Device for tilting a vehicle seat into an entry / exit position in a motor vehicle
A vehicle seat tilting mechanism using an energy storage device within the vehicle interior addresses the complexity and cost issues of existing systems by utilizing internal energy sources, offering a lightweight and efficient tilting solution.
Patent Information
- Application Number
- PCT/DE2025/100447
- Authority / Receiving Office
- WO · WO
- Patent Type
- Applications
- Current Assignee / Owner
- Priority Date
- 2024-05-21
- Filing Date
- 2025-05-07
- Publication Date
- 2025-11-27
AI Technical Summary
Existing devices for tilting vehicle seats into entry/exit positions are cumbersome, heavy, and costly due to the use of electric motors, necessitating a more simplified and lightweight solution.
An energy storage device within the vehicle interior supplies energy to an adjustment mechanism, utilizing mechanical, pneumatic, or hydraulic energy, eliminating the need for an electric motor and reducing weight and manufacturing costs.
The solution provides a simplified, lightweight, and cost-effective mechanism for tilting vehicle seats into entry/exit positions, allowing easy energy generation and storage by occupants, and eliminating the need for external power sources.
Smart Images

Figure DE2025100447_27112025_PF_FP_ABST
Abstract
Description
[0001] Device for tilting a vehicle seat into an entry / exit position in a motor vehicle
[0002] Field of invention
[0003] The present invention relates to a device for tilting a vehicle seat into an entry / exit position in a motor vehicle with the features of the preamble of claim 1.
[0004] Background of the invention
[0005] It is known in the prior art to provide a device for tilting a vehicle seat into an entry / exit position in a motor vehicle to facilitate entry to or exit from a rear row of seats, for example, the second and / or third row. Simply adjusting the backrest of the vehicle seat may not be sufficient depending on the vehicle's design.
[0006] A known device typically comprises a mechanical adjustment mechanism for tilting the vehicle seat into the entry / exit position. Since the operating force or adjustment force required to tilt the vehicle seat can generally be too high for a vehicle occupant, the adjustment mechanism is typically driven by an electric motor mounted on the vehicle seat.
[0007] Disadvantages of such a device include, for example, the complicated construction, the high weight and costs, especially with regard to the electric motor.
[0008] The present invention therefore aims to provide an improved and simplified device for tilting a vehicle seat into an entry / exit position in a motor vehicle. In particular, weight and costs are to be reduced.
[0009] Summary of the invention
[0010] The problem is solved according to the invention by the features of claim 1. Advantageous further developments of the invention are set out in the dependent claims.
[0011] The invention relates to a device for tilting a vehicle seat into an entry / exit position in a motor vehicle, comprising an adjustment device for tilting the vehicle seat into the entry / exit position, characterized in that the device further comprises: an energy storage device arranged in the vehicle interior, wherein the energy storage device is configured to transfer energy to the adjustment device for tilting the vehicle seat into the entry / exit position.
[0012] Because the energy storage device is located inside the vehicle, energy can be easily generated, supplied, and stored by a vehicle occupant when entering or exiting the vehicle. This allows the adjustment mechanism to be supplied with energy for tilting a vehicle seat into an entry / exit position particularly easily and without long supply lines. Consequently, a simplified design of the device is also possible, for example, using mechanical, pneumatic, and / or hydraulic energy storage within the vehicle interior. In summary, this provides a simplified device for tilting a vehicle seat into an entry / exit position in a motor vehicle with reduced weight and lower manufacturing costs.
[0013] In all embodiments, the adjustment device is designed to absorb energy transferred from the energy storage device to tilt the vehicle seat into the entry / exit position.
[0014] In a particularly preferred embodiment, the energy storage device is configured to store mechanical, pneumatic, and / or hydraulic energy. This provides a particularly simplified yet effective energy storage system. Especially in an emergency, the vehicle seat can thus be easily tilted forward. Furthermore, this eliminates the need for an electric motor. Overall, this allows for a further reduction in weight and manufacturing costs.
