DE102006032649A1 - Safety device for motor vehicle, has locking unit designed in enlargeable manner by drive device and coupled with guiding device e.g. cable, such that locking unit is displaced from normal position in direction of one of pad units - Google Patents

Safety device for motor vehicle, has locking unit designed in enlargeable manner by drive device and coupled with guiding device e.g. cable, such that locking unit is displaced from normal position in direction of one of pad units

Info

Publication number
DE102006032649A1
DE102006032649A1 DE200610032649 DE102006032649A DE102006032649A1 DE 102006032649 A1 DE102006032649 A1 DE 102006032649A1 DE 200610032649 DE200610032649 DE 200610032649 DE 102006032649 A DE102006032649 A DE 102006032649A DE 102006032649 A1 DE102006032649 A1 DE 102006032649A1
Authority
DE
Germany
Prior art keywords
blocking element
safety device
characterized
device according
element
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Withdrawn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
DE200610032649
Other languages
German (de)
Inventor
Yannick Delouche
Dominique Dufaut
Christophe Fleury
Alain Nicolas
Samuel Simèon
Jaulme Stéphanie
Kyriakos Vavalidis
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.)
Autoliv Development AB
Original Assignee
Autoliv Development AB
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 Autoliv Development AB filed Critical Autoliv Development AB
Priority to DE200610032649 priority Critical patent/DE102006032649A1/en
Publication of DE102006032649A1 publication Critical patent/DE102006032649A1/en
Application status is Withdrawn legal-status Critical

Links

Classifications

    • BPERFORMING OPERATIONS; TRANSPORTING
    • B60VEHICLES IN GENERAL
    • B60RVEHICLES, VEHICLE FITTINGS, OR VEHICLE PARTS, NOT OTHERWISE PROVIDED FOR
    • B60R21/00Arrangements or fittings on vehicles for protecting or preventing injuries to occupants or pedestrians in case of accidents or other traffic risks
    • B60R21/01Electrical circuits for triggering passive safety arrangements, e.g. airbags, safety belt tighteners, in case of vehicle accidents or impending vehicle accidents
    • B60R21/013Electrical circuits for triggering passive safety arrangements, e.g. airbags, safety belt tighteners, in case of vehicle accidents or impending vehicle accidents including means for detecting collisions, impending collisions or roll-over
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B60VEHICLES IN GENERAL
    • B60NSEATS SPECIALLY ADAPTED FOR VEHICLES; VEHICLE PASSENGER ACCOMMODATION NOT OTHERWISE PROVIDED FOR
    • B60N2/00Seats specially adapted for vehicles; Arrangement or mounting of seats in vehicles
    • B60N2/24Seats specially adapted for vehicles; Arrangement or mounting of seats in vehicles for particular purposes or particular vehicles
    • B60N2/42Seats specially adapted for vehicles; Arrangement or mounting of seats in vehicles for particular purposes or particular vehicles the seat constructed to protect the occupant from the effect of abnormal g-forces, e.g. crash or safety seats
    • B60N2/427Seats or parts thereof displaced during a crash
    • B60N2/42727Seats or parts thereof displaced during a crash involving substantially rigid displacement
    • B60N2/42754Seats or parts thereof displaced during a crash involving substantially rigid displacement of the cushion
    • B60N2/42763Seats or parts thereof displaced during a crash involving substantially rigid displacement of the cushion with anti-submarining systems
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B60VEHICLES IN GENERAL
    • B60NSEATS SPECIALLY ADAPTED FOR VEHICLES; VEHICLE PASSENGER ACCOMMODATION NOT OTHERWISE PROVIDED FOR
    • B60N2/00Seats specially adapted for vehicles; Arrangement or mounting of seats in vehicles
    • B60N2/24Seats specially adapted for vehicles; Arrangement or mounting of seats in vehicles for particular purposes or particular vehicles
    • B60N2/42Seats specially adapted for vehicles; Arrangement or mounting of seats in vehicles for particular purposes or particular vehicles the seat constructed to protect the occupant from the effect of abnormal g-forces, e.g. crash or safety seats
    • B60N2/427Seats or parts thereof displaced during a crash
    • B60N2/42772Seats or parts thereof displaced during a crash characterised by the triggering system
    • B60N2/4279Seats or parts thereof displaced during a crash characterised by the triggering system electric or electronic triggering
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B60VEHICLES IN GENERAL
    • B60RVEHICLES, VEHICLE FITTINGS, OR VEHICLE PARTS, NOT OTHERWISE PROVIDED FOR
    • B60R21/00Arrangements or fittings on vehicles for protecting or preventing injuries to occupants or pedestrians in case of accidents or other traffic risks
    • B60R21/02Occupant safety arrangements or fittings, e.g. crash pads
    • B60R2021/0206Self-supporting restraint systems, e.g. restraining arms, plates or the like
    • B60R2021/022Self-supporting restraint systems, e.g. restraining arms, plates or the like mounted on seats
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B60VEHICLES IN GENERAL
    • B60RVEHICLES, VEHICLE FITTINGS, OR VEHICLE PARTS, NOT OTHERWISE PROVIDED FOR
    • B60R21/00Arrangements or fittings on vehicles for protecting or preventing injuries to occupants or pedestrians in case of accidents or other traffic risks
    • B60R21/02Occupant safety arrangements or fittings, e.g. crash pads
    • B60R21/16Inflatable occupant restraints or confinements designed to inflate upon impact or impending impact, e.g. air bags
    • B60R21/20Arrangements for storing inflatable members in their non-use or deflated condition; Arrangement or mounting of air bag modules or components
    • B60R21/207Arrangements for storing inflatable members in their non-use or deflated condition; Arrangement or mounting of air bag modules or components in vehicle seats

