Classifications

• • B—PERFORMING OPERATIONS; TRANSPORTING
  • B60—VEHICLES IN GENERAL
  • B60N—SEATS SPECIALLY ADAPTED FOR VEHICLES; VEHICLE PASSENGER ACCOMMODATION NOT OTHERWISE PROVIDED FOR
  • B60N2/00—Seats specially adapted for vehicles; Arrangement or mounting of seats in vehicles
  • B60N2/005—Arrangement or mounting of seats in vehicles, e.g. dismountable auxiliary seats
  • B60N2/015—Attaching seats directly to vehicle chassis
• • B—PERFORMING OPERATIONS; TRANSPORTING
  • B60—VEHICLES IN GENERAL
  • B60N—SEATS SPECIALLY ADAPTED FOR VEHICLES; VEHICLE PASSENGER ACCOMMODATION NOT OTHERWISE PROVIDED FOR
  • B60N2/00—Seats specially adapted for vehicles; Arrangement or mounting of seats in vehicles
  • B60N2/02—Seats specially adapted for vehicles; Arrangement or mounting of seats in vehicles the seat or part thereof being movable, e.g. adjustable
  • B60N2/22—Seats specially adapted for vehicles; Arrangement or mounting of seats in vehicles the seat or part thereof being movable, e.g. adjustable the back-rest being adjustable
• • B—PERFORMING OPERATIONS; TRANSPORTING
  • B60—VEHICLES IN GENERAL
  • B60N—SEATS SPECIALLY ADAPTED FOR VEHICLES; VEHICLE PASSENGER ACCOMMODATION NOT OTHERWISE PROVIDED FOR
  • B60N2/00—Seats specially adapted for vehicles; Arrangement or mounting of seats in vehicles
  • B60N2/02—Seats specially adapted for vehicles; Arrangement or mounting of seats in vehicles the seat or part thereof being movable, e.g. adjustable
  • B60N2/22—Seats specially adapted for vehicles; Arrangement or mounting of seats in vehicles the seat or part thereof being movable, e.g. adjustable the back-rest being adjustable
  • B60N2/2245—Seats specially adapted for vehicles; Arrangement or mounting of seats in vehicles the seat or part thereof being movable, e.g. adjustable the back-rest being adjustable provided with a lock mechanism on the upper part of the back-rest
• • B—PERFORMING OPERATIONS; TRANSPORTING
  • B60—VEHICLES IN GENERAL
  • B60N—SEATS SPECIALLY ADAPTED FOR VEHICLES; VEHICLE PASSENGER ACCOMMODATION NOT OTHERWISE PROVIDED FOR
  • B60N2/00—Seats specially adapted for vehicles; Arrangement or mounting of seats in vehicles
  • B60N2/24—Seats specially adapted for vehicles; Arrangement or mounting of seats in vehicles for particular purposes or particular vehicles
  • B60N2/32—Seats specially adapted for vehicles; Arrangement or mounting of seats in vehicles for particular purposes or particular vehicles convertible for other use
  • B60N2/36—Seats specially adapted for vehicles; Arrangement or mounting of seats in vehicles for particular purposes or particular vehicles convertible for other use into a loading platform
• • B—PERFORMING OPERATIONS; TRANSPORTING
  • B60—VEHICLES IN GENERAL
  • B60N—SEATS SPECIALLY ADAPTED FOR VEHICLES; VEHICLE PASSENGER ACCOMMODATION NOT OTHERWISE PROVIDED FOR
  • B60N2/00—Seats specially adapted for vehicles; Arrangement or mounting of seats in vehicles
  • B60N2/24—Seats specially adapted for vehicles; Arrangement or mounting of seats in vehicles for particular purposes or particular vehicles
  • B60N2/32—Seats specially adapted for vehicles; Arrangement or mounting of seats in vehicles for particular purposes or particular vehicles convertible for other use
  • B60N2/36—Seats specially adapted for vehicles; Arrangement or mounting of seats in vehicles for particular purposes or particular vehicles convertible for other use into a loading platform
  • B60N2/366—Seats specially adapted for vehicles; Arrangement or mounting of seats in vehicles for particular purposes or particular vehicles convertible for other use into a loading platform characterised by the locking device
• • B—PERFORMING OPERATIONS; TRANSPORTING
  • B60—VEHICLES IN GENERAL
  • B60N—SEATS SPECIALLY ADAPTED FOR VEHICLES; VEHICLE PASSENGER ACCOMMODATION NOT OTHERWISE PROVIDED FOR
  • B60N2/00—Seats specially adapted for vehicles; Arrangement or mounting of seats in vehicles
  • B60N2/24—Seats specially adapted for vehicles; Arrangement or mounting of seats in vehicles for particular purposes or particular vehicles
  • B60N2/30—Non-dismountable or dismountable seats storable in a non-use position, e.g. foldable spare seats
  • B60N2/3002—Non-dismountable or dismountable seats storable in a non-use position, e.g. foldable spare seats back-rest movements
  • B60N2/3004—Non-dismountable or dismountable seats storable in a non-use position, e.g. foldable spare seats back-rest movements by rotation only
  • B60N2/3009—Non-dismountable or dismountable seats storable in a non-use position, e.g. foldable spare seats back-rest movements by rotation only about transversal axis
  • B60N2/3011—Non-dismountable or dismountable seats storable in a non-use position, e.g. foldable spare seats back-rest movements by rotation only about transversal axis the back-rest being hinged on the cushion, e.g. "portefeuille movement"
• • B—PERFORMING OPERATIONS; TRANSPORTING
  • B60—VEHICLES IN GENERAL
  • B60N—SEATS SPECIALLY ADAPTED FOR VEHICLES; VEHICLE PASSENGER ACCOMMODATION NOT OTHERWISE PROVIDED FOR
  • B60N2/00—Seats specially adapted for vehicles; Arrangement or mounting of seats in vehicles
  • B60N2/90—Details or parts not otherwise provided for
  • B60N2/919—Positioning and locking mechanisms
  • B60N2002/952—Positioning and locking mechanisms characterised by details of the locking system
• • B—PERFORMING OPERATIONS; TRANSPORTING
  • B60—VEHICLES IN GENERAL
  • B60N—SEATS SPECIALLY ADAPTED FOR VEHICLES; VEHICLE PASSENGER ACCOMMODATION NOT OTHERWISE PROVIDED FOR
  • B60N2/00—Seats specially adapted for vehicles; Arrangement or mounting of seats in vehicles
  • B60N2/90—Details or parts not otherwise provided for
  • B60N2/919—Positioning and locking mechanisms
  • B60N2002/952—Positioning and locking mechanisms characterised by details of the locking system
  • B60N2002/957—Positioning and locking mechanisms characterised by details of the locking system the locking system prevents an abnormal or wrong mounting situation, i.e. deployment or functioning of a seat part being prevented if the seat or seat part is not properly mounted
  • B60N2002/962—Positioning and locking mechanisms characterised by details of the locking system the locking system prevents an abnormal or wrong mounting situation, i.e. deployment or functioning of a seat part being prevented if the seat or seat part is not properly mounted the locking system disabling tilting of the back-rest to the vertical position, when the seat is not properly installed

