DE102012012358A1 - Adapter for seat structure in motor vehicle e.g. passenger car, has seat frame that is provided with tolerance-compensating unit in order to enable tolerance compensation for motor vehicle seat structure - Google Patents

Abstract

The seat adapter (30) has a seat frame (35) for height adjustment of a motor vehicle seat structure (110) which is fastened at a motor vehicle bottom portion (51). The seat frame is provided with a tolerance-compensating unit (60) in order to enable tolerance compensation for the motor vehicle seat structure. The seat frame is provided with a crash backup portion (49). Independent claims are included for the following: (1) a seat structure; (2) a seat device; (3) a motor vehicle; (4) a method for assembling seat structure in motor vehicle; and (5) a method for manufacturing seat adapter.

Description

The invention relates to a seat adapter for a motor vehicle seat according to claim 1.

Furthermore, the invention relates to a motor vehicle seat for a motor vehicle according to claim 7.

The invention also relates to a seat device according to claim 8.

Furthermore, the invention relates to a motor vehicle according to claim 12.

In addition, the invention relates to a method for mounting a motor vehicle seat in a motor vehicle according to claim 13.

Last but not least, the invention relates to a method for producing a seat adapter according to claim 15.

Vehicle seats, especially rear vehicle seats we rear seats are well known. In a known solution, a seat structure is fastened directly to a motor vehicle floor, the floor being specially designed or shaped for this purpose. In this case, both the backrest and the seat and possibly other connection devices such as a baby seat connection, a belt connection and the like are arranged on the floor.

From the WO 2011/163248 is a frame for a motor vehicle seat known. The frame is known for connection to a motor vehicle floor.

It is an object of the present invention to provide an improved seat adapter, a motor vehicle seat, a seat assembly, a motor vehicle and methods therefor which allow for simplified assembly and more flexible deployment.

These and other objects are based on a seat adapter according to claim 1, a motor vehicle seat according to claim 7, a seat device according to claim 8, a motor vehicle according to claim 12, a method according to claim 13 and a method according to claim 15 in conjunction with the Characteristics solved. Advantageous developments of the invention are specified in the dependent claims.

The invention includes the technical teaching that in a seat adapter for a motor vehicle seat, in particular a seat adapter for a rear rear seat of a motor vehicle, for fastening the motor vehicle seat to a motor vehicle floor, comprising a seat frame for height adjustment of the motor vehicle seat to the motor vehicle floor, is provided that the Frame has tolerance compensation means to allow tolerance compensation for the vehicle seat. For connection or attachment of at least one motor vehicle seat to the motor vehicle floor, a seat adapter is provided. In this way, a vehicle floor, at least in the area in which the motor vehicle seat is to be arranged, always form the same. The connection can be made differently via the seat adapter. For example, the motor vehicle seat can be arranged movably on the motor vehicle floor via a corresponding seat adapter. Preferably, the seat adapter is fixedly connected to the motor vehicle floor. Accordingly, the seat adapter is preferably designed as a seat frame. The seat frame is preferably designed as a frame construction with a plurality of truss-like carriers. For connection to the motor vehicle floor, the seat frame has corresponding feet or the like. These can be connected via suitable connecting means with the motor vehicle floor. For example, the feet are connected via screw connections, rivet connections and the like to the motor vehicle floor. The connected with the feet further support structure has a receptacle for a seat structure. The receptacle provides for two approximately parallel to each other in the transverse direction extending support tubes having a surface for receiving a seat portion of a seat structure. Accordingly, the seat part rests on this support structure. At a rear end, that is viewed on a rear support in a vehicle longitudinal direction, a receptacle for a backrest structure of the seat structure is arranged. To compensate for assembly of the individual components of the support structure tolerances in manufacturing or other tolerances, the seat frame tolerance compensation means. These are in addition to any connecting means and allow for adjustment of components in the range of up to a few millimeters or even a few centimeters. The tolerance compensation takes place in one embodiment in a transverse direction, that is along an extension direction of the two carriers. In another embodiment, the tolerance compensation takes place in a vehicle longitudinal direction. Yet another embodiment is in any other direction. The tolerance means are designed for a translatory and / or rotational tolerance compensation. The tolerance adjustment is reversible and / or irreversible. The tolerance compensation means can be arranged anywhere on the seat frame.

