EP0172779A1 - Mehrpoliger elektrischer Verbinder - Google Patents

Mehrpoliger elektrischer Verbinder Download PDF

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Publication number
EP0172779A1
EP0172779A1 EP85450018A EP85450018A EP0172779A1 EP 0172779 A1 EP0172779 A1 EP 0172779A1 EP 85450018 A EP85450018 A EP 85450018A EP 85450018 A EP85450018 A EP 85450018A EP 0172779 A1 EP0172779 A1 EP 0172779A1
Authority
EP
European Patent Office
Prior art keywords
front cover
cable clamp
connector according
support
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.)
Granted
Application number
EP85450018A
Other languages
English (en)
French (fr)
Other versions
EP0172779B1 (de
Inventor
Didier Borloz
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.)
Individual
Original Assignee
Individual
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 Individual filed Critical Individual
Priority to AT85450018T priority Critical patent/ATE32812T1/de
Publication of EP0172779A1 publication Critical patent/EP0172779A1/de
Application granted granted Critical
Publication of EP0172779B1 publication Critical patent/EP0172779B1/de
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
    • 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
    • H01R13/59—Threaded ferrule or bolt operating in a direction parallel to the cable or wire

Definitions

  • the present invention relates to a multi-pole electrical connector.
  • Multipolar electrical connectors currently existing generally consist of two parts: a front cover and a rear cover.
  • the front cover is intended to receive a support for female or male plugs and the rear cover constitutes a cable guide and contact protection for the user.
  • the fixing of the covers between them is often carried out by means of the cable clamp which comprises a thread onto which the rear cover is screwed, thus exerting traction on the said cable clamp allowing the cable to be pinched.
  • front covers are such that they can only receive one type of plug support.
  • a cover is provided for receiving a support for male plugs, another for receiving a support for female plugs.
  • the mounting of the socket for female plugs often causes the cable connections to break on the plugs, because it is often necessary to tilt the support relative to the cover and therefore to bend the wires.
  • the present invention aims to obviate all of these drawbacks by presenting a multipole connector avoiding twisting of the cable by the cable clamp, capable of receiving the supports of male and female plugs and proposing a simple mounting of these supports.
  • the multipole connector comprises a front cover in which is mounted a cable clamp and a rear cover cooperating with the front cover and the cable clamp, characterized in that the cable clamp is provided with at least two wings connected to their rear end by an elastic means for centering the cable, each comprising a surface for blocking in rotation and for sliding in translation, cooperating with the rear part of the front cover and, at least one attachment means on said front cover provided at the front end of said wings.
  • the front cover is provided with fixing means capable of receiving either a support of male plugs and the corresponding female connector, or a support of female plugs comprising at least one hooking member with the corresponding male connector.
  • the socket socket holder is provided with at least one elastic hooking member movable in longitudinal translation intended to cooperate with, on the one hand, the means for fixing the front cover and secondly, with the means for fixing a front cover of a male connector.
  • the multipole electrical connector comprises a front cover 1 in which is arranged a cable clamp 2 and a rear cover 3 cooperating with said front cover and with said cable clamp.
  • the front cover 1 is preferably constituted by a tubular cylindrical body provided in its rear part with at least one element of the means of assembly with the rear cover 3.
  • Said rear cover is preferably formed by a tubular cylindrical-conical body and comprises in its front part at least one element of the assembly means with the front cover 1.
  • the means for assembling the covers 1 and 3 is constituted by a screw-nut system.
  • the rear part of the front cover 1 is provided with an external thread 4 formed at the end of a recess 5.
  • the rear cover 3 preferably comprises over the entire length of a front cylindrical portion 6 an internal thread 7 cooperating with the external thread 4 of the front cover 1.
  • the front covers 1 and rear 3 are provided on a part of their outer surface with gripping notches 8 formed axially to said covers in order to facilitate the assembly of these.
  • a flange 10 oriented towards the axis of said cover.
  • This rim 10 is intended to block a flexible cable guide 11 provided with a groove in which the said rim is housed.
  • the inside diameter of the front part 6 of the rear cover 3 is larger than the inside diameter of the rear cylindrical part re 9.
  • the inner surface of said rear cover has a frustoconical revolution surface 12 connecting the front 6 and rear 9 cylindrical parts and whose role will be explained further.
  • the rear cover 3 cooperates with the front cover 1 and with the cable clamp 2.
  • the cable clamp 2 is provided with at least two wings 13 connected at their rear end by at least one elastic cable centering means each comprising a clamping face 14 of said cable, parallel to the central axis of the cable clamp, at least one surface 15 for locking in rotation and for sliding in translation cooperating with the rear part of the front cover 1 and at least one hooking means on said front cover provided on the front end of said wings.
  • the cable clamp 2 is provided with two wings 13 whose clamping faces 14 are spaced and parallel.
  • Each clamping face 14 is provided with a recess 16 in the portion of a cylinder running over the entire length of said face in order to provide a greater clamping surface on the cable.
