EP0555433A1 - Connexion electrique a fiches amovible. - Google Patents

Connexion electrique a fiches amovible.

Info

Publication number
EP0555433A1
EP0555433A1 EP92916906A EP92916906A EP0555433A1 EP 0555433 A1 EP0555433 A1 EP 0555433A1 EP 92916906 A EP92916906 A EP 92916906A EP 92916906 A EP92916906 A EP 92916906A EP 0555433 A1 EP0555433 A1 EP 0555433A1
Authority
EP
European Patent Office
Prior art keywords
locking
plug connection
locking lever
connection according
plug
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
EP92916906A
Other languages
German (de)
English (en)
Other versions
EP0555433B1 (fr
Inventor
Hans-Heinrich Maue
Werner Hofmeister
Willi Gansert
Thomas Heide
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.)
Robert Bosch GmbH
Original Assignee
Robert Bosch 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 Robert Bosch GmbH filed Critical Robert Bosch GmbH
Publication of EP0555433A1 publication Critical patent/EP0555433A1/fr
Application granted granted Critical
Publication of EP0555433B1 publication Critical patent/EP0555433B1/fr
Anticipated expiration legal-status Critical
Expired - Lifetime legal-status Critical Current

Links

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
    • H01R13/629—Additional means for facilitating engagement or disengagement of coupling parts, e.g. aligning or guiding means, levers, gas pressure electrical locking indicators, manufacturing tolerances
    • H01R13/62933—Comprising exclusively pivoting lever

