WO1998040246A2 - Unite de verrouillage pour un arceau de securite pour vehicule, deploye lors d'une collision - Google Patents

Unite de verrouillage pour un arceau de securite pour vehicule, deploye lors d'une collision Download PDF

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Publication number
WO1998040246A2
WO1998040246A2 PCT/EP1998/001403 EP9801403W WO9840246A2 WO 1998040246 A2 WO1998040246 A2 WO 1998040246A2 EP 9801403 W EP9801403 W EP 9801403W WO 9840246 A2 WO9840246 A2 WO 9840246A2
Authority
WO
WIPO (PCT)
Prior art keywords
locking unit
event
spring
roll bar
locking
Prior art date
Application number
PCT/EP1998/001403
Other languages
German (de)
English (en)
Other versions
WO1998040246A3 (fr
Inventor
Christian Reuber
Jakob Löwen
Reinhard Nowack
Rainer Jesse
Original Assignee
Itt Manufacturing Enterprises, Inc.
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 Itt Manufacturing Enterprises, Inc. filed Critical Itt Manufacturing Enterprises, Inc.
Publication of WO1998040246A2 publication Critical patent/WO1998040246A2/fr
Publication of WO1998040246A3 publication Critical patent/WO1998040246A3/fr

Links

Classifications

    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B60—VEHICLES IN GENERAL
    • B60R—VEHICLES, VEHICLE FITTINGS, OR VEHICLE PARTS, NOT OTHERWISE PROVIDED FOR
    • B60R21/00—Arrangements or fittings on vehicles for protecting or preventing injuries to occupants or pedestrians in case of accidents or other traffic risks
    • B60R21/02—Occupant safety arrangements or fittings, e.g. crash pads
    • B60R21/13—Roll-over protection
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B60—VEHICLES IN GENERAL
    • B60R—VEHICLES, VEHICLE FITTINGS, OR VEHICLE PARTS, NOT OTHERWISE PROVIDED FOR
    • B60R21/00—Arrangements or fittings on vehicles for protecting or preventing injuries to occupants or pedestrians in case of accidents or other traffic risks
    • B60R21/02—Occupant safety arrangements or fittings, e.g. crash pads
    • B60R21/13—Roll-over protection
    • B60R2021/132—Roll bars for convertible vehicles
    • B60R2021/134—Roll bars for convertible vehicles movable from a retracted to a protection position
    • B60R2021/135—Roll bars for convertible vehicles movable from a retracted to a protection position automatically during an accident

