EP0818853B1 - Connecteur à capsule détonante - Google Patents

Connecteur à capsule détonante Download PDF

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Publication number
EP0818853B1
EP0818853B1 EP97110076A EP97110076A EP0818853B1 EP 0818853 B1 EP0818853 B1 EP 0818853B1 EP 97110076 A EP97110076 A EP 97110076A EP 97110076 A EP97110076 A EP 97110076A EP 0818853 B1 EP0818853 B1 EP 0818853B1
Authority
EP
European Patent Office
Prior art keywords
plug
housing part
terminal leads
housing
socket
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.)
Expired - Lifetime
Application number
EP97110076A
Other languages
German (de)
English (en)
Other versions
EP0818853A2 (fr
EP0818853A3 (fr
Inventor
Ernst Liebich
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.)
TE Connectivity Solutions GmbH
Original Assignee
Tyco Electronics Logistics AG
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 Tyco Electronics Logistics AG filed Critical Tyco Electronics Logistics AG
Publication of EP0818853A2 publication Critical patent/EP0818853A2/fr
Publication of EP0818853A3 publication Critical patent/EP0818853A3/fr
Application granted granted Critical
Publication of EP0818853B1 publication Critical patent/EP0818853B1/fr
Anticipated expiration legal-status Critical
Expired - Lifetime 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
    • 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
    • H01R13/52—Dustproof, splashproof, drip-proof, waterproof, or flameproof cases
    • H01R13/5216—Dustproof, splashproof, drip-proof, waterproof, or flameproof cases characterised by the sealing material, e.g. gels or resins
    • 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
    • H01R13/46—Bases; Cases
    • H01R13/52—Dustproof, splashproof, drip-proof, waterproof, or flameproof cases
    • H01R13/5205—Sealing means between cable and housing, e.g. grommet
    • 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
    • H01R13/52—Dustproof, splashproof, drip-proof, waterproof, or flameproof cases
    • H01R13/5202—Sealing means between parts of housing or between housing part and a wall, e.g. sealing rings
    • 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
    • H01R4/245—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 additional means having two or more slotted flat portions
    • H01R4/2454—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 additional means having two or more slotted flat portions forming a U-shape with slotted branches