In one embodiment it is provided that the tolerance compensation means Include motor vehicle seat side compensating means with a receptacle for the motor vehicle seat. That is, the tolerance compensation means are associated with a male automotive seat. In another embodiment, the vehicle-side tolerance compensation means for a tolerance compensation between the seat frame and a motor vehicle structure, such as the motor vehicle floor, formed. Preferably, the tolerance compensation means are formed on a component, on and / or with which the motor vehicle seat is arranged on the seat frame. In particular, the compensating means are formed as a receptacle for a backrest structure. In another embodiment, the compensating means are formed as a receptacle for the seat structure or the seat part.

One embodiment provides that the motor vehicle seat-side compensating means comprise at least one compensating hinge, which is arranged on the seat frame. Preferably, the compensation means for the backrest structure are formed. In order to form a backrest hinged relative to a seat part, the backrest structure is hingedly mounted on a hinge or the like. The hinge is preferably arranged on the seat frame. In particular, the hinge is designed as a compensating hinge with which not only a pivotable or hinged mounting of the backrest structure is made possible, but can be compensated with the additional tolerances. Thus, the balancing means and the hinge or hinges are integrally formed.

In another embodiment, it is therefore provided that the compensation hinge is formed at least in two parts in order to realize a tolerance compensation. The two parts can be arranged differently for a tolerance compensation or connect to each other. One part is arranged on the seat frame side, for example on the rear support. The other part is arranged on the vehicle seat side. In particular, the two parts are movable relative to each other, in particular rotatable and / or displaceable or extendable. In order to ensure a safe operation, the two parts are releasably connected together in one embodiment. In another embodiment, the two parts are permanently connected to one another, at least after a tolerance compensation has been carried out. The non-detachable connection takes place, for example, cohesively via a welded and / or adhesive connection. A solution with more than two parts is also feasible.

In one embodiment, it is provided that the seat frame has a crash safety device with which the seat adapter can be secured on the motor vehicle side. In order to ensure a secure connection or connection of the seat adapter and / or the seat frame with the vehicle structure, a corresponding crash protection is provided, which holds the seat frame and / or the seat adapter securely in the event of an accident in position. In this case, the crash safety device is designed for attachment to the motor vehicle structure, in particular on the motor vehicle floor. The crash safety device is designed, for example, as a sheet metal part, which is arranged on a support of the seat frame and can be detachably and / or permanently connected to the motor vehicle floor. Preferably, the crash safety system is inseparable, for example via rivets, gluing, welding and the like connected to the motor vehicle floor. In one embodiment, the crash safety device is firmly connected to the motor vehicle floor and hung on the seat frame. In another embodiment, the crash safety device is firmly connected to the seat frame and suspended in a corresponding receptacle in the motor vehicle floor. In other embodiments, the crash safety device is connected to other supporting structures of the motor vehicle.

Yet another embodiment provides that at least one further attachment element is arranged on the seat frame. In one embodiment, a plurality of attachment elements are arranged on the seat frame. For example, connecting elements are designed as belts, belt buckles, baby seat belts, plug-in possibilities for accessories and / or other adapters or connecting elements, which increase comfort.

In addition, the invention includes the technical teaching that is provided in a motor vehicle seat for a motor vehicle, in particular a rear rear seat of a motor vehicle, comprising a seat structure and a mounting option for fastening the motor vehicle seat to a motor vehicle floor, that the mounting option designed as a seat adapter described above is. The motor vehicle seat is preferably designed as a back seat, in particular as a split rear seat, for example in a ratio of 60:40, 50:50 and the like. The rear seat or the motor vehicle seat comprises a seat structure on which a padding or the like is arranged. The seat structure comprises the backrest structure and the seat part, which are preferably hinged to each other. In this case, the backrest structure is preferably hinged about the compensating hinge. The divided backrest structure can thus also be folded to a part, while the other part is separately foldable or unfolded, and is, for example, unclipped.

