EP0367070A2 - Dispositif embrochable pour la connexion d'au moins une ligne d'un circuit électrique d'initialisation d'un sac d'air - Google Patents

Dispositif embrochable pour la connexion d'au moins une ligne d'un circuit électrique d'initialisation d'un sac d'air Download PDF

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Publication number
EP0367070A2
EP0367070A2 EP89119696A EP89119696A EP0367070A2 EP 0367070 A2 EP0367070 A2 EP 0367070A2 EP 89119696 A EP89119696 A EP 89119696A EP 89119696 A EP89119696 A EP 89119696A EP 0367070 A2 EP0367070 A2 EP 0367070A2
Authority
EP
European Patent Office
Prior art keywords
plug device
opening
locking
parts
opening movement
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Withdrawn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
EP89119696A
Other languages
German (de)
English (en)
Other versions
EP0367070A3 (fr
Inventor
Werner Reuter
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
Application filed by Grote and Hartmann GmbH and Co KG filed Critical Grote and Hartmann GmbH and Co KG
Publication of EP0367070A2 publication Critical patent/EP0367070A2/fr
Publication of EP0367070A3 publication Critical patent/EP0367070A3/fr
Withdrawn legal-status Critical Current

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Classifications

    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01R—ELECTRICALLY-CONDUCTIVE CONNECTIONS; STRUCTURAL ASSOCIATIONS OF A PLURALITY OF MUTUALLY-INSULATED ELECTRICAL CONNECTING ELEMENTS; COUPLING DEVICES; CURRENT COLLECTORS
    • H01R13/00—Details of coupling devices of the kinds covered by groups H01R12/70 or H01R24/00 - H01R33/00
    • H01R13/62—Means for facilitating engagement or disengagement of coupling parts or for holding them in engagement
    • H01R13/629—Additional means for facilitating engagement or disengagement of coupling parts, e.g. aligning or guiding means, levers, gas pressure electrical locking indicators, manufacturing tolerances
    • H01R13/633—Additional means for facilitating engagement or disengagement of coupling parts, e.g. aligning or guiding means, levers, gas pressure electrical locking indicators, manufacturing tolerances for disengagement only
    • 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
    • H01R13/70—Structural association with built-in electrical component with built-in switch
    • H01R13/703—Structural association with built-in electrical component with built-in switch operated by engagement or disengagement of coupling parts, e.g. dual-continuity coupling part

