Mounting arrangement of a seating system on a floor of a vehicle body, in particular a motor vehicle, as well as vehicle

Abstract

Holding arrangement (1) of a seating system (2) comprising a seat section (6) and a backrest (8) on a floor (3) of a vehicle body, wherein the seat section (6) is coupled to the floor (3) via a lever arrangement (11) and is thereby movable, when the backrest (8) is folded relative to the floor (3), relative to the seat section (6) and in the direction of the seat section (6), from a first seating position (S1) to a first loading position (LS1) of the backrest (8) relative to the floor (3) forward in the longitudinal direction (12) of the vehicle and downward in the vertical direction (5) of the vehicle, and thereby from a second seating position (S2) to a second loading position (LS2) of the seat section (6), wherein the lever arrangement (11) comprises a first lever element (14) coupled to the floor (3) about a first pivot axis (SA1) extending in the transverse direction (10) of the vehicle and a lever element (14) pivotable relative to the floor (3) about a first pivot axis (SA1) extending relative to the floor (3) and a lever element (14) pivoted relative to the floor (3) about a first pivot axis (SA1) extending in the transverse direction (10) of the vehicle. spaced apart from the first pivot axis (SA1),The second pivot axis (SA2) extending in the transverse direction (10) of the vehicle is pivotable relative to the seat part (6) and has a second lever element (15) coupled to the seat part (6), which: , ◯ is coupled to the first lever element (14) about a third pivot axis (SA3) spaced apart from the first pivot axis (SA1) and from the second pivot axis (SA2), extending in the transverse direction (10) of the vehicle, and pivotable relative to the first lever element (14); and ◯ has a first length section (L1) via which the second lever element (15) is pivotably coupled to the seat section (6) about the second pivot axis (SA2) relative to the seat section (6) and pivotably coupled to the first lever element (14) about the third pivot axis (SA3) relative to the first lever element (14); characterized in that the second lever element (15) has a second length section (L2) extending obliquely or perpendicularly to the first length section (L1) and extending away from the third pivot axis (SA3), which can be supported at least indirectly on the floor (3) at least in the second seating position (S2) of the seat section (6) in the longitudinal direction (12) of the vehicle.

Description

[0001] The invention relates to a holding arrangement of a seat system on a floor of a body of a vehicle, in particular a motor vehicle, according to the preamble of patent claim 1. Furthermore, the invention relates to a vehicle, in particular a motor vehicle.

[0002] DE 10 2016 224 625 A1 discloses a known vehicle seat comprising a seat base and a cushion support for a seat part of the vehicle seat. The cushion support is adjustably mounted on the seat base for lowering at least a portion of the cushion support. Furthermore, DE 10 2007 036 676 B4 discloses a vehicle seat for supporting an occupant. US 2022 / 0 032 828 A1 discloses a vehicle seat. DE 10 2006 056 715 A1 discloses a vehicle seat.

[0003] Furthermore, a holding arrangement for a seat system having a seat part and a backrest on a floor of a body of the respective vehicle is known from BMW vehicles. The respective vehicle is, for example, the BMW X7 with the internal designation G07. In the holding arrangement, the seat part is coupled to the floor via a lever arrangement and can therefore be moved relative to the floor in the vehicle's longitudinal direction and downwards in the vehicle's vertical direction and thus from a second sitting position of the seat part into a second loading position of the seat part when the backrest is folded and thus pivoted relative to the floor and relative to the seat part and in the direction of the seat part from a first sitting position of the backrest into a first loading position of the backrest.In other words, when the backrest is folded from the first seating position to the first loading position and thereby folded onto the seat section, it is lowered downward in the longitudinal direction of the vehicle such that the seat section is moved forward in the longitudinal direction of the vehicle and downward in the vertical direction of the vehicle. This moves the seat section from the second seating position to the second loading position.As a result, for example, a backrest which points rearward in the vehicle's longitudinal direction in the first seating position of the backrest and whose backrest points upward in the vehicle's vertical direction in the first loading position of the backrest can be arranged at least substantially flush with a loading floor, in particular with a loading area of ​​the loading floor which points upward in the vehicle's vertical direction, wherein the loading floor or the loading area adjoins the backrest towards the rear in the vehicle's longitudinal direction and delimits, in particular directly, a storage space, for example at the rear, also referred to as the trunk, downwards in the vehicle's vertical direction. As a result, the backrest and the loading floor or the loading area form a very large overall loading floor in the first loading position of the backrest, which is at least substantially flat or level.

[0004] The object of the present invention is to further develop a holding arrangement and a vehicle with at least one holding arrangement of the type mentioned at the outset in such a way that a particularly high level of safety can be achieved in a particularly simple manner.

[0005] This object is achieved according to the invention by a holding arrangement having the features of patent claim 1 and by a vehicle having the features of patent claim 10. Advantageous embodiments of the invention are the subject of the dependent claims.