Definitions

  • the invention relates to a releasable, electrical plug-in connection, in particular for the connection of a cable harness to an engine control unit in a motor vehicle according to the preamble of claim 1.
  • the part referred to as a female plug or female connector can be easily connected to a male connector part also referred to as a male connector. It is essential here that the forces to be exerted during the production of the plug connection are not too great, so that a manually producible connection is possible. On the other hand, the separating force should not be too great, so that the electrical plug connection can again be carried out without the aid of tools. Finally, the plug connection is to hold securely and make contact even in the case of vibrations. Plug connections are known in which, for example, about 90 contacts are closed and in which the female connector is brought into contact with the male connector by a pivoting movement.
  • Plug connections are also known in which the two plug parts are brought into engagement with one another by a parallel movement.
  • it has proven to be disadvantageous that a relatively large amount of force is required to establish the electrical connection.
  • the plug-in connection according to the invention with the features listed in claim 1 has the advantage, on the one hand, that a parallel retraction of the two plug parts is ensured, so that the above-mentioned disadvantages with regard to the pivot connection of two plug parts are avoided.
  • a comfortable, that is, safe, easy to manufacture with relatively little effort Detachable electrical connection guaranteed, which is used in particular in the production of electrical connections between wire harnesses and an engine control unit. It is there that it is particularly advantageous that reliable contacting is ensured, which on the one hand is easy to manufacture and on the other hand can be easily solved.
  • a locking device with a locking lever is provided on part of the plug connection, the length or lever ratio of which can be readily adapted to the forces that occur, limits the forces required for production and release.
  • the locking lever is provided with a projection which interacts with a link provided on the counterpart of the electrical plug connection. This means that the locking device is simple and therefore inexpensive to implement. In addition, it is practically not susceptible to faults.
  • An embodiment of the plug-in connection is particularly preferred in which the link has a run-on slope which pivots the locking lever when the two plug parts are inserted into one another from any starting position into a position which is favorable for the locking process.
  • the locking lever can already be pivoted into an optimal actuation position when the two plug parts are joined, the contacts associated with the plug connection not yet being brought into engagement, as a result of which the contacts Forces required to be reduced to a minimum.
  • the setting has a first guide surface which is assigned to the locking process.
  • first guide surface which is assigned to the locking process.
  • an embodiment of the plug connection is preferred in which the link or the housing area of the plug part to which the locking lever is attached have a locking device. This can ensure that the locking lever remains in its locked position. This is particularly advantageous when used in motor vehicles, where naturally high vibration forces favor a solution of the electrical connector.
  • the setting forces on the spring bar cannot act as a releasing moment on the lever lock.
  • the course of the first guide surface serving for locking is selected such that different moments are set when the locking lever is pivoted.
  • the torques required for pivoting the lever can be set so that only small forces are required at the beginning of the locking process, that larger forces are then required during the merging of the two connector parts and that only small forces are then required at the end of the locking process are. Due to the changing torque during the ⁇ closing process, the operator can easily determine that the locking process has ended. Without further notice it can be seen that the plug connection is only correctly established when the locking lever is in its end or locking position.
  • the male connector has different areas, which are preferably provided with different numbers of contacts and contact types, so that modularly constructed cable harnesses with the associated plug-in connection with an associated device, in particular with, in a simple manner can be connected to an engine control unit.
  • an embodiment of the plug connection is preferred, in which the female connector has at least two interlocking contact has grip pan receiving carrier strips.
  • This construction results in a particularly firm cohesion of the contact carriers, which on the one hand ensures miniaturization of the contact carrier without loss of stability and on the other hand ensures a high level of security against tearing out the associated cables from the plug connection.
  • the locking device can be constructed in such a way that the locking lever can be arranged either on the male or on the female connector part, so that the connector can be used universally.
  • Figure 1 to 4 is a side view of a plug connection with different positions of the two plug parts and the locking lever of the locking device;
  • FIG. 5 shows a diagram of the stroke and the manual force over the angle of rotation of the locking lever
  • FIG. 6 shows a side view of a plug connection with a male plug receiving several female plugs
  • FIG. 7 shows a top view of the male plug or of the male connector shown in FIG. 6;
  • FIGS. 8a and 8b two separate contact carrier strips which can be locked together
  • FIG. 9 shows a side view of the contact carrier strips shown in FIG. 8 in the assembled state
  • FIG. 10 shows a section through a further exemplary embodiment of a plug connection.
  • FIG. 1 shows a side view of a connector 1 immediately after joining the female and male connector parts.
  • the female connector hereinafter referred to as female connector 3
  • the handle shell is provided on its front with a locking lever 7 of a locking device 9, which is used to produce a secure plug connection.
  • the locking lever is pivotally mounted about an axle stub 11, which originates on the outside of the grip shell 5.
  • a projection 13 arises on the surface of the locking lever 7 facing the viewer and is arranged at a distance from the stub shaft 11.
  • the connecting line 15 between the stub axle 11 and the projection 13 coincides in FIG. 1 with the vertical 17 intersecting the stub axle 11. That is, the angle a enclosed between the connecting line 15 and the perpendicular 17 is 0 ° here.
  • a locking lug 19 arises from the outside of the handle shell 5 facing the viewer.
