sunroof system and vehicle comprising such a sunroof system

Abstract

A sliding roof system (1) comprising: a frame (2) for insertion into a roof opening of a vehicle (12); a movable cover (3) guided in the frame, having a front edge (7) and a rear edge (8); the movable cover (3) having at least a first suspension (5) and at least a second suspension (6); the first suspension (5) having a first distance (20) from the front edge (7) which is a maximum of 30% of the distance between the front edge (7) and the rear edge (8); the second suspension (6) having a second distance (21) from a central axis (11) between the front edge (7) and the rear edge (8) which is a maximum of 30% of the distance between the front edge (7) and the rear edge (8); the first suspension (5) having a third distance (22) from a lateral outer edge (19) of the movable cover (3); and the second suspension (6) have a fourth distance (23) from the lateral outer edge (19),- wherein the third distance (22) and the fourth distance (23) have a maximum of 30% of a width (24) of the movable lid (3), and- wherein the second suspension (6) is located closer to the lateral outer edge (19) of the movable lid (3) than the first suspension (5).

Description

The present invention relates to a sunroof system. The invention also relates to a vehicle comprising such a sliding roof system.Many vehicles have a roof opening that is lockable with a sunroof system. Various types of roof systems are known for this purpose. For example, spoiler sliding roof systems are used which have a spoiler mechanism. Furthermore, outer sliding roofs are known in which a cover is guided in a roof joint. Finally, the combination of central mechanism with additional lateral guide tracks is known.Conventional spoiler roof systems, however, have a maximum opening width limited by the spoiler mechanics. In the case of outer sliding roofs, it is not possible, because of the roof joint, for that region of the roof over which the sliding roof is moved to assume load-bearing functions. Thus, further stiffening measures are necessary, which require a higher weight of the vehicle on the one hand, and complicated production and production on the other hand. The third variant mentioned requires mounting from above the vehicle. Such an assembly is not suitable for all vehicles, since requirements on the part of the production plant often require installations from below, that is to say from within the passenger compartment of the vehicle.The post-published laid-open specification DE 10 2014 210 805 A1 discloses an open vehicle roof with a sliding roof cover which is arranged in a closed state so as to close a roof opening. Guide elements moved with the sliding roof cover are displaceable along a guide. The guide members are disposed near a center of the sunroof lid with respect to a longitudinal direction or at this center on the sunroof lid side. Furthermore, viewed in the transverse direction, a drive rail is arranged in the middle of the sliding roof cover. The driving and the lifting of the sliding roof cover take place via fastening points at which the sliding roof cover is connected to parts of the drive rail. The fastening points are thus arranged centrally on the sliding roof cover in the transverse direction.It is an object of the present invention to provide a sliding roof system which, with simple and cost-effective production and assembly, has a large opening width and at the same time brings about a minimal weakening of a roof structure in which the sliding roof system is inserted.The object is achieved by the features of the independent claim. The dependent claims include preferred developments of the invention.The object is thus achieved by a sliding roof system which has a frame and a movable cover. The frame is in particular rectangular and can be inserted into a roof opening of a roof. The frame thus extends around an opening, wherein the opening can be covered at least partially by the movable cover. Particularly advantageously, the frame can be inserted into a roof opening of a vehicle.The movable lid has a leading edge and a trailing edge. For this purpose, it is advantageously provided that the front edge points in the direction of a vehicle front, while the rear edge points in the direction of a vehicle rear. The movable cover further comprises at least one first suspension and at least one second suspension. With the first suspension and the second suspension, the movable cover can be connected to the frame. According to the invention, it is provided that the first suspension is at a first distance from the front edge. The first distance is a maximum of 30% of the distance between the leading edge and the trailing edge. Thus, the first suspension is attached to a front portion of the movable lid. According to the invention, the second suspension has a second distance from a central axis, wherein the central axis