Definitions

  • Airbags air bags are located to protect the occupants of a vehicle in such places, e.g. in the steering wheel or rear of a motor vehicle, which could result in injury to the occupants in the event of an impact. In the event of an impact, the airbag should be deployed and inflated very quickly. To initiate these mechanical processes, an electrical switching system is provided that responds to certain commands.
  • the short-circuit bridge has a spring arm leg, which is due to the plug device being open its spring tension is present at the associated contact and causes the short circuit and, when the plug device is closed, is displaced or bent out into a ready position against its spring force by a separating slide arranged on the other plug device part.
  • the invention has for its object to increase the functional reliability, in particular of the auxiliary switching arrangement, in a plug-in device of the present type.
  • the delay mechanism leads to a delay when the plug device is opened opening movement between the closing or opening points of the contact elements and the closing or opening points of the auxiliary contacts. Because of this delay in the opening movement, the auxiliary contacts have a considerably longer time to execute the associated contact and thus to activate the auxiliary switching arrangement in order to prevent the airbag from being initiated.
  • the contact elements and auxiliary contacts can be contacts that are effective by opening and / or closing.
  • the main parts of the plug device are two plug device parts, not shown in detail, which are each accommodated in a housing part 2, 3, contact element pairs and an auxiliary contact pair, of which, for reasons of simplification, only one type of contact element 4 for connecting lines of an electrical switching arrangement to the electrical Initiation of the airbag, not shown, are shown, and a locking or locking mechanism for the housing parts 2, 3, in which a delay mechanism 6 for delaying the opening movement of the hinged on the housing part 3 held housing part 2 is integrated.
  • the housing part 3 is held in a manner not shown on a part of the existing vehicle body or molded thereon.
  • a C-shaped abutment 8 protruding at one end of the held housing part 3 beyond the parting line 7 with a bearing point on its C-shaped downward free end, which is supported by an end projection 11 of the detachable housing part 2 and is slightly undercut, since the projection 11 has a small, rounded bearing trough 12 which, when the housing parts 2, 3 abut against one another, on the likewise rounded bearing point 9 of the abutment 8.
  • the removable housing part 2 represents a housing cover.
  • each housing part 2, 3 Arranged in each housing part 2, 3 is the associated plug device part, not shown and held or fixed in a manner not shown, of which the plug device part arranged in the removable housing part 2 carries the mutually identically formed and arranged contact elements 4.
  • the contact elements 4 with the mating contact elements, not shown, which are arranged on the plug device part, not shown, of the held housing part 3 are thus removed.
  • the plug device is thus opened and closed again by folding it back down.
  • the contact elements 4 have spring arms opposite one another, between which, in the closed position, each holds a counter-contact element in the form of a pin, the latter pushing the spring arm pair apart against its spring force. In this way, a safe contact is guaranteed.
  • auxiliary contact pair is formed in the present embodiment by a contact member held movably in one of the two connector parts and a control member extending from the other connector part, the arrangement being such that the control member, when the connector 1 is closed, removes the contact member from its contact position with a Mating contact element displaced in the same connector part.
  • an auxiliary switching arrangement which can be connected to the contact element by the contacting thereof is formed by a short-circuit bridge arrangement with a short-circuit bridge, each of which short-circuits two related contact elements 4 to one another like.
  • the contact element as part of the short-circuit bridge and the associated contact element 4 as a mating contact element, so that when the plug device 1 is closed, the control element keeps the short-circuit bridge out of contact with the associated contact elements 4 and thus prevents the short circuit.
  • the arrangement is such that when the plug-in device 1 is opened, the contact element and the control element first become out of contact, and thus the short-circuit bridge brings about the short-circuiting of the contact elements 4 in question before the contact elements 4 and the associated mating contact elements are opened, that is to say separated.
  • the contact bridge is arranged in the plug-in device part held by the removable housing part 2, while the control element in the form of a separating slide extends from the plug-in device part which is arranged in the held housing part 3.
