Classifications

• • B—PERFORMING OPERATIONS; TRANSPORTING
  • B60—VEHICLES IN GENERAL
  • B60R—VEHICLES, VEHICLE FITTINGS, OR VEHICLE PARTS, NOT OTHERWISE PROVIDED FOR
  • B60R22/00—Safety belts or body harnesses in vehicles
  • B60R22/02—Semi-passive restraint systems, e.g. systems applied or removed automatically but not both ; Manual restraint systems
  • B60R22/03—Means for presenting the belt or part thereof to the wearer, e.g. foot-operated
• • B—PERFORMING OPERATIONS; TRANSPORTING
  • B60—VEHICLES IN GENERAL
  • B60R—VEHICLES, VEHICLE FITTINGS, OR VEHICLE PARTS, NOT OTHERWISE PROVIDED FOR
  • B60R22/00—Safety belts or body harnesses in vehicles
  • B60R22/18—Anchoring devices
  • B60R22/24—Anchoring devices secured to the side, door, or roof of the vehicle
• • B—PERFORMING OPERATIONS; TRANSPORTING
  • B60—VEHICLES IN GENERAL
  • B60R—VEHICLES, VEHICLE FITTINGS, OR VEHICLE PARTS, NOT OTHERWISE PROVIDED FOR
  • B60R22/00—Safety belts or body harnesses in vehicles
  • B60R22/34—Belt retractors, e.g. reels

