Swing frame of vehicle seat, in particular swing seat and / or utility vehicle seat, and vehicle seat of this type

Abstract

The invention relates to a swing frame (120) for a vehicle seat (100), in particular a swing seat and / or a utility vehicle seat, comprising at least one lower frame (210) and a connecting rod (202a, 202b), which is in particular pivotable, is movable relative to the lower frame (210) and is coupled to the lower frame (210) at least at a lower connecting rod end (202.1) via a transverse rod (230 to 260), wherein at least one position detection device (400) for detecting an assumed relative position of the transverse rods (230 to 260) is arranged in the lower frame (210), and wherein the transverse rods (230 to 260) are collectively movable about the axis of rotation (252) during movement of the connecting rods (202a, 202b).

Description

Technical Field

[0001] The present invention relates to a swing frame for a vehicle seat, in particular a swing seat and / or a multi-purpose vehicle seat, which comprises at least one lower frame and a connecting rod, the connecting rod being movable relative to the lower frame and coupled to the frame via a cross bar at least at the lower connecting rod end, and coupled to the vehicle seat. Background Art

[0002] EP 2 321 149 B1 discloses a vehicle seat, in particular a multi-purpose vehicle seat, having a scissor-type frame which is capable of swinging in a main swing direction and has an upper frame, two first connecting rods and two second connecting rods, the two first connecting rods and the two second connecting rods intersecting in pairs at a scissor axis extending in the transverse direction of the seat, wherein the two first connecting rods are connected to each other at one end by a cross tube which extends in the transverse direction of the seat and is rotatably mounted on the upper frame using at least one bearing device, wherein the horizontal swing of the upper frame in the longitudinal direction of the seat is not damped by at least one swing device in the case of small deflections and is damped by the bearing device in the case of large deflections. Summary of the Invention

[0003] The present invention is based on the problem of improving a swing frame of the type mentioned above, in particular of allowing the height in a swing seat, in particular the seat height, to be measured in a simple manner and of providing a corresponding vehicle seat.

[0004] According to the present invention, this problem is solved by a swing frame for a vehicle seat, in particular a swing seat and / or a multi-purpose vehicle seat, the swing frame comprising at least one lower frame and a connecting rod, the connecting rod being particularly swingable, movable relative to the lower frame and coupled to the frame via a cross bar at least at the lower connecting rod end, wherein at least one position detection device for detecting a supposed relative position of the cross bar is arranged in the lower frame, and wherein the cross bar can move together about a rotation axis during the movement of the connecting rod.

[0005] Since at least one position detection device for detecting a supposed relative position of the cross bar is arranged in the lower frame, and the cross bar can move together about a rotation axis during the movement of the connecting rod, the current height of the vehicle seat, in particular the swing seat, in particular the seat height, can be monitored in a simple manner.

[0006] A swingable swing seat or connecting rod should be understood as a seat or connecting rod which can be deflected (e.g. due to road bumps). A swingable swing seat or connecting rod can counteract, for example, damping on a poor road surface, unpleasant shocks. Thus, for example, seat comfort can be improved, for example during a long driving distance.

[0007] The vehicle seat can be, for example, a suspended seat. The swing frame can be a suspension.

[0008] The arrangement of the position detection device within the lower frame allows for pre-assembled or pre-assembled and optionally testable components. Additionally, this arrangement allows for a space-saving use of the existing construction space.

[0009] Advantageous improvements that can be used individually or in combination with each other are the subject of the dependent claims.

[0010] For example, a level control can be provided, where the detection of the relative position of the crossbar caused by the movement of the link enables the determination of the deflection of the link or the swing frame and / or the current height position of the vehicle seat. For example, if the actual value of the height differs from the desired value, typically due to the deflection of the link or the swing frame, then the level control can be activated to, for example, counteract the deflection so that the actual value again reaches the desired value. The level control can include, for example, at least one control device and a controllable suspension device.

[0011] The position detection device can be designed to determine the deflection of the link and / or the height of the vehicle seat, in particular the seat height, with reference to the relative position of the detected crossbar.

[0012] Determining, for example monitoring, the current deflection and / or the current height position also enables the improvement of the height setting of the vehicle seat. For the height setting, the desired value can be changed according to the height to be newly set, so the level control regards the current actual value as the deviation from the desired value and brings the swing frame to the desired new height.

