EP0711002A2 - Boîtier de connexion pour un connecteur d'airbag et procédé pour contacter un boîtier de connexion - Google Patents

Boîtier de connexion pour un connecteur d'airbag et procédé pour contacter un boîtier de connexion Download PDF

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Publication number
EP0711002A2
EP0711002A2 EP95117441A EP95117441A EP0711002A2 EP 0711002 A2 EP0711002 A2 EP 0711002A2 EP 95117441 A EP95117441 A EP 95117441A EP 95117441 A EP95117441 A EP 95117441A EP 0711002 A2 EP0711002 A2 EP 0711002A2
Authority
EP
European Patent Office
Prior art keywords
locking
connector housing
latching
connector
web
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Withdrawn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
EP95117441A
Other languages
German (de)
English (en)
Other versions
EP0711002A3 (fr
Inventor
Karsten Schmidt
Werner Moritz
Reinhard Pusch
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.)
Grote and Hartmann GmbH and Co KG
Original Assignee
Grote and Hartmann GmbH and Co KG
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Priority claimed from DE4439786A external-priority patent/DE4439786A1/de
Priority claimed from DE19535836A external-priority patent/DE19535836C2/de
Application filed by Grote and Hartmann GmbH and Co KG filed Critical Grote and Hartmann GmbH and Co KG
Publication of EP0711002A2 publication Critical patent/EP0711002A2/fr
Publication of EP0711002A3 publication Critical patent/EP0711002A3/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Withdrawn legal-status Critical Current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
    • H01R13/46—Bases; Cases
    • H01R13/502—Bases; Cases composed of different pieces
    • H01R13/506—Bases; Cases composed of different pieces assembled by snap action of the parts
    • 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
    • H01R13/6272—Latching means integral with the housing comprising a single latching arm
    • 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
    • H01R13/66—Structural association with built-in electrical component
    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01R—ELECTRICALLY-CONDUCTIVE CONNECTIONS; STRUCTURAL ASSOCIATIONS OF A PLURALITY OF MUTUALLY-INSULATED ELECTRICAL CONNECTING ELEMENTS; COUPLING DEVICES; CURRENT COLLECTORS
    • H01R2201/00—Connectors or connections adapted for particular applications
    • H01R2201/26—Connectors or connections adapted for particular applications for vehicles
    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01R—ELECTRICALLY-CONDUCTIVE CONNECTIONS; STRUCTURAL ASSOCIATIONS OF A PLURALITY OF MUTUALLY-INSULATED ELECTRICAL CONNECTING ELEMENTS; COUPLING DEVICES; CURRENT COLLECTORS
    • H01R4/00—Electrically-conductive connections between two or more conductive members in direct contact, i.e. touching one another; Means for effecting or maintaining such contact; Electrically-conductive connections having two or more spaced connecting locations for conductors and using contact members penetrating insulation
    • H01R4/24—Connections using contact members penetrating or cutting insulation or cable strands
    • H01R4/2416—Connections using contact members penetrating or cutting insulation or cable strands the contact members having insulation-cutting edges, e.g. of tuning fork type
    • H01R4/2445—Connections using contact members penetrating or cutting insulation or cable strands the contact members having insulation-cutting edges, e.g. of tuning fork type the contact members having additional means acting on the insulation or the wire, e.g. additional insulation penetrating means, strain relief means or wire cutting knives
    • H01R4/2466—Connections using contact members penetrating or cutting insulation or cable strands the contact members having insulation-cutting edges, e.g. of tuning fork type the contact members having additional means acting on the insulation or the wire, e.g. additional insulation penetrating means, strain relief means or wire cutting knives the contact members having a channel-shaped part, the opposite sidewalls of which comprise insulation-cutting means
    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01R—ELECTRICALLY-CONDUCTIVE CONNECTIONS; STRUCTURAL ASSOCIATIONS OF A PLURALITY OF MUTUALLY-INSULATED ELECTRICAL CONNECTING ELEMENTS; COUPLING DEVICES; CURRENT COLLECTORS
    • H01R43/00—Apparatus or processes specially adapted for manufacturing, assembling, maintaining, or repairing of line connectors or current collectors or for joining electric conductors
    • H01R43/18—Apparatus or processes specially adapted for manufacturing, assembling, maintaining, or repairing of line connectors or current collectors or for joining electric conductors for manufacturing bases or cases for contact members