Abstract

The safety device has sensor devices for detecting a crash or a forthcoming crash, and a vehicle seat with pad units and a form-stable locking unit (1), which is brought into an operating position from a normal position over a drive device e.g. pyrotechnic drive train (3). The locking unit is designed in an enlargeable manner by the drive device and coupled with a guiding device e.g. cable (2), which is designed in such a manner that the locking unit is displaced from the normal position in the direction of one of the pad units.

Description

  • The The invention relates to a safety device in a motor vehicle with sensor devices for detecting an accident or a imminent accident and a vehicle seat with upholstery elements and a dimensionally stable blocking element, which via a drive device can be brought from a normal position to an operating position.
  • A Such safety device is particularly suitable for the Slipping under a seat belt, the so-called "submarining", to prevent.
  • at a frontal impact of a vehicle, a vehicle occupant slipping under an applied lap belt, causing heavy weight Injuries to the lower extremities may result, for example the knees of the occupant against hard vehicle parts in the cockpit or Dashboard area. The submarining effect occurs in padded vehicle seats, as the pelvis down dodge into the elastic pad and below the lap belt can slip forward. To prevent slipping past, a variety of solutions have been proposed who restrain the inmates, by lifting the front part of the seat cushion.
  • The EP 1 042 139 B1 describes a vehicle seat with a seat portion supported by a pedestal structure. Below the seat part a cross bar is arranged, which is mounted on the lateral elements of the base structure via a cable. The cable is attached to a tensioning device, which is activated in the event of an accident. Once the cable is tensioned, the cross bar is raised from a lowered lower position to a raised activated position. As a result, the pad of the seat part can be compressed. In addition to a pure vertical guide, the crossbar can also be guided in a sliding guide.
  • The Arrangement with a laterally arranged next to the seat structure Clamping device is very complex and requires a relatively large amount of space not available in the seating area stands.
  • task the present invention is to provide a safety device, which is simpler in design and more compact.
  • According to the invention this Task by a safety device with the features of the claim 1 solved, Advantageous embodiments and further developments of the invention are in the subclaims described.
  • The Safety device according to the invention in a motor vehicle with sensor devices for detecting a Accident or an imminent accident and a vehicle seat with upholstery elements and a dimensionally stable blocking element, which has a Drive device from a normal position to an operating position can be brought, provides that the blocking element via a drive device formed enlarged is and with a leadership facility is coupled, which is formed so that the enlarged locking element shifted from the normal position in the direction of the cushion element is. Due to the enlargeable It is the embodiment of the blocking element by the drive device possible, the safety device overall smaller, since only a relatively small blocking element can be accommodated in the normal position got to. In case of an accident or an imminent accident, the over the sensor devices is detected, then the drive device activated and increases the blocking element. The management device in which the Locking element is mounted, is designed so that a shift takes place in the direction of the cushion element, so that the enlargement of the Locking element itself causes the displacement. This can do that Upholstered element or the seat part are reinforced, stiffened or raised, which prevents or reduces the tendency of submarining.
  • The Locking element can either transverse to the direction of travel below the seat cushion be arranged, in particular in the front area of the seat cushion or the upholstery element to raise, or is in a seat back cheek arranged to shift sideways in a side impact To prevent by the seat back cheek is stiffened.
  • Farther it is envisaged that the drive means as a pyrotechnic Propellant, a spring, a magnet, in particular an electromagnet or electric motor is formed, wherein the drive means is preferably disposed within the blocking element to a possible to realize compact design. In addition, the drive devices Protected by the arrangement within the blocking element against external influences.
  • A preferred embodiment The invention provides that the blocking element formed telescopic is, as a system of nested pipes, within of which the drive device is located. In addition to a high stability and a Lightweight construction is due to the telescopic locking element also made sure about that entire width of the upholstery device a support or loading with a pressure force is effected by the blocking element.
  • A development of the invention provides a plurality of blocking elements are arranged in or under the vehicle seat, wherein these blocking elements can also be activated independently of one another. Depending on the driving conditions or an accident scenario then multiple drive devices can be activated simultaneously or sequentially to allow optimal adjustment of the seat to the accident.
  • Around one possible even distribution of personnel to allow from the blocking element to the cushioning element is a plate between the blocking element and the padding element attached, which distributes the corresponding forces over a larger area.