is arranged centrally between the front edge and the rear edge of the movable cover. The second distance is a maximum of 30% of the distance between the leading edge and the trailing edge. Thus, the second suspension is in a central position between the leading edge and the trailing edge.Furthermore, it is provided that the first suspension has a third distance and the second suspension has a fourth distance from a lateral outer edge of the movable cover. The third distance and the fourth distance each amount to a maximum of 30% of a width of the movable cover. The width of the movable lid corresponds to a dimension of the movable lid transverse to a direction of movement of the movable lid, which corresponds in particular to a direction transverse to a direction of travel of the vehicle. Thus, both the first suspension and the second suspension are laterally attached to the movable lid.In particular, it is provided that the first suspension and the second suspension connect the movable cover to the frame. For this purpose, preferably two first suspensions and two second suspensions are present. The first suspensions and the second suspensions allow the movable cover to be slid along the frame. For this purpose, the frame advantageously has two longitudinal beams, each longitudinal beam comprising two longitudinal displacement devices. The longitudinal members are oriented parallel to a longitudinal axis of the vehicle. Furthermore, each longitudinal member is assigned a first suspension and a second suspension. Particularly advantageously, each first suspension and each second suspension are connected to a separate longitudinal displacement device of the frame. The first suspension and second suspension described make it possible to open the sliding roof system very widely by moving the movable cover. In this case, the movable cover is guided in particular only laterally on the longitudinal supports of the frame.Advantageously, the sliding roof system has a fixed cover. The fixed cover is fixedly connected to the frame. Thus, the fixed lid advantageously allows forces to be transmitted, thereby contributing the fixed lid to a strength of a roof in which the sunroof system is inserted. The fixed cover and / or the movable cover are advantageously transparent.It is particularly advantageous for the opening surrounded by the frame to be completely covered by the movable cover and by the fixed cover. By displacing the movable cover, at least a part of the openings spanned by the frame can be released. In this case, the sliding roof system has a very large opening width in relation to a dimension of the movable cover on account of the arrangement of the first suspension and the second suspension.It is also particularly advantageous that the movable cover can be pushed at least partially over the fixed cover. In this case, it is also provided that the second suspension can be moved to an end point which lies between a front end and a rear end of the fixed cover. The end point preferably has a fifth distance from the front end. The fifth distance is in particular at most 50% of a distance between the front end and the rear end. Particularly advantageously, the fifth distance is a maximum of 30%, in particular a maximum of 20%, of the distance between the front end and the rear end. Since a guide rail for the second suspension thus overlaps at least partially with the fixed cover, a fixed connection of the fixed cover to the frame is not possible for the overlap region between the guide rail and the second cover. Due to the dimensions mentioned, however, the overlap area remains very small, so that the fixed cover can still perform load-bearing functions. This enables stiffening of a roof into which the sliding roof system is inserted. The sliding roof system therefore prevents additional stiffening measures from having to be used.The second suspension is advantageously arranged closer to the lateral outer edge of the movable cover than the first suspension. Thus, two parallel guide rails can be used, a first guide rail receiving the first suspension while a second guide rail receiving the second suspension. Alternatively, a common guide rail is preferably used for receiving the first suspension and the second suspension. The parallel guide rails or the common guide rail allow a compact structure of the frame, which merely has to be rectangular in shape, wherein the surface spanned by the rectangle is completely available as an opening. In particular, no additional longitudinal or cross members are necessary within the region spanned by the rectangular frame.Advantageously, the movable cover can be driven via the first suspension. The cover is driven in particular by a linear displacement of the first suspension, in particular within a guide rail. The second suspension is advantageously a guide of the movable cover when the movable cover is driven by the first