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EP0030768A1 - Dispositif de connexion en deux parties pour câble électrique - Google Patents

Dispositif de connexion en deux parties pour câble électrique Download PDF

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Publication number
EP0030768A1
EP0030768A1 EP19800201180 EP80201180A EP0030768A1 EP 0030768 A1 EP0030768 A1 EP 0030768A1 EP 19800201180 EP19800201180 EP 19800201180 EP 80201180 A EP80201180 A EP 80201180A EP 0030768 A1 EP0030768 A1 EP 0030768A1
Authority
EP
European Patent Office
Prior art keywords
housing
plug
socket part
cams
fork
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.)
Withdrawn
Application number
EP19800201180
Other languages
German (de)
English (en)
Inventor
George Mease
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.)
Kabelwerke Reinshagen GmbH
Original Assignee
Kabelwerke Reinshagen 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
Application filed by Kabelwerke Reinshagen GmbH filed Critical Kabelwerke Reinshagen GmbH
Publication of EP0030768A1 publication Critical patent/EP0030768A1/fr
Withdrawn legal-status Critical Current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
    • H01R13/62—Means for facilitating engagement or disengagement of coupling parts or for holding them in engagement
    • H01R13/627—Snap or like fastening
    • H01R13/6271—Latching means integral with the housing

Definitions

  • the invention relates to an electrical cable plug device according to the preamble of claim 1.
  • Such a cable connector is e.g. consisting of a plug part and a socket part with coordinated contact pins and contact sockets and from the plug part - housing and socket part - housing arranged coordinated, gable roof-shaped elements of a snap-in connection, which determine the connection position of the plug and socket part in their detent position and in which the elements of the snap-in connection are designed in such a way that they form a pressure point in the plug-in direction which causes an increase in force in the force-displacement characteristic curve, after the overcoming of which the locking position of the housing and the electrical connection between the contact pins and the contact sockets are reached with certainty.
  • Such an aforementioned electrical cable connector is known from the published German patent application DE-OS 22 15 221.
  • Such training is intended to ensure that the wires are only electrically connected when it is ensured that the plug housing and the socket housing are connected to one another in such a way that they can no longer be loosened by vibrations. In other words: safe electrical contact and mechani see locking should forcibly run synchronously.
  • the proposals shown in the patent application mentioned may be sufficient.
  • the frictional forces between the electrical contacts are relatively high, e.g. by arranging several or larger or difficult contacts, or when a relatively high locking force is required, e.g. with housing parts to be sealed against each other.
  • the elastically deforming part of the housing wall of the socket part - housing must be made very rigid, e.g. through a correspondingly more solid design or a corresponding choice of materials.
  • the housing wall of the known socket part housing must be able to expand outwards when the connection is made or released; that can e.g. in confined spaces, e.g. after installation in an opening of a partition or the like.
  • Locking force here means two forces, both of which have the highest value on either side of the locking or pressure point.
  • the first force is that which is required to reach and overcome the detent or pressure point when establishing the connection in the plug-in direction. It should be called closing force.
  • the closing force corresponds to the force that helps to release the connection.
  • the second force is the one in the manufacture of the compound after overcoming the latching - is D or jerk point for securing the latching. It should be called the holding force.
  • the holding force corresponds to the force that opposes the loosening of the connection, thus securing the locking.
  • the closing force for example, has to be applied by hand - based on the mechanical one Locking - should be greater than the forces that zoB. with sliding contacts between the electrical contacts must be overcome. Then it is ensured that after passing the locking point or pressure point, when the closing force suddenly no longer has any resistance on the locking elements and the holding force also intervenes to support the forces on the electrical contacts and thus both the electrical and the electrical contacts mechanical connection is secured.
  • the socket part - housing is formed with two substantially opposite, two-pronged forks, the prongs of which extend essentially in the plug-in direction, transverse to the plug-in direction and with respect to the adjacent housing wall of the socket part - housing are elastic, and have two gable roof-shaped surfaces on the outside, that the connector part housing is formed with a pair of rigid cams per fork, which extend transversely to the plug-in direction and have mutually opposite, gabled roof-shaped surfaces and that to secure the snap-in connection in cooperation with the aforementioned saddle roof shaped surfaces the inner distance of the cams of a pair is smaller than the outer distance of the tines of a fork.
  • the maximum locking force can be increased if the sum of the widths of the tines of a fork is slightly larger than the inner distance of the associated cams. It has proven to be expedient if the two prongs of a fork are arranged essentially in a V-shape with respect to one another and the fork opens towards the plug part.
  • the housing can maintain its outer dimensions if both the forks and the cams are alone within a housing wall of the socket part housing.
  • the fork is expediently located within a U-shaped housing wall section of the socket part housing arranged.
  • a second increase in the locking force by further bending can be achieved in that the connector part housing between the cams is convex.