  • Around to prevent the locking element after switching off the drive device is again reduced or zusammenschiebt, is a locking device provided which locks the locking element in the operating position. Such a locking device can, for example, as a Art Klemmrollenfreilauf or ratchet mechanism be formed which allows movement in one direction, in the opposite direction Direction is locked however.
  • In An embodiment of the invention, it is provided that the guide device formed as a rope, a cable or a wire or the like is. The locking element can be attached to the rope, cable or wire by means of eyelets Alternatively, the rope, cable or wire may pass through the blocking element passed through be. Alternatively, the blocking element can be mounted on a link guide be that a magnifying movement, in particular transversely to the direction of travel into a vertical component, so that the locking device is pressed against the seat cushion. The magnification or the extension the blocking element simultaneously serves as a drive to the blocking element in the direction of the upholstery element or on the vehicle user shift and cause stabilization of the cushioning device.
  • following is an embodiment of Invention with reference to the attached Figures explained in more detail. It demonstrate:
  • 1a and 1b a schematic representation of a safety device in the normal and operating position;
  • 2 - A sectional view through a blocking element;
  • 3 A schematic representation of the safety device before activation; such as
  • 4 - A schematic representation of the safety device after activation.
  • In the 1a is a safety device with a blocking element 1 shown below a padding device, not shown, of a vehicle seat. The blocking element 1 is telescopic and has two dimensionally stable parts 11 . 12 on, which are inserted into each other, for example metal tubes made of a light metal alloy. Within the cylinder formed as a receiving part 11 is a drive device 3 arranged in the form of a pyrotechnic propellant. The pyrotechnic propellant 3 is over a cable 4 connected to a control device for triggering the pyrotechnic propellant. As soon as the sensor devices within the vehicle detect an accident, for example because of great delays or an imminent accident, a signal is sent to the drive device via the control device 3 Posted. The pyrotechnic propellant ignites and pushes the inner part formed as a piston 12 of the blocking element 1 from the cylinder part 11 ,
  • Through the blocking element 1 is a leadership facility 2 guided in the form of a cable. The cable 2 is at attachment points 21 . 22 on sidewalls 51 . 52 fastened the vehicle seat, not shown. The attachment points 21 . 22 are chosen so that after ignition of the drive device 3 and the moving apart of the parts 11 . 12 of the blocking element 1 the shift to the height of the attachment points 21 . 22 is effected, so that the blocking element 1 at least in contact with the cushioning member and this either compresses or lifts.
  • In the 1b the blocking element is shown in the operating position. After ignition of the drive device 3 the blocking element expands 1 in both directions along the cable 2 and is determined by the arrangement and dimensions of the cable 2 raised. The passage of the cable 2 through the piston part 12 can be sealed, so that in one embodiment of the drive device 3 as pyrotechnic propellant only a small pressure loss occurs.
  • After reaching the operating position, as in the 1b shown, the parts can 11 . 12 on the side cheeks 51 . 52 the vehicle seat either abut or spaced therefrom by a stop within the locking element 1 be held. Within the blocking element 1 is a locking device 6 arranged, which is designed as a clamping roller freewheel and a movement of the cylinder part 11 and the piston part 12 inwardly toward each other. This ensures that the cushion part, not shown, is compressed or raised over a long period of time. By the illustrated blocking element 1 will not be requires external clamping devices, but rather the rigid locking element 1 at the same time the clamping device, only one guide 2 in the form of a cable, a rope or a wire or possibly a slotted guide, engage in the pin or the like, are necessary so that the transverse movement of the moving apart locking element 1 simultaneously has a vertical movement in the direction of the cushion element result.
  • In the 2 is on average a support plate 13 shown on a part 11 , in this case the cylinder part 11 of the blocking element 1 , is appropriate. As a result, the force exerted on the cushioning element is distributed over a larger area, so that the aggressiveness of the impact of the blocking element on the cushioning element is reduced.
  • In the 3 and 4 is a schematic representation of a vehicle seat 5 shown with a safety device. Again, the blocking element 1 designed as a telescoping tube, attached to a cable or wire 2 below a cushioning element 53 is stored in the normal position. The cable 2 is at the attachment points 21 . 22 on the side cheeks 51 . 52 of the vehicle seat 5 attached. On the cushion element 53 is schematically a vehicle occupant with thighs 7 and hip 8th shown. If the drive device, not shown, activated, proceed as in the 4 shown, the cylinder and piston parts 11 . 12 apart, as shown by the arrows. Because of the guide through the cable 2 within the blocking element 1 this is shifted upwards, causing the seat cushion 53 in the front area of the seat 5 is raised.
  • alternative to an activation over a pyrotechnic drive device can be preloaded linear springs, a solenoid, an electromagnet or an electric motor used become.
  • In addition to an arrangement of the blocking element 1 below a seat cushion 53 a blocking element can also be arranged inside a side cheek of a vehicle seat in the seat back. Likewise, a plurality of locking elements, optionally at different heights, can be arranged behind one another in order to be activated selectively or jointly in the event of an accident or an imminent accident.