[0013] The lower link end can be connected to the crossbar to rotate with it. Thus, the crossbar follows the movement of the link, such as the deflection.

[0014] In a development variant, the crossbar can be activatable for moving the link. For different height positions of the vehicle seat, the crossbar can be adjusted, for example, by an angular value. For example, to set the height position, the crossbar can be rotated by 26° in each case.

[0015] The position detection device can be arranged in the lower frame and / or in the articulation area of the crossbar on the lower frame. In particular, the position detection device can be arranged entirely within the cavity of the lower frame. Additionally, no changes need to be made to the existing metal structure and bearing structure of the lower frame or the upper frame.

[0016] At least one bearing element can be arranged in the cavity of the lower frame, where the bearing element can include a bearing socket, and the crossbar can be held in a rotatably guided manner in the bearing socket, and the position detection device can be arranged at the bearing end opposite the bearing socket.

[0017] The position detection device may include at least one angle sensor, which may be designed to detect the angular position of the crossbar as a relative position, wherein a permanent magnet interacting with the angle sensor may be arranged on and / or in the crossbar. The position detection device may include, for example, a magnetic angle sensor. The permanent magnet may be fastened in the crossbar in a centered manner.

[0018] The angle sensor may be arranged on the rear side or the front side of the bearing element and may include at least one printed circuit board and sensor elements arranged thereon for measuring the rotation of the permanent magnet.

[0019] The sensor signal may be detected non-linearly with respect to the height of the swing frame. The sensor signal may be detected as an absolute signal. The rotation of the crossbar, in particular the measurement of the angular position, may be carried out particularly without contact. Thereby, wear can be reduced.

[0020] In a development variant, the position detection device may optionally be arranged in the upper frame of the swing frame. In a development variant, the angle sensor may be arranged in and / or on the crossbar and the permanent magnet in and / or on the lower frame.

[0021] The measurement of the seat height in the swing seat may be carried out by determining the adjustment angle. By determining the angle of the crossbar and the angle of the connecting rod, the current seat height of the seat can be determined.

[0022] The crossbar may include a cavity, and the magnet carrier may be fastened in the cavity. The magnet carrier may be fastened at least in a form-fitting, force-fitting, and / or integrally bonded manner, for example, in the cavity. The magnet carrier may have a magnet socket for receiving the permanent magnet.

[0023] The connecting rod may be able to swing, wherein the upper connecting rod end of the connecting rod may be held on the upper frame in a manner that is movably guided in the longitudinal direction of the seat via a sliding element, and wherein the height of the upper frame relative to the lower frame may be changeable by the movement of the connecting rod.

[0024] At least one pair of swingable connecting rods may be provided, wherein the connecting rods may intersect at a scissor axis and may pivot relative to each other about the scissor axis. The pair of connecting rods may be designed to adjust the scissors, for example, height-adjusting scissors.

[0025] The swing frame can be designed as a scissor frame. The swing frame can have, for example, two pairs of links arranged spaced apart from each other in the transverse direction. The two opposite links of the pair can be connected to each other via a transverse bar. The angle of the scissor frame, in particular the angle of the height-adjustable scissor, is determined such that the current height of the seat can be determined. During the swing of the scissor frame, the deflection is detected, which can be detected by a detection device, such that the current height position, for example the actual value of the height, can be determined with a very high measurement accuracy, and thus ultimately the horizontal control and the height setting can be improved.

[0026] The invention also relates to a vehicle seat, in particular a swing seat and / or a multi-purpose vehicle seat, having at least one seat part and a swing frame according to the above-described swing frame connected to the seat part, wherein the swing frame includes at least one lower frame and a link, which is in particular swingable, movable relative to the lower frame and coupled to the frame at least at the lower link end via a transverse bar. At least one position detection device for detecting the assumed relative position of the transverse bar is arranged in the lower frame of the swing frame, wherein the transverse bar can move together about a rotation axis during the movement of the link. The current height of the swing frame, in particular the seat height of the vehicle seat (in particular a swing seat), can be determined by the position detection device by measuring the angle in the swing kinematics. The vehicle seat can be a multi-purpose vehicle seat, for example, a so-called commercial vehicle seat.