Definitions

  • the invention relates to a connector housing for an airbag connector and a method for contacting an airbag connector.
  • Airbags are safety devices in motor vehicles that consist of an airbag that is inflated in a split second by means of a gas generator and can thus protect vehicle occupants from serious injuries in the event of an accident.
  • the gas generator contains a small explosive charge that is activated by a squib.
  • an airbag module comprising the airbag, the gas generator and the squib, is inserted into the motor vehicle as a prefabricated part and electrically contacted by means of an airbag plug.
  • Known connector housings for airbag plugs are formed in two parts from an approximately cuboid base part and a cover which can be plugged and locked with the base part.
  • a cylindrical tower extends down from the bottom of the base.
  • Two contact sockets are provided in the tower for receiving one pin each of the squib, so that the prefabricated airbag module can be plugged in easily can be contacted with ignition leads.
  • the shape of the airbag connector is standardized and the same for all motor vehicle manufacturers.
  • a coil is also housed in the airbag connector and is connected in series with the squib. Therefore, three contact elements are provided in the airbag connector, a first contact element that connects a first ignition line to a coil connection, a second contact element that connects another coil connection to a first plug pin of the squib, and a third contact element that connects a second plug pin to a second ignition line connects.
  • the contacting of the first and third contact elements is carried out by the motor vehicle manufacturer and is conventionally carried out by soldering or crimping.
  • the individual contact elements are inserted into the base part of the airbag connector, the first and third contact elements are soldered or crimped to ignition lines, and the cover is then placed on and locked to the base part.
  • a connector housing in which insulation displacement contacts are provided for contacting lines.
  • This connector housing consists of a cover and a basic housing.
  • the cover sits on the base housing in a latchable manner, a pre-assembly position (pre-latching position) and an end position (end latching position) of the lid being provided.
  • pre-latching position a pre-assembly position
  • end latching position an end position of the lid
  • Such insulation displacement contacts with a pre-and final latching position allow electrical conductors to be contacted quickly and securely to the corresponding contact elements.
  • DE 35 41 610 A1 describes a belt device with which plastic housings can be connected to form an elastic housing belt.
  • the housings are designed to be pluggable and have for this purpose e.g. on a top a protruding, molded material web and e.g. a recess for the material web on the opposite underside.
  • housing belt form a flexible belt that can be rolled up and machined.
  • This belt device requires little material for the connection of the housings, and the housings can be separated from one another in a relatively simple manner.
  • connector housings with locking devices are known in order to lock the connector of the connector housing with a mating connector housing.
  • Such locking devices usually have on the one connector housing a locking element acting against an elastic restoring force, for example a pivotable lever arm or bridge, which with a locking projection or locking recess with a corresponding but rigid or immovable locking recess or locking projection of the other part to be locked cooperates.
  • the lever arm or the bridge can be designed with one or two arms.
  • the releasable or releasable latching devices have an actuating device or an actuating element for pivoting the lever arm for releasing the latching, or the latching elements are designed such that they act upon the action of a specific one Force, for example a tractive force, be disengaged or released.
  • the known latching devices are either designed to be easily releasable after the latching or they are designed such that they remain permanently locked and cannot be separated without destroying the latching elements. Uncontrolled unlatching can lead to an undesired malfunction or non-function of the airbag, particularly in the case of airbag plugs, so that the safety function of the airbag is not guaranteed.
  • Airbags are now installed in almost all motor vehicles, so that the connector housing for airbag plugs form a mass product and therefore, in addition to the high safety requirements, must also be easy to contact or process, whereby they should require little material during manufacture.
  • the object of the invention is to provide a connector housing suitable for an airbag connector, which meets the high safety requirements for an airbag connector, can be easily contacted or processed, is simple in design and, in particular, requires little material during manufacture.
  • the task is accomplished by a connector housing for an airbag connector solved with the features of claim 1 or with the features of claim 14.
  • the at least two-part connector housing according to claim 1 is provided with locking elements for a preliminary and final locking position, the two housing parts being arranged at a distance in the preliminary locking position and the preliminary locking position being fixed by a spacer. This ensures that the pre-locking position is maintained at a predetermined distance, so that one or more electrical conductors can be inserted into the connector housing, wherein the connector housing can be compressed to form a insulation displacement contact with a contact element located in the connector housing and in the End position locked.