The invention also includes the technical teaching that in a seat device, in particular a motor vehicle seat arrangement in an interior of a vehicle, comprising a Interior limitation and a seat, it is provided that the seat is designed as a motor vehicle seat described above. The motor vehicle seat is arranged on the seat frame or its feet on the motor vehicle floor. For this purpose, corresponding connection or connection points are formed on the motor vehicle floor, which are essentially the same or at least predominantly the same for a plurality of different seat adapters. In this case, the attachment points in particular comprise openings, for example bores, threaded bores and the like. In addition, in one embodiment, the attachment sites on material reinforcements and / or reinforced materials. About these connection points, the seat frame is connected to the motor vehicle floor.

In one embodiment, it is provided that the seat structure has a backrest structure, which is arranged rotatably around the compensating hinge. In this way, the backrest structure is hinged relative to the seat part. In this case, tolerances, in particular manufacturing tolerances on the compensation possibility in any direction can be compensated. The seat structure includes the backrest structure and the seat portion.

Yet another embodiment provides that the interior boundary comprises at least one lateral boundary, which has securing elements for securing the backrest structure. In order to securely hold the backrest structure at least in a use position, this is arranged laterally on the interior boundary. The interior boundary comprises not only the motor vehicle floor but also a lateral cladding, lateral body sections, wheel arches and the like. So that the backrest structure is securely held, cup-shaped depressions are preferably provided laterally as securing elements, in which corresponding, complementary connecting parts of the backrest structure can engage. For example, the pot-like depressions are designed as locks or the like, so that unintentional release is prevented. Corresponding recesses are preferably provided on both sides of the backrest structure, so that both backrest structure parts are held laterally.

In addition, an embodiment provides that the interior boundary has a motor vehicle floor, which has attachment areas for attachment of different adapters. The motor vehicle floor is always the same for different motor vehicle seats. Different motor vehicle seats can be connected to the motor vehicle floor via different seat adapters. The motor vehicle floor preferably has attachment areas, connection points, connection points, attachment points and the like. These are formed, for example, as through holes, holes, blind holes, latching mechanisms, eyelets, material reinforcements and the like. The connection points for different seat configurations are essentially the same, so that a uniform motor vehicle floor is always provided for different solutions.

The invention also includes the technical teaching that, in a motor vehicle, in particular a passenger vehicle, comprising at least one seat device, it is provided that the at least one seat device is designed as a seat device described above. The vehicle is designed, for example, as a sedan, station wagon, off-road vehicle, minibus, VAN, minivan, SUV or the like. The seat device is preferably designed as a rear seat device.

In addition, the invention includes the technical teaching that is provided in a method for mounting a motor vehicle seat in a motor vehicle, in particular for mounting a rear motor vehicle seat in a motor vehicle interior, comprising the step providing a motor vehicle seat described above, that the seat adapter attached to the motor vehicle floor and the seat structure is attached to the seat adapter. The seat frame is manufactured in a first step. Any tolerances occurring, for example, manufacturing tolerances are compensated by the tolerance compensation means. The tolerances are compensated in one embodiment prior to installation in the motor vehicle, for example on the basis of a teaching. In another embodiment, the tolerances are compensated after assembly in the motor vehicle. The seat frame is connected to the motor vehicle floor. In particular, the feet are connected to the motor vehicle floor at the corresponding connection points. The connection is made detachable and / or insoluble, depending on the requirement. Thereafter, the vehicle seat is connected to the seat adapter. For this purpose, the seat part is connected to the corresponding receptacle of the seat frame. Thereafter, the backrest structure is connected to the seat frame. The backrest is connected to the hinge of the seat frame accordingly.

In one embodiment, it is correspondingly provided that a tolerance compensation is carried out before the attachment of the seat structure. For this purpose, mutually movable parts are moved relative to each other until a tolerance is balanced. The corresponding parts are locked or fixed after tolerance compensation. The fixing is preferably carried out insoluble, in particular by means of welding, gluing, riveting and the like.