[0027] The swing frame can be a scissor frame, which is swingable and optionally additionally height-adjustable. Measuring the angle of the scissor kinematics enables the seat height of the seat to be determined. The swing frame, in particular the scissor frame, can include a lower frame, an upper frame arranged above the lower frame, and a corresponding pair of cross-links on both sides. The scissor axis can connect the two cross-points of the links and simultaneously define the axis about which the links can pivot relative to each other. The links can each be coupled to the lower frame or the upper frame at their rear ends and can each have a sliding element, for example a rotatable roller, at their front ends, by means of which the links can be movably guided in the upper frame or the lower frame or on the upper frame or the lower frame in the longitudinal direction of the seat. This movement of the links enables the height of the upper frame relative to the lower frame, also referred to as the height of the scissor frame, to be changed. Description of the Drawings

[0028] The invention will be explained in more detail below with reference to advantageous exemplary embodiments shown in the drawings.

[0029] However, the invention is not limited to these exemplary embodiments. In the figures:

[0030] Figure 1 : shows a schematic view of a vehicle seat having a longitudinal adjustment device according to the prior art,

[0031] Figure 2 : A perspective front view schematically showing a swing frame according to the present invention, in particular a scissor-type frame capable of swinging according to a first exemplary embodiment,

[0032] Figure 3 : A perspective rear view schematically showing a swing frame according to the present invention,

[0033] Figure 4 : A magnified detail in the lower frame region of a swing frame according to the present invention is schematically shown,

[0034] Figure 5 : A further magnified detail in the lower frame region of a swing frame according to the present invention is schematically shown,

[0035] Figure 6 : A perspective view of a covering element for covering a position detection device of a swing frame according to the present invention is schematically shown,

[0036] Figure 7 : A perspective view of a rod end of a cross bar according to a first exemplary embodiment is schematically shown,

[0037] Figure 8 : A perspective view of a magnet carrier that can be arranged or is arranged in a cross bar according to a first exemplary embodiment, and

[0038] Figure 9 : A perspective view of an angle sensor of a position detection device according to a first exemplary embodiment is schematically shown.

[0039] List of reference numerals

[0040] 100 Vehicle seat

[0041] 102 Seat component

[0042] 104 Backrest

[0043] 106 Fitting

[0044] 108 Rotation axis

[0045] 110 Longitudinal adjustment device

[0046] 112 Track device

[0047] 114 First track element (upper track)

[0048] 116 Second track element (lower track)

[0049] 120 Swing frame

[0050] 200 Scissor-type frame

[0051] Connecting rods 202a, 202b

[0052] Connecting rod end 202.1, especially the rear connecting rod end

[0053] Connecting rod end 202.2, especially the front connecting rod end

[0054] Scissor shaft 204

[0055] Lower frame 210

[0056] Cavity 212

[0057] Cover element 214

[0058] Bracket 216

[0059] Retaining element 216.1

[0060] Upper frame 220

[0061] Cross bar 230

[0062] Cross bar 240

[0063] Cross bar 250

[0064] Rotating shaft 252

[0065] Rod end 254

[0066] Cavity 256

[0067] Cross bar 260

[0068] Hinge area 270

[0069] Bearing element 300

[0070] Bearing socket 302

[0071] Bearing housing 304

[0072] Bracket 306

[0073] Retaining element 306.1

[0074] Position detection device 400

[0075] Angle sensor 402

[0076] Printed circuit board 402.1

[0077] Sensor element 402.2

[0078] Permanent magnet 404

[0079] 406 Connecting cable

[0080] 408 Magnet carrier

[0081] 408.1 Magnet jack

[0082] 408.2 Basic body

[0083] 408.3 Fastening element

[0084] 408.4 Groove

[0085] x Longitudinal direction

[0086] y Transverse direction

[0087] z Vertical direction. Detailed implementation manner

[0088] In all the figures, the corresponding components have the same reference signs.

[0089] The vehicle seat 100 of the prior art schematically shown below will be described using three mutually perpendicular spatial directions Figure 1 When the vehicle seat 100 is installed in a vehicle, the longitudinal direction x extends substantially horizontally and preferably parallel to the vehicle longitudinal direction, which corresponds to the normal driving direction of the vehicle. The transverse direction y extending perpendicular to the longitudinal direction x is also horizontally oriented in the vehicle and extends parallel to the vehicle transverse direction. The vertical direction z extends perpendicular to the longitudinal direction x and perpendicular to the transverse direction y. When the vehicle seat 100 is installed in a vehicle, the vertical direction z preferably extends parallel to the vehicle vertical axis.