Definitions

  • Locking unit for a roll bar for motor vehicles that is extended in the event of a crash
  • the invention relates to a locking unit for an extended roll bar for motor vehicles in the event of a crash.
  • Locking units of this type are used to lock retractable and retractable motor vehicle roll bars for reasons of comfort.
  • the roll bars which are deployed at lightning speed in the event of a crash, must be rigidly locked in their end position to fulfill their protective function in order to be able to absorb the loads acting on them when a motor vehicle rolls over, in order to protect the vehicle occupants from crushing or other damage.
  • the patent application P 4342400.7 describes the installation of a locking unit according to the preamble of claim 1.
  • This unit is constructed from a one-piece cast pawl and a spiral spring which presses the pawl against a fir-tree-shaped locking element.
  • the coil spring is not positively positioned or guided on the abutment plate or on the pawl, but is loosely clamped between the pawl and abutment plate. This inevitably results in poor position and radio reliability of the spring.
  • the invention therefore consists in a variant of a locking unit with the underlying task of representing the production and material costs more cheaply.
  • the object is achieved by the combinations of features resulting from the characterizing parts of claims 1, 3 and 4.
  • the invention essentially consists in using inexpensive components and preassembled assemblies, which can then be inexpensively assembled.
  • An advantageous and inexpensive pawl can be produced using the combination of features from claim 1.
  • the pawl is made of several flat plates, which are connected to one another in a material or positive manner, preferably by welding.
  • the contours of the individual plates are punched out of wear-resistant steel sheet, for example, and then joined together by welding points or - seams.
  • further different joining techniques are conceivable. In this way, the individual panels can also be glued together.
  • An advantageous form-fitting joint connection here is the riveting together of the individual fire-stamped flat plates with their contour.
  • an inexpensive locking unit Another step towards an inexpensive locking unit is the use of pre-assembled individual assemblies, which can then be assembled inexpensively for final assembly in a short time and with simple manipulations.
  • the spring block can be manufactured easily and cheaply.
  • the spring block is assembled as a receiving and securing element and at least one spiral spring.
  • the preassembled assembly can then be installed inexpensively in a short time in the locking assembly.
  • it then defines and secures the position of the springs in the final assembled locking assembly.
  • Fig. 1 shows the locking unit in assembly
  • Fig. 2 is a receiving and securing element
  • Fig. 3 is a pawl.
  • Fig. 1 shows the locking unit in the assembly, consisting of a locking element 2, a pawl 3, a spring block 8 and two coil springs 4.
  • the locking element 2 is designed as a fir tree-shaped locking pin made of abrasion-resistant and rigid material.
  • the pawl 3 is permanently pressed against the locking element by the prestressed springs. When the roll bar is extended, the latching element moves upward past the pawl such that the inclined planes of the latching teeth of the latching pawl 5 and the latching teeth of the latching mandrel 19 slide against one another and press the latch against the springs away from the latching mandrel and unlock the locking unit.
  • the springs 4 are pre-assembled in the receiving and securing element 9 to the spring block 8.
  • the diameter of the last turn DW 10 at one end of the spring is larger than the spring diameter DF and the spring receiving bores 13 of the receiving and securing element 9 have an undercut 12 on their side facing away from the pawl 3, in which the last enlarged turn 10 of the spring when inserted through the receiving bore 13 is received.
  • the spring block 8 is then simply clipped onto the counter bearing plate 20.
  • the sheet metal thereby closes the spring receiving bore 13 from behind and the springs are thereby captively mounted in the correct position and position.
  • 2 shows the pawl 3 manufactured in sandwich construction.
  • the sandwich is constructed symmetrically from three plates 6, which determine the outer contour and are punched out of flat steel sheet.
  • the two outer plates have the same outer contour.
  • the contour of the middle plate contains the switching lever 7 necessary for manual actuation of the locking unit.
  • the plates 6 are layered on top of one another in such a way that a single, precisely fitting outer contour is created for the pawl and the plates 6 are attached by means of three welding spots 21, which are placed on the outer contour of the pawl are cohesively connected.
  • the outer contour of the pawl 3 has 3 locking teeth 5 on one side and 2 spring guide lugs 16 on the opposite side, which are integrated in the contour of the middle plate.
  • the spring receiving and securing element is shown.
  • the spring receiving and securing element is cast in one piece with spring support 11 and a cover plate 14 arranged at right angles thereto from plastic.
  • the cover plate is provided over its central axis from the side opposite the spring support 14 to the root of the spring support 17 with a rectangular slot 18, the long sides of which are delimited by guide webs 22.
  • a clip nose 15 for attaching the spring block to the counter bearing plate 20 is cast on each side parallel to the spring support at the end of the rectangular slot.

Landscapes

  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Springs (AREA)
  • Vibration Dampers (AREA)
  • Lock And Its Accessories (AREA)