suspension. It is provided that the second suspension means that the movable cover is raised via the fixed cover when the movable cover is driven via the first suspension means. It is thus particularly advantageous that the first suspension has a lifting mechanism or that the first suspension is accommodated in a guide rail which has a lifting mechanism.The first distance is advantageously at most 20%, in particular at most 15%, of the distance between the front edge and the rear edge of the movable cover. In this way, it is ensured that the first suspension on the one hand enables a secure and reliable connection of the movable cover to the frame, and at the same time also ensures a maximum opening width of the movable cover.It is likewise preferably provided that the second distance is at most 20%, in particular at most 15%, of the distance between the front edge and the rear edge of the movable cover. Thus, the second suspension also ensures that the movable cover can be reliably guided, wherein at the same time a maximum opening width of the movable cover is achieved.The third distance and / or the fourth distance advantageously amount to a maximum of 20%, in particular a maximum of 15%, of the width of the movable cover. This ensures that the frame spans an opening with a large width. In this case, the width of the opening is not reduced by the arrangement of the first suspension and the second suspension and the connection of the first suspension and the second suspension to the frame.Finally, the invention relates to a vehicle comprising a sliding roof system according to any of the preceding claims. In particular, the vehicle has a roof opening in which the frame is mounted as described above. If the sliding roof system has a fixed cover as described above, no additional stiffening of the roof of the vehicle is advantageously necessary, since the fixed cover can already assume load-bearing functions, as a result of which sufficient rigidity of the roof of the vehicle is ensured.Further details, features and advantages of the invention are evident from the following description and the figures. The following are shown: FIG. 1 shows a schematic illustration of a sliding roof system according to an exemplary embodiment of the invention, FIG. 2 is a schematic view of a vehicle with the sunroof system of FIG. 1, the sunroof system having a closed position, FIG. 3 shows a schematic illustration of a sliding roof system according to an exemplary embodiment of the invention, wherein the sliding roof system has an open position, and FIG. 4 is a schematic diagram of the movable cover of the sunroof system according to the embodiment of the invention.Embodiments of the InventionFIG. 1 schematically shows a sliding roof system 1 according to an exemplary embodiment of the invention. The sunroof system 1 includes a frame 2, a movable lid 3, and a fixed lid 4. Advantageously, the frame 2 allows the sliding roof system 1 to be inserted from below the roof 17, i.e. from within a passenger compartment of the vehicle 12.With the movable cover 3 and the fixed cover 4 an opening 16 which is spanned by the frame 2 can be completely covered. The movable cover 3 has a front edge 7 and a rear edge 8. The front edge 7 points in the direction of a vehicle front, while the rear edge 8 points in the direction of a vehicle rear. In addition, the rear edge 8 points in the direction of the fixed cover 4. the fixed cover 4 in turn has a front end 9 which points in the direction of the movable cover 3. The front end 9 likewise points in the direction of a vehicle front. The rear end 10 faces toward a rear of the vehicle. If the opening 16 is completely covered by the movable cover 3 and the fixed cover 4, it is provided in particular that the rear edge 8 of the movable cover 3 abuts the front end 9 of the fixed cover 4.The movable cover 3 can be lifted and moved by the fixed cover 4. The movable cover 3 can thus be displaced at least partially over the fixed cover 4, as a result of which a partial region of the opening 16 spanned by the frame 2 can be released. In this way, a sliding roof function is realized.For moving the movable cover 3, a first suspension 5 and a second suspension 6 are provided. The movable cover 3 has in each case two first suspensions 5 and in each case two second suspensions 6, wherein each lateral outer edge 18 of the movable cover 3 is assigned in each case one first suspension 5 and in each case one second suspension 6. The movable cover 3 is shown schematically in FIG. 4.The first suspension 5 is located at a front end 9 in the vicinity of the front edge 7 of the movable lid 3. The first distance 20 is a maximum of 30%, preferably a maximum of 20%, particularly preferably a maximum of 15%, of the distance between the front edge 7 and the rear edge 8 of the movable cover 3.On the other hand, the second suspension 6 is mounted in the vicinity of a central