WO2022043109A1 - Dispositif électrique de verrouillage et de déverrouillage d'un rail de siège - Google Patents

Dispositif électrique de verrouillage et de déverrouillage d'un rail de siège Download PDF

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Publication number
WO2022043109A1
WO2022043109A1 PCT/EP2021/072686 EP2021072686W WO2022043109A1 WO 2022043109 A1 WO2022043109 A1 WO 2022043109A1 EP 2021072686 W EP2021072686 W EP 2021072686W WO 2022043109 A1 WO2022043109 A1 WO 2022043109A1
Authority
WO
WIPO (PCT)
Prior art keywords
unlocking
locking
rail
actuator
drive
Prior art date
Application number
PCT/EP2021/072686
Other languages
German (de)
English (en)
Inventor
Tomas Barkow
Original Assignee
Sitech Sitztechnik Gmbh
Sitech Sp. Z O.O.
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 Sitech Sitztechnik Gmbh, Sitech Sp. Z O.O. filed Critical Sitech Sitztechnik Gmbh
Priority to EP21763309.8A priority Critical patent/EP4204256A1/fr
Publication of WO2022043109A1 publication Critical patent/WO2022043109A1/fr

Links

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
    • B60N2/02—Seats specially adapted for vehicles; Arrangement or mounting of seats in vehicles the seat or part thereof being movable, e.g. adjustable
    • B60N2/04—Seats specially adapted for vehicles; Arrangement or mounting of seats in vehicles the seat or part thereof being movable, e.g. adjustable the whole seat being movable
    • B60N2/06—Seats specially adapted for vehicles; Arrangement or mounting of seats in vehicles the seat or part thereof being movable, e.g. adjustable the whole seat being movable slidable
    • B60N2/08—Seats specially adapted for vehicles; Arrangement or mounting of seats in vehicles the seat or part thereof being movable, e.g. adjustable the whole seat being movable slidable characterised by the locking device
    • B60N2/0831—Movement of the latch
    • B60N2/0862—Movement of the latch sliding
    • B60N2/0875—Movement of the latch sliding in a vertical direction
    • 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
    • B60N2/04—Seats specially adapted for vehicles; Arrangement or mounting of seats in vehicles the seat or part thereof being movable, e.g. adjustable the whole seat being movable
    • B60N2/06—Seats specially adapted for vehicles; Arrangement or mounting of seats in vehicles the seat or part thereof being movable, e.g. adjustable the whole seat being movable slidable
    • B60N2/067—Seats specially adapted for vehicles; Arrangement or mounting of seats in vehicles the seat or part thereof being movable, e.g. adjustable the whole seat being movable slidable by linear actuators, e.g. linear screw mechanisms
    • 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
    • B60N2/04—Seats specially adapted for vehicles; Arrangement or mounting of seats in vehicles the seat or part thereof being movable, e.g. adjustable the whole seat being movable
    • B60N2/06—Seats specially adapted for vehicles; Arrangement or mounting of seats in vehicles the seat or part thereof being movable, e.g. adjustable the whole seat being movable slidable
    • B60N2/08—Seats specially adapted for vehicles; Arrangement or mounting of seats in vehicles the seat or part thereof being movable, e.g. adjustable the whole seat being movable slidable characterised by the locking device
    • B60N2/0812—Location of the latch
    • B60N2/0818—Location of the latch inside the rail