Last but not least, the invention includes the technical teaching that it is provided in a method for producing a seat adapter described above, that at least one tolerance compensation means is arranged on a seat frame. Preferably, the seat frame is designed to be immovable. That is, the carrier and cross struts and the feet are configured as a truss or support structure immovable. For tolerance compensation, tolerance compensation means are additionally provided. These are formed at least in two parts, so that the parts are movable relative to each other and then can be fixed or locked.

Further, the invention improving measures are given in the dependent claims or will become apparent from the following description of embodiments of the invention, which are shown schematically in the figures. For identical or similar components or features uniform reference numerals are used. Features or components of various embodiments may be combined to provide other embodiments. All resulting from the claims of the description or drawings features and / or advantages including design details, spatial arrangement and method steps may be essential to the invention for themselves as well as in a variety of combinations.

Show it:

1 1 is a schematic perspective view of an embodiment of a seat device in an interior of a motor vehicle;

2 schematic in a perspective view of the embodiment according to 1 without an interior limitation,

3 schematically a perspective view of a seat adapter of the embodiment according to 1 .

4 schematically in another perspective view of the seat adapter according to 3 .

5 schematically in a perspective view an enlarged section of the seat adapter according to 4 with a crash safety device and a tolerance compensation device,

6 schematically in a perspective view of another enlarged section of the seat adapter according to 4 .

7 schematically in a perspective view an enlarged section of the seat according to 1 with a backrest structure arranged on the tolerance compensation means,

8th schematic in a perspective view a section of the seat adapter according to 4 with a detailed representation of the tolerance compensation means and

9 schematically in a perspective exploded view of the tolerance compensation means according to 8th .

The 1 to 9 show an embodiment of a seat device 100 of a motor vehicle shown here only partially 1 , The seat device 100 includes a seat structure 5 , from here only the backrest structure 10 is shown. A seat part of the seat structure 5 omitted for reasons of better representability of a seat adapter arranged underneath 30 , In addition, the seat assembly includes 100 the seat adapter 30 on which the seat structure 5 is arranged. Further, the seat assembly includes 100 an interior limitation 50 , The seat structure 5 together with the seat adapter 30 form a motor vehicle seat 110 , The motor vehicle seat 110 is about the interior limit 50 with the motor vehicle 1 connected. This is the seat adapter 30 with a motor vehicle floor 51 the interior limitation 50 connected. The seat structure 5 is both with the seat adapter 30 as well as with the interior limitation 50 connected. More precise is the seat structure 5 or their backrest structure 10 with the seat adapter 30 connected. In addition, the backrest structure 10 with the interior limitation 50 , more precisely, a lateral interior boundary 52 that's here as a wheel arch 53 or as a lateral body section 54 is formed, connected. The seat structure 5 is as a folding seat structure 5 formed, in which the backrest structure 10 hinged relative to the seat part is arranged. The backrest structure 10 is for a flap solvable with the lateral interior boundary 52 connected. Here is the backrest structure 10 with the lateral interior structure 10 lockable. A detailed presentation is given below.