  • the male connector of the plug connection 1, which is referred to below as the male connector 21, is only shown here in part. Other areas have been canceled. It is assumed in the following that the male connector can have different types of contacts. Several round pins 23 are shown as an example in FIG. However, knives of different widths or post pins can also be used, which will be discussed further below.
  • the male connector 21 has a housing section 25 which receives and guides the grip 5 of the female connector 3.
  • the said contacts or round pins 23 are arranged below this section and fastened in a suitable manner, for example cast in, in the male connector.
  • a link 27 can be seen, which is part of the locking device 9. It interacts with the projection 13 on the locking lever 7.
  • a run-up slope 29 is clearly visible, on which the projection 13 rests when the two plug parts of the plug connection 1 are first joined together.
  • the link 27 also has a first guide surface 31 which forms the upper boundary of the link 27.
  • a second guide surface 33 forms the lower boundary surface of the link 27.
  • the two guide surfaces run parallel to one another and essentially horizontally, that is to say they form an angle of 90 ° with the vertical 17.
  • the second guide surface merges into a vertical region, which forms a conical widening with the run-on slope 29 and thus quasi forms an inlet funnel for the projection 13.
  • FIG. 2 shows a side view of the plug connection 1 shown in FIG. 1. The same parts are provided with the same reference numbers, so that their detailed description can be dispensed with.
  • This means that the connecting line 15 between the stub axle 11 and the projection 13 on the locking lever 7 forms an angle of ⁇ 60 ° with the perpendicular 17.
  • the projection has penetrated through the inlet funnel 35 into an area of the link 27, in which it touches both the first guide surface 31 and the second guide surface 33.
  • the female connector 3 is pushed further into the male connector 21. In this position, the round pins 23 have first contact with the contact carriers within the grip shell 5.
  • the female connector 3 must be pressed manually into the male connector 21 in order to reach the position shown in FIG.
  • the projection 13 slides along the run-up slope 29.
  • the locking lever 7 may have to be lifted over the locking nose 19.
  • FIG. 3 shows the same plug connection 1. Again, the same parts are provided with the same reference numerals, so that their detailed description can be dispensed with.
  • the locking lever 7 has been pivoted upward, so that the between the connecting line 15 and the perpendicular included angle ⁇ is less than 60 °.
  • the projection 13 slides along the first guide surface 31 and is supported on the latter.
  • the female connector 3 is pressed further into the male connector 2i, so that round pins come more and more into contact with the contact carrier arranged inside the handle shell 5.
  • Locking lug 19 can be provided in the first guide surface 31 with a dotted recess 37 in which the projection 13 comes to rest in the locking position of the locking lever 7, so that an additional security against loosening of the locking is ensured.
  • the stroke of the locking movement during the pivoting of the locking lever 7 is determined by the pivot angle and by the distance A between the projection 13 and the stub shaft 11.
  • the locking lever 7 In order to open the plug connection 1, the locking lever 7 must be pivoted in the opposite direction, whereby it must be lifted over the locking lug 19.
  • the projection 13 When the lever is unlocked, the projection 13 is supported on the second guide surface 33 of the link 27.
  • the two guide surfaces run parallel to each other. However, it is also possible to provide a different course of the curve of the second guide surface and to achieve a different stroke movement while opening the plug connection 1.
  • the projection 13 moves to the right in the slot delimited by the guide surfaces until the first guide surface 31 can no longer hinder the projection 13 from moving upward.
  • the female connector 3 When the plug connection 1 is locked, the female connector 3 is displaced essentially parallel to the male connector 21.
  • a plurality of locking devices can also be provided, which can then be operated more or less simultaneously.
  • corresponding locking levers can also be provided on the rear side of the female connector 3.
  • the locking levers arranged on the two sides of the female connector can also be connected to one another that quasi a locking bracket is formed. In this way, very large contact forces but also unlocking forces can be applied.
  • FIG. 6 shows a plurality of plug connections lying next to one another, as were basically explained with reference to FIGS. 1 to 5.
  • the male connector 210 reproduced here which serves as a male plug, differs by several housing sections 25a, 25b, 25c, 25d, which are arranged next to one another.
  • a female plug or a female connector 3 is assigned to each of these housing sections.
  • the design of the individual spring strips can vary. It can be seen from FIG. 6 that not only the width but also the height of the female connectors can be designed differently.
  • each spring bar is assigned its own locking lever 7, which interacts with a corresponding link, the two opposing guide surfaces 31 and 33 assigned to the projection 13 describing an arcuate section. The course of the guide surfaces is in turn adapted to the desired stroke and the actuating torque during the locking process.
  • the right-most female connector is provided on its outside of the housing with a locking lug 19, which holds the locking lever 7 in its end position, as shown in FIG. 4.
  • the design of the lever 7 is irrelevant for the locking function.
  • the female connector shown on the far left in FIG. 6 is designed such that it interacts with contacts of the male connector 210 designed as a knife 41.
  • knife bar “210 rich by various Be ⁇ Bl, B2, B3, B4, characterized B5, which differ exemplified here by various types of contacts and also by the number of selected contacts.
  • knife contacts 41 are provided which differ in their width from knife contacts 43 in area 5.
  • Round or post pins 45 are provided as contacts in the other areas B2, B3 and B4.
  • the individual female connectors can have more than one locking device.
  • two locking levers arranged on one side can be provided. Locking devices of this type can also be fitted on both opposite longitudinal sides of the female connector.
  • any contact forms can be used, as can be seen from FIG.
  • the stroke range required to establish the electrical connection is considerably smaller than when the spring bars pivot.
  • a bending loop of the associated wiring harness can also be omitted.
  • a modularly constructed cable harness has a speaking contact point can be electrically connected.
  • individual cable strands assigned to different regions of the male connector can be electrically connected.
  • the order in which the plug-in connection of the individual female connectors is made can be specified, it being possible for a plug-in order to be specified both when the connection is closed and when it is opened.