[0015] In a particularly preferred embodiment, the device further comprises an energy transfer device arranged in the vehicle interior for supplying energy to the energy storage device. This allows energy to be easily absorbed from the energy transfer device and transferred to the energy storage device within the vehicle interior, particularly by a vehicle occupant. In other words, the energy transfer device is configured in all embodiments to absorb energy within the vehicle interior and transfer it to the energy storage device.
[0016] In a particularly preferred embodiment, the energy transfer device is configured to transfer mechanical, pneumatic, and / or hydraulic energy. This provides a particularly simplified yet effective energy transfer device. Alternatively or additionally, in all embodiments, the energy transfer device can be actuated by a vehicle occupant. This allows the occupant to easily provide energy to tilt the vehicle seat. A connection of the device to an electrical energy storage device (vehicle battery, high-voltage storage, etc.) located outside the vehicle interior is therefore unnecessary, resulting in a simplified device, especially for emergencies. Furthermore, an electric motor is not required.Overall, this allows for a further reduction in weight and manufacturing costs.
[0017] In a preferred embodiment, the energy storage device comprises a spring element, wherein a first end of the spring element is connected to the adjustment device and a second end of the spring is connected to the energy transfer device, preferably to a rotatably mounted tensioning element for tensioning the spring element. Particularly preferably, the energy transfer device comprises a rotatably mounted tensioning element for tensioning the spring element, wherein the second end of the spring element is connected to the tensioning element. This allows mechanical energy for tilting the vehicle seat to be provided in a simple manner. Preferably, in a tensioned position, the spring element is tensioned, with energy stored in the torsion spring and transferable to the adjustment device for tilting the vehicle seat. Overall, this allows for a further reduction in weight and manufacturing costs.
[0018] In a preferred embodiment, the energy storage device comprises a torsion spring, wherein a first leg of the torsion spring is connected to the adjustment device and a second leg of the torsion spring is connected to the energy transfer device. Particularly preferably, the energy transfer device comprises a rotatably mounted tensioning element for tensioning the torsion spring, wherein the second leg of the torsion spring is connected to the tensioning element. This allows mechanical energy for tilting the vehicle seat to be provided in a particularly simple manner. Preferably, the torsion spring is tensioned in a tensioned position, with energy stored in the torsion spring and transferable to the adjustment device for tilting the vehicle seat. Overall, this allows for a further reduction in weight and manufacturing costs.
[0019] In a preferred embodiment, the adjustment device comprises a steering element, in particular a four-bar linkage with the steering element, wherein the steering element is rotatably mounted on the vehicle seat and rotatably mounted on a floor structure of the motor vehicle, wherein in a first position of the steering element the vehicle seat is in a seated position and in a second position of the steering element the vehicle seat is tilted into the entry / exit position, and wherein the energy storage device is configured to transfer energy to the steering element to reach the second position. This provides a particularly stable adjustment device for tilting the vehicle seat into the entry / exit position. Furthermore, energy can be transferred to the steering element particularly efficiently.Particularly when the energy storage device includes a spring element, the first end of the spring element is preferably connected to the linkage element. Alternatively or additionally, if the energy storage device includes a torsion spring, the first leg of the torsion spring is preferably connected to the linkage element. The spring element is preferably designed as a torsion spring. This allows energy to be stored particularly efficiently in the energy storage device and transferred to the adjustment device in all cases.
[0020] In a preferred embodiment, the energy transfer device further comprises a movable sliding element connected to the energy storage device. This allows for a particularly efficient and stable supply of mechanical energy to the energy storage device. Especially if the energy storage device also includes a clamping element for tensioning the torsion spring, the sliding element is preferably configured to drive the clamping element. This allows for an even more efficient and stable supply of mechanical energy to the energy storage device, preferably to the torsion spring.
[0021] In a further preferred embodiment, the device also includes a locking device for blocking the release of energy from the energy storage device via the energy transfer device. In a first position of the energy transfer device, the locking device is in an open position, and in a second position of the energy transfer device, the locking device is in a blocked position to block the release of energy from the energy storage device via the energy transfer device. Preferably, in the second position, energy is transferred from the energy transfer device and fed into the energy storage device. This particularly effectively prevents stored energy from being released again via the energy transfer device.