Definitions

• the invention relates to a lock for a vehicle seat according to the preamble of claim 1.
• the invention further relates to a vehicle seat,
• a generic vehicle seat and a generic lock are known from DE 10 2008 062 091 A1.
• the generic vehicle seat in this case comprises a back, which from a position of use in a
• Non-use position is pivotable relative to a vehicle structure and lockable by means of a locking device in the position of use.
• the locking device comprises a lock connected to the backrest with a latch axis between a release position and a
• Locking position swiveling pawl on.
• the pawl is doing with a locking pin or a striker
• an ejector is provided, through which the unlocked backrest is pivotable by a certain amount from the position of use in an ejection position. From the ejection position, the backrest can continue by hand in her
• the ejector comprises for this purpose arranged on the backrest in a housing of the lock spring element.
• the spring element is designed as an additional ejector, which is arranged between the housing of the lock and the pawl, and which exerts an opening moment on the pawl. Trained as a tension spring ejector thus acts on the pawl constantly toward the release position.
• the backrest In the use position and also in the ejection position, the backrest is inclined at a certain angle to the vertical, so that it exerts on itself with its own weight a torque in the direction of the position of use. This can lead, for example, in front upwards inclined, standing on the rising road vehicle that after unlocking the
• the object of the invention is to provide a lock for a vehicle seat and a vehicle seat of the type mentioned above, wherein after a
• Embodiments which can be used individually or in combination with one another are the subject matter of subclaims 2 to 12.
• the ejector is configured such that it can be brought into contact with the locking bolt or striker, in particular when the pawl is in the release position, with a prestressed spring element.
• the ejector keeps the locking pin or striker from the latch, so that the pawl no longer automatically in a
• Locking engagement with the locking pin or striker can get. Likewise, there is no constant action on the latch by the
• the housing of the lock may have a slot-like receptacle whose one end is open to the outside and the other end is closed with a bottom, whereby a relatively simple insertion of a
• the locking pin is secured in the receptacle of the housing of the castle.
• the ejector preferably has an ejection slide acted upon by the spring element. This is a direct contact between the
• the spring element is designed as a compression spring and is supported on the housing of the castle.
• the spring element is in particular between the housing and the
• the spring element is designed as a cylindrical coil spring, which also only a small space is needed. Does the ejector slide a cylindrical recess into which the
• Ejector is avoided.
• a tilting or tilting of the ejector is additionally avoided by the ejector engages a stop on two sides.
• the stop is integral with the housing of the castle
• the ejector comprises two arms, with which it engages around the stop.
• an arm is formed longer than the other arm, and on a spring element remote from the end of the longer arm, a contact surface is provided with which the ejector contacts the locking pin or striker.
• the longer arm of the ejector protrudes with the contact surface beyond the floor into the
• the latch of the lock can be moved by means of an unlocking in a release position. If the unlocking device is remotely controllable, the remote control triggering person is not in the
• the lock may for example be designed as a backrest lock and be arranged on a backrest of the vehicle seat, which is relative to a
• Vehicle structure is pivotable and locked in the position of use of this.
• the locking pin or striker is in this case at the
• the lock can also be designed as a bottom lock and be arranged on a seat part of the vehicle seat.
• the vehicle seat can be fastened to the vehicle structure by means of the lock and, for example for removing the seat from the vehicle or for pivoting the seat part relative to the vehicle structure, can be detached from the vehicle structure.
• the locking bolt or striker is attached to the vehicle structure.
• the locking pin or striker is attached to the backrest or to the seat part or to another part of the vehicle seat.
• a backrest lock is provided in particular that the ejector in the position of use of the backrest with the biased Spring element on the vehicle structure or on the locking pin or
• Closing bar is in plant.
• the pawl can no longer automatically enter a locking engagement with the locking bolt or striker after pivoting of the backrest into the ejection position.
• the backrest is then ready to be manually pivoted further into the non-use position.
• the force applied by the spring element for holding the backrest in the ejection position is advantageously so large that it is greater even when the vehicle is tilted sharply, as the counteracting force due to the weight of the backrest.
• the latch by means of an additional latch spring to her
• the pawl has a functional surface, by means of which during insertion of the locking bolt or striker in the slot-like receptacle of the
• Lock the latch is pivoted from its release position into its locking position. In this case acts on the pawl torque in the direction of the locking position. This torque applied by the locking bolt or striker is opposed by the pawl spring in the direction of the release position. This applied by the pawl spring on the pawl torque generates a force which the back of the use position in the
• the pawl spring is advantageously designed as a torsion leg spring, whereby the existing space is optimally used in the housing of the castle.