  • the contact member is formed by a laterally bendable spring arm leg of a U-shaped short-circuit bridge and the control member interacts with an oblique bend of the spring arm leg, so that when closing and opening of the plug device 1 of the spring arm leg is displaced or released from a contact position with a part of the associated contact element 4, so that it presses against the contact element 4 due to its spring tension and thus brings about the short circuit.
  • the auxiliary switching arrangement with the short-circuit bridge arrangement is not shown, and reference is made to the applicant's parallel application for industrial property rights, to which reference is made in full.
  • the locking mechanism 5 is arranged on the end face of the housing opposite the abutment 8.
  • the locking mechanism 5 or the integrated in this Delay mechanism 6 has a grip part 15 in an angular shape with a first leg 16, which extends essentially parallel to the dividing joint 7 and which is rectangular in plan view, and a second leg 17 which extends essentially at right angles thereto, at the free end of which a preferably round-curved grip edge 18 is arranged , on.
  • the detachable housing part 2 is locked in the closed position by a locking edge 21 of the handle part 15 which engages over a projection 22 extending from the end face of the housing part 2.
  • the locking edge 21 is formed by the upper boundary edge of a T-shaped cutout 23 in the second leg 17 of the handle part 15, so that in the locking position of the projection 22 the locking edge 21 extends through the cutout or opening 23.
  • a second projection 24 projects from the end face of the housing part 2, which cooperates with a correspondingly bent stop web 25 on the second leg 17, the stop web 25 limiting the opening movement of the housing part 2 at the end of the first opening step 1 .
  • the first and the second protrusion 22, 24 two third protrusions 26, 27 are arranged next to one another and at a distance from one another, starting from the housing part 2, which pass through the opening 23 in the normal position of the handle part 15 and with lateral holding lugs 28 pointing away from one another the lateral edges Reach behind 29 of breakthrough 23.
  • the T-bar cutouts or undercuts 31 are provided on both sides, which are dimensioned so large that the third projections 26, 27 can be inserted into the opening 23 at the end of the first opening step 1 of the housing part 2 .
  • the third projections 26, 27 are inserted and removed by bending the handle part 15 laterally, which in the present exemplary embodiment consists of spring steel, in particular leaf spring steel, and is a stamped part.
  • the third projections 26, 27 are inserted into the undercuts 31 of the opening 23 in the first opening stage (FIG. 6) by bending the second leg 17 back and forth, whereby bevels of the projections 22, 24, 26, 27 facilitates insertion or the second leg 17 can be automatically bent out.
  • the housing part 2 is closed, the retaining lugs 28 coming into a position engaging behind the lateral edges 29 of the opening 23 and the locking edge 21 into a position overlapping the projection 22.
  • the second leg 17 is laterally bent out by manual attack on the grip edge 18, the second leg 17 only bending out in its area above the retaining lugs 28, because these limit the second leg 17 laterally.
  • the housing part 2 can be opened until the opening movement at the end of the first opening step 1 is limited by the second projection 24 striking the stop.
  • This limitation of the opening movement forces the opening movement to be delayed, since a further opening movement can only take place after the second leg 17 or the handle part 15 has been bent out laterally when the retaining lugs 28 release the edges 29.
  • the projection 24 gets out of contact with the stop web 25, so that the housing part 2 can be further folded down or pivoted and, if appropriate, can be completely removed from the bearing part 9 by swapping it out of the bearing part 9.
  • the arrangement is such that at the end of the first opening step 1 the contact between the contact member and the control member is already interrupted, ie in the present exemplary embodiment the short circuit bridge for the purpose of bringing about the Short circuit has come into operation while the contact between the contact elements 4 and the associated mating contact elements still exists.
  • the auxiliary switching arrangement here the short-circuit bridge arrangement, is thus provided with an increased time in order to prevent the deployment of the airbag, which would take place if the contact elements 4 were opened before the short-circuit bridge arrangement is closed.
  • the possibility of such a malfunction exists when the removable housing part 2 is opened at a high opening speed. Due to the configuration according to the invention, incorrect switching is avoided because the delay ensures safe triggering of the auxiliary switching arrangement preventing the initiation of the airbag.
  • the second leg 17 has a Z-shaped bend at 39, which prevents the leg 17 from arching when the leg 17 is bent for the first opening step.
  • the leg 17 is widened like a mushroom head or conically from its center to its free end, as can be clearly seen from FIGS. 3, 5 and 6 .
  • the housing parts 2, 3 consist of metal, in particular of an aluminum or zinc alloy or plastic and are preferably injection molded parts.