  • each wing 13 consists of a base 17 in the portion of a cylinder.
  • the bases 17 of said wings are preferably contained in the same cylinder so that the cable clamp 2 has in its rear part a circular cross section.
  • each base 17 In front of each base 17 is made a publication! 18 on which the face 14 is formed for planar clamping, the surface 15 for blocking rotation and sliding and at least one means for hooking to the front cover.
  • each wall 18 is an extension of the base 17 and therefore covers the entire height of the wing 13.
  • the surface 15 for blocking rotation and sliding is formed opposite the wall 14 for clamping.
  • Said surface 15 is preferably of rectangular cross section decreasing from the rear of the cable clamp 2 towards the front.
  • the surface 15 for blocking rotation and sliding is therefore flat and inclined towards the front of the cable clamp 2.
  • the surfaces 15 for sliding and for locking in rotation are symmetrical with respect to a median plane parallel to the clamping walls 14 and their line of convergence is located in front of the cable clamp 2.
  • the width of the walls 18 is substantially less than that of the bases 17 and their thickness covers the entire base.
  • each wall 18 is preferably provided a means of attachment to the front cover 1 of the connector according to the invention.
  • This attachment means is formed by a shoulder 19 formed on the surface 15 and perpendicular to the clamping face 14.
  • this shoulder has the shape of a portion of a circle concentric with the recess 16 of the clamping faces 14.
  • the wings 13 are connected at their rear end by an elastic means for centering the cable.
  • This centering means is according to a preferred embodiment constituted by a ring 13 A connecting said wings at their base 17 and with an internal diameter equal to the diameter of the cylinder forming the recesses 16 of the faces 14.
  • This annelet 13 A is elastic in order to allow the front ends of the walls 18 to come together under the effect of a radial force to said cable clamp and their return to the initial position when this force ceases.
  • the cable clamp 2 thus formed is placed in cooperation with the front cover 1.
  • the rear end of the front cover 1 of the connector according to the invention is provided with a polygonal orifice 20 formed axially at said front cover and in a flange 21 and the section of which is a truncated pyramid whose apex is on the axis of the front cover 1 and inside of it.
  • the orifice 20 has a number of sides equal or multiple of at least two of the number of wings 13 of the cable clamp 2.
  • Said cable clamp according to the embodiment described above has two wings 13, the orifice 20 of the front cover 1 is therefore preferably provided on four sides.
  • the cable clamp 2 is placed in said orifice 20 by bringing these wings 13 together so that the shoulders 19 come to bear behind the flange 21 forming said orifice.
  • the cable clamp 2 is therefore blocked on the front cover 1 by its shoulders 19.
  • Each surface 15 for blocking rotation and sliding is pressed against a face 22 of the orifice 20 having substantially the same inclination as said surfaces.
  • the surfaces 15 being flat and of width substantially equal to the width of one side of the orifice 20, the cable clamp 2 is therefore locked in rotation relative to its median longitudinal axis.
  • the rear cover 3 is then mounted on the front cover 1 and the outside diameter of the bases 17 of the cable clamp comes to bear on the frustoconical surface of revolution 12 of said rear cover.
  • the sliding surfaces 15 being inclined as well as the faces 22 of the orifice 20, the front ends of the cable clamp come together under the effect of a radial component created by contact with at least one face 22 and tighten the cable between them while pushing it forward in their direction of translation. This slight push towards the front of the cable under the effect of the translation of the cable clamp makes it possible to avoid the rupture of the connections of the wires of the cable of the plugs.
  • the cable clamp 2 as shown in FIG. 4 is provided with at least one additional clamping means arranged perpendicularly. rement wings 13 and in the rear part of said cable clamp.
  • This additional clamping means is formed by a slot 23 preferably of triangular shape defining two inclined symmetrical walls whose plane of symmetry is perpendicular to the median plane parallel to the clamping wall 14 of each wing 13.
  • the large base of the triangle defining the slot 13 is in the same plane as the rear face of the bases 17.
  • connection between the wings each provided with a slot 23 is produced by elastic spacers 24 also allowing the cable to be centered in the cable clamp 2.
  • Said cable clamp according to this second embodiment is arranged on the front cover 1 in the same manner as above.
  • the mounting of the rear cover 3 causes the cable to be tightened by the walls 14 but also a cable tightening on the rear part of the cable clamp by a tightening of the slot 23 due to the contact of the bases 17 on the frustoconical surface of rotation 12, at the translation of the rear cover 3 relative to the cable clamp 2 and to the rotation blocking of said cable clamp on the front cover.
  • the cable clamp 2 is made of a semi-rigid material such as polypropylene and is obtained for example by molding.
  • the multipole electrical connector according to the invention is provided on a front cover 1 with fixing means capable of receiving either a support 24 of male plugs and the corresponding female connector, or a support 25 of female plugs comprising at least one means of 'hooking with the corresponding male connector.
  • the front cover 1 for both a female connector (FIG. 1) and a male connector (FIG. 2) is preferably provided on the same longitudinal straight line with an orifice 26 opening out preferably circular and an orifice 27 opening out, preferably polygonal, disposed between the front end of the cover 1 and the circular orifice 26.