• FIG. 1 shows a schematic representation of a vehicle seat
• FIG. 2 shows a sectional view of the lock in the locked state
• Figure 3 is a sectional view of the lock of Figure 2 in the unlocked
• FIG. 4 shows a partial view of the lock according to FIG. 2 in the locked state
• FIG. 5 shows a side view of the lock according to FIG. 2 in the locked state
• FIG. 6 shows a section through the lock of Figure 2 in the locked state along the line VI - VI and
• FIG. 7 shows an exploded view of the lock according to FIG. 2.
• the vehicle seat shown in Figure 1 has a seat part 1, at the rear end in the direction of travel 2, a backrest 3 is articulated, from their
• the backrest 3 can be locked by a locking device 4 which comprises a lock 5 arranged at the upper end of the backrest 3 and a locking bolt 7 which is fixedly arranged on a vehicle structure 6 and extends horizontally and transversely to the direction of travel 2.
• a locking device 4 which comprises a lock 5 arranged at the upper end of the backrest 3 and a locking bolt 7 which is fixedly arranged on a vehicle structure 6 and extends horizontally and transversely to the direction of travel 2.
• a generic lock 5 is also referred to as backrest lock and is known for example from DE 10 2007 016 409 B4, on whose
• the lock 5 has a housing 8 which is provided with a cover 36
• the housing 8 has an upright rest approximately horizontally aligned slot-like receptacle 9, whose opposite direction of travel 2 directed end is open to the outside and the
• end is closed with a bottom 10.
• a first bearing pin 32 supports a pawl 12 pivotable about a pawl axis 13. In order to cooperate with the locking pin 7, the pawl 12 has a hook mouth 14. In a release position, the pawl 12 is pivoted so that its hook mouth 14 and the receptacle 9 of the housing 8 are ready for receiving the locking pin 7.
• a first bearing pin 32 arranged in parallel second bearing pin 34 supports a catch element 17 and a clamping element 18 which are pivotable in the plane of the pawl 12 about a catching axis 16. The pawl axis 13 and the catch element axis 16 are parallel to each other.
• the pawl 12 is acted upon by a spring force of a pawl spring 30, whereby a force acting on the pawl 12 in the unlocking direction torque is generated.
• the pawl 12 is thus biased in its unlocking.
• Pawl spring 30 is in the present case designed as a torsion leg spring and arranged around the pawl axis 13 around.
• the catching element 17 and the tensioning element 18 are each prestressed in their closing direction by a first torsion spring 38 and a second torsion spring 40.
• the first torsion spring 38 and a second torsion spring 40 are present as
• the catch element 17 and the tensioning element 18 are coupled with a free travel on entrainment.
• Clamping element 18 by means of a clamping surface curved eccentrically to the second bearing pin 34, the pawl 12 to exert a closing moment on the pawl 12. With the clamping surface acts a functional surface 1 1 of the pawl 12 together, wherein the angle between the clamping surface and the functional surface 1 1 is outside the self-locking range.
• Locking pin 7 moves relative to the backrest 3 in the receptacle 9.
• the locking pin 7 enters the hook mouth 14 of the pawl 12 and on the functional surface 1 1 of the pawl 12 in abutment.
• the pawl 12 is pivoted from the release position into a locking position in which the hook mouth 14 extends transversely to the receptacle 9, whereby a moving out of the locking pin 7 is prevented from the receptacle 9.
• the catch element 17 takes on the clamping element 18, so that the pawl 12 is no longer secured.
• an ejector 25 is provided, which comprises a spring element 21 and a discharge slide 20.
• the ejector slide 20 is guided displaceably in the longitudinal direction of the receptacle 9.
• Spring element 21 is in the present case designed as a compression spring which is supported in the housing 8, and which pushes the ejector slide 20 towards the open end of the receptacle 9 out.
• Locking pin 7 moves into the receptacle 9, so the locking pin 7 comes to the ejector 20 to the plant and moves it against the force of the spring element 21 toward the bottom 10 back. Furthermore, the presses
• the locking bolt 7 is displaced by the force of the spring element 21 from the ejector slide 20 towards the opening of the receptacle 9 until the backrest 3 has reached an ejection position and is securely held there due to the prestressing of the spring element 21.
• FIG. 6 shows a section through the lock 5 in the locked state along the line VI-VI in FIG. The locking bolt is not shown. This means that in the representation shown in FIG. 6 the lock 5 is locked, but there is no locking bolt in the receptacle 9.
• the spring element 21 is clamped between the housing 8 of the lock 5 and the ejector slide 20 and presses the ejector slide 20 in the illustration shown here against a stop 24, which engages the ejector slide 20 on two sides.
• the stop 24 is integrally formed web-shaped with the housing 8 and forms on the side facing away from the spring element 21, the bottom 10th
• the ejector slide 20 comprises two arms with which it engages around the stop 24, wherein one arm, in this case the arm 12 facing the latch, is formed longer than the other, the latch facing away arm.
• the longer arm projects with the contact surface 22 beyond the bottom 10 into the receptacle 9.
• the spring element 21 is configured here as a cylindrical helical spring.
• the ejector slide 20 has on its side facing away from the stop 24 a cylindrical recess into which the spring element 21 is fitted.
• the ejector slide 20 moves as far as possible until the locking pin 7 rests against the stop 24 and thus on the bottom 10. Even in the position of use, the spring element 21 presses the ejector slide 20 with the contact surface 22 against the locking pin 7.