  • the connector housing is also provided with a belt device, the spacer being formed in one piece with one of the elements of the belt device.
  • the spacer ensures that the connector housing is not accidentally pressed from the pre-locking position into the final locking position.
  • the belt devices are cut off, so that the spacer is also removed with the belt devices.
  • the contacting process therefore requires only two work steps, namely the insertion of the electrical line and the combined compression of the connector housing and the cutting off of the belt devices. This can be done fully automatically at high processing speed, since the connector housing according to the invention is protected from incorrect insertion by the spacer.
  • the connector housing according to claim 14 has a locking device with a movable locking element.
  • the locking device is provided with a locking device with a locking bolt which blocks the movement of the movable locking element in a locking position.
  • the locking member is between the locked position and a pre-locking position is displaceable, so that both an uncontrollable unlocking is prevented and a release of the locking device is possible.
  • a plug connection of the connector housing for an airbag plug is locked with an airbag module, the plug connection between the connector housing for the airbag plug and the airbag module being secured against incorrect unlocking, thereby making it simple the functional safety of an airbag connected to it is increased.
  • FIG. 1 to 4 a first embodiment of a connector housing according to the invention for an airbag connector is shown.
  • the connector housing 1 consists of two housing parts, an approximately cuboid base part 2 and a cover 3.
  • the base part 2 has a bottom wall 4, two side walls 6 and an end wall 5 at the front.
  • a plug tower 7 extends downward from the bottom wall 4.
  • the connector housing 1 In the connector housing 1, three contact elements 8, 9, 10 are mounted around two ignition lines (not shown) with a squib 13 and connect a coil.
  • the coil 14 is arranged in the front end region of the airbag connector 1 directly behind the end wall 5 and is fixed by a coil web 15 running crosswise on the bottom wall 4 and parallel to the end wall 5.
  • the coil bridge 15 lies only on the central region of the coil 14, so that two conductor wires serving as coil connections 16, 17 are guided past the coil bridge 15 to the rear in the connector housing 1.
  • two contact element chambers 18, 19 leading downwards through the plug tower 7 are arranged for receiving the contact elements 9, 10.
  • An airbag module 20 can be plugged onto the plug tower 7, so that the squib 13 located in the airbag module 20 is connected to two ignition lines (not shown) by means of two plug pins 22, 23 via the contact elements 9, 10.
  • the first contact element 8 connects one of the ignition lines to one of the coil connections 16, the second contact element 9 connects the other coil connection 17 to one of the plug pins 23 of the squib 21 and the third contact element 10 connects the other plug pin 22 to the further ignition line.
  • the squib 21 and the coil 14 are thus connected in series to the ignition lines.
  • the first contact element 8 is formed in a straight line with an insulation displacement contact region 24, a base 25 with a U-shaped cross section and with a crimp region 26.
  • the insulation displacement contact area 24 consists of two U-shaped sections 27 with a continuous bottom wall 28 and in each case two parallel opposite side walls 29.
  • inwardly curved tabs 30 are connected in the direction of the base 25, between them each limit an insulation displacement gap 31, in which a conductor wire of an ignition line can be pressed in so that an electrical connection is created between the contact element 8 and the conductor wire.
  • the coil connection 16 is contacted with the contact element 8.
  • the second contact element 10 is of an angular design, with a crimp area 32 forming one leg of the angle and a box-shaped plug contact socket 33 forming the other leg, which is mounted in the contact element chamber 19 and serves for electrically contacting the plug pin 23 of the squib 21. At the crimp area 32, the coil connection 17 is contacted with the contact element 10.
  • the third contact element 9 is also angled, the legs of the angle being formed by a box-shaped plug contact socket 32 and an insulation displacement contact region 35 which, in the same way as the insulation displacement contact region 24 of the first contact element 8, has a U-shaped shape Base 36, two U-shaped sections 37 with side walls 38 and inwardly curved tabs 39, each of which delimit an insulation displacement gap 40.
  • the contact elements 8, 9, 10 lie lying on the bottom wall 4 of the base part 2 side by side in the longitudinal direction in the connector housing 1, whereby they are raised by means of pedestals 21 and are spaced apart from one another by means of two spacer pins 41, 42 which stand up vertically on the bottom wall 4. Laterally, their position is limited by a further spacer pin 43 or a guide web 44, against which the first contact element 8 rests (FIG. 4).
  • the contact elements 9, 10 support with their box-shaped plug contact sockets 33, 34 in the contact element chambers 18, 19 of the plug tower 7, so that only the crimp area 32 or the insulation displacement contact area 35 rests on the pedestals 21 of the bottom wall 4.
  • the cover 3 has on its front end a locking spring clip 45 with two lateral webs 46 which run downwards and a cross bar 47 connecting these at the lower end of the webs 46.