The 1 shows schematically in a perspective view an embodiment of the seat device 100 in an interior of the motor vehicle 1 , The interior has the interior limitation 50 on, which in particular a motor vehicle floor 51 , So a lower interior boundary, and a lateral interior boundary 52 , here as lateral body sections 54 and as a wheel housing or as a wheel well 53 educated. On the vehicle floor 51 is the seat adapter 30 arranged. This has a seat frame 35 on. The seat frame 35 has feet 37 on, with which the seat frame 35 on or on the vehicle floor 51 is attached. The backrest structure 10 is on the one hand at the lateral interior limitation 52 detachably arranged. Here is the backrest structure 10 as a split backrest structure 10 - here in the ratio 60:40 - trained. Each part of the split backrest structure 10 is with the associated lateral interior boundary 52 releasably connected. On the other side, that is, the side that is assigned to the other part, the parts are hinged 39 rotatably mounted. The hinge 39 is rotatable with a rear support 41 of the seat frame 35 connected. The hinge protrudes 39 from the rear carrier 41 towards upright backrest structure 10 off, so that the hinge 39 in a gap between the parts of the split backrest structure 10 extends and is thus covered by this. The hinge 39 we will describe later in more detail. For stable storage, the parts of the backrest structure 10 also on the lateral interior boundary 52 rotatably mounted. In this way, the parts of the backrest structure are individually or separately or independently hinged to the seat part. For tolerance compensation of the seat adapter 30 , For example, due to manufacturing tolerances, etc., are tolerance compensation means 60 intended. In the illustrated embodiment, the tolerance compensation means 60 as a motor vehicle seat side compensation means 61 educated. In this case, according to the embodiment shown in the figures, the compensating means 61 integrated in the hinge 39 designed so that the hinge 39 as a compensation hinge 39a is trained. The seat adapter 30 thus includes the seat frame 35 with the feet 37 and the tolerance compensation means 60 , The seat frame 35 includes beside the feet 37 longitudinal beams 40 , here the rear carrier 41 and a front carrier 42 as well as the carriers 41 . 42 interconnecting cross struts 45 , The carriers 40 and the cross struts 45 clamp a shelf or seat for the seat structure 5 , more precisely, the seat part, on. The motor vehicle floor 51 is essentially flat and is so for different seat adapter 30 always the same. For the connection of the respective seat adapter 30 far the car floor 51 corresponding fastening sections 51 on, which are here as holes, partially formed with appropriate material reinforcement.

The 2 shows schematic in a perspective view of the embodiment according to 1 without the interior limitation 50 , Here you can clearly see how the two parts of the backrest structure 10 over the compensation hinge 39a with the rear carrier 41 of the seat frame 35 are connected. Laterally adjacent to the lateral interior boundary 52 the parts have a protruding pin 14 on, for a rotatable mounting in a corresponding rotary bearing section on the lateral interior boundary 52 is trained.

The 3 shows schematically in a perspective view of the seat adapter 30 of the embodiment according to 1 in isolation. The seat adapter 30 includes the tolerance compensation means 60 and the seat frame 35 with the feet 37 , the hinge 39 or compensating hinge 39a , the carriers 40 and the crossbars 45 , Thus, the seat frame 35 designed as a kind of truss structure. The cross struts 45 are slightly in the direction of the motor vehicle floor for improved seating comfort 51 arched trained. The feet 39 are on the front carrier 42 arranged and can be connected via connecting means 47 with the vehicle floor 51 connect. For accident-proof or crash-proof securing of the seat frame 35 on the vehicle floor 51 is additionally a crash protection 49 intended. The crash protection 49 is here as a sheet metal part on the rear support 41 arranged. Here is the crash protection on the connecting means 47 with the vehicle floor 51 connectable. Other connection elements we buckles, baby seat fasteners and the like are not shown here. Preferably, the seat frame 35 designed as a welded construction. In order to compensate for such production-related or other tolerances, the tolerance compensation means 60 provided, here in the form of the balance hinge 39a , In other embodiments, other tolerance compensation means can be used 60 provide.

The 4 schematically shows in another perspective view of the seat adapter 30 to 3 ,

The 5 shows schematically in a perspective view an enlarged detail of the seat adapter 30 to 4 with the crash protection 49 and the tolerance compensation means 60 , The crash protection 49 is designed as a bent sheet metal part, which is located at one end 49a around the hollow cylindrical rear support 41 nestles and is attached there with this. From the one on the rear carrier 41 adjacent end of the bleaching part protrudes in a central portion 49b in the direction of the motor vehicle floor 51 , wherein the sheet metal part widened. In addition, the sheet metal part in the middle section 49b connection options 49c for the connection of components and / or to other components. To the middle section 49b closes another end 49d which is to rest on the vehicle floor 51 is trained. The other end stands out for this 49d at an angle from the middle section 49b off, so the end 49d essentially parallel to the motor vehicle floor 51 runs. At the end 49d are corresponding connection means 47 trained, with whom the crash safety 49 on the vehicle floor 51 is attached.