[0022] In a particularly preferred embodiment, the locking device for locking the sliding element is configured such that in a first sliding element position the locking device is in an open position and in a second sliding element position the locking device is in a locked position to lock the sliding element. This allows the energy transmission device to be locked via the sliding element in a simple and stable manner.
[0023] In a further embodiment, the device also includes a seat lock, wherein, in an open position of the seat lock, energy can be transferred from the energy storage device to the adjustment device, and in a closed position of the seat lock, no energy can be transferred from the energy storage device to the adjustment device. Because energy can only be transferred from the energy storage device to the adjustment device in the open position, it can be ensured that the vehicle seat is tilted into the entry / exit position only in the open position. Preferably, the energy transfer device, and particularly preferably the sliding element, is configured to move the seat lock from the closed position to the open position.This allows the energy transfer device, preferably the sliding element, to be used not only to supply energy to the energy storage device, but also to move the seat lock into its open position. This results in a simplified device design. Overall, this further reduces weight and manufacturing costs.
[0024] In a particularly preferred embodiment, the energy transfer device comprises an actuating element, preferably a loop element, a lever element, a crank element, and / or a Bowden cable element. This allows the energy transfer device to be operated particularly easily by a vehicle occupant, enabling the occupant to provide energy for tilting the vehicle seat in a simple manner. Overall, this further reduces weight and manufacturing costs.
[0025] The actuating element 46 is preferably attached to the sliding element 44. This allows energy to be supplied to the energy storage device in a stable manner.
[0026] Finally, a motor vehicle is provided that includes the device just described.
[0027] Character description
[0028] Embodiments of the invention are described below with reference to the figures. These show:
[0029] Figure 1 shows a schematic sectional view of a preferred embodiment of the device in a rest position, Figure 2 shows the device from Figure 1 in a clamping and locking position,
[0030] Figure 3 shows the device from Figure 1 in a clamping and unlocking position, and
[0031] Figure 4 shows the device from Figure 1 in a tilting position.
[0032] Detailed description
[0033] Figure 1 shows a schematic sectional view of a rest position of a preferred embodiment of the device 10 for tilting a vehicle seat 12 into an entry / exit position in a motor vehicle. For simplicity, the vehicle seat 12 is represented only by a side panel 12.1. The seat surface and backrest of the vehicle seat 12 are not shown for clarity.
[0034] The device 10 comprises an adjustment mechanism 20 for tilting the vehicle seat 12 into the entry / exit position. Preferably, the adjustment mechanism 20 is designed as a mechanical adjustment mechanism 20. Particularly preferably, the adjustment mechanism 20 may comprise a four-bar linkage 22, which particularly preferably has a first linkage element 22.1 and a second linkage element 22.2.
[0035] Furthermore, the device comprises an energy storage device 30 arranged in the vehicle interior, wherein the energy storage device 30 is configured to transfer energy to the adjustment device 20 for tilting the vehicle seat 12 into the entry / exit position. This enables the aforementioned advantages to be provided.
[0036] In all embodiments, the energy storage device 30 is preferably connected to the vehicle seat, particularly preferably to the side panel 12.1. Alternatively or additionally, a connection via an energy transfer device 40 described below is conceivable. Alternatively or additionally, in all embodiments, the energy storage device 30 is preferably connected to a floor structure 14, particularly preferably to a guide device 16 and / or a seat rail 16.2. Alternatively or additionally, a connection via an adjustment device 20 arranged on the floor structure 14 is conceivable. Alternatively or additionally, in all embodiments, the energy storage device 30 can preferably be arranged between the vehicle seat 12, particularly preferably between the side panel 12.1, and the floor structure 14, particularly preferably the guide device 16 and / or the seat rail 16.2.In summary, this allows energy to be stored in the energy storage device 30 in a simple manner and used to tilt the vehicle seat 12 into the entry / exit position. The device 10 preferably comprises an energy transfer device 40 arranged in the vehicle interior for supplying energy to the energy storage device 30, wherein the energy transfer device 40 is preferably configured to transfer mechanical, pneumatic, and / or hydraulic energy. Alternatively or additionally, the energy transfer device can be actuated by a vehicle occupant. In other words, the energy transfer device 40 is thus configured to transfer energy provided by a vehicle occupant to the energy storage device 30.