Definitions

  • the invention relates to a locking and unlocking device for a rail of a rail system of a vehicle seat, which can be adjusted by means of an electric seat rail drive by actuating an actuating element assigned to the vehicle seat.
  • rail guide systems for guiding vehicle seats with short and long rails are known. From a certain length, longer rails can no longer be driven with a spindle, since the spindle rod used in this case breaks off from a certain length in a crash scenario that has to be taken into account, with a corresponding force being applied to the spindle rod.
  • the drive in particular the motorized drive of long rails, therefore takes place, for example, via a gear/rack arrangement or frictionally with a drive wheel on a surface provided for this purpose.
  • the disadvantage of these drive solutions is that no crash forces are transmitted in the direction of travel that coincides with the course of the rails of the rail guidance system, so that it is necessary to design a crash-safe locking mechanism that unlocks before the rails of the rail guidance system are adjusted and securely locks again after the adjustment will. Since a crash can also occur during an adjustment process, locking or relocking must be able to take place particularly quickly.
  • the object of the invention thus relates to a locking and unlocking device for a rail of a rail system of a vehicle seat.
  • the object of the invention is to create a locking and unlocking device for a rail system of a vehicle seat, which ensures quick and safe locking and unlocking of the vehicle seat.
  • the starting point for the insertion is a locking and unlocking device for a rail of a rail system of a vehicle seat, which can be adjusted by means of an electric seat rail drive by actuating an actuating element assigned to the vehicle seat.
  • the locking and unlocking device of the rail comprises an electrical unlocking drive which, by actuating the actuating element before the vehicle seat is electrically adjusted, causes the rail to be unlocked.
  • the invention thus relates to a vehicle seat having a locking and unlocking device according to the invention for a rail of a rail system of the vehicle seat, which can be adjusted by means of the electric seat rail drive by actuating an actuating element assigned to the vehicle seat, it being provided according to the invention that the locking and unlocking device the rail comprises the electric unlocking drive, which causes the rail to be unlocked by actuating the actuating element before the electric adjustment of the vehicle seat, the vehicle seat being set up to adjust the lengthwise seat stepwise by electric activation by means of a control unit in which a computer-readable program algorithm is stored of the unlocking drive and the seat rail drive.
  • Preferred configurations consist in the locking and unlocking device comprising a locking element on the seat rail side and an unlocking element which are mechanically connected to one another, the unlocking element being brought from a first position to a second position by an actuator of the unlocking drive when the actuating element is actuated is, whereby the locking element comes from a locking position with release of an upper rail relative to a lower rail of the seat rail in an unlocking position, wherein the unlocking element for adjusting the vehicle seat on the seat rail is held in the second position.
  • the unlocking element is held in the second position by the actuator for as long as the user desires a longitudinal adjustment of the seat by actuating the actuating element.
  • the locking and unlocking device also comprises an electromagnet as a holding element which, when energized, holds the unlocking element in the second position, which is fed to the holding element by the actuator of the unlocking drive.
  • the unlocking element is held in the second position by the electromagnet for as long as the user desires a longitudinal adjustment of the seat by actuating the actuating element.
  • the actuator of the unlocking drive is a member rotating about an axis, which pivots from an initial position to a first position in which the actuator comes into contact with the unlocking element, and then from the first position to a second position occurs in which the actuator holds the unlocking element in the second position (first embodiment) or transfers it to the electromagnet as a holding element in the second position and holds it in the second position (second embodiment), the actuator being designed in such a way that it can swing past the unlocking element as soon as it leaves the second position.
  • the unlocking drive with its actuator and the seat rail drive as well as the locking element on the seat rail side and the unlocking element are arranged on the upper rail of the seat rail.
  • a first embodiment is shown in Figures 1A to 1C.
  • FIG. 1A shows a section through a locking and unlocking device according to the first embodiment in a locking position
  • FIG. 1B shows the section through the locking and unlocking device according to the first embodiment in an unlocked position
  • FIG. 1C shows the section through the locking and unlocking device according to the first embodiment in the restored locked position.
  • a second embodiment is shown in Figures 2A to 2C.
  • FIG. 2A shows a section through a locking and unlocking device according to the second embodiment in a locking position
  • FIG. 2B shows the section through the locking and unlocking device according to the second embodiment in an unlocking position
  • FIG. 2C shows the section through the locking and unlocking device according to the second embodiment in the restored locked position.
