EP2654131B1 - Verbindugnseinheit von Multikontaktanschlüssen mit einem Verwechslungssicherungssystem mit Hilfe von Schlüsseln - Google Patents

Verbindugnseinheit von Multikontaktanschlüssen mit einem Verwechslungssicherungssystem mit Hilfe von Schlüsseln Download PDF

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Publication number
EP2654131B1
EP2654131B1 EP13164044.3A EP13164044A EP2654131B1 EP 2654131 B1 EP2654131 B1 EP 2654131B1 EP 13164044 A EP13164044 A EP 13164044A EP 2654131 B1 EP2654131 B1 EP 2654131B1
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EP
European Patent Office
Prior art keywords
key
housing
connector
fact
keys
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.)
Active
Application number
EP13164044.3A
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English (en)
French (fr)
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EP2654131A2 (de
EP2654131A3 (de
Inventor
Patrice Becavin
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Radiall SA
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Radiall SA
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Publication date
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Publication of EP2654131A2 publication Critical patent/EP2654131A2/de
Publication of EP2654131A3 publication Critical patent/EP2654131A3/de
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Publication of EP2654131B1 publication Critical patent/EP2654131B1/de
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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
    • H01R13/64—Means for preventing incorrect coupling
    • 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
    • H01R13/46—Bases; Cases
    • H01R13/465—Identification means, e.g. labels, tags, markings
    • 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
    • H01R13/639—Additional means for holding or locking coupling parts together, after engagement, e.g. separate keylock, retainer strap
    • 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
    • H01R13/64—Means for preventing incorrect coupling
    • H01R13/641—Means for preventing incorrect coupling by indicating incorrect coupling; by indicating correct or full engagement
    • 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
    • H01R13/64—Means for preventing incorrect coupling
    • H01R13/645—Means for preventing incorrect coupling by exchangeable elements on case or base
    • H01R13/6453—Means for preventing incorrect coupling by exchangeable elements on case or base comprising pin-shaped elements, capable of being orientated in different angular positions around their own longitudinal axes, e.g. pins with hexagonal base

Definitions

  • the present invention relates to a connection assembly having multi-contact connectors connected together and keying keys allowing only the desired connection.
  • Patent application is known EP 1 708 313 in the name of the Applicant a connection assembly comprising a first multicontact connector and a second complementary type multicontact connector.
  • Each connector comprises a housing receiving contacts and the connection assembly comprises a cover for locking the first connector and the second connector.
  • connection assembly comprising multicontact connectors, sold by the applicant under the trade name Amphenol-Air LB - 1900 series.
  • the coupling Mechanical connectors is also provided by foolproof keys in the form of hexagon screws F1 and M1 whose end portion is a tongue or a corresponding groove.
  • a hexagonal screw protrudes on each of the two lateral ends of the housing of the male connector and on each of the two lateral ends of the housing of the female connector.
  • Each screw head has a notch made on a pan of the hexagon and which is a first visual coding mark.
  • each housing At each of its two lateral ends of each housing are engraved, near the hexagonal housing complementary to a screw head, a second visual coding mark in the form of a letter A or B and, above each pan. of the hexagonal housing, a third visual coding mark in the form of a number successively from 1 to 6.
  • a housing hexagonal complementary to a lateral end of a housing by matching the first visual coding mark, namely the notch of the screw head with the second and third visual coding marks, namely the letter A or B and one of the numbers 1 to 6.
  • Such a keying system with four foolproof keys distributed individually on each lateral end of a connector housing or female is advantageous because it allows a coding distortion age up to 36 combinations. It is however not completely satisfactory, because it authorizes the visualization of the codes that by the rear face of the boxes and especially it requires the use Systematic extraction tool to remove the foolproof keys from their home. Indeed, each coding key snapped into a connector housing can be disassembled on the side of the connecting face (connector coupling side) necessarily by pressure of the extractor tool.
  • connection assembly described above, sold under the trade name Amphenol-Air LB - 1900 series and further equipped with a sliding cover on one of the boxes and allowing the locking of two multi-contact connectors between them, such as for example that described in the patent application EP 1 708 313 .
  • a cover in its unlocked position, can come only in relation to one of the lateral ends of the boxes, which implies in fact the impossibility of making the keying of this side side by means of the screws as provided in the marketed set.
  • the inventors have come to the conclusion that improving the commercial connection assembly by providing it with a mutual interlocking cap of the connectors involves having a polarization only on one of the two lateral ends of the boxes.