[0006] A first aspect of the invention relates to a holding arrangement of a seat system on a floor of a vehicle body, the interior of which, also referred to as the passenger cell or passenger compartment, is at least partially delimited downwards in the vertical direction of the vehicle by the floor. In particular, the body is a self-supporting body of the vehicle, which can be designed, for example, as a motor vehicle. In particular, the vehicle can be a motor vehicle, very particularly a passenger car. The body is also referred to as the shell or is a shell, so that the floor is a component of the shell, and therefore a shell component. People can be present in the interior while the vehicle is traveling.The seating system can be a bench that provides several seats for respective people, or the seating system can be an individual seat, also known as a vehicle seat, which provides exactly one seat for one person. Each person can sit on the respective seat and is therefore also referred to as the occupant or seat occupant. The seating system has a seat part on which the occupant can sit with their buttocks, for example, so that the occupant is supported on the seat part, particularly via their buttocks in the vertical direction of the vehicle, when the occupant is sitting on the seat of the seating system. When reference is made above and below to the person or occupant, this refers to the person sitting on the seat of the seating system, unless otherwise stated.For example, the seat part is or comprises a cushion support on which, for example, a seat cushion is supported downwards, in particular in the vertical direction of the vehicle. The seat cushion can be part of the seat part. Furthermore, the seat system has a backrest against which the occupant can lean their back when the occupant is sitting on the seat of the seat system. In the holding arrangement, the seat part is coupled to the floor via a lever arrangement and can therefore be moved from a first sitting position of the backrest into a first loading position of the backrest relative to the floor in the longitudinal direction of the vehicle and downwards in the vertical direction of the vehicle and can therefore be moved from a second sitting position of the seat part into a second loading position of the seat part when the backrest is folded, i.e. pivoted, relative to the floor and relative to the seat part and in the direction of the seat part.In other words, the backrest has, for example, a backrest surface that, in the first seating position of the backrest, faces forward in the longitudinal direction of the vehicle. Furthermore, the backrest has a rear side facing away from the backrest surface, which, for example, in the first seating position of the backrest faces rearward in the longitudinal direction of the vehicle and, for example, faces a rear storage compartment of the vehicle, also referred to as the trunk, whose storage compartment adjoins the backrest toward the rear in the longitudinal direction of the vehicle when the backrest is in the first seating position.If the backrest is now folded from the first sitting position into the first loading position relative to the seat part and relative to the floor and thus pivoted, the backrest is folded forward in the longitudinal direction of the vehicle in the direction of the seat part and in the process is folded towards the seat part, for example, in particular folded towards the seat part, so that in the first loading position of the backrest the backrest surface of the backrest points downwards in the vertical direction of the vehicle and faces the seat part, and so that in the first loading position of the backrest the rear side of the backrest points upwards in the vertical direction of the vehicle.For example, the aforementioned storage space is delimited, in particular directly delimited, downwards in the vertical direction of the vehicle by a loading floor, in particular by a loading area of ​​the loading floor, wherein the loading floor, in particular the loading area, adjoins the backrest, in particular the rear of the backrest, towards the rear in the longitudinal direction of the vehicle in the first loading position of the backrest. If the backrest is folded from the first seating position into the first loading position, the seat part is moved, in particular simultaneously, forwards in the longitudinal direction of the vehicle relative to the floor and downwards in the vertical direction of the vehicle and thus from the second seating position into the second loading position.This means that when the backrest is folded from the first seating position into the first loading position, the seat part is lowered relative to the floor and in the direction of the floor in such a way that the seat part is moved forward in the longitudinal direction of the vehicle and downward in the vertical direction of the vehicle.As a result, the backrest can be moved so far, in particular so deep, into the first loading position or, in the first loading position, the backrest can be arranged so low as viewed in the vehicle's vertical direction that, in the first loading position, the rear side of the backrest and the loading area of ​​the loading floor are arranged at least substantially flush with one another and / or adjoin one another as viewed in the vehicle's vertical direction, so that, for example, in the first loading position of the backrest, the rear side of the backrest and the loading area of ​​the loading floor form a particularly large, at least substantially flat or level overall loading floor or overall loading area. As a result, the overall loading area can be used particularly advantageously to arrange objects on the overall loading area and thus transport them.For example, the seat part is coupled to the backrest in such a way that folding the backrest from the first sitting position into the first loading position causes the seat part to move from the second sitting position into the second loading position. In this case, it is particularly conceivable for the seat part to move from the second sitting position into the second loading position to be accompanied at least partially simultaneously by the backrest being folded from the first sitting position into the first loading position. Thus, for example, the seat part can be moved from the second sitting position into the second loading position by folding the backrest from the first sitting position into the first loading position. If, for example, the backrest is folded from the first loading position into the first sitting position and thus pivoted and folded away from the seat part, the seat part is then moved from the second loading position back into the second sitting position.The seat part has a seat surface which, in the second seating position and preferably also in the second loading position, points upwards in the vertical direction of the vehicle. The occupant can sit with their buttocks on the seat surface. For example, in the first seating position of the backrest, the seat surface is arranged without overlapping with the backrest or the backrest surface when viewed upwards in the vertical direction of the vehicle, so that in the first seating position the seat surface is not overlapped upwards in the vertical direction of the vehicle by the backrest surface. In the first loading position, however, the seat surface is at least partially, in particular at least predominantly and thus at least more than half or completely, overlapped upwards in the vertical direction of the vehicle by the backrest surface, so that in the first loading position, for example, the seat part and the backrest are arranged at least partially one above the other when viewed vertically in the vehicle.

[0007] In order to be able to achieve a particularly high level of safety, in particular accident safety, in a particularly simple and therefore cost- and weight-effective manner, the invention provides that the lever arrangement has a first lever element, which is also referred to as the first lever. The first lever element is a first solid body and is rigid, and therefore dimensionally stable. The first lever element is at least indirectly, in particular directly, pivotably coupled to the floor in such a way that the first lever element is pivotably coupled to the floor about a first pivot axis running in the transverse direction of the vehicle. The lever arrangement also has a second lever element, which is provided in addition to the first lever element and is formed separately from the first lever element and is also referred to as the second lever.The second lever element is pivotally coupled to the seat part, at least indirectly, in particular directly, in such a way that the second lever element is pivotally coupled to the seat part about a second pivot axis spaced from the first pivot axis, extending in the transverse direction of the vehicle and thus parallel to the first pivot axis. If the seat part is lowered, thus moved from the second seating position to the first seating position, the first lever element is pivoted about the first pivot axis relative to the floor, and the second lever element is pivoted about the second pivot axis relative to the seat part.Furthermore, it is provided that the second lever element is coupled to the first lever element so as to be pivotable relative to the first lever element about a third pivot axis which is spaced apart from the first pivot axis and the second pivot axis and runs in the transverse direction of the vehicle and thus parallel to the first pivot axis and parallel to the second pivot axis. This means that the lever elements are coupled to one another so as to be pivotable relative to one another about the third pivot axis, so that when the seat part is lowered, thus moved from the second sitting position into the second loading position, and raised, thus moved from the second loading position into the second sitting position, the lever elements are pivoted relative to one another about the third pivot axis. The second lever element is a second solid body and is inherently rigid, i.e. dimensionally stable.