[0037] Preferably, the energy storage device 30 is configured to store mechanical, pneumatic, and / or hydraulic energy. Particularly preferably, the mechanical, pneumatic, and / or hydraulic energy is supplied by a vehicle occupant.
[0038] In all embodiments, it is conceivable that the energy storage device 30 comprises a spring element 32, wherein a first end 32.1 of the spring element 32 is connected to the adjusting device 20 and a second end 32.2 of the spring device 32 is connected to the energy transfer device 40, preferably to a rotatably mounted clamping element 42 for clamping the spring element 32. It is conceivable that, in a clamped position of the spring element 32, mechanical energy is stored between the first end 32.1 and the second end 32.2 of the spring element 32.
[0039] With reference to Figure 1, the storage of mechanical energy in the energy storage device 30 is illustrated here by way of example. For illustrative purposes, the spring element 32 is preferably designed as a torsion spring 32. The first end 32.1 of the spring element 32 can be designed as the first leg 32.1 of the torsion spring 32, and the second end 32.2 of the spring device 32 can be designed as the second leg 32.2 of the torsion spring 32.
[0040] Thus, in general, the energy storage device 30 can preferably comprise the torsion spring 32, wherein the first leg 32.1 of the torsion spring 32 is connected to the adjusting device 20 and the second leg 32.2 of the torsion spring 32 is connected to the energy transfer device 40, particularly preferably to a rotatably mounted clamping element 42 for clamping the torsion spring 32.
[0041] Furthermore, the steering element 22.1 is preferably rotatably arranged on the vehicle seat 12. Additionally, the steering element 22.1 is preferably rotatably arranged on a floor structure 14 of the motor vehicle. As can be seen in Figure 1, the floor structure 14 can have a guide device 16 for the vehicle seat 12 with a floor rail 16.1 and a seat rail 16.2 movable relative to it. Preferably, the steering element 22.1 is rotatably arranged on the seat rail 16.2. Likewise, the second steering element 22.2 can also be rotatably arranged on the vehicle seat 12 and / or on the seat rail 16.2.
[0042] Furthermore, the first leg 32.1 of the leg spring 32 is preferably connected to the first steering element 22.1.
[0043] The energy storage device 30 or the leg spring 32 is designed to transfer energy to the steering element 22.1 to reach the second position, as illustrated by Figures 1 to 4.
[0044] Additionally, the energy transfer device preferably comprises a movable sliding element 44 connected to the energy storage device 30. The sliding element 44 is particularly preferably configured to drive the clamping element 42. For this purpose, a positive-locking and / or force-locking connection between the sliding element 44 and the clamping element 42 is conceivable. For example, a frictional connection and / or a toothed connection between the sliding element 44 and the clamping element 42 is possible.
[0045] Furthermore, the energy transmission device 40 can particularly preferably comprise an actuating element 46, preferably a loop element, a lever element, a crank element and / or a Bowden cable element. A loop element 46 can be seen in Figure 1.
[0046] Preferably, the actuating element 46 is attached to the sliding element 44. Alternatively or additionally, it is also conceivable that the actuating element 46 is attached to the energy storage device 30.
[0047] Furthermore, as can be seen in Figure 1, the device 10 preferably comprises a locking device 50 for blocking the release of energy from the energy storage device 30 via the energy transfer device 40. It is conceivable that the locking device 50 could comprise a locking element 52, for example in the form of a locking pin, and a locking spring element 54.