Definitions

  • the invention relates to a squib connector for a collision protection device, especially in vehicles, consisting of a connector connected to leads and a connector inserted into the housing wall of the collision protection socket with the connectors of the squib, wherein the plug is a perpendicular to the connecting lines aligned tubular plug part with sockets and a common holder for the plug part and the leads and are provided in the means, on the one hand prevent erroneous insertion of the plug into the socket and on the other hand fix the plug in the socket when making the plug connection.
  • Squib plug connections of this type which are used in particular in the automotive electronics for airbag gas generators, are known, for example, from the document EP 0 512 682 A2.
  • the connection between the sockets and the perpendicular aligned leads by welding, soldering or squeezing sleeves.
  • the sockets including the connection cables connected thereto are then introduced together with other plug parts made of metal or plastic in an injection mold and partially sprayed there with an elastomeric sealant and provided with a final form the plug shape, sealing the plug sheath. It must be ensured by special measures that the sealant does not even approach the resilient sockets, because otherwise the hereby produced connection to the squib can not be guaranteed in any case.
  • EP-A-0 698 947 which is considered to represent the closest prior art, discloses a squib lancing connection according to the preamble of claim 1.
  • the invention has for its object to provide for such a Zündpillenstecker another constructive solution that not only allows easy and quick assembly of the connector, but also allows to bring him to put high demands on the tightness in a simple and cost-saving manner.
  • the tubular connector part and the leads common support is a housing lower part with molded tubular plug part and housing upper part existing housing, that the housing interior of a parts of the housing base and of the upper housing part formed, self-contained contact chamber for the connection of the introduced into the contact chamber leads to the sockets of the connector part, that the contact chamber whose feedthrough openings are provided for the connecting lines with sealing ribs, surrounded by a flow channel arrangement, the sealing of the contact chamber the separation points between the upper housing part and the lower housing part is completely filled from the outside of the housing via an injection opening under pressure with an elastic sealant.
  • the invention is based on the finding that can be much simpler by the division of the housing into two halves, the assembly of the plug.
  • the high demands on the tightness can be fulfilled despite the subdivided housing in an extremely advantageous manner in that the housing is designed in the region of the connection of the terminal contacts with the leads to an inner closed, surrounded by a flow channel arrangement contact chamber.
  • a second development of the invention which has the advantageous arrangement of a ferrite for the protection of the plug against unwanted high-frequency interference to the object, is specified in claim 11.
  • a part of the housing wall 1 of a collision protection device with squib connector is shown in plan view.
  • the housing 4 of the plug 3 has, as its side views in Figs. 3 and 4 show, the shape of a flat box and has on its underside a tubular plug part 7 for engagement in the socket 2 on.
  • the plug part 7 is part of the lower housing part. 6
  • the housing 4 has on this side a collar-shaped sleeve 9, which receives a connecting lines 8 sealingly enveloping, but not shown in the figures spout made of elastic material in it.
  • the side view of the plug 3 with a view of the sleeve 9 shows that the housing 4 between the leads 8 has a rectangular opening, namely an injection opening 10 for the introduction of an elastic sealant, which is also shown in section in the sectional drawing in Fig. 7 and there is designated 45.
  • an injection opening 10 for the introduction of an elastic sealant
  • the tubular plug part 7 has a plug-in collar 11 at its free end.
  • the plug collar 11 of the plug part 7 has a plug collar contour 12 in the form of a contour depression with - founded Fig. 6 and 7 - a bottom 13 and a stored thereon, adapted to the contour plate-shaped elastomeric seal 14.
  • the bottom 13 and the elastomeric seal 14 have mutually aligned, not designated in the figures holes that provide access to the arranged in the tubular connector part 7 terminal contacts 15.
  • 7 locking springs 16 are mounted on opposite sides on the outside of the plug collar 11 of the tubular plug part 7, which, as shown in FIG. 4 reveals, are aligned with their free ends obliquely outwards to the housing 4.