[0008] The second lever element has a first longitudinal region, via which the second lever element is coupled to the seat part so as to be pivotable about the second pivot axis relative to the seat part, and to the first lever element so as to be pivotable about the third pivot axis relative to the first lever element, such that the second pivot axis and the third pivot axis are arranged in the first longitudinal region or extend through the first longitudinal region, in particular in the transverse direction of the vehicle. In particular, it can be provided that the first longitudinal region extends in a straight line, in particular from the second pivot axis, in particular continuously, to the third pivot axis, thus extending along a straight line.

[0009] Furthermore, the second lever element has a second longitudinal region that extends obliquely or perpendicularly to the first longitudinal region, extends away from the third pivot axis, and extends, for example, straight, at least in a portion extending directly away from the third pivot axis, and thus along a second straight line that runs obliquely or perpendicularly to the first straight line. In particular, the straight lines extend in a common plane, which most particularly runs perpendicularly to the transverse direction of the vehicle.The second longitudinal region can be supported at least indirectly on the body, in particular on the floor, at least in the second seating position of the seat part in the vehicle longitudinal direction to the front, in particular in that the second longitudinal region or a part provided on the second longitudinal region is at least partially overlapped by an element which is at least indirectly, in particular directly, connected to the floor, at least in the second seating position in the vehicle longitudinal direction to the front.The feature that the second longitudinal region can be supported at least indirectly on the ground at least in the second sitting position of the seat part towards the front in the longitudinal direction of the vehicle is to be understood as meaning that, for example, in the second sitting position, a distance running in the longitudinal direction of the vehicle is provided between the element and the second longitudinal region or the part provided on the second longitudinal region, also referred to as the longitudinal part, which distance is overcome, for example, by a movement of the second longitudinal region towards the front in the longitudinal direction of the vehicle, so that the second longitudinal region or the part provided on the second longitudinal region and which can be moved along with the second longitudinal region is or is supported directly on the element towards the front in the longitudinal direction of the vehicle.The aforementioned movement of the second longitudinal region can be caused, for example, by a centrifugal force acting on the second longitudinal region and forward in the vehicle's longitudinal direction, which centrifugal force results, for example, from an accident or occurs during an accident. Furthermore, it is conceivable that even in the second seating position, the second longitudinal region or the part provided on the second longitudinal region rests directly against the element towards the front in the vehicle's longitudinal direction, so that even in the second seating position, the second longitudinal region or the part provided on the second longitudinal region is supported directly against the element towards the front in the vehicle's longitudinal direction and can therefore be supported. The aforementioned centrifugal force occurs, for example, in a vehicle accident, particularly in the form of a frontal impact or frontal collision, also referred to as a crash.Because the second length range and the second lever element can be or are supported at least indirectly on the floor at least in the second seating position in the longitudinal direction of the vehicle towards the front, an undesirable, excessive movement of the seat part forward in the longitudinal direction of the vehicle and downward in the vertical direction of the vehicle, which is guided by the lever arrangement, can be avoided, for example when the seat part is in the second seating position and a force such as the aforementioned centrifugal force acts on the seat part or on the lever arrangement towards the front.In other words, if, for example, an accident-related force acting forward in the vehicle's longitudinal direction acts on the seat part, the seat part is secured against excessive movement forward in the vehicle's longitudinal direction and downward in the vehicle's vertical direction by the second longitudinal region being supported at least indirectly on the floor in the second seating position forward in the vehicle's longitudinal direction.

[0010] The said element on which the second longitudinal region can be supported at least indirectly towards the front in the longitudinal direction of the vehicle, for example in such a way that the second longitudinal region or the part provided on the second longitudinal region can be supported directly on the element towards the front in the longitudinal direction of the vehicle, can be, for example, the first lever element which is coupled to the ground so as to be pivotable about the first pivot axis relative to the ground and is thereby connected to the ground at least indirectly, in particular directly.Because the second longitudinal region can be supported at least indirectly on the floor, at least in the second seating position, toward the front in the vehicle's longitudinal direction, a positive connection can be formed or is formed between the second longitudinal region and the floor, so that when, for example, a force acting on the seat part, particularly one caused by an accident and acting forward in the vehicle's longitudinal direction, acts on the seat part, the seat part can be positively secured against excessive forward movement in the vehicle's longitudinal direction and downward movement in the vehicle's vertical direction resulting from the force. This prevents unfavorable movement of the occupant, thus achieving a particularly high level of safety.The lever arrangement thus acts as an accident lock, also known as a crash lock. In the event of an accident and thus in the event of a force resulting from the accident acting forward in the vehicle's longitudinal direction and on the seat part, it secures and thus locks the seat part against excessive forward movement in the vehicle's longitudinal direction and downward in the vehicle's vertical direction. This high level of safety can be achieved with the invention at a lower cost and weight compared to conventional accident pendulums, also known as crash pendulums, so that the invention provides a particularly high level of safety in a simple, cost-effective, and lightweight manner.In particular, when the element is the first lever, the lever elements engage with each other at least in the second seating position, whereby the seat part can be effectively secured against undesired, excessive movement forward in the longitudinal direction of the vehicle and downward in the vertical direction of the vehicle, particularly in the event of an accident.