  • the locking spring clip 45 acts with three locking lugs 48, 49, 50 arranged on the outside of the front wall 5 together.
  • the locking lugs 48, 49, 50 each have a run-up slope 51 which runs from the top to the outside and a lower one to the end wall 5 vertical end surface 52.
  • the latching lug 48 is arranged directly below the upper transverse edge 53 of the end wall 5 and centrally on the end wall 5.
  • the two other locking lugs 49, 50 are arranged slightly below the locking lug 48 and laterally offset at the same height with respect to the transverse center of the end wall 5.
  • the rear areas 2a and 3a of the base part 2 and the cover 3 are each bent somewhat upwards and provided with further latching devices.
  • two detent spring arms 54, 55; 56, 57 cut from the side walls 6 of the base part 2, which extend almost over the entire height of the side walls 6.
  • the detent spring arms 54, 55; 56, 57 each have at their upper end an inwardly facing latching lug 58, 59, 60, 61, each with a run-up slope 62 running from the top outside downward in the direction of the longitudinal center of the airbag connector.
  • the cover has the latching spring arms 54, 55 ; 56, 57 corresponding recesses 63, 64; 65, 66, the two front recesses 63, 64 each being extended downwards by a web 67, so that there is sufficient space in the recesses 63, 64 for two locking lugs 68, 69 corresponding to the locking spring arms 54, 55.
  • the locking lugs 68, 69 are arranged one above the other and provided with bevels 70 that run from bottom to top.
  • the rear cutouts 65, 66 each have only one latching lug 73, which also has a run-up slope 74 running from the bottom to the top.
  • a strong material web 75 extends between the rear catch spring arms 56, 57 on the rear area 2a of the base part 2 and between the rear cutouts 71, 72 on the rear area 3a of the cover 3.
  • the material webs 75 close the connector housing 1 to the rear in the assembled state down.
  • the material webs 75 each have an arcuate material bulge 76 with two short transverse ribs 77, the material bulges 76 serving as a lead-through for the ignition lines when the connector housing 1 is closed and by means of the transverse ribs 77 providing strain relief on the ignition lines.
  • the connector housing 1 is supplied with the coil 14 inserted and the contact elements 8, 9, 10 inserted and contacted with the coil connections 15, 16 by the manufacturer of the airbag connector in a pre-locking position (FIG. 2) to the motor vehicle manufacturer.
  • the locking spring clip 45 engages with its crossbar 47 the upper locking lug 48 on the end wall 5, and the two front locking spring arms 54, 55 engage behind the lower locking lugs 68 in the front recesses 63, 64.
  • the cover 3 is from that Base part 2 spaced such that the ignition lines can be inserted into the connector housing 1 through the free passages at the rear region - 2a, 3a - so that their ends lie over the insulation displacement contact regions 24, 35.
  • the ignition lines are pressed through the cover 3 into the insulation displacement gap 31, 40, so that a cutting electrical connection is established between the ignition lines and the contact elements 8, 10.
  • the cross bar 47 of the locking spring clip 45 engages behind the two lower locking lugs 49, 50 on the end wall 5, and engages behind the locking spring arms 54, 55; 56, 57, the upper detent spring lugs 73 in the rear recesses 65, 66, so that the cover 3 is fixed to the base part 2.
  • the transverse ribs 77 abutting the ignition lines from above and below fix the ignition lines in the longitudinal direction, so that the insulation displacement contact regions 24, 35 are relieved of tension.
  • the contacting of the connector housing according to the invention thus comprises only the two steps of inserting the ignition lines and compressing the airbag connector from its pre-locking position in its final locking position.
  • the connector housing 1 is provided with belt devices so that a plurality of connector housings can be plugged together to form a flexible band and can be processed at high speed as tape goods wound on spools.
  • the cover 3 has belt latching webs 80 projecting vertically on its longitudinal side edges 78, 79 or corresponding belt latching chambers 81.
  • two belt latching webs 80 are arranged such that they can be plugged together with two belt latching chambers 81 of another cover 3 arranged diametrically opposite one another on the same cover 3.
  • the seatbelt web 80 has an approximately rectangular shape with an elongated slot 82 which extends transversely to the longitudinal side edge 78 of the cover 3 and which gives the seatbelt web 80 a transverse elasticity.
  • the belt latching web 80 has on the outside on its rear longitudinal side edge 83 which runs parallel to the elongated hole 82, a latching lug 84 with a run-on bevel 85 which runs obliquely inwards and backwards from the outer edge 86 of the belt latching web 80 which runs transversely to the elongated hole.
  • the locking lug 84 is undercut by a recess 86.
  • the belt latching chambers 81 are formed from a body 87 which is U-shaped in plan view and has two lateral legs 88, 89 which protrude perpendicularly from the longitudinal side edge 79 of the cover 3 and are connected to one another at their outer ends by a connecting web 90.
  • the connecting web 90 is provided with a downwardly open recess 91 for receiving the seatbelt web 80, the recess 91 on the connecting web 90 being displaced somewhat towards the end wall 5 of the connector housing 1, so that the connecting web 90 adjoins the rear legs 88 forms a latching projection 92 which, when the belt latch web 80 is inserted into the belt latch chamber 81, is gripped by the recess 86 of the belt latch web 80 and secures the seatbelt web 80 against slipping out of the seatbelt chamber 81.