  • a third embodiment is shown in Figures 3A and 3B.
  • FIG. 3A shows a section through a locking and unlocking device according to the third embodiment in an unlocking position
  • FIG. 3B shows the section through the locking and unlocking device according to the second embodiment in a locking position
  • FIG. 1A shows a section through a locking and unlocking device according to a first embodiment.
  • a vehicle seat is connected to an upper rail 20 which is movably arranged with respect to a lower rail 10 fixed to the body.
  • the upper rail 20 is locked in relation to the lower rail 10 by means of at least one locking element 30 .
  • the top rail 20 includes a bearing or panel part 21 with an opening through which the at least one locking element 30 is guided to the top rail 20 and bottom rail 10 .
  • the at least one locking element 30 is movably mounted in the bearing or panel part 21 transversely to the longitudinal extension of the seat rail in the horizontal installed state of the seat rail in the vertical direction.
  • the at least one locking element 30 is connected to an unlocking element 40, in particular an unlocking lever.
  • the unlocking element 40 is arranged between a first position 40.1 and a second position 40.2, in which the locking element 30 locks the upper rail 20 in relation to the lower rail 10.
  • the first position 40.1 of the unlocking element 40 is shown in FIG. 1C.
  • the second position 40.2 of the unlocking element 40 is shown in FIG. 1B.
  • the unlocking element 40 is arranged pivotably on a bearing 50 such that a movement of the free end 41 of the unlocking element 40 leads to translational movement with an end 42 of the unlocking element 40 and thus of the locking element 30 connected to the locking element 30 .
  • the bearing 50 is fixedly arranged on the bearing or screen part 21 .
  • the at least one locking element 30 is 1A is always pressed by means of a spring element not shown in detail into the locking position I, so that the direction of movement of the locking element 30 according to the movement arrow P1 (upward) takes place against the force of the spring element.
  • the upper rail 20 can be moved electrically relative to the lower rail 10 by means of an electric drive, which is referred to below as the seat rail drive.
  • the seat rail drive is not shown.
  • the upper rail 20 is actuated in relation to the lower rail 10 by manual actuation of an actuation element which, by its actuation direction, causes an electrical longitudinal adjustment of the vehicle seat in one direction or the other, i.e. in the usual arrangement of the vehicle seat in a motor vehicle mostly forwards or backwards , causes.
  • the locking and unlocking device also includes a further electric drive, which is referred to below as the unlocking drive.
  • the unlocking drive itself is also not shown.
  • FIGS. 1A to 1C show an actuator 60 which is integrated into the unlocking drive and which acts on the free end 41 of the unlocking element 40 .
  • the unlocking drive is actuated with the same actuating element with which the seat rail drive is actuated.
  • the unlocking drive and the seat rail drive are energized one after the other and the locking element 30 is unlocked step by step and the vehicle seat is then longitudinally adjusted by the movement of the upper rail 20 in relation to the lower rail 10, as follows will be explained further.
  • the actuator 60 is already in a first position A, starting from an initial position A' shown in broken lines, in which the actuator 60 is already in mechanical operative connection with the free end 41 of the unlocking element 40, but the actuator 60 begins in this representation just to act on the free end 41 of the unlocking element 40, so that the unlocking element 40 is still arranged with its lower engagement end in the lower rail 10, but in the further course of the movement of the actuator 60 moves out of the lower rail 10, so that the unlocking element 40 finally the Leaves locking position I.
  • the actuator 60 rotates by one, starting from the initial position A'
  • the unlocking element 40 pivots via the bearing 50 with its locking element-side end 42 in the direction of the arrow P1 upwards, as a result of which the unlocking position II of the locking element 30 is set and assumed.
  • Figure 1B shows the section through the locking and unlocking device according to the first embodiment, the unlocking position II of the locking element 30, in which the unlocking element 40 is located with its two ends 41, 42 in its second position 40.2, with the actuator 60 now being in the second layer B is located.
  • a spring element (not shown) is preferably tensioned, which ensures that after the unlocking element 40 has been released, the unlocking element 40 is returned to its first position 40.1 by the tensioned spring element.
  • the longitudinal adjustment of the vehicle seat takes place by means of the seat rail drive until the person interrupts the actuation of the actuating element.
  • the seat rail drive is likewise immediately de-energized when the person interrupts the actuation of the actuating element.
  • the control program of the control unit for adjusting the longitudinal seat of the vehicle seat ensures that the unlocking drive is briefly energized again in a pulse-like manner, so that the actuator 60 leaves its second position B.
  • the actuator 60 releases the second position 40.2 of the unlocking element 40, which, by the adjustment movement of the Unlocking element 40 from the first position to the second position 40.2 tensioned spring element is moved back to the first position 40.1.