[0090] The position and direction statements used, such as front, rear, top and bottom, are related to the line of sight direction of an occupant sitting in the vehicle seat 100 in a normal sitting position, where the vehicle seat 100 is installed in the vehicle in a use position suitable for transporting passengers, has an upright backrest 104, and is oriented in the traveling direction in a conventional manner. However, the vehicle seat 100 can also be installed or moved in a different orientation, for example, installed or moved laterally relative to the traveling direction. Unless otherwise specified, the vehicle seat 100 is configured to be mirror-symmetrical with respect to a plane extending perpendicular to the transverse direction y.

[0091] The backrest 104 can be pivotally arranged on the seat part 102 of the vehicle seat 100. For this purpose, the vehicle seat 100 can optionally include a fitting 106, in particular an adjustment fitting, a rotation fitting, a latch fitting or a rollover fitting.

[0092] The position and orientation statements used, such as radially, axially, and in the circumferential direction, are related to the rotation axis 108 of the fitting 106. Radially means perpendicular to the rotation axis 108. Axially means in the direction of the rotation axis 108 or parallel to the rotation axis 108.

[0093] The vehicle seat 100 can optionally include a longitudinal adjustment device 110. The longitudinal adjustment device 110 includes, for example, a track device 112 having a first track element 114 and a second track element 116. The first track element 114 is adjustable relative to the second track element 116 in the longitudinal direction x. The first track element 114 is fastened to the seat part 102. The second track element 116 is fastened to a structural element of the vehicle, such as the vehicle floor.

[0094] For clarity, the first track element 114 is referred to as the upper track 114 in the following description. The upper track 114 (also referred to as the running track or slide rail) is assigned to the vehicle seat 100 and is designed to support the vehicle seat 100. The second track element 116 is referred to as the lower track 116 in the following. The lower track 116 is fixedly connected to, for example, the floor of the vehicle.

[0095] Furthermore, a swing frame 120, such as a swing kinematics and / or a height adjustment kinematics, can be arranged between the vehicle seats 100, in particular between the seat part 102 and the longitudinal adjustment device 110 and / or the vehicle floor.

[0096] The swing frame 120 can have corresponding joint arrangements (I, II, III, IV), such as a four-joint arrangement, on both sides of the seat part 102. The joint arrangements (I, II, III, IV) can be constructed substantially identically.

[0097] The seat part 102 can be displaceable together with the swing frame 120 by means of two pairs of tracks, by which the vehicle seat 100 can be adjusted translatably in the longitudinal direction x. The two pairs of tracks are arranged offset relative to each other and parallel to each other in the transverse direction y.

[0098] Figure 2 A perspective view of the swing frame 120 according to the invention is schematically shown, in particular a swing frame 120 that is capable of swinging and optionally height-adjustable.

[0099] The swing frame 120 is in particular a scissor-type frame 200.

[0100] The swing frame 120, in particular the scissor-type frame 200, includes at least one lower frame 210, which is in Figure 3As can be seen in more detail in, and the upper frame 220. The lower frame 210 and the upper frame 220 are arranged separately from each other in the vertical direction z. The swing frame 120 includes corresponding pairs of cross links on both sides. The link pairs 202a, 202b movably connect the two frames to each other. This pair movably supports the upper frame 220 on the lower frame 210.

[0101] The scissor shaft 204 connects two intersection points and at the same time defines the axes about which the links 202a, 202b can pivot relative to each other. The links 202a, 202b are each coupled to the lower frame 210 or the upper frame 220 at their rear link ends 202.1, and each have a sliding element (not specifically shown), such as a rotatable roller, at their front link ends 202.2, through which the links are movably guided in the longitudinal direction x in or on the upper frame 220 or the lower frame 210, or on the upper frame 220 or the lower frame 210. This movement of the links 202a, 202b changes the height of the upper frame 220 above the lower frame 210, which is also simply referred to as the height of the scissor frame 200 hereinafter.

[0102] For example, a horizontal control device (not specifically shown), such as at least including an air spring and a damper, enables the scissor frame 200 to become a system capable of swinging and increasing seat comfort.

[0103] Figure 3 A perspective rear view of the swing frame 120 according to the present invention, in particular the scissor frame 200, is schematically shown.

[0104] The two pairs of intersecting links 202a, 202b each include a first link 202a and a second link 202b, wherein the inner side of the first link 202a and the outer side of the second link 202b face each other.