  • this also implies a coding with a limited number equal to 6 combinations.
  • connection assembly comprising two complementary connectors, in particular multi-contact connectors, such as the one sold under the trade name Amphenol-Air LB-1900 Series, in particular with a view to equipping it with a mutual locking cap between connectors and a coding system on one side end with the possibility of coding with a large number of combinations.
  • the present invention aims to meet all or part of the aforementioned needs.
  • connection assembly with multi-contact connectors with a number of important coding combinations while providing it with a mutual interlocking cap between connectors, mounted sliding on a connector box.
  • each key protrudes from only one of the lateral ends of a housing beyond its connection face.
  • an end portion of a key has at its end or on its outer periphery a first visual indicator distinct from that of the other end portion of the same key, each first visual indicator being visible from outside the housing when the corresponding key is fixed in the housing.
  • the end portion of one of the two keys of the pair comprises the same first visual indicator as the end portion of the other of the two keys of the pair with which it is adapted to fit.
  • the first visual indicators are letters (A, B).
  • the first visual indicators are made by engraving on the keys.
  • the etching is derived from a shape made in the mold of the keys when they are made by molding.
  • this engraving may be an operation performed directly on the keys already made themselves.
  • connection face of the housing respectively of the first and the second connector is adapted to allow manual mounting and disassembly of each key.
  • manual assembly and disassembly is meant in the context of the present invention, the possibility of carrying out assembly and disassembly only by hand without the aid of any tool.
  • the manual assembly and disassembly of each key is made from the connection face of the boxes.
  • a key comprises a fastening flange in its central portion between the two end portions, the collar cooperating by snapping with at least one fastening lug, elastically deformable, formed in the housing of the first or the second connector to fix the key in the case.
  • the bracket (s) can be directly molded and integrated into the housing of a connector. This provides a simple and inexpensive fixing system key fooling.
  • the bracket (s) may be similar to what is usually referred to in English as "clips".
  • Each box may further comprise a shoulder against which the rear of the fastening collar is in abutment while the front of the collar is snapped with the (the) tab (s).
  • This is a kind of dual system for positioning and holding a key in the housing: at the front by the or the fastening lugs and back by abutting against the shoulder.
  • the flange advantageously comprises on its outer periphery a plurality of second visual indicators defining the plurality of angular positions of the key relative to the axis (X) and a lateral end of a housing comprises a viewing window for viewing one second visual indicators when the corresponding key is fixed in the box.
  • the flange has a polygonal outer section, transversely to the axis (X1, X2) of the key and the lateral end of the housing delimits around the lug (s) a polygonal internal section housing. , complementary to that of the flange, the housing and the collar cooperating by interlocking complementary polygonal sections to define one of the plurality of given angular positions of the key relative to the axis X of the housing.
  • the outer section of the flange is octagonal.
  • the viewing window can be arranged laterally in the housing. This is advantageous, especially in the factory for manufacturing and assembling harnesses or connectors when an operator tests the connection of the assembly with keying by the keys according to the invention. Indeed, the operator can then easily view on the side of the connectors if the coding code of the second visual indicators is actually the one sought.
  • the plurality of second visual indicators is preferably a successive series of numbers, such as from 1 to 8. It can be achieved by engraving on the keys.
  • the etching is derived from a shape made in the mold of the keys when they are made by molding. Alternatively, this engraving may be an operation performed directly on the keys already made themselves.
  • At least the flanges of the two keys have the same transverse dimensions and the boxes of the first and second connectors are adapted to accommodate either a key portion, male or female type.
  • this first mode it is possible to mount / disassemble one or the other of the two keys on the plug or on the base of the connection assembly. This allows to double the number of coding combinations between the boxes of the two connectors.
  • a key has its two male end portions and the other key has its two end portions of the female type, it is possible to accommodate either a male key in any box of the record or in that of the base and in the same way, one can accommodate indifferently the corresponding female key in the box of the plug or that of the base.
  • At least the flanges of the two keys have different transverse dimensions and the lateral end of the case of the first connector is adapted to house only the female-type portion of the key at the larger flange when engaged by the (the) tab (s) while the housing of the second connector is adapted to prevent said key to the largest flange to be snapped by the (the) tab (s).
  • the assembly may comprise a solid cylinder projecting from the lateral end of the housing of the first connector to prevent a male type portion of key from being housed.
  • the second embodiment eliminates the possibility of mounting either a key in a box of the plug or that of the base.