  • the first end 41 is correspondingly shifted back into its position shown in FIG. 1A and the locking element 30 returns to its locking position I.
  • FIG. 1C shows the section through the locking and unlocking device according to the first embodiment in the locking position II of the locking element 30 after the locking element 30 according to FIG. 1B has been unlocked.
  • the actuator 60 is in a third position C after the short-term pulse-like energization after the person has interrupted the actuation of the actuating element, which is characterized in that the actuator 60 from the second position B by a predetermined adjustment angle has further rotated (clockwise) to the third position C, whereby the free end 41 of the release lever 40 has been released.
  • the actuator 60 and/or the unlocking element 40 are designed in such a way that the actuator 60 can run off the end of the unlocking element 40 .
  • the unlocking element 40 pivots via the bearing 50 with its locking element-side end 42 downwards again in the direction of the arrow according to the movement arrow P2, as a result of which the locking position I of the locking element 30 is assumed again.
  • the locking movement of the locking element 30 is supported by the spring element, not shown in detail, which is associated with the at least one locking element 30 .
  • the actuator 60 does not have to be moved further by 180° in the direction of rotation from the third position C, since the actuator 60 is designed to be axially symmetrical with respect to its geometric shape in relation to the axis of rotation, see above that the third position C of the actuator 60 corresponds to the starting position A' according to FIG. 1A.
  • the opposite ends of the actuator 60 alternately act on the unlocking member 40 after rotating through 180° in the successive operations for seat adjustment of the vehicle seat.
  • the procedure described above also advantageously ensures that the seat rail, that is to say the upper rail 20 relative to the lower rail 10, is locked in the event of a crash.
  • the person's manual actuation of the actuation element for longitudinally adjusting the vehicle seat is interrupted because of the crash, since the respective person will let go of the actuation element in the event of a crash.
  • the power supply of the seat rail drive is interrupted and only the unlocking drive is briefly energized again via the control program of the control unit, not shown in detail, whereby the actuator 60 leaves the second position B and preferably into the third position C, which corresponds to the initial position A', thereby ensuring that the locking position I of the at least one locking element 30 is resumed since the unlocking element 40 returns to the first position 40.1 shown in Figure 1C.
  • the second embodiment differs from the first embodiment in particular in that the locking and unlocking device also has a holding element in the form of an electromagnet 70, which changes the procedure or mode of operation of the locking and unlocking device, as can be seen by comparing the following description with that of Description of the first embodiment becomes clear.
  • FIG. 2A shows a section through a locking and unlocking device according to a second embodiment.
  • the vehicle seat which is not shown in detail, is connected to the upper rail 20, which is arranged such that it can move with respect to the lower rail 10 fixed to the body.
  • the upper rail 20 is locked in relation to the lower rail 10 by means of the at least one locking element 30 .
  • the top rail 20 includes the bearing or panel part 21 with the opening through which the at least one locking element 30 is guided to the top rail 20 and bottom rail 10 .
  • the at least one locking element 30 is movably mounted in the bearing or panel part 21 transversely to the longitudinal extension of the seat rail in the horizontal installed state of the seat rail in the vertical direction.
  • the at least one locking element 30 is connected to the unlocking element 40, in particular an unlocking lever.
  • the unlocking element 40 is arranged in FIG. 2A in a first position in which the locking element 30 locks the upper rail 20 in relation to the lower rail 10 .
  • the unlocking element 40 is arranged pivotably on the bearing 50 such that a movement of the free end 41 of the unlocking element 40 leads to the translational movement of the end 42 of the unlocking element 40 connected to the locking element 30 and thus of the locking element 30 .
  • the bearing 50 is fixed to the bearing or screen part 21 .
  • the upper rail 20 can be moved electrically relative to the lower rail 10 by means of the electric drive, which is referred to below as the seat rail drive.
  • the seat rail drive is not shown.
  • the upper rail 20 is actuated in relation to the lower rail 10 by manual actuation of the actuating element, which, due to its actuating direction, causes an electrical longitudinal adjustment of the vehicle seat in one direction or the other, i.e. in the usual arrangement of the vehicle seat in a motor vehicle mostly forwards or backwards , causes.
  • the locking and unlocking device also includes the additional electric drive, which is referred to below as the unlocking drive.
  • the unlocking drive itself is also not shown.
  • the actuator 60 which is integrated into the unlocking drive and which acts on the free end 41 of the unlocking element 40 is shown in FIGS. 2A to 2C.