  • the increased locking force can be used for sealing, for example, in that the housings are round or oval, at least in the connection area, and an annular seal is arranged between the housings.
  • Very large locking forces can be generated by the invention without great effort.
  • Appropriate coordination of the interacting gable roof surfaces of the forks and cams enables locking forces of different sizes, more precisely different closing and holding forces, to be generated.
  • the cable connector can be manufactured without much material and can be easily assembled or disassembled even in confined spaces.
  • the cable connector 1 ( Figure 5) sets composed of a plug part 2 and a socket part 3 receiving it.
  • the plug part housing 4 compare FIGS. 1 and 2, is made of insulating plastic by injection molding and comprises three through openings 5, 5 ', 5''for receiving latchable contact sockets 6.
  • the contact sockets 6 are connected to insulated electrical lines 7, for example in a non-detachable manner by means of crimping (attaching).
  • the plug part housing 4 is round in cross section and is provided near its front surface 8 in its connecting region 4a with a groove 9 for receiving a sealing ring 10.
  • the plug part housing 4 ends on its rear side 11 with a circumferential bead 12 for receiving a sealing cap 13, see FIG. 5.
  • two pairs of rigid, injection-molded square cams 14, 14 ', 15, 15' are arranged transversely to the longitudinal axis, i.e. in a symmetrical arrangement. transversely to the direction of insertion S, see Figures 1 and 2.
  • cams 14, 14 ', 15, 15' do not extend radially but secant-like, so that they have a trapezoidal shape when viewed in the direction of the longitudinal axis, compare FIG. 2. The sequence of this arrangement is described in more detail with reference to FIGS. 6 and 7 will.
  • Each pair of cams 14, 14 'and 15, 15' has opposite, gable roof-shaped surfaces, of which the surface 16, 16 'and 17, 17' of the pair of cams 14 and 14 'are described in more detail.
  • the surfaces 16, 16 ', 17 and 17' lie at an angle of approximately 30 ° to the longitudinal axis of the plug part housing 4.
  • the ridge point forms the locking or pressure point 18 or 18 '.
  • the distance between the locking or pressure points 1 8 and 18 ' corresponds to the inner distance of the cams 14 and 14' and is designated by X.
  • the socket part - housing 19 is made of insulating plastic by injection molding and includes through openings 20, 20 ', 20 "for receiving latchable contact pins 21.
  • the contact pins 21 are connected to insulated electrical lines 22, for example in a non-detachable manner by means of crimping.
  • the socket part housing 19 is essentially circular cylindrical and has a protruding bead 24 on the rear side for receiving a sealing cap 25 is formed, see FIG 5. Subsequently, at its front face 26 has the female part - housing 19 in the connecting portion 27 has an opening 3a for the male part 2 with an annular housing wall 28 3b with a groove, see figure 5.
  • the outer wall 28 of the opening 3a contains two diametrically opposed U-shaped wall cutouts 29 and 29 'opening towards the front surface 26, within which two two-pronged elastic forks 30 and 30' are integrally formed on the socket housing 19 substantially in the direction of the longitudinal axis the following describes the arrangement of the fork 30, 'which with the symmetr is arranged fork 30 '.
  • the fork 30 comprises two tines 31 and 31 ', on the outside of which, facing away from one another, two saddle-shaped surfaces 32, 32' and 33, 33 'with the ridge point 34, 34' are arranged.
  • the two tines 31 and 31 ' are initially V-shaped with respect to their inner distance from one another, then approximately parallel to one another, see FIG. 3.
  • the outer distance Y of the tines 31, 31' is noticeably greater than the inner distance X of the cams 14, 14 'on the connector part - housing 4, compare Figure 1.
  • the maximum width of the prongs 31, 31' is somewhat larger in total than the inner distance X of the cams 14, 14 ', ie if the maximum internal distance of the tines 31, 31 'is denoted by Z, the relationship X ⁇ Y - Z results. Since the tines 31, 31' bend during assembly, the size Y-Z is not constant, cf. Description of FIG. 6.
  • the assembly of the plug part 2 into the socket part 3 proceeds as follows: First the contact parts, contact sockets 6 and contact pins 21, in a known manner self-locking in their respective connector part 2 or 3 are used. For this purpose, elastic sealing caps 13 and 25 are also pushed onto the beads 12 and 24, respectively.
  • connection area 27 the connection area 27.
  • the locking takes place in four phases:
  • the plug part 2 is inserted with the connection area 4a of its plug part housing 4 into the opening 3a of the socket part housing 19.
  • the surfaces 16 and 16 ' lie against the surfaces 32 and 32': the connector part 2 is clearly guided in the socket part 3.
  • An unmistakable assignment of the two connector parts can be ensured in a manner known per se either by the arrangement of plug contact sockets or plug contacts provided on the inside, as in the exemplary embodiment described, or by corresponding unmistakability cams assigned to corresponding openings. The same can be achieved by arranging the forks 30 and 30 'asymmetrically. In the first phase, the electrical contact parts are not yet connected.
  • the invention is based on a cross section round housing shown. Among other things, this has the advantages already described with regard to sealing and strengthening. However, the invention can basically be implemented regardless of the cross section of the housings to be connected. If, for example, you want to achieve the described radial bending force component, which leads to the torsion of the tines, even with a cuboid housing, then only the connecting surface between the cams - in accordance with the exemplary embodiment - needs to be convexly curved. Furthermore, the invention is independent of the number or shape of the contact parts or the type of sealing means.