[0105] The two first links 202a are fixedly connected to each other at their upper parts, here the rear link ends 202.1, and are movably, in particular rotatably, coupled to the upper frame 220. The first links 202a are connected to each other at their lower parts, here the front link ends 202.2, by other cross bars 240. The cross bars 240 are movably guided in the longitudinal direction x on both sides on the lower frame 210 by corresponding bearing means (not specifically shown).

[0106] The second link 202b is connected to each other at its lower part, here the rear link end 202.1, by means of a crossbar 250 and is movably, in particular rotatably, coupled to the lower frame 210. The crossbar 250 can be mounted on the lower frame 210 directly and / or via bearing elements 300. At its upper part, here the front link end 202.2, the second link 202b is likewise connected by means of a crossbar 260 and is movably guided in the longitudinal direction x on both sides in the lower frame 220, for example, by means of corresponding bearing means (not shown in detail).

[0107] The crossbars 230 to 260 each extend in a transverse direction y parallel to the scissors axis 204. The movement of the first link 202a relative to the second link 202b about the scissors axis 204, in particular a pivoting movement, changes the height of the upper frame 220 above the lower frame 210.

[0108] Control means (not shown in detail) can be provided, which can be used both for horizontal control, i.e., for maintaining the set height of the scissors frame 200 during travel, and optionally for setting the height of the scissors frame 200.

[0109] At least one position detection device 400 is provided for determining the current height position of the swing frame 120, in particular the scissors frame 200. The at least one position detection device 400 can in particular be arranged in one of the hinge areas 270 between one of the crossbars 230 to 260 and the lower frame 210 or the upper frame 220. Thus, the position detection device 400 can be arranged in a space-saving manner in the lower frame 210 and / or the upper frame 220.

[0110] The fact that the current height position of the scissors frame 200 can be determined means that the current height position of the vehicle seat 100 can be derived. If the scissors frame 200 undergoes deflection, for example due to road bumps, then this allows for an improvement in horizontal control and / or height adjustment. Thus, the deflection can be monitored by means of the position detection device 400.

[0111] The scissors frame 200 can be displaceable in the longitudinal direction x using a longitudinal adjustment device 110. The vehicle seat 100 can also have a seat frame (not shown in detail), which can be fastened to the upper frame 220. In a development, the seat frame, for example the seat surface, can be integrally formed with the upper frame 220. The scissors frame 200 can be directly coupled to the seat frame of the vehicle seat 100 and can connect it to the lower frame 210.

[0112] Figure 4 An enlarged detail in the region of the lower frame 210 of the swing frame 120, in particular the scissors frame 200, according to the invention is schematically shown.

[0113] The lower frame 210 and optionally the upper frame 220 may have a substantially U-shaped or C-shaped profile. The lower frame 210 may have a profile, for example in the form of a track profile, which is open at least in the transverse direction y in the section towards the transverse rod 250 and houses the allocated bearing elements 300 for the rotatable mounting of the transverse rod 250. The lower frame 210 may also have a closed profile with at least one channel opening through which the transverse rod 250 is guided. The bearing elements 300 may be arranged, for example, in the cavity 212 of the lower frame 210. The cavity 212, in particular the profile opening, may be covered by a covering element 214 at the profile end of the lower frame 210.

[0114] For example, the position detection device 400 may be arranged at the profile end of the lower frame 210 and in the articulation area 270 of the transverse rod 250 and / or in the area of the bearing elements 300.

[0115] A position detection device 400 is provided which is arranged in the lower frame 210 or optionally in the upper frame 220 for detecting the assumed relative position of the transverse rod 250, wherein the transverse rod 250 can move together about the axis of rotation 252 during the pivoting movement of the allocated link 202b, for example due to deflection or height adjustment. The lower or rear link end 202.1 of the link 202b is connected to the transverse rod 250 to rotate therewith. During deflection and during the height adjustment of the scissors frame 200, the transverse rod 250 can move together, in particular pivot or rotate together. The corresponding rear link end 202.1 can be connected to the transverse rod 250 at least in an integrally bonded, form-fitting and / or force-fitting manner.

[0116] The axis of rotation 252 is parallel to the scissors axis 204 and the transverse direction y.

[0117] Figure 5 Further enlarged details in the area of the lower frame 210 of the swing frame 120, in particular the scissors frame 200, according to the invention are schematically shown. For the sake of clarity, the covering element 214 has been omitted in the exemplary embodiment shown.