Claims (11)

  1. Safety device in a motor vehicle with sensor devices for detecting an accident or an imminent accident and a vehicle seat with cushioning elements and a dimensionally stable blocking element, which can be brought via a drive device from a normal position to an operating position, characterized in that the blocking element ( 1 ) via the drive device ( 3 ) and formed with a guide device ( 2 ) is formed, which is formed so that the enlarged locking element ( 1 ) from the normal position in the direction of the padding element ( 53 ) is relocated.
  2. Safety device according to claim 1, characterized in that the blocking element ( 1 ) transverse to the direction of travel below a seat cushion ( 53 ) is arranged.
  3. Safety device according to claim 1 or 2, characterized in that the blocking element ( 1 ) is arranged in a seat back cheek.
  4. Safety device according to one of the preceding claims, characterized in that the drive device ( 3 ) is designed as a pyrotechnic propellant, spring, magnet or electric motor.
  5. Safety device according to one of the preceding claims, characterized in that the blocking element ( 1 ) is telescopic.
  6. Safety device according to one of the preceding claims, characterized in that a plurality of locking elements ( 1 ) in or under the vehicle seat ( 5 ) are arranged.
  7. Safety device according to claim 6, characterized in that the plurality of locking elements ( 1 ) are independently activatable.
  8. Safety device according to one of the preceding claims, characterized in that on the blocking element ( 1 ) a plate ( 13 ) for the distribution of force on the padding element ( 53 ) is arranged.
  9. Safety device according to one of the preceding claims, characterized in that a locking device ( 6 ) the blocking element ( 1 ) associated with the blocking element ( 1 ) locked in the operating position.
  10. Safety device according to one of the preceding claims, characterized in that the guide device ( 2 ) is designed as a rope, cable, wire or a slotted guide.
  11. Safety device according to one of the preceding claims, characterized in that in the blocking element ( 1 ) a displaceable piston is mounted, the at least two parts ( 11 . 12 ) of the blocking element ( 1 ) after activating the on drive device ( 3 ) pushes apart.
DE200610032649 2006-07-13 2006-07-13 Safety device for motor vehicle, has locking unit designed in enlargeable manner by drive device and coupled with guiding device e.g. cable, such that locking unit is displaced from normal position in direction of one of pad units Withdrawn DE102006032649A1 (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
DE200610032649 DE102006032649A1 (en) 2006-07-13 2006-07-13 Safety device for motor vehicle, has locking unit designed in enlargeable manner by drive device and coupled with guiding device e.g. cable, such that locking unit is displaced from normal position in direction of one of pad units

