EP0780938A1 - Dispositif de connexion pour systèmes d'allumage pour véhicules - Google Patents

Dispositif de connexion pour systèmes d'allumage pour véhicules Download PDF

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Publication number
EP0780938A1
EP0780938A1 EP96113458A EP96113458A EP0780938A1 EP 0780938 A1 EP0780938 A1 EP 0780938A1 EP 96113458 A EP96113458 A EP 96113458A EP 96113458 A EP96113458 A EP 96113458A EP 0780938 A1 EP0780938 A1 EP 0780938A1
Authority
EP
European Patent Office
Prior art keywords
ignition cable
ignition
connector
connection
sleeve
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Withdrawn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
EP96113458A
Other languages
German (de)
English (en)
Inventor
Dieter Ing. Raff
Dieter Reinmueller
Juergen Schmatz
Dieter Dipl.-Ing. Kerber
Dieter Dipl.-Ing. Kettemann
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Robert Bosch GmbH
Original Assignee
Robert Bosch GmbH
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by Robert Bosch GmbH filed Critical Robert Bosch GmbH
Publication of EP0780938A1 publication Critical patent/EP0780938A1/fr
Withdrawn legal-status Critical Current

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Classifications

    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01T—SPARK GAPS; OVERVOLTAGE ARRESTERS USING SPARK GAPS; SPARKING PLUGS; CORONA DEVICES; GENERATING IONS TO BE INTRODUCED INTO NON-ENCLOSED GASES
    • H01T13/00—Sparking plugs
    • H01T13/02—Details
    • H01T13/04—Means providing electrical connection to sparking plugs

Definitions

  • the invention relates to a connecting device for ignition systems of motor vehicles according to the preamble of the main claim.
  • a connecting device is known (DE 36 09 475 A1).
  • a connector provided for contacting the connection of an ignition device has an ignition cable connector and a sheath; the latter partially surrounds the ignition cable connector.
  • the connector has a connector for fixing the ignition cable over its insulation jacket.
  • a connection pin is included as an electrical connecting piece between the conductor of the ignition cable and another part of the ignition cable connector, which is referred to as the projecting area and has the function of a contact part for connection to the ignition device.
  • the jacket made of an elastic, electrical insulation material is injection molded around the ignition cable connector or mounted on it later. To couple the connector plug to the ignition device, it is necessary to position the connector plug and connector in the same axis and to plug them together in a directed manner.
  • a connecting device designed in this way can only be coupled in a time-consuming manner; it contains as an essential part a connector plug, which is composed of many parts, so that a high manufacturing and assembly effort is required and the connecting device can only be realized cost-effectively.
  • connectors for ignition systems in an angled version (DE 38 37 759 C2).
  • Such connectors have an angled metal tube inside, which serves as an internal current-carrying electrode between a coil connector bolt and an ignition cable contact.
  • using such a connecting part creates an additional contact point which increases the susceptibility to faults and the manufacturing costs.
  • the connecting device according to the invention for ignition systems on motor vehicles has the advantage that the aforementioned shortcomings are avoided, on the one hand saving a contact point and on the other hand reducing the production costs.
  • a connection device for ignition systems of motor vehicles is used to establish an electrical connection between an ignition cable 1 and an ignition device 2 of the motor vehicle.
  • the connecting device has the following main parts: a connector 3, which consists of an ignition cable connector 4, to which the ignition cable 1 is connected, and a casing 5, and a connector 6 of the ignition device 2, which is surrounded by a guide element 7.
  • the ignition cable connector 4 is designed as a one-piece bent sheet metal part and has a U-shaped connection area 8 with a first connection section 9 and a second connection section 10 and a sleeve-shaped contact section 11.
  • connection area 8 a connection to the ignition cable 1 is established by crimping.
  • first sheet metal tabs 12 are pressed into first connection section 9 into an insulating jacket 13 of ignition cable 1 and second sheet tabs 14 into second strand section 10 into a stranded conductor 15 of ignition cable 1.
  • the metal tabs 12 and 14, which are arranged in pairs symmetrically to a longitudinal axis 16 of the ignition cable connector 4, essentially enclose the assigned sections of the ignition cable 1 after the crimping process.
  • the contact section 11, which adjoins the second connection section 10, has at its free end a connection opening 17 which is delimited on the circumference by a wall 18.
  • the wall 18 is severed by a slot 19 directed at right angles to the longitudinal axis 16 of the ignition cable connector 4.
  • a latching connection element 20 is mounted in the form of a spring clip which can be spring-loaded on the circumference and is thereby secured against axial stripping by latching projections 21 emerging from the wall.
  • the latching connection element 20 projects into the contact section 11 with part of its circumferential extent.
  • the casing 5 is made of rubber or another elastic material and has a substantially circular cylindrical cross section. It has a stepped through hole 22. A radially narrower part of the through hole 22 is dimensioned in such a way that it can only be applied to the insulation jacket 13 of the ignition cable 1 with a large expansion using a lubricant. Due to the resilience of the expanded part of the sheathing after the expansion has been lifted and after the lubricant has evaporated, the sheathing 5 is mounted in a predetermined position on the ignition cable 1 in a manner that can no longer be displaced.
  • the ignition cable 1 and the ignition cable connector 4 are inserted into a longitudinally slotted angle sleeve 23, which is made of a thermoplastic.
  • the angle sleeve 22 together with the ignition cable 1 and the ignition cable connector 4 is inserted into the connector casing 5, namely in a radially further part of the through bore 22 which, just like the angle sleeve 23, also extends at an angle.
  • One leg 24 of the angle sleeve 23 is in his Adjusted inside an outer contour 25 of the ignition cable connector 4, so that the contact portion 11 is closely surrounded by the leg 24 of the angle sleeve 23.
  • the length of the leg 24 is dimensioned such that the locking connecting element 20 remains free of the leg 24 of the angle sleeve 23.
  • a radially further part of the through hole 22 has a diameter which enables the connection plug 3, essentially formed by the casing 5 of the ignition cable connector 4, to be pushed onto the guide element 7, which coaxially surrounds the connection 6 of the ignition device 2 and projects beyond its free end, which in the Kind of a dome-shaped connector receptacle is formed.
  • connection 6 of the ignition device 2 is designed as a round bolt which is arranged symmetrically to an axis 26 and protrudes from the ignition device 2. It has a cylindrical shaft 27 which can be inserted into the contact section 11, a circumferential locking groove 28 which divides the shaft 27 and a tip 29 at its free end.
  • the casing 5 is pushed with its open end adjacent to the contact section 11 onto the guide element 7 in a first movement step until the connection opening 17 of the contact section 11 has reached the tip 29 of the shaft 27.
  • the contact section 11 slides over this dome 29 onto the shaft 27 until the locking connection element 20 engages in the locking groove 28.
  • the cross-sectional area of the locking groove 28 is rectangular, for an alternative detachable connection, however, trapezoidal, widening from the base of the groove.
  • connection device With the connecting device according to the invention, it is possible to fix an ignition cable 1 in an ignition cable connector 4 both on the insulation jacket 13 and on the conductor 15 with the angular sleeve 23 arranged in between.
  • a simply constructed angled connector 3 can be produced in an inexpensive manner, the coupling of which to the connection 6 of the ignition device 2 is force-centered, so that the connection device can be produced with short assembly times under roughly tolerated joining conditions.