  • a female key when only a female key must be mounted in a housing of the first connector, such as a plug, its largest collar prevents it from being snapped into the housing of the second connector.
  • the male key can in this case be housed in the first connector, preferably because of the presence of the solid cylinder with which it enters mechanical interference in case of attempted housing.
  • this second embodiment allows an operator to avoid a possible key reversal error between the boxes respectively of the first and the second connector.
  • the first and second visual indicators together define a coding coding according to several combinations (A1 to A8, B1 to B8).
  • the number of coding combinations may be 32.
  • the two end portions of a key are preferably of the male type, while the two end portions of the other key of the pair are preferably of the female type.
  • one key is only of the male type and the other only of the female type.
  • a female-type key portion is constituted by a cylinder inside which is formed a rectilinear groove along the cylinder, while a male-type portion of a key is constituted by a cylinder on which is formed at least one rectilinear rib along the cylinder, complementary to the groove.
  • three rectilinear grooves are formed inside the cylinder being spaced apart from each other in angular positions and three ribs are formed on the cylinder being spaced from each other at the same angular positions as those of the grooves.
  • a number of three grooves and three corresponding ribs is preferred because it allows on the one hand to have a better mechanical guidance when coupling between the two keying keys and on the other hand to have a better mechanical strength for the keys in case of mating error.
  • connection assembly can be adapted to be mounted on a panel.
  • the first and second connectors are advantageously adapted to be mutually locked.
  • the first connector may comprise a cover slidably mounted on the housing between a locking position in which it cooperates with at least one locking pin of the second connector and an unlocking position in which it projects from a lateral end of the opposite housing. to that on which protrudes the corresponding key of coding.
  • connection face is the face on the side of which the connection with the complementary connector 2 is made.
  • connection assembly 1 comprises a first multicontact connector generally designated by 2 and a second multi-contact connector generally designated 3.
  • the multicontact connectors 2 and 3 are of complementary type, the first connector 2 being for example of the male type being in particular a plug, while that the second connector 3 is of the female type, being in particular a base.
  • the first connector 2 is a female plug and the second connector 3 is a male socket.
  • Each multi-contact connector 2, 3 carries optical, electrical or power signals. Alternatively, signals or power of different types can be carried by each of the multi-contact connectors and contacts of different size and type are then simultaneously disposed within them.
  • the contacts may be single or multiple contacts such as coaxial or triaxial contacts, quadrax contacts, RJ45s or any type of high-speed contacts. These contacts may also be optical contacts with lenticular contacts of "expanded beam” type or contacts “physical contact” type ARINC 801 or EN 4531 or optoelectronic contacts.
  • the first multi-contact connector 2 comprises first a housing 4 which is, in the example described, made in one piece of plastic material.
  • the housing 4 comprises a plurality of cells 42, formed in the housing 4, from a rear face 40 to a front face 41, which can also be designated by connection face, facing the second connector 3 when the connectors 2 and 3 are locked.
  • the faces 40 and 41 are parallel and extend perpendicularly to the rectilinear axis X of the cells 42, this straight axis X being called thereafter "connector axis".
  • the housing 4 may comprise two arms 43 extending beyond the connection face 41 on each side thereof, these arms 43 may include guide grooves 44 detailed thereafter.
  • the arms 43 may extend only parallel to the short sides of the casing 4.
  • the casing 4 may be made in one or two parts to facilitate the installation. in place of maintenance parts which will be described below.
  • the first connector 2 may comprise an attachment portion extending in extension of the housing 4 along the X axis from the rear face 40.
  • This attachment portion comprises for example two branches each having a hooked end. removably on the housing 4 and another end connected to a joining portion.
  • the joining portion may define a plurality of attachment areas.
  • each attachment zone may have a semicircular receiving surface on which the cables to which the first connector 2 is connected can be supported and / or fixed.
  • the first connector 2 may comprise a not shown front seal to be arranged on the connection face 41 of the casing 4 and this front seal may comprise passages facing the cells 42 when the seal is in place on the connection face 41.
  • front seal is for example made of silicone.
  • the first connector 2 may comprise a rear seal 4 'to be arranged against the rear face 40 of the casing 4. Similar to the front seal, this rear seal 4' may comprise as many passages as the casing 4 comprises cells 42, the passages of the rear seal coming opposite the cells 42 when the rear seal 4 'is in place on the rear face 40 of the housing.