[0011] In a particularly advantageous embodiment of the invention, a support element protrudes from the second longitudinal region in the vehicle's transverse direction, extending, for example, straight and in the vehicle's transverse direction or obliquely to the vehicle's transverse direction. Thus, for example, the support element is the aforementioned part provided on the second longitudinal region. The support element allows the second longitudinal region to be supported at least indirectly on the ground, at least in the second seating position of the seat part, forward in the vehicle's longitudinal direction.As explained above, this can be achieved, for example, by providing a distance running in the longitudinal direction of the vehicle between the support element and the aforementioned element in the second seating position. If, for example, a force caused in particular by an accident acts on the seat part and in particular forwards in the longitudinal direction of the vehicle, the second longitudinal region and with it the support element are moved slightly forwards in the longitudinal direction of the vehicle. This bridges the distance, so that the support element subsequently comes into direct support contact with the element and is thus or will be supported directly on the element towards the front in the longitudinal direction of the vehicle. Alternatively, it is conceivable that even in the second seating position the support element is supported directly on the element towards the front in the longitudinal direction of the vehicle, whereby the seat part can be secured particularly advantageously against undesired, excessive movement.The support element enables effective, stable, cost-effective and weight-efficient support of the second longitudinal region on the ground, which particularly advantageously prevents excessive, accident-related movement of the seat part forward in the vehicle's longitudinal direction and downward in the vehicle's vertical direction.

[0012] In order to be able to support the second longitudinal region on the floor towards the front in the vehicle's longitudinal direction in a particularly cost-effective and lightweight manner, as well as in a particularly stable manner, a further embodiment of the invention provides that the support element overlaps the floor or the first lever element at least in the second sitting position of the seat part towards the front in the vehicle's longitudinal direction and can therefore be or is supported directly on the floor or the first lever element at least in the second sitting position of the seat part towards the front in the vehicle's longitudinal direction. This makes it possible to achieve stable, and therefore firm, support of the second longitudinal region on the floor via the support element. The aforementioned element is therefore, for example, the first lever element.

[0013] A further embodiment is characterized by a component formed separately from the base and separately from the lever elements, in particular from the lever arrangement, fixed to the base and provided in addition to the lever elements, which component is fixed to the base in particular in such a way that relative movements between the base and the component are prevented.

[0014] To achieve particularly stable support of the second longitudinal region and thus advantageously secure the seat part, it has proven particularly advantageous if the support element overlaps the component at least in the second seating position of the seat part toward the front in the vehicle's longitudinal direction and is thus directly supportable or supported on the component at least in the second seating position of the seat part toward the front in the vehicle's longitudinal direction. Thus, the component is the aforementioned element, which allows for firm and stable support of the second longitudinal region and advantageously secures the seat part in the second seating position.

[0015] A particular advantage of the invention is that support or supportability of the seat part forward in the vehicle's longitudinal direction is already provided in the second seating position, in order to prevent excessive, accident-related forward movement of the seat part in the vehicle's longitudinal direction. This support is also provided in the second seating position, even when neither the seat part nor the lever arrangement is subjected to a centrifugal force acting forward in the vehicle's longitudinal direction. In contrast, a conventionally provided accident pendulum, for example, only provides forward support of the seat part in the vehicle's longitudinal direction when the accident pendulum is subjected to a centrifugal force acting forward in the vehicle's longitudinal direction, for example due to an accident. Such a conventional accident pendulum can also achieve a high level of safety, but the invention can reduce the cost and weight of the holding arrangement compared to conventional solutions.

[0016] In order to be able to achieve a particularly high level of safety in a particularly simple, lightweight and cost-effective manner, a further embodiment of the invention provides that the first lever element is coupled to the component so that it can pivot about the first pivot axis relative to the component, whereby the first lever element is coupled to the floor via the component so that it can pivot about the first pivot axis relative to the ground. The component is therefore, for example, an assembly console, also simply referred to as a console, via which the first lever element is coupled to the floor. The component therefore preferably has a dual function: On the one hand, the component is used to pivotally couple the first lever element to the floor. On the other hand, the component is used to support the second longitudinal region towards the front in the longitudinal direction of the vehicle and thus to be able to achieve a particularly high level of accident safety.This ensures a particularly high level of accident safety in a particularly lightweight and cost-effective manner.

[0017] Preferably, the component is formed in one piece, thus consisting of a single piece. In other words, it is preferably provided that the component is not composed of several separate and interconnected parts, but rather the component is preferably formed in a single piece, thus forming a single piece, so that the component is designed as a single-piece, thus formed from a single piece and thus integral, thus integrally manufactured monoblock.

[0018] In order to be able to realize a particularly advantageous, firm and secure connection of the seat part to the floor, it is provided in a further embodiment of the invention that the lever arrangement has a third lever element which is coupled to the seat part, and thus connected, so as to be pivotable about the second pivot axis relative to the seat part. In addition, the third lever element is coupled to the floor so as to be pivotable about a fourth pivot axis running in the transverse direction of the vehicle and thus parallel to the first pivot axis, the second pivot axis and the third pivot axis, wherein the fourth pivot axis is spaced apart from the first pivot axis, the second pivot axis and the third pivot axis. In other words, the third lever element is connected at least indirectly to the floor in such a way that the third lever element is coupled to the floor so as to be pivotable about the fourth pivot axis relative to the floor.

[0019] It has proven particularly advantageous if the third lever element is coupled to the component so that it can pivot about the fourth pivot axis relative to the component, whereby the third lever element is coupled to the floor so that it can pivot about the fourth pivot axis relative to the floor via the component. Thus, the component is (also) used to connect the third lever element to the floor, allowing for a particularly high level of functional integration. This allows for a particularly high level of safety to be achieved in a particularly cost-effective and lightweight manner.