[0118] The bearing element 300 is arranged in the cavity 212 of the lower frame 210. The bearing element 300 includes a bearing socket 302, such as a bearing socket 302 that is continuous in the transverse direction y. The transverse rod 250 is held in the bearing socket 302 in a rotatably guided manner. The position detection device 400 is arranged at the end of the cavity 212 of the lower frame 210 opposite to the bearing element 300. The bearing element 300 can form a flush covering of the open-profile side of the U-shaped or C-shaped lower frame profile. The bearing element 300 can have a bearing housing 304. The first side of the bearing element 300, such as the first housing side of the bearing housing 304, can cover the open-profile side of the lower frame profile. The second side of the bearing element 300 opposite to the first side, in particular the second housing side of the bearing housing 304, can have a bracket 306. The bracket 306 can have at least two opposite holding elements 306.1. The holding element 306.1 can be designed as a holding arm. The holding element 306.1 can form a holding track.

[0119] The position detection device 400 includes at least one angle sensor 402, which is designed to detect the angular position of the transverse rod 250 as a relative position. The position detection device 400 includes at least one permanent magnet 404 that interacts with the angle sensor 402. The angle sensor 402 can determine the angular position of the transverse rod 250 based on the detected magnetic field.

[0120] The angle sensor 402 can be fastened in the bracket 306 of the bearing element 300. For example, the angle sensor 402 can be fixed, such as clamped or latched, between the two holding elements 306.1 of the bracket 306. Alternatively, the angle sensor 402 can be fastened to the inner surface of the lower frame 210.

[0121] The permanent magnet 404 can be arranged in and / or at the rod end 254 of the transverse rod 250. In particular, the permanent magnet 404 can be arranged in and / or at the rod end 254 facing the angle sensor 402. The permanent magnet 404 can be fastened in and / or at the rod end 254 to rotate therewith.

[0122] When the transverse rod 250 rotates about its rotation axis 252, the permanent magnet 404 moves therewith, so that the alignment of the magnetic field changes, which can be detected by the angle sensor 402. Thus, the angular position of the transverse rod 250 can be determined.

[0123] Figure 6 A perspective view of the covering element 214 of the position detection device 400 for covering the swing frame 120 according to the invention, in particular the scissor-type frame 200, is schematically shown.

[0124] In this exemplary embodiment, the covering element 214 is provided with a bracket 216 for receiving the angle sensor 402.

[0125] The covering element 214 may have a holding element 216.1 extending in the longitudinal direction x. The bracket 216 may have at least two opposite holding elements 216.1. The holding element 216.1 may be designed as a holding arm. The holding element 216.1 may form a holding track. The angle sensor 402 may be fastened in the bracket 216 of the covering element 214. For example, the angle sensor 402 may be fixed, such as clamped or latched, between two holding elements 216.1 of the holding element 216. Alternatively, the angle sensor 402 may be fastened to the inner surface of the lower frame 210.

[0126] The covering element 214 may include a lead hole 218, such as an opening, for the passage of a connection cable 406 of the position detection device 400, in particular the angle sensor 402. The connection cable 406 may be an integrated cable and / or a cable bundle.

[0127] Figure 7 A perspective view of the rod end 254 of the crossbar 250 according to a first exemplary embodiment is schematically shown.

[0128] The crossbar 250 may be designed as a tube. The crossbar 250 may include a cavity 256 or at least one end-side cutout. The permanent magnet 404 may be non-rotatably fastened in the cavity 256. For this purpose, for example, a magnet carrier 408 may be provided. The magnet carrier 408 may be made of plastic, such as polyamide (PA). The magnet carrier 408 may be non-rotatably fastened in the cavity 256 of the crossbar 250.

[0129] The magnet carrier 408 may have at least one magnet socket 408.1 in which the permanent magnet 404 may be arranged or disposed.

[0130] The permanent magnet 404 may be made of, for example, a conventionally suitable magnetic material, such as ferrite.

[0131] Figure 8 A perspective view of the magnet carrier 408 according to a first exemplary embodiment is schematically shown, which may be arranged in or disposed in the crossbar 250.