  • the cells 42 receive a portion of the contacts 45 of the first connector 2. As best illustrated in FIG. Figures 11A to 11C when they are in place in the housing 4, the contacts 45 also extend out of the cells 42, that is to say, where appropriate in the passages of the front seal 30 and cantilevered.
  • the contacts 45 thus comprise a portion received in the cells 42 and a portion projecting beyond the connection face 41 of the housing 4.
  • the portion received in the cells 42 may have a length of between 50 and 75% of the length contacts 45.
  • a not shown holding part may be disposed in each cell 42 near the rear face 40, this holding part being able to ensure the attachment of a contact 45 in the housing 4.
  • the holding parts may be molded and integrated in the housing 4, in particular in the case where the housing 4 is made in two parts.
  • the first connector 2 comprises at one of its lateral ends, an outgrowth 46 forming a housing of cylindrical inner shape over most of its height h2 which constitutes its bottom.
  • Two fastening tabs 47 elastically deformable, are provided, for example being diametrically opposed one to the other, around the housing 46 at the upper end 48 of the outgrowth.
  • the upper end 48 of this protrusion 46 has a polygonal inner cross section, which is octagonal in the example described.
  • a shoulder 49 is formed between the bottom of the housing and the upper end 48 of the protrusion.
  • the second connector 3 of the connection assembly 1 may comprise a housing 5 made in one piece, a cable attachment part not shown and a rear seal 5 ' .
  • the housing 5 comprises a plurality of cells 52, formed from a rear face 50 to a front face 51, which can also be designated by connection face, facing the first connector 2 when the connectors 2 and 3 are locked.
  • the faces 50 and 51 are parallel and extend perpendicularly to the rectilinear axis X of the cells 52, this rectilinear axis X is also called hereinafter "connector axis”.
  • the cells 52 receive unrepresented contacts of the complementary type of the contacts 45, for cells 42 opposite.
  • one or more locking pins 53 may be provided at least on the upper face of the housing 5. Other locking pins may also be provided on the underside of the housing 5. The locking pins 53 are in the examples considered made in one piece with the housing 5.
  • the second connector 3 may comprise means for fixing to a panel that are not shown.
  • the second multi-contact connector 3 also has at one of its lateral ends, a protrusion 54 on which protrudes a guide pin 55 for guiding the connector 3 in an opening of a panel.
  • the second multi-contact connector 3 similarly to the first connector 2, also comprises at the other of its lateral ends, a protuberance 56 forming a cylindrical inner housing on the major part h3 of its height which constitutes its bottom.
  • Two elastically deformable fixing lugs 57 are formed, for example by being diametrically opposite one another, around the housing 56 at the upper end 58 of the protuberance.
  • the upper end 58 of this protrusion 56 has a polygonal inner cross section, which is octagonal in the example described.
  • a shoulder 59 is formed between the bottom of the housing and the upper end 58 of the protrusion.
  • the second connector 3 finally has guide ribs 34 on each side of the front face 51 of the housing to cooperate with the guide grooves 44 of the first connector 2 in order to provide a guide in translation along the X axis of the connectors during their connection. This will be detailed later with reference to Figures 11A to 11C .
  • the two multi-contact connectors 2, 3 of the connection assembly are advantageously configured to be mutually locked. More precisely, a locking cover 6 is slidably mounted transversely relative to the housing 4 of the first connector 2 between a locking position and an unlocking position, and vice versa.
  • this locking cover 6 may have a U-shaped section in a plane perpendicular to the X axis of the connector 2.
  • the cover 6 then has a bottom 60 coming opposite a lateral face 43 of the housing 4 and two branches 61 parallel respectively facing a portion of the upper face of the housing 4 and a portion of the lower face of the housing 4.
  • one or more windows 62 may be formed in one of the branches 61, or in each branch 61. These windows 62 may have, when viewed in plan view or below the case 4, a shape substantially in L. larger dimension measured between two opposite edges of a window 62 defines the amplitude of the sliding movement of the locking cover 6 with respect to the housing 4 as it moves from a locking position to an unlocking position.
  • a first step the first connector 2 with the locking cover 6 in the unlocked position is pushed, for example by hand, to the second connector 3 which has been previously introduced through an opening of a panel and secured to this panel.
  • the locking cover 6 is in contact with the housings 4 and 5.
  • the locking pins 53 of the housing 5 are received in the small portion of the L formed by each groove 62 of the locking cap 6.