Also on the rear carrier 41 is that as a balancing hinge 39a formed tolerance compensation means 60 arranged. This sticks out of that rear carrier 41 towards upright backrest structure 10 from. This is one reason of the balance hinge 39a rotatably with the rear support 41 connected, for example, welded. At the opposite end, the balancing hinge 39a a passage opening acting as a pivot bearing 63 on. In this are the corresponding counterparts of the parts of the backrest structure 10 stored. In this way is the backrest structure 10 rotatable on the compensation hinge 39a stored.

The 6 shows schematically in a perspective view another enlarged section of the seat adapter 30 to 4 , The cross struts 45 are at one end around the front carrier 42 nestled and fastened with this. At each end is the front carrier 45 about a corresponding storage 46 rotatably mounted. Here is the storage 46 in the appropriate foot 37 integrated trained.

The 7 shows schematically in a perspective view an enlarged detail of the seat assembly 100 to 1 with the at the tolerance compensation means 60 arranged backrest structure 10 , Every part 10a . 10b the backrest structure 10 is with the compensation hinge 39a via its passage opening 63 rotatably mounted. The part shown on the left 10a has a pin-like projection 64 on, passing through the passage opening 63 in the direction of the other part 10b protrudes. The other, left part 10b has a bow-shaped receptacle 66 on, which also from the projection 64 is penetrated. For this purpose, the bow-shaped recording 66 a passage opening, not shown here. That's how the parts are 10a . 10b separately rotatable on the balancing hinge 39a stored.

The 8th shows a schematic perspective view of a section of the seat adapter 30 to 4 with a detail of the as a compensation hinge 39a trained tolerance compensation means 60 , In the illustrated embodiment, the balancing hinge 39a executed in two parts. A first compensation part 68 is rotationally fixed to the rear support 41 attached. A second compensation part 69 is relatively movable, in particular displaceable, to the first part 68 arranged. In this way, a tolerance can be compensated. The second compensation part 69 has a receiving section 69a on, with this the complementary section of the first equalizer 68 at least partially surrounds, so that the second compensation part 69 along the first compensation part 68 guided movable or guided is displaceable. In 9 the tolerance compensation is shown more clearly.

The 9 shows schematically in an exploded perspective view of the as a two-part balancing hinge 39a trained tolerance compensation means 60 to 8th , The second compensation part 69 is removed from the first compensation part 68 shown so that the receiving section 69a is visible. For a tolerance compensation, the second compensation part 69 so opposite the first compensation part 68 postponed that a tolerance is balanced. Is the correct position of the second compensating part 69 opposite the first compensation part 68 found, becomes the second compensation part 69 with the first compensation part 68 connected, in particular undetachably connected. For this purpose, corresponding connecting means comprising guide slots 47a , Passageways 47b and / or welds or bonds (not shown here) provided.

It should be understood that although the foregoing summary and detailed description of the figures describe only one exemplary embodiment, a number of further embodiments exist. Rather, the foregoing detailed description will be appreciated by those skilled in the art as suitable guidance for carrying out at least one example embodiment. It is also understood that the above-mentioned features of the invention can be used not only in the particular combination given, but also in other combinations or in isolation, without departing from the scope of the invention.

LIST OF REFERENCE NUMBERS

1

motor vehicle

5

seat structure

10

Backrest structure

10a

first part

10b

second part

14

pen

30

seat adapter

35

seat frame

37

foot

39

hinge

39a

compensation hinge

40

longitudinal beams

41

rear carrier

42

front carrier

45

crossbars

46

storage

47

connecting means

47a

guide slot

47b

Through opening

49

crash safety

49a

The End

49b

midsection

49c

connection options

49d

The End

50

Interior limitation

51

vehicle floor

52

lateral interior boundary

53

wheel well

54

body section

60

Tolerance compensation

61

Motor vehicle seat side compensating means

63

Through opening

64

head Start

66

admission

68

first compensation part

69

second compensation part

69a

receiving portion

100

seating device

110

Automotive seat

QUOTES INCLUDE IN THE DESCRIPTION

This list of the documents listed by the applicant has been generated automatically and is included solely for the better information of the reader. The list is not part of the German patent or utility model application. The DPMA assumes no liability for any errors or omissions.