[0048] In general, in a first position of the energy transfer device 40, the locking device 50 can be in an open position, and in a second position of the energy transfer device 40, the locking device 50 can be in a locked position to prevent the release of energy from the energy storage device 30 via the energy transfer device 40. Finally, it can be seen in Figure 1 that the device 10 preferably comprises a seat lock 60, wherein in an open position of the seat lock 60, energy from the energy storage device 30 can be transferred to the adjustment device 20, and in a closed position of the seat lock 60, no energy from the energy storage device 30 can be transferred to the adjustment device 20. It is conceivable that the seat lock 60 could comprise a lock element 62, a locking spring element 64, and a locking element 66, for example, in the form of a locking bolt.
[0049] The following section uses Figures 1 to 4 as an example to explain how to tilt the vehicle seat 12 into an entry / exit position.
[0050] Figures 1 to 3 show the vehicle seat 12, in particular the side panel 12.1, in an exemplary seating position. The seating position can include various adjustment options for the vehicle seat. Generally speaking, the seating position is designed to allow a vehicle occupant to sit on the vehicle seat 12.
[0051] In contrast, in Figure 4 the vehicle seat 12, in particular the side panel 12.1, is tilted into a tilted position, specifically an entry / exit position. In all embodiments, the vehicle seat 12 is tilted, at least with its seat surface, for example, forwards and / or in the main direction of travel. In this entry / exit position, getting in and out of the rear seats is facilitated.
[0052] Figures 1 to 3 show a preferred first position of the steering element 22.1, in which the vehicle seat 12 is in the seated position. Figure 4, in contrast, shows a second position of the steering element 22.1, in which the vehicle seat 12 is tilted into the entry / exit position, which will be described in more detail below.
[0053] Figure 1 further shows that no energy has yet been supplied to the energy storage device 30 via the energy transfer device 40, and that the energy transfer device 40, or the sliding element 44, is in the first position. Accordingly, the locking device 50 is also in the open position. It may be provided that one locking path of the locking element 52, driven by the locking spring element 54, is blocked by the sliding element 44.
[0054] Figure 2 shows that energy is supplied to the energy storage device 30 by means of the energy transfer device 40: For this purpose, the sliding element 44 is preferably movable from the first position to a second position by means of the actuating element 46. For example, a vehicle occupant can pull on the loop 46 to reach the second position of the energy transfer device 40. The resulting movement of the sliding element 44 into the second position drives the tensioning element 42 and reduces the distance between the first leg 32.1 and the second leg 32.2 of the torsion spring 32. Preferably, the tensioning element 42 rotates about a pivot point D1. The torsion spring 32 is thus in a tensioned position, with energy stored in the torsion spring 32 and transferable to the adjustment device 20 for tilting the vehicle seat 12.
[0055] In other words, the torsion spring 32 is deformed by the application of force to the actuating element 46, preferably by a vehicle occupant. The applied force results in the storage of energy: While the torsion spring 32 is deformed, the mechanical work expended by the application of force can, for example, be converted into potential energy, which is stored in the deformed structure of the torsion spring 32.
[0056] Figures 1 to 4 show, by way of example, that the clamping element 42 and the torsion spring 32 are preferably arranged at a pivot point D1. Alternatively or additionally, it is also conceivable that the clamping element 42 and the torsion spring 32 are arranged at different pivot points.
[0057] Furthermore, in the second position of the energy transmission device 40 or the sliding element 44, the locking device 50 is preferably in the locked position. It can be provided that the sliding element 52 blocks the sliding element 44 in one direction. In other words, the locking element 52 blocks the energy transmission device 40 or the sliding element 44 from moving back to the first position.