Definitions

• the invention relates to a Gurtbringer device for motor vehicles with a driven by a drive and at its free end serving to receive a strap eyelet carrying Gurtbringerarm, said at its opposite end of the eyelet vehicle-mounted Garr Gurtbringerarm in its length telescopically against the action of a Gurtbringerarm is adjustable in its inserted position biasing spring and the eyelet is pivotable in at least one plane relative to the longitudinal axis of the Gurtbringerarms.
• the known Gurtbringer consists of a pivotable on the roof frame and simultaneously slidably arranged Mit psychologyarm, which consists of a sliding tube and an extendable against spring force and at its free end the eyelet for holding the Gurtabitess supporting arm section.
• the eyelet is attached to the arm portion by means of a ball joint so that the eyelet can take any position to the longitudinal axis of the Mit psychologyarms.
• Inside the Mitauerarms is a consisting of a rack and a pawl locking device arranged.
• the driver arm is moved along the roof frame of the vehicle, wherein the webbing passing through the eyelet fixes the end of the driver arm and thereby pulls the arm portion out of the slide tube upon displacement of the driver arm.
• the resulting increasing pivoting of Mit supportivearms ultimately leads to an actuation of the locking device, so that the extended from the sliding tube arm portion is locked in its respective extended position.
• the known Gurtbringer device requires a displacement or relative movement of the Gurtbringerarms or the Mit supportivearms against the content Erten Gurtband and is therefore limited in their applications; For example, it is thus not possible to realize a seat belt buckle to be fastened to a vehicle seat.
• the invention is therefore based on the object to extend a Gurtbringer- device with the generic features in their use or installation options in the vehicle.
• the invention provides in its basic idea that the extendable portion of the Gurtbringerarms formed as a plurality of individual members and the eye-bearing end member formed link chain portion and at least one individual member and / or the end member of the link chain section relative to the longitudinal axis of the Gurtbringerarms pivotally mounted on the adjacent individual member is arranged and that on its pivot side along the link chain portion extending and fastened with its end to the end member Rope portion of a belt loader mounted on the spring-loaded cable storage is extendable, the length of the cable section is dimensioned shorter than the extension path of the link chain section of the Gurtbringerarm.
• the invention has the advantage that the function of the Gurtbringers is realized in a single, stationary in the vehicle to be mounted component, wherein nevertheless during extension of the link chain section pivoting or bending the eyelet by carrying the strap-carrying members of the link chain section in the Level is ensured on the vehicle occupants.
• the length of the likewise extendable cable section is exhausted when the link chain section is extended from the belt carrier arm, the length of the cable section which is shorter than the extension path of the link chain section causes the link chain arm to buckle inwardly on the vehicle occupant in the structurally designed pivot plane and thereby prevent belt conveyance. Function fulfilled.
• Gurtbringerarm When pulling the link chain section in its initial position in Gurtbringerarm provides the cable section opposite arranged tension spring for alignment of the links of the link chain section in the longitudinal axis of Gurtbringerarms, so that the slot is guaranteed.
• the individual links of the link chain section are arranged pivotably against each other in a pivoting plane and in the same pivoting direction;
• a sufficient bending angle and thus a deflection of the eyelet carried by the belt-feeding device to the occupant can be achieved.
• the end member and the individual members are plate-shaped with a round head protruding at a joint edge to the adjacent member and with a recess surrounding the round head of the adjacent member at the other abutment edge are formed, wherein the members each have at their abutting edges in the pivoting direction open cutout for adjusting their mobility.
• the cable storage has a spring which retracts the cable section into the cable storage.
• the cable section is guided by eyelets arranged on the individual elements which it has swept over.
• a retrieval of the link chain portion causing scroll spring is arranged at the opposite end of the eyelet inner end of the link chain portion. It can be provided that the link chain section, including the cable section running thereon and the tension spring, is enclosed by a bellows.
• the link chain portion of the Gurtbringerarm by means of a motor-driven rack is retractable and retractable in this.
• the rack is designed as a flexible, laterally guided on the link chain section toothed belt.
• the drive for the rack is a with a meshing with the rack pinion electric motor.
• the overtravel is set up by the arrangement of a slip clutch between the output shaft of the electric motor and the pinion, wherein the slip clutch may be formed as a spring.
• the overtravel is predetermined by the provision of a freewheel between the output shaft of the electric motor and the pinion, for example, by the output shaft of the electric motor has a recess in which a seated on the pinion cam is movable over a certain angle of rotation before it comes to a mutual application of output shaft and pinion.
• a correspondingly acting spring can be switched on in the drive for the rack, which according to an embodiment of the invention can be designed as a torsion spring.
• the drive is a pneumatic drive with a connected to a sufficient rigidity exhibiting traction means, guided in a pressurizable cylinder tube piston, wherein the traction means is connected to the link chain section, wherein in a specific embodiment, the traction means a strip steel can be.
• the traction means between the cylinder tube and the link chain section is guided over at least one deflection.
• the guided into the cylinder tube traction means is guided via a deflector formed on the piston and fixed on the implementation of the cylinder tube opposite the piston side fixed to the cylinder tube;
• This has the advantage that a translation of the drive path of the piston results in a factor of 2, so that the Gurtbringerarm is extended by 2 times the distance in relation to the piston stroke.
• the drive, cable storage and the link chain section are arranged in its retracted state in a common housing.
• the housing is an integral part of a belt retractor housing mounted in the motor vehicle. This is the advantage of a particularly compact design and housing connected in a motor vehicle.
• the Gurtbringerarm can be designed as a holder for a buckle or carry the holder for the provided in the shoulder region of the vehicle occupant on the vehicle belt guide.
• Fig. 1 is a Gurtbringer device in a schematic
• FIG. 5 shows the drive according to FIG. 4 in a single representation
• FIG. 6 shows the drive arrangement for the Gurtbringer device in another embodiment
• FIG. 7 shows the drive arrangement according to FIG. 6 in a modified embodiment
• FIG. 8 shows the drive arrangement according to FIG. 6 or 7 in an integration with a belt retractor housing in a side view