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
DE200610032649 DE102006032649A1 (en) 2006-07-13 2006-07-13 Safety device for motor vehicle, has locking unit designed in enlargeable manner by drive device and coupled with guiding device e.g. cable, such that locking unit is displaced from normal position in direction of one of pad units

Publications (1)

Publication Number Publication Date
DE102006032649A1 true DE102006032649A1 (en) 2008-01-17

Family

ID=38825287

Family Applications (1)

Application Number Title Priority Date Filing Date
DE200610032649 Withdrawn DE102006032649A1 (en) 2006-07-13 2006-07-13 Safety device for motor vehicle, has locking unit designed in enlargeable manner by drive device and coupled with guiding device e.g. cable, such that locking unit is displaced from normal position in direction of one of pad units

Country Status (1)

Country Link
DE (1) DE102006032649A1 (en)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE102018203461A1 (en) * 2018-03-07 2019-09-12 Bayerische Motoren Werke Aktiengesellschaft vehicle seat

Citations (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2000103273A (en) * 1998-09-29 2000-04-11 Nhk Spring Co Ltd Vehicular seat
DE10011817A1 (en) * 1999-03-15 2000-12-21 Nhk Spring Co Ltd Anti-submarine vehicle seat device for preventing vehicle occupant from slipping forward under seat belt during impact situation, has sensors that trigger actuators, causing deformation of seat squab to prevent sliding of seat occupant
EP1042139B1 (en) * 1997-12-21 2005-08-10 Renault s.a.s. Antisubmarining device capable of being unfolded from an inoperative to an operative position
DE102004019221A1 (en) * 2004-04-21 2005-11-10 Keiper Gmbh & Co.Kg Seat for especially motor vehicle comprises has transverse element which in event of crash moves to support position lying in direct spatial proximity to initial position

Patent Citations (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP1042139B1 (en) * 1997-12-21 2005-08-10 Renault s.a.s. Antisubmarining device capable of being unfolded from an inoperative to an operative position
JP2000103273A (en) * 1998-09-29 2000-04-11 Nhk Spring Co Ltd Vehicular seat
DE10011817A1 (en) * 1999-03-15 2000-12-21 Nhk Spring Co Ltd Anti-submarine vehicle seat device for preventing vehicle occupant from slipping forward under seat belt during impact situation, has sensors that trigger actuators, causing deformation of seat squab to prevent sliding of seat occupant
DE102004019221A1 (en) * 2004-04-21 2005-11-10 Keiper Gmbh & Co.Kg Seat for especially motor vehicle comprises has transverse element which in event of crash moves to support position lying in direct spatial proximity to initial position

Non-Patent Citations (3)

* Cited by examiner, † Cited by third party
Title
automatisch übersetzter Beschreibungsteil der JP 2000103273 A sowie Fig. 1 und 2 *
PAJ & JP 2000103273 A *
PAJ-JP 2000103273 A und automatisch übersetzter Beschreibungsteil der JP 2000103273 A sowie Fig. 1 und 2

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE102018203461A1 (en) * 2018-03-07 2019-09-12 Bayerische Motoren Werke Aktiengesellschaft vehicle seat

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Representative=s name: GRAMM, LINS & PARTNER PATENT- UND RECHTSANWAEL, DE

R119 Application deemed withdrawn, or ip right lapsed, due to non-payment of renewal fee