  • socket 2 in the housing wall 1 of the collision protection device consists of a matched to the outer contour of the tubular connector part 7 including detent springs 16 receiving opening 20th inner wall side, the receiving opening 20 has a counter-detent for the detent springs 16 designed recesses 21st On the bottom side, the receiving opening 20 of the socket 2 is bounded by the base 22 of the squib with the terminal plugs 23 projecting into the receiving opening 20.
  • the base 22 of the squib has on the side of the exiting connector 23 a plug collar contour 12 of the plug part 7 complementary contour increase - socket contour 24 -, is ensured by the fact that the connector only with proper polarity between the connectors 23 of the squib and the connector side terminal contacts 15 possible is.
  • the elastomeric seal 14 is pressed by the end face of the socket contour 24 sealingly against the male collar contour 12 of the tubular connector part 7.
  • the detent springs 16 engage in the inner wall side recesses 21 of the receiving opening 20 and thus lock the connector produced.
  • FIG. 6 The section A / A of the plug 3 of FIG. 2, which is shown enlarged in both FIG. 6 and in FIG. 7, shows how the housing 4 is assembled from the upper housing part 5 and lower housing part 6.
  • a comparison of FIG. 6 and 7 can be seen immediately that both figures differ only by the sealant 45, which is still missing in the representation of the plug 3 in Fig. 6.
  • this double representation has the advantage that the to be indicated in this - sectional drawing high number of reference numerals for a better overview on both Figs. 6 and 7 can be distributed.
  • Fig. 8 to 12 shows the interior view of the housing upper part 5.
  • the housing 4 of the plug 3, as shown in FIGS. 6 and 7 can be seen particularly well, in the region of the tubular plug part 7 a self-contained contact chamber 25, to which in extension of the leads 8 to the right a ferrite chamber 26 with a ferrite 27 connects.
  • the ferrite 27 has two mutually parallel bores 28 through which the leads 8 are guided into the contact chamber 25.
  • the contact-chamber-side openings 29 for the passage of the connecting lines 8 are provided with sealing ribs 30, the sealing in the mutual latching of the two housing halves in the Press insulating jacket of connecting leads 8.
  • the openings 31 are provided for the introduction of the leads 8 in the housing 4 serving with the strain relief clamping ribs 32.
  • the openings 29 and 31 with their sealing or. Clamping ribs 30 and 32 are particularly good in the interior of the lower housing part 6 in Fig. 8 can be seen.
  • each of the two terminal contacts 15 is designed together with its associated insulation displacement terminals 33 for connection to a connecting line 8 to an insertable from the inside into the tubular connector part 7 of the housing base 6 spring plate part 34.
  • the spring plate part 34 has two U-legs 35, the free ends are designed for insulation displacement terminal 33.
  • the connected to the two U-legs 35 clamping contact 15 is provided in the bridge part between the two U-legs 35.
  • the self-contained contact chamber 25 and the ferrite chamber 26 of the housing 4 are due to its subdivision into two housing halves of the upper housing part 5 and the lower housing part 6 respectively of chamber upper and lower chamber part.
  • the high demands on the tightness usually made on such plugs therefore require at least measures that ensure the tightness of the contact chamber 25.
  • On the side of the insulation displacement connection must at least for a sealing of the separation points between the Chamber part walls 39 and 41 of the upper housing part 5 and lower housing part 6 are taken care of.
  • the contact chamber 25 with an elastic sealant from a flow channel assembly 37 As can be seen well in particular in Figs. 6, 7, 8 and 12, surrounded.
  • the flow channel arrangement 37 additionally has a filling control opening 38 on the side of the housing 3 opposite the injection opening 10. In this way, when filling the flow channel arrangement 37 with the elastic sealing compound 45 under pressure, it can be easily checked when the flow channel arrangement 37 is completely filled with the sealing compound.
  • the height of the chamber part wall 39 of the housing upper part 5 is selected so that it is supported on the front side of the bottom 40 of the housing base 6.
  • the lower housing part 6 also has a chamber dividing wall 41, the height of which, however, is substantially less than that of the chamber dividing wall 39. Both chamber dividing walls 39 and 41 engage in one another in the manner of two cones, forming a relatively long and narrow dividing gap 42, which penetrates the chamber Sealant forms a flow resistance that can not be overcome by it.