Landscapes

• Engineering & Computer Science (AREA)
• Aviation & Aerospace Engineering (AREA)
• Transportation (AREA)
• Mechanical Engineering (AREA)
• Seats For Vehicles (AREA)
• Chairs For Special Purposes, Such As Reclining Chairs (AREA)

Priority Applications (6)

Applications Claiming Priority (2)

Publications (2)

Family

ID=45476446

Family Applications (1)

Country Status (8)

Cited By (1)

Families Citing this family (19)

Citations (3)

Family Cites Families (25)

• 2010
  • 2010-12-20 DE DE102010055246.1A patent/DE102010055246B4/de active Active
• 2011
  • 2011-12-17 EP EP11807863.3A patent/EP2655126B1/de active Active
  • 2011-12-17 JP JP2013530630A patent/JP5600809B2/ja active Active
  • 2011-12-17 KR KR1020137019239A patent/KR101568649B1/ko active Active
  • 2011-12-17 PL PL11807863T patent/PL2655126T3/pl unknown
  • 2011-12-17 CN CN201180050462.9A patent/CN103167968B/zh active Active
  • 2011-12-17 US US13/995,427 patent/US9073457B2/en active Active
  • 2011-12-17 WO PCT/EP2011/006398 patent/WO2012084172A2/de not_active Ceased

Patent Citations (3)

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