  • the belt locking chamber 81 is closed off by a thin plate 93, which extends below between the lateral legs 88, 89.
  • a seatbelt web 80 inserted into the seatbelt chamber 81 is only delimited by the narrow connecting web 90, so that the seatbelt chamber is open at the top in the region of the longitudinal side edge 79 of the cover 3 and an inserted seatbelt web 80 can swivel freely upward.
  • the connection through the belt devices is therefore flexible and enables a longer belt webbing consisting of several connector housings to be rolled up.
  • the U-shaped body 87 is connected to the cover 3 by only one of the two lateral legs 88, 89.
  • the front U-shaped body with the front leg 89 and the rear body with the rear leg 88 are connected to the cover 3.
  • a spacer 94 is connected vertically downward, at the lower end of which a spacer 95 is provided, which extends from the spacer 94 towards the longitudinal center of the connector housing 1, so that it is in the pre-latched position on the Upper edge 96 of one of the side walls 6 of the base parts 2 stands up.
  • the spacer made of spacer 94 and spacer 95 ensures that the connector housing 1 is not accidentally pressed from the pre-locking position into the final locking position.
  • the belt latch webs 80 and the belt latch chambers 81 are cut off, so that the spacers are also removed with the belt latch chambers 81.
  • the belt devices are cut off by a cut along the longitudinal side edges 78, 79 of the cover 3 at the same time with the compression of the connector housing 1.
  • the contacting process thus again requires only two steps, namely the insertion of the ignition leads and the combined compression of the connector housing 1 and the cutting off of the belt devices.
  • the connector housing 1 for an airbag plug has a latching device 101 in order to latch the connector to the airbag module housing 97.
  • the airbag module housing 97 thus represents a mating connector housing 103 for the connector housing 1, the connector housing 1 and mating connector housing 103 being snap-fit together.
  • the latching device 101 has as a movable latching element a two-armed latching lever arm 104 arranged on the connector housing 1 and a latching web 102 projecting on the mating connector housing 103 on a side wall 110, which forms a recessed latching edge 105.
  • the detent lever arm 104 is formed on the housing wall or side wall 6 of the connector housing 1 with a lever arm bearing web 108 arranged approximately at its longitudinal center and projecting approximately at right angles.
  • the one-piece Latching lever arm 104 has an engagement arm 107 extending from the lever arm bearing web 108 in the direction of the latching edge 105 and an actuating arm 106 extending in the opposite direction. At the free end of the engagement arm 107, a locking lug 111 projecting in the direction of the locking edge 105 is formed, which - as shown in FIG. 7 - engages behind the locking edge 105 in the locking position in a manner known per se.
  • the locking lever arm 104 can be pivoted about a horizontal axis lying in the lever arm web 108 against an elastic restoring force caused by the lever arm bearing web 108 by pressing against the actuating arm 106 in the direction of the connector housing 1.
  • the locking lug 111 is pulled out of the area of the locking edge 105 so that the housings 1, 103 can be pulled apart.
  • the connector housing 1 has only a single locking lever arm 104 in order to enter into a locking connector with the mating connector housing 103.
  • several such locking lever arms or locking elements having the same effect can be provided.
  • the invention is not limited to locking devices with locking lever arms; it is also applicable to other spring-loaded, protruding locking elements, pins, sliders or balls or the like.
  • a locking device 112 or 124 is provided on the locking device 101 for locking the locking position, in which the locking lug 111 engages behind the locking edge 105.
  • 7 shows two embodiments of locking devices 112; 124 shown.
  • the locking device 112; 124 has a on the housing 1; 103 molded guide device 113; 125 in which a locking bolt 114; 126 is slidably mounted between a pre-locking position and a locking position.
  • the locking bolts 124; 126 are shown in dashed lines in FIG. 7 in the pre-locking position and are moved from the pre-locking position into the locking position by shifting in the direction of arrow Y.
  • the locking bolt 114 occupies; 126 a movement space 118 adjoining the locking lever arm 104; 119 of the locking lever arm 104, so that the locking lever arm 104 is locked in the locking position.
  • the movement space 118; 119 is the space in the immediate vicinity of the locking lever arm 104 which the locking lever arm 104 traverses when moving into or out of the locking position.
  • the movement space 118; 119 is thus formed by the gap between the housing wall 6 and the actuating arm 106 or is arranged on the side of the engagement arm 107 opposite the latching lug 111.
  • the locking bolt 114 touches; 126 preferably the locking lever arm 104, wherein it rests as flat as possible on the locking lever arm 104.
  • the locking bolt 114 is in the pre-locked position; 126 outside the movement space 118; 119, so that the lever arm can be actuated for engagement or disengagement.
  • the locking bolt 114; 126 can preferably be locked in the locking position and in the pre-locking position, so that the respective position of the locking bolt 114; 126 defined is observed.