[0132] The magnet carrier 408 can be a hollow cylindrical sleeve. The magnet carrier 408 can include a basic body 408.2, such as a sleeve body. The magnet receptacle 408.1 can be, for example, a cavity extending through the basic body 408.2. The magnet carrier 408 can have a plurality of protruding, in particular radially protruding, fastening elements 408.3 on its outer periphery. The fastening elements 408.3 can be, for example, latch arms, latch lugs or latch hooks. The magnet carrier 408 can be arranged in the cavity 256 of the cross bar 250 at least in a form-fitting manner via the fastening elements 408.3. The fastening elements 408.3 can be arranged at an angle to the outer periphery of the magnet carrier 408. Thus, the support of the magnet carrier 408 in the cavity 256, in particular the clamping, can be simplified. The magnet carrier 408, in particular the basic body 408.2, can have a groove 408.4 indicating the pole direction of the permanent magnet 404. Thereby, the correct alignment of the permanent magnet 404 during installation can be simplified.

[0133] Figure 9 Perspective view schematically showing the angle sensor 402 of the position detection device 400 according to an exemplary embodiment.

[0134] The angle sensor 402 can include a printed circuit board 402.1, such as a circuit board, and / or a suitable carrier, wherein the printed circuit board 402.1 and / or the carrier can be equipped with at least one sensor element 402.2 for detecting changes in the pole alignment of the permanent magnet 404 relative to the angle sensor 402, and a connection cable 406. The angle sensor 402 can be particularly space-saving and compact, and can be installed or integrated in a simple manner in the frame members of the lower frame 210 or the upper frame 220.

Claims

1. A swing frame (120) for a vehicle seat (100), in particular a swing seat and / or a multi-purpose vehicle seat, comprising at least one lower frame (210) and connecting rods (202a, 202b), which are particularly swingable, are movable relative to the lower frame (210) and are coupled to the lower frame (210) at least at the lower connecting rod ends (202.1) via transverse rods (230 to 260), wherein at least one position detection device (400) for detecting a supposed relative position of the transverse rods (230 to 260) is arranged in the lower frame (210), and wherein the transverse rods (230 to 260) can move together about a rotation axis (252) during the movement of the connecting rods (202a, 202b).

2. The swing frame (120) according to claim 1, wherein the position detection device (400) is designed to determine a deflection of the connecting rods (202a, 202b) and / or a height of the vehicle seat (100), in particular a seat height, with reference to the detected relative position of the transverse rods (230 to 260).

3. The swing frame (120) according to claim 1 or 2, wherein the lower connecting rod ends (202.1) are connected to the transverse rod (250) to rotate therewith.

4. The swing frame (120) according to any one of claims 1 to 3, wherein the position detection device (400) is arranged in the lower frame (210) and / or in an articulation area (270) of the transverse rods (230 to 260) on the lower frame (210).

5. The swing frame (120) according to one of claims 1 to 4, wherein, At least one bearing element (300) is arranged in a cavity (212) of the lower frame (210), the bearing element including at least one bearing socket (302), and the transverse rods (230 to 260) are held in the bearing socket in a rotatably guided manner, wherein the position detection device (400) is arranged at an end of the cavity (212) of the lower frame (210) opposite to the bearing element (300).

6. The swing frame (120) according to any one of claims 1 to 5, wherein, The position detection device (400) includes at least one angle sensor (402), which is designed to detect an angular position of the transverse rods (230 to 260) as a relative position, and wherein a permanent magnet (404) interacting with the angle sensor (402) in particular is arranged on and / or in the transverse rods (230 to 260).

7. The swing frame (120) according to any one of claims 1 to 6, wherein, The transverse rods (230 to 260) include cavities (256) in which magnet carriers (408) are fastened.

8. The swing frame (120) according to one of claims 1 to 7, wherein the connecting rods (202a, 202b) are swingable, wherein the upper connecting rod ends (202.2) of the connecting rods (202a, 202b) are held on the upper frame (220) in a manner that is movably guided in the longitudinal direction (x) via sliding elements, and wherein, The height of the upper frame (220) relative to the lower frame (210) can be changed by the movement of the connecting rods (202a, 202b).

9. The swing frame (120) according to one of claims 1 to 8, comprising at least one pair of swingable linkages (202a, 202b) intersecting at a scissors axis (204), wherein the linkages (202a, 202b) are pivotable relative to each other about the scissors axis (204).

10. A vehicle seat, in particular a swing seat and / or a multi-purpose vehicle seat, having at least one seat part (102) and a swing frame (120) according to one of claims 1 to 9 connected to the seat part (102).

11. The vehicle seat (100) according to claim 10, wherein the swing frame (120) is a swingable scissors-type frame (200).

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