Landscapes

  • Details Of Connecting Devices For Male And Female Coupling (AREA)
  • Air Bags (AREA)
EP19890119696 1988-11-04 1989-10-24 Dispositif embrochable pour la connexion d'au moins une ligne d'un circuit électrique d'initialisation d'un sac d'air Withdrawn EP0367070A3 (fr)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
DE8813830U DE8813830U1 (de) 1988-11-04 1988-11-04 Steckvorrichtung zum Verbinden von wenigstens einer Leitung einer elektrischen Schaltanordnung zur elektrischen Initiierung eines Airbags
DE8813830U 1988-11-04

Publications (2)

Publication Number Publication Date
EP0367070A2 true EP0367070A2 (fr) 1990-05-09
EP0367070A3 EP0367070A3 (fr) 1990-11-14

Family

ID=6829551

Family Applications (1)

Application Number Title Priority Date Filing Date
EP19890119696 Withdrawn EP0367070A3 (fr) 1988-11-04 1989-10-24 Dispositif embrochable pour la connexion d'au moins une ligne d'un circuit électrique d'initialisation d'un sac d'air

Country Status (4)

Country Link
US (1) US5011423A (fr)
EP (1) EP0367070A3 (fr)
JP (1) JPH02257584A (fr)
DE (1) DE8813830U1 (fr)

Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB2245775A (en) * 1990-05-30 1992-01-08 Amp Inc Electrical connector short circuiting arrangements
WO1992019472A1 (fr) * 1991-04-26 1992-11-12 Audi Ag Appareil de commande de securite, comportant une lampe-temoin raccordee par l'intermediaire d'une connexion enfichable, en particulier sur un vehicule automobile
US6435894B2 (en) 1998-07-15 2002-08-20 Tyco Electronics Logistics Ag Connector for airbag gas generator

Families Citing this family (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US5603632A (en) * 1995-02-09 1997-02-18 Thomas & Betts Corporation Electrical connector and connector assembly
US5616045A (en) * 1995-07-14 1997-04-01 Augat Inc. Squib connector for automotive air bag assembly
US5882224A (en) * 1996-08-28 1999-03-16 Thomas & Betts International, Inc. Squib connector socker assembly having shorting clip for automotive air bags
US5966023A (en) * 1996-09-16 1999-10-12 Virginia Panel Corporation Rapid action engagement interface connection system

Family Cites Families (11)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US1834184A (en) * 1928-11-06 1931-12-01 Westinghouse Electric & Mfg Co Instrument test switch
DE715152C (de) * 1939-01-05 1941-12-15 Voigt & Haeffner Ag Mit einem Schalter vereinigte Steckdose mit Verriegelung
DE2131171C3 (de) * 1971-06-23 1982-03-11 Bunker Ramo Corp., 60521 Oak Brook, Ill. Steckerleiste
US3869191A (en) * 1973-10-11 1975-03-04 Gen Motors Corp Connector means having shorting clip
DE2354795C3 (de) * 1973-11-02 1980-08-21 Robert Bosch Gmbh, 7000 Stuttgart Vielpolige Steckvorrichtung
US4082400A (en) * 1973-11-02 1978-04-04 Robert Bosch Gmbh Multi-pole plug-and-socket connecting arrangement
DE2830552C2 (de) * 1978-07-12 1987-02-05 Daimler-Benz Ag, 7000 Stuttgart Kurzschlußsicherung für elektrische Zünder
FR2480490A1 (fr) * 1980-04-14 1981-10-16 Astier Louis Borne auto-courcircuitable pour circuit de transformateur d'intensite ou circuit a court-circuitage automatique
US4708662A (en) * 1986-06-20 1987-11-24 Amp Incorporated Connector assembly with pre-staged terminal retainer
US4769896A (en) * 1987-05-13 1988-09-13 Amp Incorporated Method of forming a metal-to-plastic joint
JPH01132076U (fr) * 1988-03-04 1989-09-07

Cited By (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB2245775A (en) * 1990-05-30 1992-01-08 Amp Inc Electrical connector short circuiting arrangements
GB2245775B (en) * 1990-05-30 1994-07-13 Amp Inc Electrical connector short circuiting arrangements
WO1992019472A1 (fr) * 1991-04-26 1992-11-12 Audi Ag Appareil de commande de securite, comportant une lampe-temoin raccordee par l'intermediaire d'une connexion enfichable, en particulier sur un vehicule automobile
US6435894B2 (en) 1998-07-15 2002-08-20 Tyco Electronics Logistics Ag Connector for airbag gas generator

Also Published As

Publication number Publication date
DE8813830U1 (de) 1990-03-22
JPH02257584A (ja) 1990-10-18
US5011423A (en) 1991-04-30
EP0367070A3 (fr) 1990-11-14

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