  • a shoulder 28 Behind the circular orifice 26 and in the cylindrical interior surface of the front cover 1 is formed a shoulder 28.
  • the connector according to the invention is provided with a support 24 for plugs.
  • Said support is preferably cylindrical and is provided in its surface perpendicular to its axis with a thread 29.
  • the outside diameter of the support 24 is slightly smaller than the inside diameter of the front cover 1.
  • the distance between the axis of said tapping and the rear face of the support is equal to the distance between the axis of the circular orifice 26 of the front cover 1 and the shoulder 28.
  • the support 24 is therefore placed in abutment against the shoulder 28 and the orifice 26 and the internal thread 29 are arranged coaxially in order to receive for example a locking screw 30.
  • the support 24 is disposed in the front cover 1 only when the cable son connections have been made on the rear end of the plugs.
  • the male plugs are provided with a collar 31 on which a knurling is carried out so that the plugs cannot move in the support thus preventing the wire connection from breaking.
  • Said plugs advantageously have a plating on their surface in order to ensure better contact.
  • the support 24 of male plugs can receive a groove or a projection to ensure its positioning in the front cover 1 by cooperation with respectively a projection or a groove (not shown) formed in said cover.
  • the connector according to the invention is provided with a support 25 for female plugs.
  • the support 25 of female plugs is provided with at least one elastic hooking member movable in longitudinal translation intended to cooperate on the one hand with the means for fixing the front cover 1 on which the said support is mounted and on the other hand with the means for fixing a front cover 1 of a connector according to the invention provided with a support for plugs.
  • This attachment member preferably consists of an elastic blade 32 disposed in a groove 33 formed in a lug 34 secured to the support 25 of female plugs.
  • Said support has the shape of a cylinder of light diameter ment smaller than the inside diameter of the front cover 1 of the connector and is provided with a flange 35 intended to come to bear by its rear face against the end having of the cover 1.
  • This tab has a cross section in the portion of a cylinder the diameter of which is the same as the front part of the support 25. Under this tab 34 are located the plug connection connectors.
  • an opening 36 On the rear part of the tab 34 perpendicular to the groove 33 is formed an opening 36.
  • the length of the tab 34 from the rear face of the flange 35 is equal to the distance between the front end of the cover 1 and the shoulder 28.
  • the axis of the opening 36 is aligned with the axis of the orifice 26 of the cover 1, it is therefore necessary that the distance between the axis of said opening and the end of the tab 34 or the rear face of the flange 35 is equal to the distance separating the axis of the orifice 26, respectively between the shoulder 28 or the front end of the cover 1.
  • Said blade has a pusher 38 perpendicular to the front of the blade, a hook 39 formed at its front end and is provided with a thread 40.
  • the pusher 38 is intended to penetrate into the polygonal orifice 27 and the tapping 40 is intended to be arranged coaxially with the orifice 26 of the cover 1.
  • the distance between the rear face of the pusher 38 and the axis of the tapping 40 is equal to the distance between the rear edge of the orifice 27 and the axis of the orifice 26.
  • the pusher 38 is formed either by a plunger folding of the blade, or by a cube-shaped insert and provided with crenellations on its upper face.
  • the hook 39 is formed on the front end of the blade 32 which is advantageously perpendicular to the pusher 38.
  • Said blade 32 can be actuated in translation in the groove 33, which is allowed by the passage of its rear part in the slot 37 in order to facilitate the installation of the support 25 of female plugs on the connector according to the invention in avoiding the rupture of the connections on the said sheets previously made.
  • the blade 32 is disposed in the groove 33 so that the pusher 38 is in abutment at the bottom of said groove. This makes it possible to engage the pusher 38 in the polygonal orifice 27 without it being necessary to tilt the tab 34 relative to the cover 1, thus avoiding the risks of connection breakage.
  • the internal thread 40, the opening 36 and the orifice 26 when the support 25 is in abutment, are aligned and receive, for example, the locking screw 30.
  • connection of a female connector with a male connector is made by pressing the support 25 of female plugs into the front cover 1 of the male connector until the hook 39 is housed in the polygonal orifice 27 of said male connector.
  • the distance between the end of the hook 39 and the front face of the flange 35 is greater than or equal to the distance between the front edge of the polygonal orifice 27 and the front end of the front cover 1.
  • said female plugs may include a gold plating.
  • the connectors are disconnected by pressing on the pusher 38 emerging from the orifice 27.
  • the rear end of the blade 32 is preferably slightly necked designed so that, when the locking screw 30 presses the rear part of the said blade on the bottom of the groove 33, the pusher 38 is detached from the bottom of the said groove.
  • the hook 39 being produced perpendicular to the pusher 3, the latter is dislodged from the orifice 27 of the male connector under the effect of the pressure exerted on said pusher.
  • the front covers 1 and rear 3 are preferably produced by molding and are made of an easily molded light alloy such as for example “zamak” or, indeed, of a plastic material such as "PVC".
  • the connector according to the invention makes it possible to obtain an effective tightening of the cable without risk of deterioration of the connections of the wires on the plugs, is of simple design and therefore inexpensive.