Landscapes

  • Details Of Connecting Devices For Male And Female Coupling (AREA)
  • Ignition Installations For Internal Combustion Engines (AREA)
  • Lighting Device Outwards From Vehicle And Optical Signal (AREA)
  • Automatic Cycles, And Cycles In General (AREA)
EP96113458A 1995-12-23 1996-08-22 Dispositif de connexion pour systèmes d'allumage pour véhicules Withdrawn EP0780938A1 (fr)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
DE29520528U DE29520528U1 (de) 1995-12-23 1995-12-23 Verbindungsvorrichtung für Zündanlagen von Kraftfahrzeugen
DE29520528U 1995-12-23

Publications (1)

Publication Number Publication Date
EP0780938A1 true EP0780938A1 (fr) 1997-06-25

Family

ID=8017211

Family Applications (1)

Application Number Title Priority Date Filing Date
EP96113458A Withdrawn EP0780938A1 (fr) 1995-12-23 1996-08-22 Dispositif de connexion pour systèmes d'allumage pour véhicules

Country Status (2)

Country Link
EP (1) EP0780938A1 (fr)
DE (1) DE29520528U1 (fr)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN110544843A (zh) * 2019-09-17 2019-12-06 高邮市微特电机有限公司 一种点火线缆转接头

Families Citing this family (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE19800879A1 (de) * 1998-01-13 1999-05-06 Bosch Gmbh Robert Zündspulenstecker

Citations (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE3609475A1 (de) * 1985-03-23 1987-04-09 Sumitomo Wiring Systems Verbindungsvorrichtung fuer das zuendungssystem von kraftfahrzeugen
DE3810886A1 (de) * 1988-03-30 1989-10-12 Draexlmaier Lisa Gmbh Kerzenstecker, insbesondere fuer gluehkerzen
EP0383661A1 (fr) * 1989-02-14 1990-08-22 Societe D'application Des Ferrites-Musorb Dispositif de connexion électrique d'un câble, notamment d'allumage, sur un plot
DE9315385U1 (de) * 1993-10-12 1995-02-09 Robert Bosch Gmbh, 70469 Stuttgart Elektrischer Anschlußstecker
JPH0778665A (ja) * 1993-09-09 1995-03-20 Sumitomo Wiring Syst Ltd 内燃機関用高圧ケーブルの接続端子

Patent Citations (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE3609475A1 (de) * 1985-03-23 1987-04-09 Sumitomo Wiring Systems Verbindungsvorrichtung fuer das zuendungssystem von kraftfahrzeugen
DE3810886A1 (de) * 1988-03-30 1989-10-12 Draexlmaier Lisa Gmbh Kerzenstecker, insbesondere fuer gluehkerzen
EP0383661A1 (fr) * 1989-02-14 1990-08-22 Societe D'application Des Ferrites-Musorb Dispositif de connexion électrique d'un câble, notamment d'allumage, sur un plot
JPH0778665A (ja) * 1993-09-09 1995-03-20 Sumitomo Wiring Syst Ltd 内燃機関用高圧ケーブルの接続端子
DE9315385U1 (de) * 1993-10-12 1995-02-09 Robert Bosch Gmbh, 70469 Stuttgart Elektrischer Anschlußstecker

Non-Patent Citations (1)

* Cited by examiner, † Cited by third party
Title
PATENT ABSTRACTS OF JAPAN vol. 95, no. 003 *

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN110544843A (zh) * 2019-09-17 2019-12-06 高邮市微特电机有限公司 一种点火线缆转接头
CN110544843B (zh) * 2019-09-17 2024-04-26 高邮市微特电机有限公司 一种点火线缆转接头

Also Published As

Publication number Publication date
DE29520528U1 (de) 1997-04-24

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