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  • Chemical & Material Sciences (AREA)
  • Dispersion Chemistry (AREA)
  • Connector Housings Or Holding Contact Members (AREA)
  • Air Bags (AREA)
  • Details Of Connecting Devices For Male And Female Coupling (AREA)

Claims (11)

  1. Connecteur d'amorce pour un dispositif de protection contre une collision, en particulier dans des véhicules automobiles, comprenant une fiche (3) raccordée à des conduites de raccordement (8), et une prise (2) insérée avec les fiches de connexion (23) de l'amorce dans la paroi du boîtier (1) du dispositif de protection contre une collision ;
    la fiche (3) comportant une partie de fiche tubulaire (7) orientée perpendiculairement aux conduites de raccordement (8), avec des alvéoles ainsi qu'un support commun pour la partie de fiche (7) et les conduites de raccordement (8) ;
    et comportant des moyens, empêchant d'une part une insertion erronée de la fiche (3) dans la prise (2) et assurant d'autre part la fixation de la fiche (3) dans la prise (2) lors de l'établissement de la connexion ;
    le support commun de la partie de fiche tubulaire (7) et des conduites de raccordement (8) étant constitué par un boîtier (4) comportant la partie de fiche tubulaire (7) qui y est agencée et une partie supérieure de boîtier (5) ;
    la partie interne du boîtier comportant une chambre de contact fermée (25) comprenant des parties de la partie inférieure du boîtier (6) et de la partie supérieure du boîtier (5), servant à raccorder les conduites de raccordement insérées (8) avec les alvéoles de la partie de fiche (7) ;
    caractérisé en ce que la chambre de contact (25), dont les ouvertures (29) pour les conduites de raccordement (8) comportent des nervures d'étanchéité (30), sont entourées par un dispositif à canal découlement (37), rempli entièrement sous pression, à partir du côté externe du boîtier par l'intermédiaire et par l'intermédiaire d'une ouverture d'injection (10), d'un matériau d'étanchéité élastique (45), en vue d'établir l'étanchéité de la chambre de contact au niveau des points de séparation des parois partielles (39, 41) de la chambre de contact (25) entre la partie supérieure du boîtier et la partie inférieure du boîtier.
  2. Connecteur d'amorce selon la revendication 1, caractérisé en ce que
    le dispositif de canal d'écoulement (37) comporte vers le côté externe du boîtier, sur le côté opposé à l'ouverture d'injection (10), une ouverture de contrôle de remplissage (38).
  3. Connecteur d'amorce selon les revendications 1 ou 2, caractérisé en ce que
    en vue d'empêcher la pénétration du matériau d'étanchéité (45) dans la chambre de contact (25) lors du remplissage du dispositif de canal d'écoulement (37), les parties de paroi de la chambre (39, 41) de la chambre de contact (25) comprenant des parties de la partie inférieure du boîtier (6) et de la partie supérieure du boîtier (5) sont configurées de sorte à s'emboîter de manière conique, avec formation d'une fente de séparation étroite profonde (42) et de bords d'étanchéité approfondis.
  4. Connecteur d'amorce selon l'une des revendications précédentes, caractérisé en ce que
    en vue d'empêcher une sortie du matériau d'étanchéité du boîtier (4) lors du remplissage du dispositif de canal d'écoulement (37), les bords des parties des parois externes (43, 44) de la partie inférieure du boîtier (6) et de la partie supérieure du boîtier (5) sont emboîtés lors de l'assemblage à la manière d'un assemblage à rainure et languette.
  5. Connecteur d'amorce selon l'une des revendications précédentes, caractérisé en ce que
    le boîtier (4) comporte sur le côté de l'entrée des conduites de raccordement (8) de nervures de serrage (32) servant à la décharge de traction dans les ouvertures (31) pour les conduites de raccordement (8) ainsi que des moyens de retenue d'une douille composée d'un matériau d'étanchéité élastique (45) renfermant de manière étanche les conduites de raccordement (8), et
    l'ouverture d'injection (10) pour le dispositif de canal d'écoulement (37) est agencée dans la paroi du boîtier entre les ouvertures (31) pour les conduites de raccordement (8).
  6. Connecteur d'amorce selon l'une des revendications précédentes, caractérisé en ce que
    la partie de fiche tubulaire (7) débouche au niveau de son extrémité libre dans un collier d'enfichage (11) ;