  • FIGS. 5 and 6 shows the lockable latching device 101 according to the invention, with which the connector housing 1 for an airbag plug is or is latched to the airbag module housing 97, the mating connector housing 103, when the two housings 1 and 103 in the direction of the arrow X (FIG. 6) are reset against one another or against the direction of the arrow X, the locking device being lockable by the locking bolt 114 of the locking device 112 after the locking of both connector housings 1 and 103 (FIG. 5).
  • the locking device 112 formed on the connector housing 1 is shown without a mating connector housing 103 in order not to disturb the clear representation of the locking device 112.
  • the guide device 113 is integrally formed on the side wall 6 of the connector housing 1 in the region of the upper edge 96.
  • the guide device 113 is a vertically aligned shaft 131 which is open at the top and bottom and has a shaft opening which is T-shaped in cross section, so that the shaft 131 has two narrow narrow shaft areas 132 and a central shaft area 133 projecting from the connector housing 1.
  • the shaft 131 is canted inwards at the side shaft areas 132 to form a locking lug 134 or a locking projection 135.
  • the latching lug 134 has a run-up slope 136 which slopes downward towards the inner wall of the shaft, and the locking projection 135 is rectangular in cross section, so that it abuts the inner wall of the shaft with a horizontal stop surface 137.
  • the locking bolt 114 is bounded at the top by a horizontal actuating plate 140, on the underside of which an intermediate plate 141 is provided.
  • a vertical guide bar 142 is connected in the middle to the intermediate plate 141 and has a cross section adapted to the central shaft area 133, so that it can be guided in this in a form-fitting manner.
  • a narrow vertical latching web 143 and a narrow vertical locking web 144 are arranged parallel and at a short distance from the guide bar 142, the narrow webs 141, 144 being slidably supported in the lateral shaft areas 132.
  • the locking web 144 is connected to the intermediate plate 141 and has a lateral, outwardly projecting locking lug 145 with a horizontal upper locking surface 146.
  • the locking lug 145 is arranged in the lower half of the locking web 144.
  • the latching web 143 has at its upper end region a laterally outwardly projecting, hump-shaped latching lug 147 and is elastically connected at its lower end to the guide bar 142, so that the latching lug 147 of the latching web 143 is elastically resilient with the latching lug 134 projecting into the interior of the shaft Shaft 131 cooperates as a locking device.
  • the locking surface 146 of the locking lug 145 bears against the stop surface 137 of the locking projection 135, so that the locking bolt 114 is secured against further pulling out of the shaft 131.
  • the locking lug 147 of the locking web 143 is located immediately above the locking lug 134 of the shaft 131, so that the locking bolt 114 cannot slide down into the shaft 131. The locking bolt is thus locked captively in the shaft 131 in the pre-locking position.
  • the latching lug 147 of the latching web 143 yields resiliently and dodges the latching lug 134 of the shaft 131, so that the locking bolt 114 is moved into the shaft 131 or into the blocking position.
  • the locking lug 134 of the locking web 143 is snapped directly below the locking lug 134 of the shaft 131, so that the locking bolt 114 is secured against an upward displacement.
  • the locking bolt 114 is thus locked both in the locking position and in the pre-locking position, so that these two positions are maintained in a defined manner.
  • the actuating arm 106 is preferably designed with a certain spatial shape, which has two lateral limiting ribs 150, which are projectingly connected to the lateral grooves of the lever arm 104.
  • the upper end regions of the limiting ribs 150 are connected to a connecting web 151 which, on the side facing the side wall 6, has a recess 152 into which the guide bar 142 of the locking bolt 114 engages with its lower edge region in the locking position.
  • This spatially contoured design of the lever arm 104 with the limiting ribs 150 and the connecting web 151 gives it high rigidity and functional reliability.
  • the actuating arm 106 is bent toward the side wall 6 of the connector housing 1 and the movement space 118 is occupied by the actuating arm 106.
  • the locking bar 112 can no longer be moved into the locking position, but would abut the connecting web 151 during a downward movement (arrow Y).
  • the locking device 112 thus simultaneously checks with the locking whether the locking took place correctly, otherwise the locking bolt 114 cannot be moved into the locking position.
  • the connector housing 1 is preferably formed both with the belt device according to the invention with a spacer and the latching device according to the invention (FIG. 14), the connector housing being manufactured by the manufacturer with all internal elements, such as Contact elements, ignition coil and the like, equipped as an elastic belt wound on a roll to the consumer, the vehicle manufacturer or airbag manufacturer is supplied.
  • the connector housings lined up as a belt can be equipped with electrical conductors at high speed in the manner specified above, and the connector with the airbag module housing is made by simply plugging and pressing the locking bolt 114 from the pre-locking position into the locking position, whereby this is done by briefly pressing the large actuating plate 140 of the locking bolt.
  • the connector housing according to the invention for airbag plugs thus allows handling appropriate to the mass product, both when contacting electrical conductors and when plugging in with an airbag module housing, the high safety requirements placed on the components of an airbag being met.