  • a force is exerted, for example by hand, perpendicular to the axis X. This force causes the sliding of the locking cover 6 relative to the housings 4 and 5, transversely to the axis X.
  • each pin 53 is abutted against an edge of the groove 62 and blocked in the latter.
  • the cover 6 is then in the locked position, solidarisant one to the other connectors 2 and 3.
  • connection assembly 1 As can be seen on the Figures 11A to 11C the maximum space induced by the connection assembly 1 is in the example described imposed by the distance L between the two growth means 54, 56 of the housing 5 of the second connector 3.
  • connection assembly 1 the length measured along the axis X between the rear face 40 of the housing 4 and the free end of each arm 43 is 25 mm. Still in this example, the height of the housing 4 measured between its upper face and its lower face is 14 mm, the width of the cover 6 is 62 mm and the amplitude according to which the cover 6 moves when it passes from the unlocked position in the locked position and vice versa is 8 mm.
  • the distance L between the two protuberances 54, 56, measured perpendicular to the X axis is 80 mm
  • the height of the housing 5 is 14 mm
  • the length of the housing 5 measured along the X axis between two opposite faces is 23.50 mm.
  • connection assembly 1 further comprises a coding system consisting of a pair of two coding keys 7, 8, each key being of elongate shape along an axis (X1, X2),
  • each key 7, 8 projects at only one of the lateral ends 46, 56 of a housing 4, 5 beyond its connection face 41, 51.
  • each key 7, 8 comprises at each of its ends a portion 70, 71; 80, 81 whose peripheral surface is provided with at least one protruding form 83, 84 and / or recessed 73, 74.
  • each key 7, 8 is adapted to be fixed by one 70, 80 or the other 71, 81 of its end portions to the housing 4 of the first connector 2 and / or the housing 5 of the second connector 3 according to a plurality of given angular positions with respect to the axis (X).
  • the key 7 is a female key that is to say with its two end portions 70, 71 of the female type and the key 8 is of the male type with its two end portions 80, 81 of the male type.
  • the female key 7 comprises an end portion 70 on which is engraved a visual indicator A and a second end portion 71 on which is engraved a visual indicator B.
  • the two end portions 70, 71 are separated by an octagonal section fastening flange 72.
  • a successive series of digits 1 to 8 is engraved on the flange 72. More precisely, a number is engraved on each face of the octagonal section so as to form the successive series. This successive series is visible in ascending order when the key 7 is rotated about its axis in the counter-clockwise direction.
  • the end portion 70 is a cylinder inside which are formed three straight grooves 74 along the cylinder being spaced apart from each other in angular positions.
  • the end portion 71 is a cylinder inside which are formed three grooves 73 rectilinear along the cylinder being spaced apart from each other in angular positions. The spacing between the grooves 73 of the end portion 71 is different from that between the grooves 74 of the end portion 70.
  • two adjacent grooves 74 are spaced from each other by an angle of 90 ° while the third groove 74 is spaced from each of the other two grooves 74 by an angle of 135 °.
  • two adjacent grooves 73 are spaced from each other by an angle of 180 ° while the third groove 73 is spaced from each of the other two grooves 73 by an angle of 90 °.
  • the male key 8 comprises an end portion 80 on which is engraved a visual indicator A and a second end portion 81 on which is engraved a visual indicator B.
  • the two end portions 80, 81 are separated by a flange 82 of octagonal section fastening.
  • a successive series of digits 1 to 8 is engraved on the flange 82. More precisely, a number is engraved on each face of the octagonal section so as to form the successive series. This successive series is visible in ascending order when the key 8 is turned about its axis in the clockwise direction.
  • the end portion 80 is a cylinder on which are formed three ribs 84 rectilinear along the cylinder being spaced apart from each other in angular positions.
  • the end portion 81 is a cylinder on which are formed three ribs 83 rectilinear along the cylinder being spaced apart from each other in angular positions.
  • the spacing between the ribs 83 of the end portion 81 is different from that between the ribs 84 of the end portion 80.
  • the three rectilinear ribs 83 are of complementary shape with the three grooves 73 being spaced apart from each other in the same angular positions.
  • two adjacent ribs 83 are spaced apart from each other at an angle of 180 ° while the third rib 83 is spaced from each of the other two ribs 83 at an angle of 90 °.
  • the three rectilinear ribs 84 are of complementary shape with the three grooves 74 being spaced apart from each other in the same angular positions.
  • two adjacent ribs 84 are spaced from each other by an angle of 90 ° while the third rib 84 is spaced from each of the other two ribs 84 by an angle of 135 ° .