    le collier d'enfichage (11) comporte un renfoncement de contour du contour de collier d'enfichage (12) comportant un fond (13), correspondant sur le côté de la prise à un relèvement de contour du contour de la prise (24) complémentaire, pour assurer une conenxion toujours parfaite ;
    un joint élastomère en forme de plaque (14) adapté au contour correspondant est inséré dans le collier d'enfichage (14);
    le fond du contour du collier d'enfichage et le joint élastomère dégagent des trous à effleurement pour permettre l'accès des fiches de connexion du côté de la prise (23) de l'amorce vers les alvéoles dans la partie de fiche tubulaire (7), et
    le côté frontal du contour de la prise (23) presse le joint élastomère (14) de manière étanche contre le contour du collier d'enfichage (12) lors de l'établissement de la connexion.
  7. Connecteur d'amorce selon l'une des revendications précédentes, caractérisé en ce que
    le raccordement entre les conduites de raccordement (8) et les alvéoles de la partie de fiche (7) est assuré à l'intérieur de la chambre de contact (25) par des bornes à déplacement d'isolation (33) ; et
    chaque alvéole remplacée à cet effet par un contact autodénudant (15) forme ensemble avec les bornes à déplacement d'isolation (33) correspondantes pour une conduite de raccordement (8) une pièce en tôle à ressort (34) pouvant être insérée dans la partie de fiche tubulaire (7).
  8. Connecteur d'amorce selon l'une des revendications précédentes, caractérisé en ce que
    la partie inférieure du boîtier (6) et la partie supérieure du boîtier (5) comportent des éléments d'encliquetage complémentaires (17, 18, 19) pour assurer leur encliquetage mutuel sur les parties de paroi externe (43, 44).
  9. Connecteur d'amorce selon la revendication 8, caractérisé en ce que
    il comporte différents éléments d'encliquetage, à savoir des éléments de pré-encliquetage (17, 19), et des éléments d'encliquetage final (18, 19);
    les éléments de pré-encliquetage (17, 19) assurent, au cours d'une première étape lors de l'assemblage de la partie inférieure du boîtier (6) et de la partie supérieure du boîtier (5), le pré-encliquetage, servant uniquement à l'orientation mutuelle commune, d'une part des deux parties de boîtier et d'autre part des bornes à déplacement d'isolation (33) et des conduites de raccordement (8) qui leur sont affectées et
    au cours d'une deuxième étape, les éléments d'encliquetage final (18, 19) assurent l'encliquetage final des deux parties du boîtier et établissent en même temps un contact entre les conduites de raccordement (8) et les contacts autodénudants correspondants (15) par l'intermédiaire des bornes à déplacement d'isolation (13).
  10. Connecteur d'amorce selon l'une des revendications précédentes, caractérisé en ce que
    les conduites de raccordement sont retenues à l'intérieur de la chambre de contact (25) dans des clips (36) sur la partie supérieure du boîtier (5).
  11. Connecteur d'amorce selon l'une des revendications précédentes, caractérisé en ce que
    une chambre de ferrite (26) est raccordée à la chambre de contact (25) sur le côté des conduites de raccordement (8) insérées dans la fiche (3) ; et
    un ferrite (27) est agencé dans la chambre de ferrite (26), les conduites de raccordement insérées (8) étant passées à travers les alésages mutuellement parallèles correspondants.
EP97110076A 1996-07-09 1997-06-19 Connecteur à capsule détonante Expired - Lifetime EP0818853B1 (fr)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
DE19627635A DE19627635C1 (de) 1996-07-09 1996-07-09 Zündpillen-Steckverbindung
DE19627635 1996-07-09

Publications (3)

Publication Number Publication Date
EP0818853A2 EP0818853A2 (fr) 1998-01-14
EP0818853A3 EP0818853A3 (fr) 1999-03-10
EP0818853B1 true EP0818853B1 (fr) 2006-04-26

Family

ID=7799346

Family Applications (1)

Application Number Title Priority Date Filing Date
EP97110076A Expired - Lifetime EP0818853B1 (fr) 1996-07-09 1997-06-19 Connecteur à capsule détonante

Country Status (5)

Country Link
US (1) US5921800A (fr)
EP (1) EP0818853B1 (fr)
JP (1) JP4106107B2 (fr)
KR (1) KR100510603B1 (fr)
DE (2) DE19627635C1 (fr)

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KR100510603B1 (ko) 2005-12-26
KR980012723A (ko) 1998-04-30
DE59712627D1 (de) 2006-06-01
EP0818853A2 (fr) 1998-01-14
JP4106107B2 (ja) 2008-06-25
US5921800A (en) 1999-07-13
JPH1069940A (ja) 1998-03-10
EP0818853A3 (fr) 1999-03-10
DE19627635C1 (de) 1997-12-04

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