Landscapes

  • Details Of Connecting Devices For Male And Female Coupling (AREA)
  • Connector Housings Or Holding Contact Members (AREA)
EP19800201180 1979-12-15 1980-12-09 Dispositif de connexion en deux parties pour câble électrique Withdrawn EP0030768A1 (fr)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
DE19792950557 DE2950557C2 (de) 1979-12-15 1979-12-15 Elektrische Kabelsteckvorrichtung
DE2950557 1979-12-15

Publications (1)

Publication Number Publication Date
EP0030768A1 true EP0030768A1 (fr) 1981-06-24

Family

ID=6088596

Family Applications (1)

Application Number Title Priority Date Filing Date
EP19800201180 Withdrawn EP0030768A1 (fr) 1979-12-15 1980-12-09 Dispositif de connexion en deux parties pour câble électrique

Country Status (3)

Country Link
EP (1) EP0030768A1 (fr)
DE (1) DE2950557C2 (fr)
ES (1) ES265065Y (fr)

Cited By (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP0141958A1 (fr) * 1983-10-17 1985-05-22 Siemens Nixdorf Informationssysteme Aktiengesellschaft Dispositif de couplage verrouillable
FR2636785A1 (fr) * 1988-09-20 1990-03-23 Labinal Perfectionnements aux boitiers de connexions electriques
FR2731116A1 (fr) * 1995-02-23 1996-08-30 Bosch Gmbh Robert Connecteur electrique dont le dispositif d'encliquetage presente au moins un element elastique
EP0665990A4 (fr) * 1992-10-21 1996-11-20 Berg Tech Inc Systeme de verrouillage passif de connecteur a effet de came.
EP0949717A3 (fr) * 1998-04-08 2000-09-13 Yazaki Corporation Mécanisme de verrouillage pour connecteur

Families Citing this family (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPH0650268U (ja) * 1992-12-07 1994-07-08 住友電装株式会社 コネクタ

Citations (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4063790A (en) * 1976-10-15 1977-12-20 Dayco Corporation Fluid conduit assembly

Family Cites Families (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3368182A (en) * 1965-10-11 1968-02-06 Deutsch Co Elec Comp Axially operated coupling device
DE2215221C3 (de) * 1972-03-29 1975-06-19 Swf-Spezialfabrik Fuer Autozubehoer Gustav Rau Gmbh, 7120 Bietigheim Kabelsteckvorrichtung
JPS5315729B2 (fr) * 1973-12-04 1978-05-26
US3966292A (en) * 1974-10-15 1976-06-29 Chromalloy-Alcon Inc. Phonojack with grounding tab clamping means
US4026624A (en) * 1976-09-03 1977-05-31 Ford Motor Company Locking structure for electrical connectors

Patent Citations (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4063790A (en) * 1976-10-15 1977-12-20 Dayco Corporation Fluid conduit assembly

Cited By (9)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP0141958A1 (fr) * 1983-10-17 1985-05-22 Siemens Nixdorf Informationssysteme Aktiengesellschaft Dispositif de couplage verrouillable
FR2636785A1 (fr) * 1988-09-20 1990-03-23 Labinal Perfectionnements aux boitiers de connexions electriques
EP0360667A1 (fr) * 1988-09-20 1990-03-28 Société anonyme dite: LABINAL Boîtiers de connexions électriques
US4979910A (en) * 1988-09-20 1990-12-25 Labinal S.A. Electrical connector housing assembly
EP0665990A4 (fr) * 1992-10-21 1996-11-20 Berg Tech Inc Systeme de verrouillage passif de connecteur a effet de came.
FR2731116A1 (fr) * 1995-02-23 1996-08-30 Bosch Gmbh Robert Connecteur electrique dont le dispositif d'encliquetage presente au moins un element elastique
EP0949717A3 (fr) * 1998-04-08 2000-09-13 Yazaki Corporation Mécanisme de verrouillage pour connecteur
US6712636B2 (en) 1998-04-08 2004-03-30 Yazaki Corporation Connector lock mechanism
US7025618B2 (en) 1998-04-08 2006-04-11 Yazaki Corporation Connector lock mechanism

Also Published As

Publication number Publication date
DE2950557C2 (de) 1983-01-13
DE2950557A1 (de) 1981-06-19
ES265065U (es) 1983-02-16
ES265065Y (es) 1983-08-01

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PUAI Public reference made under article 153(3) epc to a published international application that has entered the european phase

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AK Designated contracting states

Designated state(s): BE DE FR GB IT NL

17P Request for examination filed

Effective date: 19810907

STAA Information on the status of an ep patent application or granted ep patent

Free format text: STATUS: THE APPLICATION HAS BEEN WITHDRAWN

18W Application withdrawn

Withdrawal date: 19830830

RIN1 Information on inventor provided before grant (corrected)

Inventor name: MEASE, GEORGE