  • FIGS 4A and 4B there is shown a coupling between the end portions 70, 80 complementary keys 7, 8 defining a coding according to eight combinations A1, A2, .... A8.
  • Figures 4A and 4B there is shown a coupling between the end portions 71, 81 complementary keys 7, 8 defining a coding according to eight possible combinations B1, B2, .... B8.
  • each key 7 or 8 has a length 1 of 15 mm and a diameter ⁇ of flange 72, 82, that is to say between two sections of the hex facing each other of the order of 5.5 mm.
  • the housing 46, 56 have a length h of the order of 10 mm.
  • the key 7 or 8 is also positioned according to the desired angular position relative to the axis X.
  • the faces of the octagonal section are positioned according to the number 1 to 8 that the we want to visualize laterally to the case 4 or 5.
  • the key 7 or 8 is inserted in the housing 46 or 56 until its fastening flange 72, 82 comes firstly against the shoulder 49, 59 made in the housing and secondly snap into place with the two brackets 47 or 57.
  • the key 7 or 8 is fixed to the housing 4 or 5 of the connector 2 or 3 selected and the angular positioning determined with respect to the X axis is achieved.
  • FIG. 5 An example of combination A5 is shown in figure 5 .
  • the male key 8 is snapped inside the housing 56 of the second connector 3 so as to show on the one hand laterally the digit 5 which can be visualized by the viewing window 90 provided for this effect in the protrusion 56 and secondly end letter A which can be viewed in connection front view of said second connector.
  • the female key 7 is snapped inside the housing 46 of the first connector 2 so as to show on the one hand laterally the digit 5 which can be visualized by the viewing window 91 provided for this purpose in the protrusion 46 and, on the other hand, laterally the letter A, which can therefore be viewed in side view of said first connector 2.
  • FIG. 1 to 7 a first embodiment according to the invention is shown according to which the mounting of the female key 7 or of the male key 8 indifferently on the first connector 2 or on the second connector 3.
  • This mode is advantageous makes it possible to double the number combinations of coding between the housings 4, 5, up to 32 combinations in the illustrated example.
  • the flanges 72, 82 of the two keys 7, 8 have the same transverse dimensions and each housing 46, 56 of housing 4, 5 can accommodate either an end portion 70, 71 of female key 7 or a portion end 80, 81 of the male key 8 with a possible snap-together indifferently due to the same dimensioning and arrangement of the shoulders 49, 59 and the brackets 47, 57.
  • This first mode may, however, have a disadvantage because it may involve a risk mounting error if inadvertently an operator mounts a male key 8 instead of a female 7 and vice versa.
  • the female key 7 can be mounted in only one connector, the first connector 2 in the example shown.
  • the male key 8 can be mounted in only one connector, the second connector in the example described.
  • the transverse dimensions of the flange 72 of the female key 7 are enlarged relative to that 82 of the male key 8, which prevents the mounting of the female key 7 in the housing 56 of the housing 5 adapted only for housing the male key 8.
  • the transverse dimensions of the end portions 70, 71 of the female key can also be enlarged.
  • the mechanical interference that results between the female key 7 and the housing 56 is represented by figure 9 : in this figure, it is clearly seen that the female key 7 abuts against the periphery of the housing 56 without being able to be housed therein.
  • the bottom of the housing 46 of the housing 4 adapted only to house the female key 7 is equipped with a solid cylinder 9.
  • the solid cylinder 9 enters the interior of one of end portions 70, 71 without posing any mounting problem.
  • the solid cylinder 9 abuts against the male key 8 and thus prevents its attachment by snapping.
  • the mechanical interference between the solid cylinder 9 and the male key 8 is represented in FIG. figure 10 : in this figure, it is clearly seen that the male key 8 abuts against the full cylinder 9.
  • connection steps that is to say of mechanical and electrical connection between connectors 2 and 3 and their contacts and mechanical coupling by the foolproof keys 7, 8 are represented in FIG. Figures 11A to 11C .
  • the boxes 4, 5 of the connectors 2, 3 are aligned along their axis X by facing their connection faces 41, 51.
  • the guide grooves 44 are brought into contact with each other in the arm 43 of the housing 4 first connector 2 with the guide ribs 34 of the housing 5 of the second connector 3, as shown in FIG. figure 11A .
  • connection faces 41, 51 are in plane contact with each other.