  • the unlocking drive is actuated with the same actuating element with which the seat rail drive is actuated. In other words, by actuating the actuating element, the unlocking drive and the seat rail drive are energized one after the other and the locking element 30 is unlocked and the vehicle seat is longitudinally adjusted by the movement of the upper rail 20 relative to the lower rail 10, as will be explained further below .
  • FIGS. 1A to 1C A comparison of FIGS. 1A to 1C with FIGS. 2A to 2C makes it clear that in the second embodiment, a holding magnet that can be energized is additionally arranged on the bearing and screen element 21, which is only shown symbolically.
  • the holding magnet is therefore an electromagnet whose electromagnetic holding force (attractive force) is only effective when energized.
  • actuator 60 is in its home position A'.
  • the unlocking element 40 In the first position A according to FIG. 2B, in which the actuator 60 is mechanically operatively connected to the free end 41 of the unlocking element 40, the unlocking element 40 begins to move out of the lower rail 10 with its lower engagement end in order to produce the unlocking position II of the seat rail.
  • the actuator 60 rotates starting from the starting position A' about its axis of rotation by a predeterminable angle into the first position A, contacts the unlocking element 40 and takes the free end 41 of the unlocking element 40 with it, with the actuator 60 subsequently moving further into the second position B (see FIG. 2C) is shifted, in which the unlocking element 40 is attracted and held by the electromagnet 70 with its first end 41.
  • the electromagnet 70 and the unlocking drive are energized via the controller essentially at the same time.
  • the actuator 60 thus pivots, starting from the starting position A' (Figure 2A), by 180 degrees into the third position C ( Figure 2C) and in the process transfers the first end 41 of the unlocking element 40 to the energized electromagnet 70.
  • the actuator 60 and/or the unlocking element 40 are designed in such a way that the actuator 60 can run off at the end of the unlocking element 40—over the second layer B—(compare FIG. 2C).
  • the control program of the control unit (not shown) for adjusting the seat longitudinally of the vehicle seat ensures that the unlocking drive is in the de-energized state.
  • the unlocking element 40 is held independently of the actuator 60 by the electromagnet 70 according to FIG. 2C in the second position, in which the unlocking position II of the locking element 30 is brought about.
  • the unlocking element 40 is pivoted with its locking element-side end 42 in the direction of the arrow according to the movement arrow P1 upwards (compare Figures 2B and 2C), whereby the unlocking position II of the locking element 30 is reached.
  • 2B shows the section through the locking and unlocking device according to the second embodiment, still in the locking position I of the locking element 30, in which the unlocking element 40 is not yet in its second position with its two ends 41, 42, since the actuator 60 is still in the first position A.
  • the spring element (not shown) is preferably tensioned, which ensures that after the release of the unlocking element 40 according to the second embodiment, the release from the electromagnet 70, the unlocking element 40 is returned to its first position 40.1 by the tensioned spring element .
  • the longitudinal adjustment of the vehicle seat takes place by means of the seat rail drive until the person interrupts the actuation of the actuating element.
  • the control side ensures that the seat rail drive and the electromagnet 70 are immediately de-energized.
  • the first end 41 is correspondingly shifted back into its position shown in FIG. 2A and the locking element 30 returns to its original secure locking position I.
  • FIG. 2C shows the section through the locking and unlocking device according to the second embodiment in the unlocking position I of the locking element 30 after the locking element 30 has been unlocked in accordance with the preceding description.
  • the actuator 60 is already in a third position C after energizing the unlocking drive to unlock the seat rail, which is characterized in that the actuator 60 from the starting position A '( Figure 2A) by 180 ° moved further to the third position C.
  • the actuator 60 is axially symmetrical with respect to its geometric shape in relation to the axis of rotation, so that the third position C of the actuator 60 also corresponds to the starting position A' according to FIG. 1A in this second embodiment.
  • the opposite ends of the actuator 60 alternately act on the unlocking member 40 after rotating through 180° in the successive operations for seat longitudinal adjustment of the vehicle seat.
  • the unlocking element 40 is only released when the electromagnet 70 is no longer energized.
  • the unlocking element 40 pivots from the second position (FIG. 2C) back into the first position 40.1 (FIG. 2A) with the aid of a spring.
  • the unlocking element 40 pivots downward via the bearing 50 with its locking element-side end 42, as a result of which the locking position I of the locking element 30 according to FIG. 2A is assumed again.
  • the locking movement of the locking element 30 is supported by the spring element, not shown in detail, which is associated with the at least one locking element 30 .
  • the procedure described above also advantageously ensures that the seat rail, ie the upper rail 20 relative to the lower rail 10, is locked in the event of a crash.
  • the manual actuation of the actuation element for the longitudinal adjustment of the vehicle seat is interrupted, since the respective person will let go of the actuation element in the event of a crash.
