paroi inférieure. Ainsi le parallélépipède est formé en une feuille métallique en une seule pièce, repliée deux fois sur elle-même, de façon à comporter: une paroi inférieure ou semelle formée par les rebords 6 et 7, ainsi que la languette 5 (paroi inférieure reliée à la cosse 3a et à la pince 3b); deux parois latérales 13; et une paroi supérieure, formée de deux parties symétriques 11, qui butent l'une contre l'autre selon la ligne 12. Les deux parties 11 formant la paroi supérieure sont incurvées en leur partie centrale 11 a.The upper wall or cover of the parallelepiped is in two symmetrical parts 11 separated by a cutout 12. The side walls 13 connect the parts 11 to the flanges 6 of the lower wall. Thus the parallelepiped is formed in a metal sheet in a single piece, folded twice on itself, so as to comprise: a bottom wall or sole formed by the edges 6 and 7, as well as the tongue 5 (bottom wall connected to the terminal 3a and the clamp 3b); two side walls 13; and an upper wall, formed of two symmetrical parts 11, which abut one against the other along the line 12. The two parts 11 forming the upper wall are curved in their central part 11 a.
  • Le fonctionnement du dispositif de connexion ainsi décrit est le suivant: La languette mâle 1 est introduite dans le clip 3 par l'orifice 14 (figure 2) du parallélépipède creux. Les portions 1 1 de la paroi supérieure en deux parties 11 1 appuient cette languette 1 vers le bas et celle-ci appuie sur l'ergot 9 de la languette 5, ce qui fait plier cette dernière élastiquement vers le bas. Lorsque l'orifice 2 se trouve au-dessus de l'ergot 9, celui-ci pénètre dans l'orifice 2 et la languette 5 se redresse. La languette mâle 1 est alors élastiquement enserrée entre les parois incurvées 1 1 a et la semelle du clip 3 constituée par les rebords fixes 6 et 7 et la languette mobile 5; elle est verrouillée en position par l'ergot 9 qui fait saillie dans l'orifice 2, de sorte qu'une déconnexion accidentelle ne peut pas se produire.The operation of the connection device thus described is as follows: The male tab 1 is introduced into the clip 3 through the orifice 14 (FIG. 2) of the hollow parallelepiped. The portions 1 1 of the upper wall in two parts 11 1 support this tongue 1 downwards and the latter presses on the lug 9 of the tongue 5, which causes the latter to bend elastically downwards. When the orifice 2 is located above the lug 9, the latter enters the orifice 2 and the tongue 5 straightens. The male tongue 1 is then resiliently sandwiched between the curved walls 1 1 a and the sole of the clip 3 constituted by the fixed flanges 6 and 7 and the movable tongue 5; it is locked in position by the lug 9 which projects into the orifice 2, so that an accidental disconnection cannot occur.
  • Pour déverrouiller la languette 1, il suffit d'exercer une traction vers le bas sur la languette 5 soit au moyen du bec 5a, soit au moyen de la petite languette 10, de façon à dégager l'ergot 9 de l'orifice 2.To unlock the tongue 1, it suffices to pull down on the tongue 5 either by means of the spout 5a, or by means of the small tongue 10, so as to release the lug 9 from the orifice 2.
  • Cette traction vers le bas peut être réalisée par tout moyen approprié, mais elle est de préférence exercée au moyen d'un capuchon isolant spécial représenté aux figures 7 et 8.This downward traction can be achieved by any suitable means, but it is preferably exercised by means of a special insulating cap shown in FIGS. 7 and 8.
  • Le capuchon représenté à ces figures est un manchon parallélépipèdique 15 en matière isolante et assez souple, du caoutchouc par exemple, qui est enfilé sur le clip 3 comme cela est représenté en traits interrompus à la figure 2.The cap shown in these figures is a parallelepiped sleeve 15 made of insulating and fairly flexible material, rubber for example, which is threaded onto the clip 3 as shown in dashed lines in FIG. 2.
  • La paroi supérieure du manchon 15 comporte une saillie 16 qui permet d'immobiliser le manchon 15 sur le clip 3 au voisinage de la cosse 3a et la paroi inférieure comporte une butée 17 comportant un plan incliné 17a ayant une pente correspondante ou légèrement supérieure à celle du bec 5a (50° par exemple), cette butée 17 s'étendant sur toute la largeur de la paroi inférieure du manchon 15.The upper wall of the sleeve 15 has a projection 16 which makes it possible to immobilize the sleeve 15 on the clip 3 in the vicinity of the terminal 3a and the lower wall has a stop 17 comprising an inclined plane 17a having a corresponding slope or slightly greater than that spout 5a (50 ° for example), this stop 17 extending over the entire width of the lower wall of the sleeve 15.
  • On voit que si l'on fait coulisser le manchon 15 vers l'arrière du clip 3, le plan incliné 17a s'engage contre le bec 5a et force la languette 5 à s'abaisser, ce qui libère la languette 1 de l'ergot 9. Le manchon 15 remplit ainsi à la fois le rôle d'un capuchon isolant pour la connexion et le rôle d'une commande de déconnexion.We see that if we slide the sleeve 15 towards the rear of the clip 3, the inclined plane 17a engages against the spout 5a and forces the tongue 5 to lower, which releases the tongue 1 from the lug 9. The sleeve 15 thus fulfills both the role of an insulating cap for connection and the role of a disconnection control.