  • the contacts can be miniaturized. For example, in the area B4 a large number of many contacts are provided at a short distance from one another. High contact forces are applied by the locking device, so that a comfortable and secure connection is ensured here.
  • run-up slopes can be provided in the individual scenes, which ensure that the locking lever moves from any starting position into the starting position when the plug parts are manually assembled Inlet funnel of the backdrop is guided and assumes its starting position, which then a safe Allows locking while pivoting the lever.
  • the right side wall 59 of the first contact support bar 51 is provided with a locking projection 61 which has two horizontal wall areas 65 and 67 which are connected to one another by a vertical wall area 63 and which are offset in height from one another.
  • the left side wall 69 of the second contact carrier strip has a locking lug 71 which has horizontal wall areas 75 and 77 connected by a vertical wall area 73, which in turn are offset in height from one another.
  • the horizontal regions 65 and 75 of the contact carrier strips starting from the side wall are again offset in height from one another, while the horizontal wall regions 67 and 77 starting from the vertical wall regions 63 and 73 are arranged approximately at the same height.
  • the right wall 59 of the first contact carrier strip 51 is provided with a recess 79 immediately below the horizontal wall section 65. Underneath there is a further recess 81. 83 recesses 85 and 87 are provided in the left wall opposite the recesses 79 and 81. Immediately above the horizontal wall area 75 of the locking device 71 of the second contact strip 53, a recess 89 is provided in the left wall 69 thereof, and immediately below this wall area a further recess 91. Recesses 93 are located opposite the recesses 89 and 91 and 95 are provided in the right wall 97 of the second contact carrier strip 53.
  • the recesses 79 and 89 in the side walls 59 and 69 are continuous, that is, they extend in the longitudinal direction of the contact carrier strips 51 and 53.
  • the locking devices 61 and 71 of the contact carrier strips 51 and 73 can be designed as a locking comb his.
  • the expansions of the vertical and horizontal wall areas of the locking devices 61 and 71 are designed and matched to one another in such a way that when the two contact strips are inserted one into the other, a form-fitting cohesion is ensured, displacement of the contact carrier strips relative to one another perpendicular to the direction of displacement being ruled out is.
  • the contact Carrier strips can therefore only be moved up and down together. Also, the distance between the contact carrier strips can no longer be increased after the locking device has been produced. Overall, this results in a very dimensionally stable composite, which is particularly important because high locking forces can be achieved with the plug connection described above. It should be emphasized that in this way more than two adjacent contact carrier strips can be locked together.
  • a further stabilization of the contact carrier strips is achieved by a pushed-on reinforcing device 99 shown in FIG. 9, the inside dimension of which is selected such that the firmly connected contact carrier strips bear against the inner wall of the reinforcing device.
  • projections 101 extending from the inner wall engage in the recesses 85 and 93 in the left wall 83 of the first contact carrier strip 51 and in the right wall 97 of the second contact carrier strip 53.
  • a vertical displacement of the reinforcing device 99 relative to the contact carrier strips 51 and 53 are reliably excluded in this way, since the height dimension of the projections is matched to the height of the recesses 85 and 93.
  • contact elements 103 are inserted, which with resilient locking lugs 105 engage in the recesses 91 and 95 in the walls 69 and 97 of the second contact carrier strip 53. fen and thus are secured against longitudinal displacement within the recesses 55.
  • Such contact elements made of resilient metal are known, as is their assembly within the contact carrier strips, so that there is no need to go into them further.
  • Corresponding contact elements are also inserted into the first contact carrier strip 51. For reasons of better clarity, they are not shown here.
  • FIG. 9 shows contacts 107 of a male connector 109, which is only indicated here, in order to make the mode of operation clear.
  • projections 111 are provided, which snap into suitable recesses in a grip shell 5 which is pushed over the structural unit shown in FIG.
  • the projections 111 give this structural unit a secure hold within the grip shell, so that a very stable female connector is produced.
  • the plug connection 1 1 has, according to the above explanations as a female plug part, a female connector 3 'and a male connector 21' referred to as a male connector part. This is in turn provided with four rows and contacts 107 lying side by side, which engage in recesses 55 'of a contact support strip 151 which is formed here in one piece. Contacts that are not shown in detail here can be secured by a known sliding plate 153 within the contact carrier strip 151.
  • a housing section 5 'of the grip shell projects into the housing section 25' of the male connector 21 ', the length of the two sections measured in the vertical direction being matched to one another such that the underside of the housing section 5 is in the assembled state of the plug parts '
  • the female connector 3' compresses a seal 155 moisture-tight, which is basically arranged in the male connector 21 ".
  • the female connector 3 ' is connected to the male connector 21 * by means of a locking device (not shown here), as was explained in detail with reference to FIGS. 1 to 5.
  • locking devices 5 '' are provided here, which engage with suitable projections 5 1 ' 1 in recesses 25 11 on the outside of the housing section' 25 '.
  • the cables of a cable harness assigned to the female connector 3 ' can be securely connected to the contacts not shown here and then anchored in the contact carrier bar 151 by means of the locking plate 153. Then the grip 5 of the female connector 3 'is then pushed over the pre-assembled contact carrier bar. Additional recesses in the female connector 3 'for the assembly of any cables are not required, so that a moisture-proof electrical plug connection can be easily implemented.
  • a releasable electrical plug connection can be implemented, which reliably absorbs the forces occurring during the locking of the two plug parts. Detaching the two connector parts from one another is also easily possible by actuating the locking lever. Due to the design of the locking device, which has a link cooperating with a projection provided on the locking lever, high unlocking forces can be applied, so that the contacts of the male connector can be effortlessly removed from the contact carrier bars of the female connector be pulled out. Subsequently, the associated parts of the plug connection can be manually removed from one another.