  • the power supply to the seat rail drive of the longitudinal seat adjustment and the power supply to the electromagnet 70 are abruptly interrupted at the same time, whereby the longitudinal seat adjustment is interrupted and the locking position I ( Figure 2A) of the at least one locking element 30 is resumed, since the unlocking element 40 lying in the second position, is no longer held by the de-energized electromagnet 70 and is thus released, after which the unlocking element 40 returns to its first position 40.1 (compare FIG. 2A) and thus the locking element 30, which is mechanically operatively connected, also returns to its locking position I is relocated back.
  • the third embodiment differs from the first embodiment in particular in that the locking and unlocking device does not, as previously explained, act on the locking element 30 starting from the actuator 60 indirectly via the unlocking element 40, but rather that the actuator 60 acts directly on the locking element 30 ie without an interposed unlocking element 40) unlocking the seat rail 10, 20 causes.
  • the locking and unlocking device comprises at least one locking element 30 on the seat rail side, which is brought directly from the locking position I of the locking element 30 into the unlocking position II of the locking element 30 by the actuator 60 of the unlocking drive when the actuating element is actuated. whereby the locking element 30 releases the upper rail 20 in relation to the lower rail 10 in the unlocked position II.
  • the locking element 30 for adjusting the vehicle seat via the seat rail 10, 20 is held in the unlocked position II by the actuator 60.
  • FIGS. 3A and 3B This idea according to the invention is shown in FIGS. 3A and 3B, with FIG. 3A showing unlocking position II and FIG. 3B showing locking position I. Analogous to the previous figures, the bottom rail 10 and the top rail 20 are shown, which are in the unlocked state in FIG.
  • This unlocking position II is brought about by the actuator being brought from the initial position A' about the axis of rotation of the actuator 60 into the second position B of the actuator 60, that is to say rotated.
  • the end of the actuator 60 causes the locking element 30 to move within the upper rail 20 relative to the upper and lower rails, so that the locking element 30 disengages from the upper rail 20 .
  • the adjustment movement for unlocking the locking element 30 is therefore not in the vertical upward direction as before, but in this embodiment the unlocking movement takes place in the vertical downward direction according to the movement arrow P3.
  • FIG. 3B shows the actuator 60 in the third position C, which has run off the locking element 30 in order to produce the unlocked position I.
  • FIG 3B makes it clear that the spring element 31 shown in Figure 3A has been tensioned accordingly during the unlocking movement, when the locking element 30 assumes locking position I, its spring force ensures that the locking element returns to the locked starting position after the actuator 60 has expired accordingly from the locking element 30.
  • the actuator 60 and the locking element 30 are matched to one another in such a way that the actuator 60 can run off the locking element 30 .
  • a pivoting movement of the actuator 60 by 180° around the axis of rotation is therefore necessary for actuation.
  • a further aspect of the invention is explained below, which consists in the fact that the actuator 60 rotates further in the clockwise direction from the respective position at the moment when the respective person releases the actuating element in normal operation and in the event of a crash and that Locking element 30 abruptly releases acting on the locking element 30 in an indirect manner via the unlocking element 40 or in a direct manner.
  • the locking element 30 is reset from the unlocking position II to the locking position I by the control unit and the control unit stored application program is ensured in the normal actuation case that the actuator 60 does not move further in the clockwise direction, but is brought back to the starting position A '.
  • the actuator is caused to assume position B by releasing the seat track. Compare Figures 1B, 2C and 3A. If the actuation action is normally interrupted by releasing the actuation element, the actuator 60 is rotated in the opposite direction of movement, so that the locking element 30 previously adjusted in the unlocking direction B1, B2 slowly returns to its locking position I.
  • control unit is connected to at least one crash sensor on the vehicle seat and/or at least one crash sensor on the vehicle, so that the corresponding crash sensor is ultimately structurally related to the locking and unlocking unit or structurally related to the locking and unlocking unit belongs if it fulfills other functions outside of the locking and unlocking device.
  • control unit ultimately decides whether the actuator, as explained above, ensures a somewhat slower locking of the locking element 30 for a normal actuation case or ensures a particularly fast locking of the locking element 30 in the event of a crash as soon as a crash sensor signals a crash Has.
  • the invention thus ensures the possibility of bringing about different adjustment speeds for the locking of locking element 30 by ultimately deciding whether actuator 60, according to the embodiment as a rotary element, based on its direction of rotation when unlocking locking element 30 for locking locking element 30 subsequently - In the normal case, that is, in a normal actuation action - opposite to its previous direction, or then - is further actuated rotating in its previous direction - in the event of a crash.
  • electromagnet first and second embodiment