Claims (4)

1. Device for electric connection, comprising a male tongue (1) introduced into a female clip (3) of the type in which the female clip has the general form of a hollowed parallelepiped, the lower wall or sole plate of which comprises an elastic tongue (5) provided with a lug (9) intended to engage an orifice (2) of corresponding shape in the male tongue, in which the elastic tongue (5) of the female clip (3) is articulated towards the rear, characterized in that the tongue (5) has its front extremity (5a) turned downward at an angle of approximately 45°, and in that the device has an insulating hood covering the female clip (3), this hood being constituted by a sleeve (15) which is able to slide along the said clip (3), the said sleeve (15) comprising on its lower wall an abutment (17) the edge (17a) of which forms an inclined plane which engages the front inclined edge (5a) of the tongue (5) of the clip (3) so as to cause the tongue to bend elastically downward, and release the lug (9) from the orifice (2) of the male tongue (1).
2. Device according to Claim 1, characterized in that the elastic tongue (5) of the clip (3) has a small tongue (10) turned downward in the opposite direction from the front edge (5a) of the elastic tongue (5).
3. Device according to any one of the preceding claims, characterized in that the upper wall of the clip (3) is constituted by two symmetrical parts (11) connected to the fixed edges (6) of the lower wall by lateral walls (13) of the clip (3).
4. Device according to Claim 3, characterized in that each of the symmetrical parts (11) of the upper wall have a portion (11 a) which bulges downward.
EP80401201A 1979-08-31 1980-08-21 Electrical clip and blade connections Expired EP0024981B1 (en)

Priority Applications (2)

Application Number Priority Date Filing Date Title
FR7921900 1979-08-31
FR7921900A FR2464572B1 (en) 1979-08-31 1979-08-31

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
AT80401201T AT5501T (en) 1979-08-31 1980-08-21 Electrical connections with flat socket and tongue contact.

Publications (2)

Publication Number Publication Date
EP0024981A1 EP0024981A1 (en) 1981-03-11
EP0024981B1 true EP0024981B1 (en) 1983-11-30

Family

ID=9229269

Family Applications (1)

Application Number Title Priority Date Filing Date
EP80401201A Expired EP0024981B1 (en) 1979-08-31 1980-08-21 Electrical clip and blade connections

Country Status (8)

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EP (1) EP0024981B1 (en)
JP (1) JPS5663783A (en)
AT (1) AT5501T (en)
DE (1) DE3065774D1 (en)
ES (1) ES263047Y (en)
FR (1) FR2464572B1 (en)
GB (1) GB2057790B (en)
IE (1) IE50500B1 (en)

Families Citing this family (11)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP0068698B1 (en) * 1981-06-25 1985-05-08 AMP INCORPORATED (a New Jersey corporation) Electrical tab receptacle
US4458971A (en) * 1982-06-14 1984-07-10 Amp Incorporated Electrical tab receptacle and connector
US4632483A (en) * 1983-02-07 1986-12-30 Microdot Inc. Electrical terminal
DE8901055U1 (en) * 1989-01-31 1990-06-07 Grote & Hartmann Gmbh & Co Kg, 5600 Wuppertal, De
DE4012959A1 (en) * 1990-04-24 1991-11-07 Karl Koehler Flat pin connector socket sleeve - has projecting tongue stamped out from its base for retaining inserted contact pin
FR2693041B1 (en) * 1992-06-26 1996-04-05 Proner Comatel Sa ELECTRICAL CONNECTION DEVICE BY CLIP AND TONGUE.
DE9416056U1 (en) 1994-10-06 1994-11-24 Stocko Metallwarenfab Henkels Lockable blade receptacle for an electrical connection
ES2122900B1 (en) * 1996-05-27 1999-08-01 Especialitats Electr Escubedo Mechanical security provision for a receptacle terminal in its electrical connection with a tab terminal.
DE10012931A1 (en) * 2000-03-16 2001-09-20 Grote & Hartmann Sheet metal stamped electric contact element for plug connector housing, comprises contactor for conducting wire, plug slot at respective ends, and stop protrusion engaging stop depression in plug reed
ES1053867U (en) * 2003-02-04 2003-05-16 Ibermate S L Electrical receptacle
ES2217958B1 (en) * 2003-02-04 2006-01-16 Especialitats Electriques Escubedo S.A. PERFECTION IN THE RECEPTACLE ELECTRICAL TERMINALS.

Family Cites Families (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2682040A (en) * 1952-02-16 1954-06-22 Hugh W Batcheller Electric connector member with underlying tongue
US2701350A (en) * 1952-10-18 1955-02-01 Soreng Products Corp Separable electrical connector
GB858115A (en) * 1956-03-29 1961-01-04 Lucas Industries Ltd Electric plug and socket conductor couplings
FR1255851A (en) * 1959-02-06 1961-03-10 Carr Fastener Co Ltd Improvements to electrical contacts
FR1278140A (en) * 1960-10-27 1961-12-08 Prec Mecanique Labinal Lockable electrical connection device
GB1463751A (en) * 1974-05-03 1977-02-09 Amp Inc Electrical tab receptacle
GB1531033A (en) * 1976-05-07 1978-11-01 Lucas Industries Ltd Electrical terminals

Also Published As

Publication number Publication date
IE50500B1 (en) 1986-04-30
JPS5663783A (en) 1981-05-30
ES263047Y (en) 1983-03-01
EP0024981A1 (en) 1981-03-11
FR2464572B1 (en) 1982-08-27
AT5501T (en) 1983-12-15
ES263047U (en) 1982-08-01
GB2057790B (en) 1984-02-08
IE801719L (en) 1981-02-28
FR2464572A1 (en) 1981-03-06
DE3065774D1 (en) 1984-01-05
GB2057790A (en) 1981-04-01

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