[0058] Furthermore, preferably in the second position of the energy transmission device 40 or the sliding element 44, the torsion spring 32 is also locked by the seat lock 60: Preferably, in a closed position of the seat lock 60, the lock element 62, driven by the locking spring element 64, engages in the locking element 66. As can be seen by way of example in Figure 1 or 2, without external force, the rotatably mounted lock element 60 is rotated into engagement with the locking element 64 by the locking spring element 64. A pivot point D2 of the lock element 62 is arranged between a first end 62.1 and a second end 62.2 of the lock element. A spring force of the locking spring element 64 acts on the first end 62.1, causing the lock element 60 to rotate into the closed position and with its second end 62.2 into engagement with the locking element 64.This prevents the vehicle seat 12 from tilting. Preferably, the energy transfer device 40, and particularly preferably the sliding element 44, can be configured to move the seat lock 60 from the closed position to the open position. Figure 3 shows an example of a third position of the energy transfer device 40 or the sliding element 44 for unlocking the seat lock 60. For this purpose, the sliding element 44 is preferably movable from the second position to a third position by means of the actuating element 46. For example, a vehicle occupant can pull on the loop 46 to reach the third position of the energy transfer device 40. Preferably, the energy transfer device 40 or the sliding element 44 can be held in the third position by a pull from a vehicle occupant.The movement of the sliding element 44 and / or the stop of the sliding element 44 against the first end 62.1 causes the lock element 62 to be rotated into an open position against the spring force of the locking spring element 54, whereby the engagement of the second end 62.2 in the locking element 66 is released.
[0059] This release mechanism allows the energy stored in the torsion spring 32 to be transferred to the adjustment device 20 for tilting the vehicle seat 12: A spring force F of the torsion spring 32, shown by way of example in Figure 3, generates a torque on the first linkage element 22.1, preferably with respect to the pivot point D1. Work is done by the movement of the linkage element 22.1 and thus the tilting of the vehicle seat 12. The movement of the linkage element 22.1 is symbolized by an arrow in Figure 3. This enables a tilting movement of the vehicle seat 12, which is shown in Figure 4.
[0060] Figure 4 shows by way of example how energy stored in the torsion spring 32 is transferred to the adjustment device 20 for tilting the vehicle seat 12: Preferably, the torsion spring 32 is again in the relaxed state of Figure 1. Preferably, the first linkage element 22.1 and the second linkage element 22.2 are in the second position, in which the vehicle seat 12 is tilted into the entry / exit position.
[0061] The operating principle of the leg spring 32, described by way of example with reference to Figures 1 to 4, also applies in general form to a spring element 32.
[0062] As can be seen in Figure 4, in the tilted position of the vehicle seat 12, or in the second position of the first linkage element 22.1, the distance di between the pivot point D1 of the first linkage element 22.1 and the floor structure 14, in particular the seat rail 16.2, is greater than in the seated position of the vehicle seat 12, or in the first position of the first linkage element 22.1. Accordingly, it is conceivable that in the tilted position of the vehicle seat 12, or in the second position of the first linkage element 22.1, the distance d2 between a pivot point D3 of the second linkage element 22.2 and the floor structure 14, in particular the seat rail 16.2, is smaller than the distance di. The distances di and d2 can, for example, be determined perpendicular to a plane of the seat rail 16.2.
[0063] In all embodiments, the pivot points D1, D2, and D3 are preferably arranged on the vehicle seat 12, particularly preferably on the side panel 12.1. Furthermore, in all embodiments, as can be seen in Figures 1 to 4, additional pivot points, for example D4 and / or D5, are conceivable for the first steering element 22.1 and / or the second steering element 22.2 to achieve the tilting position. Preferably, the pivot points D4 and / or D5 are arranged on the floor structure 14, particularly preferably on the seat rail 16.2.
[0064] In all embodiments, it is conceivable that the energy stored in the energy storage device 30 is sufficient to tilt a vehicle seat 12 into the entry / exit position. In other words, no additional energy needs to be expended externally to actuate tilting the vehicle seat 12 into the entry / exit position. Alternatively or additionally, it is also conceivable that the energy stored in the energy storage device 30 is provided to assist in tilting a vehicle seat 12 into the entry / exit position. In other words, additional energy is expended externally to actuate tilting the vehicle seat 12 into the entry / exit position. For example, in all embodiments, it is conceivable that the vehicle seat 12 can be adjusted into the tilt position by a vehicle occupant using a tilting mechanism on the actuating element 46.The tilting action can be used in addition to an action for supplying energy to the energy storage device 30. However, the energy required for the tilting action can be reduced with respect to the energy stored in the energy storage device 30. In other words, the adjustment force required for the tilting movement of the vehicle seat 12 is reduced.