[0020] Finally, it has proven particularly advantageous if the first longitudinal region and the second longitudinal region are formed integrally with one another, thus from a single piece. Thus, it is preferably provided that the first longitudinal region and the second longitudinal region are not formed separately from one another and connected to one another, but rather the first longitudinal region and the second longitudinal region are preferably formed by a one-piece body, thus formed from a single piece, which is thus designed as a one-piece, thus formed from a single piece and thus integrally manufactured monoblock. This makes it possible to achieve a particularly high level of stability of the second lever element, so that a particularly high level of safety can be achieved in a particularly cost- and weight-effective manner.

[0021] A second aspect of the invention relates to a vehicle, preferably designed as a motor vehicle, in particular as a car and most particularly as a passenger car, which has at least one holding arrangement according to the first aspect of the invention. Advantages and advantageous embodiments of the first aspect of the invention are to be regarded as advantages and advantageous embodiments of the second aspect of the invention, and vice versa.

[0022] Further details of the invention will become apparent from the following description of a preferred embodiment with the accompanying drawings. In the drawings: Fig. 1 a first holding arrangement of a seat system on a floor of a body of a vehicle, wherein Fig. 1 serves to explain the background of the invention; Fig. 2 shows a partial schematic perspective view of a second holding arrangement of the seat part on the floor; Fig. 3 shows a further schematic perspective view of the holding arrangement according to Fig. 2; Fig. 4 shows a partial schematic side view of the second holding arrangement; Fig. 5 shows a further schematic perspective view of the second holding arrangement; and Fig. 6 shows a further schematic perspective view of the second holding arrangement.

[0023] In the figures, identical or functionally identical elements are provided with the same reference numerals.

[0024] Fig. 1 shows a detail in a schematic side view of a first holding arrangement 1' of a seat system 2 on a floor 3 of a vehicle, preferably designed as a motor vehicle, in particular as a motor vehicle and very particularly as a passenger car, whose interior 4, also referred to as the passenger compartment or passenger cell, is at least partially delimited downwards in the vertical direction of the vehicle by the floor 3. The vertical direction of the vehicle is illustrated by a double arrow 5. In particular while the vehicle is traveling, people can be present in the interior 4. The aforementioned structure is a self-supporting body, which is also referred to as a shell. The seat system 2 has a seat part 6, in particular with a seat surface 7. In addition, the seat system 2 has a backrest 8, in particular with a backrest surface 9, also simply referred to as a backrest surface.The backrest 8 is pivotable, in particular about a pivot axis RS extending in the transverse direction of the vehicle, relative to the floor 3 and relative to the seat part 6 between a first seating position S1 and a first loading position LS1 (. Fig. 4) pivotable. In order to fold the backrest 8 from the first seating position S1 into the first loading position LS1 and thus to pivot it, the backrest 8 is folded in the direction of the seat part 6 and in particular folded towards the seat part 6 or folded onto the seat part 6, so that in the first loading position LS1 the backrest surface 9 faces the seat surface 7, such that in the loading position LS1 the seat surface 7 is at least partially overlapped by the backrest surface 9 in the vertical direction of the vehicle. In Fig. 1, the vehicle transverse direction is illustrated by a double arrow 10. In Fig. 1, a first intermediate position Z1 of the backrest 8 is visible. The backrest 8 comes into the intermediate position Z1 when the backrest 8 is folded from the sitting position S1 into the loading position LS1 or vice versa from the loading position LS1 into the sitting position S1. When the backrest 8 is folded from the sitting position S1 into the loading position LS1, the seat part 6 is moved from a second sitting position S2 into a second loading position LS2 ( Fig. 4) is moved relative to the floor 3 in such a way that the seat part 6 is moved a little forward in the longitudinal direction of the vehicle and a little downward in the vertical direction of the vehicle, and is thus lowered. For this purpose, a lever arrangement 11' is provided in the first holding arrangement 1', by means of which the seat part 6 is movably guided between the seating position S2 and the loading position LS2, in particular relative to the floor 3. In the seating position S1 and in the seating position S2 associated with the seating position S1, a person, also referred to as an occupant or seat occupant, can sit on the seating system 2, thus on a seat provided by the seating system 2, in such a way that the person sits with their buttocks on the seat part 6, in particular on the seat surface 7, and that the person leans their back against the backrest 8, in particular against the backrest surface 9.In the seating position S1, the backrest surface 9 faces forward in the longitudinal direction of the vehicle, with the longitudinal direction of the vehicle being indicated by a double arrow 12. In the seating position S2, the seat surface 7 faces upward in the longitudinal direction of the vehicle. A rear side of the backrest 8 facing away from the backrest surface 9 is designated by 13. In . Fig. 1, Z2 denotes a second intermediate position of the seat part 6, which comes into the second intermediate position Z2 when the seat part 6 is moved from the second sitting position S2 into the second loading position LS2 or vice versa.

[0025] For example, the vehicle has in its interior 4 at least or exactly three rows of seats arranged one behind the other in the longitudinal direction of the vehicle, namely a first row of seats, a second row of seats following the first row of seats towards the rear in the longitudinal direction of the vehicle, and a third row of seats following the second row of seats towards the rear in the longitudinal direction of the vehicle, with the seating system 2, for example, being arranged in the third row of seats. In particular, in the loading positions LS1 and LS2, the seating system 2 assumes a stowed position in which the seating system 2 is stowed in a space-saving manner. For example, in the stowed position of the seating system 2, a loading area of ​​a loading floor adjoins the rear side 13 towards the rear in the longitudinal direction of the vehicle, with the loading area delimiting a rear storage space of the vehicle, also referred to as the trunk, downwards in the vertical direction of the vehicle, in particular directly.Since the seat part 6 is lowered when the backrest 8 is folded into the loading position LS1, the backrest 8 can be arranged so low in the loading position LS1, viewed in the vehicle's vertical direction, that the loading area adjoins the rear side 13 at least substantially flush with the rear side in the vehicle's longitudinal direction towards the rear. In particular, it is provided that in the stowed position of the seat system 2, the rear side 13 and the loading area are arranged in a common plane, which runs in particular perpendicular to the vehicle's vertical direction. As a result, the loading area and the rear side 13 in the stowed position of the seat system 2 form a particularly large, in particular at least substantially flat or level overall loading floor, on which objects to be transported can be arranged.