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  • Connector Housings Or Holding Contact Members (AREA)

Claims (14)

  1. Verbindungseinheit (1) mit:
    - einem ersten Verbinder, insbesondere einem Multikontakt-Verbinder (2), und
    - einem zweiten Verbinder, insbesondere einem Multikontakt-Verbinder (3), von einem zu dem ersten Verbinder komplementären Typ, wobei die ersten und zweiten Verbinder jeweils ein Gehäuse (4, 5) aufweisen, das sich längs einer Achse (X) erstreckt und eine Verbindungsfläche aufweist, wobei die ersten und zweiten Verbinder durch ihre Verbindungsflächen miteinander verbunden sind,
    - wenigstens einem Paar von miteinander gekoppelten Schlüsseln (7, 8) zur Verwechselungssicherung, wobei jeder Schlüssel eine längs einer Achse (X1, X2) langgestreckte Form hat und von einem Gehäuse (4, 5) über dessen Verbindungsfläche (41, 51) hinaus vorspringt,
    wobei jeder Schlüssel an jedem seiner Enden einen Abschnitt (70, 71; 80, 81) aufweist, dessen Umfangsfläche wenigstens eine vorspringende und/oder ausgehöhlte Form aufweist, und jeder Schlüssel dazu eingerichtet ist, mit dem einen oder dem anderen seiner Endabschnitte in einer von mehreren gegebenen Winkelpositionen in Bezug auf die Achse (X) am Gehäuse des ersten oder zweiten Verbinders fixiert zu werden,
    dadurch gekennzeichnet, dass jeder Endabschnitt des einen der beiden Schlüssel dazu eingerichtet ist, durch einander komplementierende Formen in einen einzigen Endabschnitt des anderen der beiden Schlüssel längs ihrer gemeinsamen Achse (X1 = X2) und in einer einzigen relativen Winkelstellung eingepasst zu werden.
  2. Verbindungseinheit (1) nach Anspruch 1, dadurch gekennzeichnet, dass sie zwei miteinander gekoppelte Schlüssel zur Verwechselungssicherung aufweist, von denen jeder an nur einem der seitlichen Enden (46, 56) eines Gehäuses (4, 5) über dessen Verbindungsfläche (41, 51) hinaus vorspringt.
  3. Verbindungseinheit (1) nach Anspruch 1 oder 2, dadurch gekennzeichnet, dass ein Endabschnitt (70 oder 71; 80 oder 81) eines Schlüssels am Ende oder auf seinem äußeren Umfang eine erste visuelle Anzeige (A oder B) aufweist, die von derjenigen (B oder A) des anderen Endabschnitts desselben Schlüssels verschieden ist, wobei jede erste visuelle Anzeige von außerhalb des Gehäuses sichtbar ist, wenn der entsprechende Schlüssel in dem Gehäuse fixiert ist.
  4. Verbindungseinheit (1) nach Anspruch 3, dadurch gekennzeichnet, dass der Endabschnitt (70 oder 71; 80 oder 81) des einen der beiden Schlüssel (7, 8) des Paares die gleiche erste visuelle Anzeige (A oder B) aufweist wie der Endabschnitt des anderen der beiden Schlüssel des Paares, in den er sich einpassen lässt.
  5. Verbindungseinheit (1) nach Anspruch 3 oder 4, dadurch gekennzeichnet, dass die ersten visuellen Anzeigen Buchstaben (A, B) sind.
  6. Verbindungseinheit (1) nach einem der Ansprüche 1 bis 5, dadurch gekennzeichnet, dass das jeweilige Gehäuse (4, 5) des ersten und des zweiten Verbinders dazu eingerichtet ist, die manuelle Montage und Demontage jedes Schlüssels zu erlauben.
  7. Verbindungseinheit (1) nach Anspruch 6, dadurch gekennzeichnet, dass ein Schlüssel (7, 8) in seinem Mittelabschnitt zwischen den beiden Endabschnitten (70, 71; 80; 81) einen Befestigungskragen (72, 82) aufweist, der durch Verrastung mit wenigstens einer elastisch verformbaren Befestigungslasche (47, 57) zusammenwirkt, die in einem Gehäuse des ersten oder des zweiten Verbinders ausgebildet ist, um den Schlüssel in dem Gehäuse (4, 5) zu fixieren.