Landscapes

  • Details Of Connecting Devices For Male And Female Coupling (AREA)
  • Coupling Device And Connection With Printed Circuit (AREA)
  • Connector Housings Or Holding Contact Members (AREA)
  • Multi-Conductor Connections (AREA)
  • Cable Accessories (AREA)
EP85450018A 1984-07-30 1985-07-25 Mehrpoliger elektrischer Verbinder Expired EP0172779B1 (de)

Priority Applications (1)

Application Number Priority Date Filing Date Title
AT85450018T ATE32812T1 (de) 1984-07-30 1985-07-25 Mehrpoliger elektrischer verbinder.

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
FR8412176A FR2568418B1 (fr) 1984-07-30 1984-07-30 Connecteur electrique multipolaire.
FR8412176 1984-07-30

Publications (2)

Publication Number Publication Date
EP0172779A1 true EP0172779A1 (de) 1986-02-26
EP0172779B1 EP0172779B1 (de) 1988-03-02

Family

ID=9306697

Family Applications (1)

Application Number Title Priority Date Filing Date
EP85450018A Expired EP0172779B1 (de) 1984-07-30 1985-07-25 Mehrpoliger elektrischer Verbinder

Country Status (5)

Country Link
EP (1) EP0172779B1 (de)
AT (1) ATE32812T1 (de)
DE (1) DE3561782D1 (de)
ES (1) ES296052Y (de)
FR (1) FR2568418B1 (de)

Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US5336108A (en) * 1991-03-27 1994-08-09 Lin Jia S Microphone connector
US5362252A (en) * 1993-04-19 1994-11-08 New Tide Enterprises Co., Ltd. Microphone connector
EP0643255A1 (de) * 1993-09-13 1995-03-15 Patent-Treuhand-Gesellschaft für elektrische Glühlampen mbH Elektrische Lampe

Families Citing this family (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR2632458B1 (fr) * 1988-06-01 1992-02-14 Borloz Didier Connecteur electrique

Citations (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR2335771A1 (fr) * 1975-12-16 1977-07-15 Itw Ltd Serre-cable
CH612797A5 (en) * 1977-04-15 1979-08-15 Feller Ag Electrical plug connector

Patent Citations (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR2335771A1 (fr) * 1975-12-16 1977-07-15 Itw Ltd Serre-cable
CH612797A5 (en) * 1977-04-15 1979-08-15 Feller Ag Electrical plug connector

Cited By (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US5336108A (en) * 1991-03-27 1994-08-09 Lin Jia S Microphone connector
US5362252A (en) * 1993-04-19 1994-11-08 New Tide Enterprises Co., Ltd. Microphone connector
US5368502A (en) * 1993-04-19 1994-11-29 New Tide Enterprise Co., Ltd. Plug - in microphone connector
EP0643255A1 (de) * 1993-09-13 1995-03-15 Patent-Treuhand-Gesellschaft für elektrische Glühlampen mbH Elektrische Lampe
US5495138A (en) * 1993-09-13 1996-02-27 Patent-Treuhand-Gesellschaft F. Elektrische Gluehlampen Mbh Single-based electric lamp base structure with connecting lead strain relief

Also Published As

Publication number Publication date
ES296052U (es) 1987-07-16
ES296052Y (es) 1988-01-16
FR2568418B1 (fr) 1987-07-03
EP0172779B1 (de) 1988-03-02
DE3561782D1 (en) 1988-04-07
ATE32812T1 (de) 1988-03-15
FR2568418A1 (fr) 1986-01-31

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