Landscapes

  • Details Of Connecting Devices For Male And Female Coupling (AREA)

Abstract

On propose une connexion électrique à fiches amovible, en particulier pour relier un faisceau de câbles à un appareil de commande motorisé dans un véhicule à moteur, comportant au moins une réglette de contact à ressort et au moins une réglette de contact à couteau et comportant un dispositif de blocage tirant les contacts de la réglette de contact à couteau dans des réglettes porte-contacts prévues dans la réglette de contact à ressort, connexion caractérisée en ce que le dispositif de blocage (9) présente, sur une partie (3) de la connexion (1), un levier de blocage (7) pivotant autour d'un pivot (11) et équipé d'une pièce en saillie (13), levier de blocage qui coopère avec un coulisseau (27) prévu sur l'autre partie (21) de la connexion (1).
EP92916906A 1991-09-03 1992-08-14 Connexion electrique a fiches amovible Expired - Lifetime EP0555433B1 (fr)

Applications Claiming Priority (3)

Application Number Priority Date Filing Date Title
DE4129236 1991-09-03
DE4129236A DE4129236A1 (de) 1991-09-03 1991-09-03 Loesbare elektrische steckverbindung
PCT/DE1992/000682 WO1993005549A1 (fr) 1991-09-03 1992-08-14 Connexion electrique a fiches amovible

Publications (2)

Publication Number Publication Date
EP0555433A1 true EP0555433A1 (fr) 1993-08-18
EP0555433B1 EP0555433B1 (fr) 1995-11-08

Family

ID=6439741

Family Applications (1)

Application Number Title Priority Date Filing Date
EP92916906A Expired - Lifetime EP0555433B1 (fr) 1991-09-03 1992-08-14 Connexion electrique a fiches amovible

Country Status (5)

Country Link
US (1) US5385870A (fr)
EP (1) EP0555433B1 (fr)
JP (1) JP3226540B2 (fr)
DE (2) DE4129236A1 (fr)
WO (1) WO1993005549A1 (fr)

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DE4241256C2 (de) * 1992-12-08 2001-08-16 Framatome Connectors Int Elektrischer Steckverbinder
DE9304393U1 (de) * 1993-03-23 1993-05-13 Siemens AG, 8000 München Steckverbinder mit Leitungsaustrittskanal
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DE19742697A1 (de) * 1997-09-26 1999-04-22 Siemens Ag Lösbare elektrische Steckverbindung
JP4168483B2 (ja) * 1998-05-29 2008-10-22 モレックス インコーポレーテッド 電線中継方法及び電気コネクタ構造
US6574121B1 (en) 1999-09-29 2003-06-03 Silicon Graphics, Inc. Housing ground bracket and method
US6438309B1 (en) 1999-09-29 2002-08-20 Silicon Graphics, Inc. Cable organizer and method
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Also Published As

Publication number Publication date
US5385870A (en) 1995-01-31
WO1993005549A1 (fr) 1993-03-18
DE59204263D1 (de) 1995-12-14
DE4129236A1 (de) 1993-03-04
EP0555433B1 (fr) 1995-11-08
JPH06501812A (ja) 1994-02-24
JP3226540B2 (ja) 2001-11-05

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