  8. Verbindungseinheit nach Anspruch 7, dadurch gekennzeichnet, dass der Kragen (72, 82) an seinem äußeren Umfang mehrere zweite visuelle Anzeigen aufweist, beispielsweise Zahlen von 1 bis 8, die die Vielzahl der Winkelpositionen des Schlüssels in Bezug auf die Achse (X) definieren, und dass ein seitliches Ende (46, 56) eines Gehäuses (4, 5) ein Sichtfenster (90, 91) aufweist, um eine der zweiten visuellen Anzeigen sichtbar zu machen, wenn der entsprechende Schlüssel in dem Gehäuse fixiert ist.
  9. Verbindungseinheit (1) nach Anspruch 7 oder 8, dadurch gekennzeichnet, dass der Kragen (72, 82) quer zu der Achse (X1, X2) des Schlüssels einen polygonalen äußeren Querschnitt hat und dass das Gehäuse um die Lasche oder Laschen herum eine Aufnahme mit polygonalem Innenquerschnitt, komplementär zu denen des Kragens, bildet, wobei die Aufnahme und der Kragen durch Ineinandergreifen der komplementären polygonalen Querschnitte zusammenwirken, um eine der mehreren gegebenen Winkelstellungen des Schlüssels in Bezug auf die Achse X des Gehäuses zu definieren.
  10. Verbindungseinheit (1) nach einem der Ansprüche 8 oder 9, dadurch gekennzeichnet, dass die mehreren zweiten visuellen Anzeigen eine Serie aufeinanderfolgender Zahlen, beispielsweise von 1 bis 8 bilden.
  11. Verbindungseinheit (1) nach einem der Ansprüche 7 bis 9, dadurch gekennzeichnet, dass wenigstens einer der Kragen (72, 82) der beiden Schlüssel die gleichen transversalen Abmessungen hat und dass die Gehäuse (4, 5) des ersten und des zweiten Verbinders dazu angepasst sind, ebenso einen männlichen wie einen weiblichen Abschnitt des Schlüssels (7, 8) aufzunehmen.
  12. Verbindungseinheit (1) nach einem der Ansprüche 7 bis 10, dadurch gekennzeichnet, dass wenigstens einer der Kragen (72, 82) der beiden Schlüssel verschiedene transversale Abmessungen hat und dass das Gehäuse (4) des ersten Verbinders (2) dazu eingerichtet ist, nur den männlichen Abschnitt des Schlüssels (7) mit dem größten Kragen aufzunehmen, wenn er durch die Lasche oder Laschen verrastet ist, während das Gehäuse (5) des zweiten Verbinders (3) dazu angepasst ist, das Einrasten dieses Schlüssels (7) mit dem größten Kragen an der Lasche oder den Laschen zu verhindern.
  13. Verbindungseinheit (1) nach einem der Ansprüche 3 bis 4 in Verbindung mit einem der Ansprüche 7 bis 12, dadurch gekennzeichnet, dass die ersten und zweiten visuellen Anzeigen zusammen eine Codierung zur Verwechselungssicherung mit mehreren Kombinationen (A1 bis A8, B1 bis B8) definieren.
  14. Verbindungseinheit nach einem der vorstehenden Ansprüche, dadurch gekennzeichnet, dass ein weiblicher Abschnitt (70, 71) des Schlüssels durch einen Zylinder gebildet wird, in dessen Innerem wenigstens eine geradlinig längs des Zylinders verlaufende Nut (74, 73) ausgebildet ist, während ein männlicher Abschnitt (80, 81) des Schlüssels durch einen Zylinder gebildet wird, an dem wenigstens eine geradlinig längs des Zylinders verlaufende, zu der Nut (74, 73) komplementäre Rippe (84, 83) ausgebildet ist.
EP13164044.3A 2012-04-18 2013-04-17 Verbindugnseinheit von Multikontaktanschlüssen mit einem Verwechslungssicherungssystem mit Hilfe von Schlüsseln Active EP2654131B1 (de)

Applications Claiming Priority (1)

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FR1253575A FR2989846B1 (fr) 2012-04-18 2012-04-18 Ensemble de connexion a connecteurs multicontacts avec systeme de detrompage par cle

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FR2989846B1 (fr) 2014-05-23
US20130280950A1 (en) 2013-10-24
US8911263B2 (en) 2014-12-16
ES2552005T3 (es) 2015-11-25
EP2654131A2 (de) 2013-10-23
EP2654131A3 (de) 2014-11-12
CN103378488A (zh) 2013-10-30
FR2989846A1 (fr) 2013-10-25
CN103378488B (zh) 2017-04-12

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