[0065] In all embodiments, it is conceivable that the device 10 includes a force converter. The force converter is particularly preferably configured as a lever element, gear, worm gear, pulley, mechanical system, electromechanical system, hydraulic system, pneumatic system, and / or screw. The force converter is preferably configured to reduce the force required for energy storage in the energy storage device 30 and / or to generate a greater force for tilting the vehicle seat 12 into the entry / exit position using the energy stored in the energy storage device 30. The adjusting device 20, the energy transmission device 40, and / or the actuating element 46 particularly preferably include at least one force converter.
[0066] For example, with reference to Figures 1 to 4, the clamping element 42 can be understood as a force multiplier. Preferably, the clamping element 42 provides a lever travel for tensioning the torsion spring 32. The lever travel can be defined, for example, by a distance between the pivot point D1 and the point P where the second leg 32.2 is connected to the clamping element 42. Alternatively or additionally, a gear arrangement, for example between the clamping element 42 and the sliding element 44, is also conceivable in the device 10. By means of a gear ratio in the gear arrangement, it is conceivable that, for example, the force applied to the actuating element 46 is smaller than the force required to tension the torsion spring 32.
[0067] In all embodiments, the energy transfer device 40 is preferably configured to supply mechanical energy, potential energy, kinetic energy, elastic energy, pressure energy, in particular pneumatic and / or hydraulic energy, electrical energy, magnetic energy and / or chemical energy to the energy storage device 30.
[0068] Alternatively or additionally, in all embodiments, the energy storage device 30 is preferably configured to store mechanical energy, potential energy, kinetic energy, elastic energy, pressure energy, electrical energy, magnetic energy and / or chemical energy and / or to transfer it to the adjusting device 20. For example, the energy storage device 30 may preferably comprise a spring element, an elastic material, a battery, a pneumatic accumulator and / or a hydraulic accumulator.
[0069] Alternatively or additionally, in all embodiments the adjusting device 20 is configured to receive energy transmitted from the energy storage device 30, preferably mechanical energy, potential energy, kinetic energy, elastic energy, pressure energy, electrical energy, magnetic energy and / or chemical energy, to tilt the vehicle seat 12 into the entry / exit position.
[0070] Alternatively or additionally, in all embodiments it is conceivable that the adjusting device 20 and / or the energy transmission device 40 comprises a loop element, a lever element, a crank element, a Bowden cable element, an actuator, preferably a worm drive and / or a (linear) motor, a lever element, a gearbox, a worm gear, a pulley system, a mechanical system, an electromechanical system, a hydraulic actuator, a pneumatic actuator, and / or a screw.
[0071] Reference symbol list
[0072] 10 Device
[0073] 12 vehicle seats
[0074] 12.1 Side panel
[0075] 14 Soil structure
[0076] 16 Guide device
[0077] 16.1 Floor rail
[0078] 16.2 Seat rail
[0079] 20 Adjustment device
[0080] 22 Four-bar linkage
[0081] 22.1 first handlebar element
[0082] 22.2 second handlebar element
[0083] 30 Energy storage device
[0084] 32 Leg spring
[0085] 32.1 first leg
[0086] 32.2 second leg
[0087] 40 Energy transmission equipment
[0088] 42 clamping element
[0089] 44 sliding element
[0090] 46 Actuating element
[0091] 50 Locking device
[0092] 52 Locking element
[0093] 54 Locking spring element
[0094] 60 Seat locking
[0095] 62 Lock element
[0096] 62.1 first end of the lock element
[0097] 62.2 second end of the lock element
[0098] 64 Locking spring element
[0099] 66 Locking element di distance d2 distance
[0100] D1 Pivot point of the clamping element or first linkage element
[0101] D2 pivot point of the lock element
[0102] D3 pivot point second steering element P connection point
Claims
Claims 1. Device (10) for tilting a vehicle seat (12) into an entry / exit position in a motor vehicle, comprising an adjustment device (20) for tilting the vehicle seat (12) into the entry / exit position, characterized in that the device (10) further comprises: an energy storage device (30) arranged in the vehicle interior, wherein the energy storage device (30) is configured to transfer energy to the adjustment device (20) for tilting the vehicle seat (12) into the entry / exit position.