Abstract

En vue de réduire le coût d'une unité de verrouillage pour un arceau de sécurité pour véhicule, déployé lors d'une collision, l'invention prévoit, d'une part, une construction en sandwich des cliquets d'arrêt utilisés dans le groupe d'assemblage et, d'autre part, la constitution de sous-groupes d'assemblage pouvant être pré-assemblés. Le sandwich desdits cliquets d'arrêt (3) comprend plusieurs pièces planes estampées en tôle d'acier, pouvant être assemblées entre elles par liaison de forme ou par joint intégré, de manière à obtenir une unité non détachable du cliquet d'arrêt. Le bloc élastique, formé de ressorts spirales et d'un élément d'absorption et de sécurité en matière plastique, est défini comme groupe d'assemblage pouvant être pré-assemblé. Ce groupe d'assemblage peut être pré-assemblé en peu de temps et avec peu de manipulations et être édifié, après pré-assemblage, en une seule manipulation, pour constituer le groupe d'assemblage de l'unité de verrouillage. Les deux mesures précitées sont appropriées pour la réduction, à la fois, du coût des pièces et du coût de la fabrication.
PCT/EP1998/001403 1997-03-11 1998-03-11 Unite de verrouillage pour un arceau de securite pour vehicule, deploye lors d'une collision WO1998040246A2 (fr)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
DE1997109908 DE19709908B4 (de) 1997-03-11 1997-03-11 Verriegelungseinheit für einen im Crashfall ausgefahrenen Überrollbügel für Kraftfahrzeuge
DE19709908.4 1997-03-11

Publications (2)

Publication Number Publication Date
WO1998040246A2 true WO1998040246A2 (fr) 1998-09-17
WO1998040246A3 WO1998040246A3 (fr) 1998-12-03

Family

ID=7822921

Family Applications (1)

Application Number Title Priority Date Filing Date
PCT/EP1998/001403 WO1998040246A2 (fr) 1997-03-11 1998-03-11 Unite de verrouillage pour un arceau de securite pour vehicule, deploye lors d'une collision

Country Status (2)

Country Link
DE (1) DE19709908B4 (fr)
WO (1) WO1998040246A2 (fr)

Families Citing this family (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE10103247C1 (de) * 2001-01-25 2002-02-21 Ise Gmbh Überrollschutzsystem für Kraftfahrzeuge
DE10314975B4 (de) * 2003-04-02 2006-05-24 Ise Innomotive Systems Europe Gmbh Überrollschutzsystem für Kraftfahrzeuge
DE102005004647B3 (de) * 2005-02-02 2006-03-16 Ise Innomotive Systems Europe Gmbh Überrollschutzsystem für Kraftfahrzeuge mit einem ausfahrbaren Überrollkörper und einer Wiedereinfahrsperre
DE102005010187B3 (de) * 2005-03-05 2006-08-24 Ise Innomotive Systems Europe Gmbh Überrollschutzsystem für Kraftfahrzeuge mit einem ausfahrbaren Überrollkörper und einer Wiedereinfahrsperre

Citations (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE3732562C1 (de) * 1987-09-26 1988-11-24 Daimler Benz Ag Antriebsvorrichtung fuer einen UEberrollbuegel fuer Kraftwagen
DE4302152A1 (de) * 1993-01-27 1994-07-28 Teves Gmbh Co Ohg Alfred Mit einer Steuermutter versehener, elektrisch betätigter Komfortantrieb für Überrollbügel
EP0752344A1 (fr) * 1995-07-04 1997-01-08 ITT Automotive Europe GmbH Arceau de sécurité télescopique
DE19644877C1 (de) * 1996-10-29 1997-07-24 Daimler Benz Ag Antriebsvorrichtung für einen Überrollbügel in einem Kraftwagen

Patent Citations (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE3732562C1 (de) * 1987-09-26 1988-11-24 Daimler Benz Ag Antriebsvorrichtung fuer einen UEberrollbuegel fuer Kraftwagen
DE4302152A1 (de) * 1993-01-27 1994-07-28 Teves Gmbh Co Ohg Alfred Mit einer Steuermutter versehener, elektrisch betätigter Komfortantrieb für Überrollbügel
EP0752344A1 (fr) * 1995-07-04 1997-01-08 ITT Automotive Europe GmbH Arceau de sécurité télescopique
DE19644877C1 (de) * 1996-10-29 1997-07-24 Daimler Benz Ag Antriebsvorrichtung für einen Überrollbügel in einem Kraftwagen

Also Published As

Publication number Publication date
DE19709908A1 (de) 1998-09-17
WO1998040246A3 (fr) 1998-12-03
DE19709908B4 (de) 2004-05-06

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