[0026] Overall, it can be seen that in the holding arrangement 1' the seat part 6 is coupled to the floor 3 via the lever arrangement 11' and is thereby movable or is moved when the backrest 8 is folded relative to the floor 3 and relative to the seat part 6 and in the direction of the seat part 6 from the first sitting position S1 into the first loading position LS1 of the backrest 8 relative to the floor 3 in the vehicle longitudinal direction forwards and in the vehicle vertical direction downwards and thereby from the second sitting position S2 into the second loading position LS1 of the seat part 6.

[0027] Fig. 2 to 6 show a second holding arrangement 1 of the seat system 2 on the floor 3. As will be explained in more detail below, a particularly high level of safety can be achieved with or by means of the holding arrangement 1 in a particularly simple, lightweight and cost-effective manner. In the second holding arrangement 1, a lever arrangement 11 is provided instead of the lever arrangement 11', wherein in the holding arrangement 1 too, the seat part 6 is coupled to the floor 3 via the lever arrangement 11 and can thus be moved forward in the vehicle longitudinal direction and downward in the vehicle vertical direction relative to the floor 3 when the backrest 8 is folded relative to the floor 3 and relative to the seat part 6 and in the direction of the seat part 6, and can thereby be moved from the first seating position S1 into the first loading position LS1 relative to the floor 3 and from the second seating position S2 into the second loading position LS2.

[0028] The lever arrangement 11 differs in particular from the lever arrangement 11' in that the lever arrangement 11 has a first lever element 14 which is coupled to the floor 3 so as to be pivotable about a first pivot axis SA1 running in the vehicle transverse direction and parallel to the vehicle transverse direction. Furthermore, the lever arrangement 11 has a second lever element 15 which is provided in addition to the lever element 14 and is formed separately from the lever element 14 and which is coupled to the seat part 6 so as to be pivotable about a second pivot axis SA2 relative to the seat part 6. The pivot axis SA2 runs in the vehicle transverse direction and parallel to the vehicle transverse direction, wherein the pivot axis SA2 is spaced from the pivot axis SA1 and runs parallel to the pivot axis SA1.Furthermore, the lever elements 14 and 15 are coupled to one another so as to be pivotable relative to one another about a third pivot axis SA3, the third pivot axis SA3 running in the vehicle transverse direction and thereby parallel to the vehicle transverse direction, the pivot axis SA3 being spaced from the pivot axis SA1 and from the pivot axis SA2, and the pivot axis SA3 running parallel to the pivot axis SA1 and parallel to the pivot axis SA2. At least in the second seating position S2 of the seat part 6, the pivot axis SA3 is arranged further up in the vehicle vertical direction than the pivot axis SA1, and at least in the second seating position S2, the second pivot axis SA2 is arranged further up in the vehicle vertical direction than the third pivot axis SA3 and thus than the first pivot axis SA1.

[0029] The second lever element 15 has a first length range L1, over which the second lever element 15 is pivotable about the second pivot axis SA2 relative to the seat part 6 and pivotable about the third pivot axis SA3 relative to the first lever element 14 and coupled to the first lever element 14. This means that both the pivot axis SA2 and the pivot axis SA3 are arranged in the first length range L1 or extend through the length range L1. Furthermore, the second lever element 15 has a second length range L2, which in this case extends obliquely to the first length range L1.The second longitudinal region L2 extends away from the third pivot axis SA3, in particular, for example, in such a way that in the second sitting position S2 of the seat part 6, the second longitudinal region L2 extends downwards in the vertical direction of the vehicle and / or in the direction of the floor 3 away from the third pivot axis SA3 and in particular away from the longitudinal region L1. As will be explained in more detail below, the second longitudinal region L2 can be supported at least indirectly on the floor 3 towards the front in the longitudinal direction of the vehicle, at least in the second sitting position S2 of the seat part 6. For this purpose, in the case of the seat shown in . Fig. 2 to 6, the length range L2 is a particularly good Fig. 5, a support element 19 is provided, which extends in the vehicle transverse direction away from the second longitudinal region L2 and thus protrudes from the second longitudinal region L2 in the vehicle transverse direction. Via the support element 19, the second longitudinal region L2 can be supported at least indirectly on the floor in the vehicle longitudinal direction, at least in the second seating position S2. Fig. 6 shows that the lever arrangement 11 has a further lever element 14' and a further lever element 15', wherein the lever elements 15 and 15' are of identical construction, and wherein the lever elements 14 and 14' are of identical construction. Thus, the previous and following explanations regarding the lever element 14 can easily be applied to the lever element 14', and the previous and following explanations regarding the lever element 15 can easily be applied to the lever element 15'. Thus, the lever element 15' also has a first length range L1 and a second length range L2, wherein the previous and following explanations regarding the length ranges L1 and L2 of the lever element 15 can easily be applied to the length ranges L1 and L2 of the lever element 15'.The lever elements 14 and 14' are connected to one another via a first connecting element 16, and the lever elements 14 and 14' are connected to one another via a second connecting element 17. As a result, the lever elements 14 and 14' and the connecting elements 16 and 17 form a first overall lever 18, which has particularly high stability and is coupled to the base 3 so as to be pivotable about the pivot axis SA1 relative to the base 3, i.e., is connected to the base 3. In the case shown in . Fig. In the embodiment shown in Figures 2 to 6, the support element 19 is a third connecting element, via which the length ranges L2 of the lever elements 15 and 15', and thus the lever elements 15 and 15', are connected to one another. As a result, the lever elements 15 and 15' and the support element 19 form a second overall lever 20, which is coupled to the seat part 6 so as to be pivotable about the second pivot axis SA2 relative to the seat part 6. Thus, the lever elements 14 and 14' can be pivoted simultaneously about the pivot axis SA1 relative to the floor 3. The lever elements 15 and 15' can be pivoted simultaneously about the pivot axis SA2 relative to the seat part 6. In other words, the lever elements 14 and 14' are firmly connected to one another via the connecting elements 16 and 17, such that relative movements between the lever elements 14 and 14' are prevented.The lever elements 15 and 15' are firmly connected to one another via the support element 19, such that relative movements between the lever elements 15 and 15' are prevented. The support element 19 functions as a connecting element, which is connected both to the lever element 15, in particular to the length range L2 of the lever element 15, and to the lever element 15', in particular to the length range L2 of the lever element 15'. Thus, the support element 19 also protrudes from the length range L2 of the lever element 15' in the transverse direction of the vehicle. The support element 19 extends continuously in the transverse direction of the vehicle, i.e., without interruption, from the length range L2 of the lever element 15 to the length range L2 of the lever element 15', or vice versa. In the present case, the support element 19 extends continuously and straight from one of the length ranges L2, thus in a straight line, to the other length range L2.The respective connecting element 16, 17 also extends continuously and thus uninterruptedly from the lever element 14 to the lever element 14' or vice versa, in this case such that the respective connecting element 16, 17 extends straight, i.e., rectilinearly, from the lever element 14 to the lever element 14' or vice versa. This ensures a rigid and secure connection of the seat part 6 to the floor 3.