2. Device (10) according to claim 1 , characterized in that the energy storage device (30) is configured to store mechanical, pneumatic and / or hydraulic energy.
3. Device (10) according to claim 1 or claim 2, characterized in that the device (10) further comprises an energy transfer device (40) arranged in the vehicle interior for supplying energy to the energy storage device (30), wherein the energy transfer device (40) is preferably configured to transfer mechanical, pneumatic and / or hydraulic energy and / or is operable by a vehicle occupant.
4. Device (10) according to claim 3, characterized in that the energy storage device (30) comprises a spring element (32), wherein a first end (32.1) of the spring element (32) is connected to the adjusting device (20) and a second end (32.2) of the spring device (32) is connected to the energy transfer device (40), preferably to a rotatably mounted clamping element (42) for clamping the spring element (32).
5. Device according to claim 3 or claim 4, characterized in that the energy storage device (30) comprises a torsion spring (32), wherein a first leg (32.1) of the torsion spring (32) is connected to the adjusting device (20) and a second leg (32.2) of the torsion spring (32) is connected to the energy transfer device (40), preferably to a rotatably mounted clamping element (42) for clamping the torsion spring (32).
6. Device (10) according to one of the preceding claims, characterized in that the adjusting device (20) comprises a steering element (22.1), in particular a four-bar linkage (22) with the steering element (22.1), wherein the steering element (22.1) is rotatably arranged on the vehicle seat (12) and rotatably arranged on a floor structure (14, 16.2) of the motor vehicle, wherein in a first position of the steering element (22.1) the vehicle seat (12) is in a seated position and in a second position of the steering element (22.1) the vehicle seat (12) is tilted into the entry / exit position, and wherein the energy storage device (30) is configured to transfer energy to the steering element (22.1) to reach the second position, wherein preferably the first (32.1) of the spring element (32) and / or first leg (32.1) of the leg spring (32) with the The steering element (22.1) is connected.
7. Device (10) according to one of the preceding claims, characterized in that the energy transfer device (40) further comprises a movable sliding element (44) which is connected to the energy storage device (30) and is preferably configured to drive the clamping element (42).
8. Device (10) according to one of the preceding claims, characterized in that the device (10) further comprises a locking device (50) for blocking the release of energy from the energy storage device (30) via the energy transmission device (40), wherein in a first position of the energy transmission device (40) the locking device (50) is in an open position and in a second position of the energy transmission device (40) the locking device (50) is in a locked position for blocking the release of energy from the energy storage device (30) via the energy transmission device (40).
9. Device (10) according to one of the preceding claims, characterized in that the device (10) further comprises a seat lock (60), wherein in an open position of the seat lock (60) energy from the energy storage device (30) can be transferred to the adjustment device (20), and in a closed position of the seat lock (60) no energy from the energy storage device (30) can be transferred to the adjustment device (20), and wherein preferably the energy transfer device (40), particularly preferably the sliding element (44), is configured to adjust the seat lock (60) from the closed position to the open position.
10. Device (10) according to one of claims 3 to 9, characterized in that the energy transmission device (40) comprises an actuating element (46), preferably a loop element, a lever element, a crank element and / or a Bowden cable element.
11. Device (10) according to one of claims 7 to 10, characterized in that the actuating element (46) is attached to the sliding element (44).
12. Motor vehicle comprising a device (10) according to any of the preceding claims.
Citation Information
Patent Citations
Easy-entry vehicle seat
US10589642B2
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