Landscapes

  • Details Of Connecting Devices For Male And Female Coupling (AREA)
EP95117441A 1994-11-07 1995-11-06 Boîtier de connexion pour un connecteur d'airbag et procédé pour contacter un boîtier de connexion Withdrawn EP0711002A3 (fr)

Applications Claiming Priority (4)

Application Number Priority Date Filing Date Title
DE4439786 1994-11-07
DE4439786A DE4439786A1 (de) 1994-11-07 1994-11-07 Airbag-Stecker
DE19535836A DE19535836C2 (de) 1995-09-26 1995-09-26 Rasteinrichtung, insbesondere für elektrische Steckverbindergehäuse
DE19535836 1995-09-26

Publications (2)

Publication Number Publication Date
EP0711002A2 true EP0711002A2 (fr) 1996-05-08
EP0711002A3 EP0711002A3 (fr) 1997-01-02

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Application Number Title Priority Date Filing Date
EP95117441A Withdrawn EP0711002A3 (fr) 1994-11-07 1995-11-06 Boîtier de connexion pour un connecteur d'airbag et procédé pour contacter un boîtier de connexion

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Country Link
US (1) US5685743A (fr)
EP (1) EP0711002A3 (fr)

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EP0854093A2 (fr) * 1997-01-17 1998-07-22 Ludwig Schmitt Gmbh Système de connexion pour deux éléments
WO2016120595A1 (fr) * 2015-01-27 2016-08-04 Safe-T Limited Dispositif médical de rétractation d'aiguille
CN112238767A (zh) * 2020-10-23 2021-01-19 杭州电子科技大学 一种新能源汽车插电接口夹紧机构

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KR102623687B1 (ko) * 2022-07-15 2024-01-11 우성알앤디주식회사 전자 급수 밸브의 결합 구조
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Publication number Publication date
EP0711002A3 (fr) 1997-01-02
US5685743A (en) 1997-11-11

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