[0030] In the Fig. In the embodiment shown in Figures 2 to 6, the holding arrangement 1 comprises a component 21 formed separately from the base 3 and separately from the lever arrangement 11, and thus separately from the lever elements 14, 14', 15, 15', separately from the support element 19, and separately from the connecting elements 16, 17, which is designed as a fastening bracket, also referred to simply as a bracket. The component 21 is fixed to the base 3 in such a way that relative movements between the base 3 and the component 21 are prevented. This is particularly well Fig. 4. Particularly good Fig. 5 it can be seen that the support element 19 at least in the Fig. 5, is overlapped forwards in the vehicle longitudinal direction by the respective longitudinal region L2 and / or by the component 21, so that the support element 19 can be supported or is supported directly on the respective longitudinal region L2 and / or on the component 21, at least in the second seat position S2, in the vehicle longitudinal direction. This allows a firm support of the longitudinal region L2 to be realized, so that, for example, when, in particular as a result of a frontal impact of the vehicle, a force, for example in the form of a centrifugal force, acts on the seat part 6 and forwards in the vehicle longitudinal direction, an excessive, undesirable movement of the seat part 6 forwards in the vehicle longitudinal direction and downwards in the vehicle vertical direction, guided by the lever arrangement 11, can be avoided. Fig. 2 and Fig. 3 it can be seen that when the seat part 6 is moved from the second seating position S2 into the second loading position LS2 relative to the floor 3, the lever elements 14 and 15 are moved relative to one another about the third pivot axis SA3 in such a way that, for example, the lever element 15 is pivoted about the pivot axis SA3 relative to the lever element 14 in a first pivot direction indicated by an arrow 22. The first pivot direction indicated by the arrow 22 runs about the pivot axis SA3. In this case, the longitudinal region L2 and with it the support element 19 are also pivoted in the second pivot direction relative to the lever element 14 and, in the process, backwards and upwards in the vehicle's longitudinal direction, in particular starting from the second seating position S2. Furthermore, it can be seen from the figures, in particular from Fig. 6, that the support element 19 is arranged further down than the pivot axis SA3, at least in the second seating position S2 in the vehicle's vertical direction. Since the support element 19 can be supported or is supported directly on the component 21 and / or on the lever element 14, at least in the second seating position S2, in the vehicle's longitudinal direction, towards the front, a pivoting movement of the lever element 15 resulting, for example, from the aforementioned force, such that the lever element 15 is pivoted, for example due to an accident, about the pivot axis SA3 in a second pivot direction relative to the lever element 14, illustrated by an arrow 23, running about the pivot axis SA3 and opposite the first pivot direction, can be avoided, whereby an excessive, accident-related movement of the seat part 6 forward in the vehicle's longitudinal direction and / or downward in the vehicle's vertical direction can be avoided.