Cited patent literature

• WO 2011/163248 [0008]

Claims (15)

Seat adapter ( 30 ) for a motor vehicle seat ( 110 ), in particular a seat adapter ( 30 ) for a rear rear seat of a motor vehicle ( 1 ), for fastening the motor vehicle seat ( 110 ) on a motor vehicle floor ( 51 ), comprising a seat frame ( 35 ) for height adjustment of the motor vehicle seat ( 110 ) to the motor vehicle floor ( 51 ), whereby the seat frame ( 35 ) Tolerance compensation means ( 60 ) to compensate for the tolerance of the motor vehicle seat ( 110 ). Seat adapter ( 30 ) according to claim 1, wherein the tolerance compensation means ( 60 ) Motor vehicle seat-side compensation means ( 61 ) with a receptacle for the motor vehicle seat ( 110 ). Seat adapter ( 30 ) according to claim 1 or 2, wherein the motor vehicle seat side compensating means ( 61 ) at least one compensating hinge ( 39a ), which on the seat frame ( 35 ) is arranged. Seat adapter ( 30 ) according to claim 3, wherein the compensating hinge ( 39a ) is formed at least in two parts in order to realize a tolerance compensation. Seat adapter ( 30 ) according to one of the preceding claims 1 to 4, wherein the seat frame ( 35 ) a crash protection ( 49 ), with which the seat adapter ( 30 ) is securable on the motor vehicle side. Seat adapter ( 30 ) according to one of the preceding claims 1 to 5, wherein at least one further attachment element to the seat frame ( 35 ) is arranged. Motor vehicle seat ( 110 ) for a motor vehicle ( 1 ), in particular a rear rear seat of a motor vehicle ( 1 ) comprising a seat structure ( 5 ) and a fastening possibility for fastening the motor vehicle seat ( 110 ) on a motor vehicle floor ( 51 ), wherein the mounting option as a seat adapter ( 30 ) is designed according to one of the preceding claims 1 to 6. Seat device ( 100 ), in particular a motor vehicle seat arrangement in an interior of a vehicle, comprising an interior boundary ( 50 ) and a seating, wherein the seat as a motor vehicle seat ( 110 ) is designed according to claim 7. Seat device ( 100 ) according to claim 8, wherein the seat structure ( 5 ) a backrest structure ( 10 ), which is rotatable about the balancing hinge ( 39a ) is arranged. Seat device ( 100 ) according to claim 8 or 9, wherein the interior boundary ( 50 ) at least one lateral interior boundary ( 52 ), which securing elements for securing the backrest structure (FIG. 10 ) having. Seat device ( 100 ) according to one of the preceding claims 8 to 10, wherein the interior boundary ( 50 ) a motor vehicle floor ( 51 ) having attachment portions for attachment of various adapters. Motor vehicle ( 1 ), in particular a passenger vehicle, comprising at least one seat device ( 100 ), wherein the at least one seat device ( 100 ) as seating device ( 100 ) is designed according to one of the preceding claims 8 to 11. Method for mounting a motor vehicle seat ( 110 ) in a motor vehicle ( 1 ), in particular for mounting a rear motor vehicle seat ( 110 ) in a motor vehicle interior, comprising the step of providing a motor vehicle seat ( 110 ) according to claim 7, wherein the seat adapter ( 30 ) on the motor vehicle floor ( 51 ) and the seat structure ( 5 ) on the seat adapter ( 30 ) is attached. Method according to claim 13, wherein a tolerance compensation before the attachment of the seat structure ( 5 ) is carried out. Method for producing a seat adapter ( 30 ) according to one of claims 1 to 7, wherein at least one tolerance compensation means ( 60 ) on a seat frame ( 35 ) is arranged.

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