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  • Engineering & Computer Science (AREA)
  • Aviation & Aerospace Engineering (AREA)
  • Transportation (AREA)
  • Mechanical Engineering (AREA)
  • Seats For Vehicles (AREA)

Abstract

L'invention concerne un dispositif de verrouillage et de déverrouillage pour un rail (10, 20) d'un système de rail d'un siège de véhicule, qui peut être réglé au moyen d'un entraînement électrique de rail de siège par actionnement d'un élément d'actionnement associé au siège de véhicule. Le dispositif de verrouillage et de déverrouillage du rail (10, 20) comprend un entraînement de déverrouillage électrique qui, en actionnant l'élément d'actionnement, déverrouille le rail (10, 20) avant un réglage électrique du siège de véhicule.
PCT/EP2021/072686 2020-08-31 2021-08-16 Dispositif électrique de verrouillage et de déverrouillage d'un rail de siège WO2022043109A1 (fr)

Priority Applications (1)

Application Number Priority Date Filing Date Title
EP21763309.8A EP4204256A1 (fr) 2020-08-31 2021-08-16 Dispositif électrique de verrouillage et de déverrouillage d'un rail de siège

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
DE102020122698.5A DE102020122698A1 (de) 2020-08-31 2020-08-31 Elektrische Ver- und Entriegelungseinrichtung einer Sitzschiene
DE102020122698.5 2020-08-31

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WO2022043109A1 true WO2022043109A1 (fr) 2022-03-03

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PCT/EP2021/072686 WO2022043109A1 (fr) 2020-08-31 2021-08-16 Dispositif électrique de verrouillage et de déverrouillage d'un rail de siège

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DE102007029976B4 (de) 2007-06-28 2016-12-15 Faurecia Autositze Gmbh Notentriegelungseinrichtung für einen Fahrzeugsitz
DE102017117534A1 (de) 2017-08-02 2019-02-07 Brose Fahrzeugteile Gmbh & Co. Kg, Coburg Sitzschienenmodul für einen Fahrzeugsitz zur Fahrzeugsitzverzögerung im Crashfall
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DE102018110683A1 (de) 2017-12-21 2019-06-27 Adient Engineering and IP GmbH Crashsperreneinheit, insbesondere für einen fahrzeugsitz, sowie fahrzeugsitz

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Publication number Priority date Publication date Assignee Title
DE3613832A1 (de) 1986-04-24 1987-10-29 Ernst Hans Hellmut Lineares schienenfuehrungssystem mit beschleunigungssensitiver blockiereinrichtung
DE19815542C1 (de) 1998-04-07 1999-10-14 Faure Bertrand Sitztech Gmbh Neigungsverstellbeschlag für Rückenlehnen von Kraftfahrzeugsitzen
US20040164218A1 (en) * 2003-02-12 2004-08-26 Tachi-S Co., Ltd. Slide device for automotive seat
US20060231719A1 (en) * 2005-01-25 2006-10-19 Tetsuya Kayumi Seat slide apparatus
DE102007029976B4 (de) 2007-06-28 2016-12-15 Faurecia Autositze Gmbh Notentriegelungseinrichtung für einen Fahrzeugsitz
DE102017117534A1 (de) 2017-08-02 2019-02-07 Brose Fahrzeugteile Gmbh & Co. Kg, Coburg Sitzschienenmodul für einen Fahrzeugsitz zur Fahrzeugsitzverzögerung im Crashfall
US20190084453A1 (en) * 2017-09-15 2019-03-21 Faurecia Sièges d'Automobile Rail for vehicle seat and vehicle seat comprising such a rail
DE102018110683A1 (de) 2017-12-21 2019-06-27 Adient Engineering and IP GmbH Crashsperreneinheit, insbesondere für einen fahrzeugsitz, sowie fahrzeugsitz

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