[0031] The loading positions LS1 and LS2 of the backrest 8 and the seat part 6 are particularly well Fig. 4. In the present case, the lever elements 14, 14', 15 and 15' are each formed in one piece. The component 21, also referred to as the structural element, is also formed in one piece. As can be seen from Fig. As can be seen from Figures 2 to 6, the lever arrangement 11 has, in addition to the lever elements 14, 14', 15, and 15', third lever elements 24, which are explained below with reference to one of the lever elements 24. The previous and following explanations regarding one lever element 24 can also be readily applied to the other lever element 24, and vice versa. The lever element 24 is coupled to the seat part 6 so as to be pivotable about the second pivot axis SA2 relative to the seat part 6. Furthermore, the lever element 24 is pivotally coupled to the floor 3 about a fourth pivot axis SA4 running in the transverse direction of the vehicle, spaced apart from the first pivot axis SA1, the second pivot axis SA2 and the third pivot axis SA3, and running parallel to the pivot axes SA1, SA2 and SA3, in the present case such that the third lever element 24 is pivotally coupled to the component 21 about the fourth pivot axis SA4 relative to the component 21.As a result, the third lever element 24 is pivotally coupled to the base 3 through the intermediary of the component 21 about the fourth pivot axis SA4 relative to the base 3. In . Fig. 4, the third lever element 24 is shown transparently so that the overall lever 20 arranged behind it can be seen. List of reference symbols 1, 1' holding arrangement 2 seating systems 3 Floor 4 Interior 5 double arrow 6 Seat part 7 Seat 8 Backrest 9 backrest area 10 Double arrow 11, 11' lever arrangement 12 double arrow 13 Back 14, 14' first lever element 15, 15' second lever element 16 Connecting element 17 Connecting element 18 first total lever 19 Support element 20 second total lever 21 component 22 Arrow 23 Arrow 24 third lever element L1 first length range L2 second length range LS1 first loading position LS2 second loading position RS swivel axis S1 first sitting position S2 second sitting position SA1 first swivel axis SA2 second swivel axis SA3 third swivel axis SA4 fourth swivel axis Z1 first intermediate position Z2 second intermediate position

Claims

[1] Holding arrangement (1) of a seat system (2) comprising a seat part (6) and a backrest (8) on a floor (3) of a vehicle body, in which the seat part (6) is coupled to the floor (3) via a lever arrangement (11) and is thereby movable, when the backrest (8) is folded relative to the floor (3), relative to the seat part (6) and in the direction of the seat part (6), from a first sitting position (S1) into a first loading position (LS1) of the backrest (8) relative to the floor (3) forwards in the vehicle longitudinal direction (12) and downwards in the vehicle vertical direction (5) and thereby from a second sitting position (S2) into a second loading position (LS2) of the seat part (6), wherein the lever arrangement (11) comprises a first lever element which is coupled to the floor (3) so as to be pivotable about a first pivot axis (SA1) running in the vehicle transverse direction (10) relative to the floor (3). (14) and a pivoting element (16) which is spaced apart from the first pivot axis (SA1),in the vehicle transverse direction (10), second pivot axis (SA2) extending relative to the seat part (6) pivotally coupled to the seat part (6), second lever element (15) which:, ◯ is coupled to the first lever element (14) so ​​as to be pivotable relative to the first lever element (14) about a third pivot axis (SA3) spaced from the first pivot axis (SA1) and the second pivot axis (SA2) and extending in the vehicle transverse direction (10); and ◯ has a first length range (L1) over which the second lever element (15) is coupled to the seat part (6) so as to be pivotable about the second pivot axis (SA2) relative to the seat part (6) and to the first lever element (14) so ​​as to be pivotable about the third pivot axis (SA3) relative to the first lever element (14); characterized byin that the second lever element (15) has a second longitudinal region (L2) which runs obliquely or perpendicularly to the first longitudinal region (L1) and extends away from the third pivot axis (SA3), which second longitudinal region (L2) can be supported at least indirectly on the floor (3) at least in the second seating position (S2) of the seat part (6) in the vehicle longitudinal direction (12) to the front. [2] Holding arrangement (1) according to claim 1, characterized by that a support element (19) projects from the second longitudinal region (L2) in the vehicle transverse direction (10), via which support element the second longitudinal region (L2) can be supported forwards on the floor (3) in the vehicle longitudinal direction (12) at least in the second seating position (S2) of the seat part (6). [3] Holding arrangement (1) according to claim 2, characterized bythat the support element (19) overlaps the floor (3) or the first lever element (14) at least in the second seating position (S2) of the seat part (6) in the vehicle longitudinal direction (12) towards the front and can therefore be supported directly on the floor (3) or the first lever element (14) at least in the second seating position (S2) of the seat part (6) in the vehicle longitudinal direction (12). [4] Holding arrangement (1) according to one of the preceding claims, characterized by a component (21) formed separately from the base (3) and separately from the lever elements (14, 15), fixed to the base (3) and provided in addition to the lever elements (14, 15). [5] Holding arrangement (1) according to claim 4 in its reference to claim 2 or 3, characterized bythat the support element (19) overlaps the component (21) at least in the second seating position (S2) of the seat part (6) in the vehicle longitudinal direction (12) towards the front and can therefore be supported directly on the component (21) at least in the second seating position (S2) of the seat part (6) in the vehicle longitudinal direction (12). [6] Holding arrangement (1) according to claim 4 or 5, characterized by that the first lever element (14) is coupled to the component (21) so as to be pivotable about the first pivot axis (SA1) relative to the component (21), whereby the first lever element (14) is coupled to the base (3) so as to be pivotable about the first pivot axis (SA1) relative to the base (3) through the intermediary of the component (21). [7] Holding arrangement (1) according to one of the preceding claims, characterized byin that the lever arrangement (11) has a third lever element (24) which is coupled to the seat part (6) so as to be pivotable about the second pivot axis (SA2) relative to the seat part (6) and is coupled to the floor (3) so as to be pivotable about a fourth pivot axis (SA4) running in the transverse direction (10) of the vehicle and spaced apart from the first pivot axis (SA1), the second pivot axis (SA2) and the third pivot axis (SA3) relative to the floor (3). [8] Holding arrangement (1) according to claims 6 and 7, characterized by that the third lever element (24) is coupled to the component (21) so as to be pivotable about the fourth pivot axis (SA4) relative to the component (21), whereby the third lever element (24) is coupled to the base (3) so as to be pivotable about the fourth pivot axis (SA4) relative to the base (3) through the intermediary of the component (21). [9] Holding arrangement (1) according to one of the preceding claims, characterized bythat the first length region (L1) and the second length region (L2) are formed integrally with one another. [10] Vehicle, with at least one holding arrangement (1) according to one of the preceding claims.

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