• FIG. 9 shows the subject matter of FIG. 8 in longitudinal section
• FIG. 10 shows an alternative embodiment of the Gurtbringer device with a hydraulic drive in a sectional side view with retracted Gurtbringer
• Gurtbringerarm contains in its interior a longitudinally movable under the action of an electric motor 12 arranged rack 1 1, which carries a link chain section 13, which is shown in the drawing in its initial position.
• the link chain section 13 consists in the illustrated embodiment, three individual members 14 and an upper end member 15, on which an eyelet 16 is formed for passing a webbing.
• the positive connection of the end member 15 with the adjoining single member 14 and the other individual members 14 with each other is realized in that the individual members 14 at its one abutment edge have a round head 17 formed in an associated, on the other individual member 14 and the end member 15 Recess 18 positively engages such that the end member 15 as well as the individual members 14 each to the round head 17 in a pivoting plane and in a pivoting direction (arrow 27) are movable.
• a free pivot 19 is provided in each case at an associated abutment edge of a single member 14 or of the end member 15 in the pivoting direction (arrow 27), so that an abutment edge 20 running obliquely to the longitudinal axis of the link chain section 13 on the one individual member 14 or end member 15 is formed, which abuts against each other against a formed on the adjacent individual member 14 straight stop edge 21 at a pivoting of the members.
• a cable section 22 is disposed in the pivoting plane 22 extending from a arranged on Gurtbringerarm 10 cable storage 23 over the length of the link chain section 13 to the end member 15 and is attached to the end member 15 ,
• the cable section 22 is against the action of a arranged on the cable storage 23, not shown spring from the cable storage 23 extendable, the length of the extendable cable section 22 is shorter than the maximum Ausschubweg of the link chain section 13 by means of the extension of the rack 1 1.
• the Cable section 23 guided by arranged on the individual members 14 and the end member 15 eyelets 24.
• a tension spring 25 is disposed between the end member 15 and the Gurtbringerarm 10, wherein the entire Gurtbringer device with link chain section 13, cable section 22 and tension spring 25 is enclosed by a stretchable bellows 26. If the rack 1 1 extended from the Gurtbringerarm 10 by actuation of the electric motor 12, the link chain section 13 carried by the rack 1 1 is first pushed out in a straight line and thereby biases the tension spring 25.
• the cable section 22 holds the end link 15 of the link chain section 13, which leads to buckling of the link chain section 13 in the pivoting direction (arrow 27) if the ejection of the link chain section 13 is continued by an amount , so that in addition to the ejection of the eyelet 16 at the same time a change in position of the eyelet towards the vehicle occupant is given.
• the electric motor 12 moves the toothed rack 1 1 back into the belt-carrier arm 10, the tension spring 25 for mounting and aligning the individual links 14 or the end link 15 in the longitudinal axis of the link chain section 13 or of the Gurtbringerarms 10 ensures, so that the link chain section 13 assumes its initial position again.
• the cable section 22 is retracted under spring tension again the cable storage 23.
• an arrangement of several compression springs 30 is made on the leading edge designed as a Bowden cable side of the link chain section 13, wherein each between the individual members 14, 15 of the link chain section 13 a Compression spring 30 is arranged.
• a fixed housing stop 31 is arranged, up to which of the means of a non-illustrated drive movable slide 32 of the Bowden cable can be pushed forward, so that the extension length of the Bowden cable is limited.
• a flexible toothed belt 33 which meshes with a pinion 34, is provided as a drive for pushing out the link chain section 13 from the housing 35, which pinion 34 in turn is driven by an electric motor 36, as shown in FIG.
• the output shaft 37 of the electric motor 36 is coupled to the pinion 34, which in turn drives the flexible toothed belt 33.
• FIG. 6 shows an embodiment of the invention in which the housing 35 for accommodating the link chain section 13 is integrated in a belt retractor housing 41 in which a belt shaft arrangement 42 is located.
• the located in the housing 41 and meshing with the flexible toothed belt 33 pinion 34 carries a cam 38 which is movable in a recess 39 of the output shaft 37 of the electric motor, so that a relative rotation of the pinion 34 relative to the drive shaft 37 of the electric motor possible.
• a movement of the Gurtbringerarms 10 and the link chain section 13 during normal use of the seat belt with a slight extract of the link chain section 13 from the housing 35 is possible without the connected to the pinion 34 drive blocks such movement.
• such decoupling is realized via a designed as a torsion spring 43 slip clutch, wherein the spring 43 is struck with its one end on the pinion 34 and its other end to the output shaft 37 of the electric motor.
• the torsion spring 43 provides for Return of Gurtbringerarms 10 after its ejection from the housing 35 in its rest position.
• the electric motor 36 is arranged in the common housing 35 and 41 of the belt retractor and belt feeder with a motor pinion 44 driven by its output shaft, wherein the motor pinion 44 meshes with the drive pinion 34 for the flexible toothed belt 33.
• the belt shaft assembly 42 is further integrated, wherein in Figure 8, the locking teeth 45 formed in the housing 41 can be seen.
• Such a belt shaft arrangement with locking device in a belt retractor housing 41 is a measure known to the average person skilled in the art.
• the drive is designed here as a pneumatic drive.
• a cylinder tube 46 is arranged in the Gurtaufroller ⁇ housing 41, in which a piston 47 is movable.
• the piston 47 is connected in a manner to be described to a designed as a band steel traction means 48, wherein the traction means 48 is guided over a deflection 50 and then connected to a fixed to the inner end of the link chain portion 13 slide member 54.
• the traction means 48 is guided through a passage 51 in the cylinder tube 46, guided via a piston 47 formed on the deflection 42 and on the implementation 51 in the cylinder tube 46 opposite piston side stationary on the cylinder tube 46 attached.
• the function of the pneumatic drive can be seen from a comparison of Figures 10 and 1 1, wherein the piston feed of FIG 10, the guided over the deflection 50 traction means expels the link chain section 13 against the action of a arranged in the housing 35 tension spring 49.
• the extent tensioned in the position shown in Figure 1 1 tension spring 49 also ensures a return of the link chain section 13 in the housing 35, so that when a pressure relief of the cylinder tube 46 results in a reversible drive system.

Applications Claiming Priority (2)

Publications (1)

Family

ID=34979408

Family Applications (1)

Country Status (2)

Cited By (5)

Families Citing this family (7)

Citations (3)

• 2004
  • 2004-07-26 DE DE200410036189 patent/DE102004036189B4/de not_active Expired - Fee Related
• 2005
  • 2005-07-14 WO PCT/EP2005/007643 patent/WO2006010484A1/de active Application Filing

Patent Citations (3)

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