axis 11 of the movable lid 3. The central axis 11 lies centrally between the front edge 7 and the rear edge 8, and it is provided that the second suspension 6 has a second distance 21 from the central axis 11. The second distance is a maximum of 30%, preferably a maximum of 20%, particularly preferably a maximum of 15%, of the distance between the front edge 7 and the rear edge 8 of the movable cover 3. An arrangement of the first suspension 5 and the second suspension 6 as described allows reliable handling of the movable cover 3 with simultaneously optimized opening width of the sliding roof system 1.The first suspension 5 has a third distance 22 from a lateral outer edge 18 of the movable cover 3, and the second suspension 6 has a fourth distance 23. The third distance 22 and the fourth distance 24 are in particular different, wherein it is provided that both the third distance 22 and the fourth distance 23 are a maximum 30%, in particular a maximum 20%, preferably a maximum 15%, of a width 24 of the movable cover. The width 24 of the movable cover is in particular a dimension of the movable cover 3 along the central axis 11. it is also provided that the second suspension 6 is at a smaller distance from the outer edge 18 than the first suspension 5, such that the third distance 22 is greater than the fourth distance 23.The first suspension 5 is guided in a first guide rail 13, while the second suspension 6 is guided in a second guide rail 14. The first guide rail 13 and the second guide rail 14 extend parallel within the frame 2, Since the first suspension 5 is arranged offset from the second suspension 6 along the central axis 11, the first guide rail 13 lies closer to the opening 16 spanned by the frame 2 than the second guide rail 14.The second guide rail 14 allows the second suspension 6 to move to an end point 26, the end point 26 being located between the front end 9 and the rear end 10 of the fixed lid 4. In particular, it is provided that the end point 26 has a fifth distance 25 from the front end 9 of the fixed cover 4. The fifth distance 25 is a maximum of 50%, preferably a maximum of 30%, particularly preferably a maximum of 20%, of the distance between the front end 9 and the rear end 10 of the fixed cover 4. The overlap region 19 ensures that the movable cover 3 can be moved at least partially over the fixed cover 4. In this way, a large opening width of the sliding roof system 1 is ensured.Referring now to FIGS. 2 and 3, a vehicle 12 is shown, with an illustration of the vehicle 12 limited to a roof 17 of the vehicle 12. The sliding roof system 1 from FIG. 1 is inserted in the roof 17. FIG. 3 shows a state in which the sliding roof system 1 is opened, that is to say in which the movable cover 3 is pushed at least partially over the fixed cover 4, while FIG. 2 shows a closed state, that is to say in which an opening 16 spanned by the frame 2 is completely covered by the movable cover 3 and the fixed cover 4. From FIG. 2 the overlap area 19 between the second guide rail 14 and the fixed cover 4 can be seen. Since the second guide rail 14 is present in this region, the fixed cover 4 cannot be connected to the roof 17 in a structurally fixed manner. The structurally fixed connection of the fixed cover 4 to the frame 2 and thus to the roof 17 is thus limited to a fastening region 15. It is thus evident that despite a large roof section of the roof 17 for inserting the sliding roof system 1, a large stiffness is present, so that no additional stiffening measures need be used.The arrangement according to the invention of the first suspension 5 and the second suspension 6 and the associated arrangement of the first guide rail 13 and the second guide rail 14 allow a large opening width of the movable cover 3, so that a large part of the opening 16 spanned by the frame 2 can be released. At the same time, the sliding roof system 1 allows the roof 17 of the vehicle 12 to be reinforced by the fastening region 15. Thus, on the one hand, a large roof opening is present, and on the other hand, a rigidity of the roof 17 is not adversely affected. The first cover 3 and the second cover 4 are advantageously transparent, so that a panoramic roof impression is produced.The first guide rail 13, in which the first suspension 5 is guided, advantageously represents a drive for the movable cover 3. For this purpose, the first guide rail 13 has, in particular, a drive mechanism and a lifting mechanism. With the lifting mechanism, the movable cover 3 can be lifted to a level above the fixed cover 4. By means of the drive mechanism, the movable cover 3 can be displaced rearwardly via the fixed cover 4. The second guide 14 advantageously serves as a passive guide for the movable cover 3 and thus in particular does not have its own drive.The described sliding roof system 1 allows a greater opening width than is technically possible in sliding roof systems with spoiler mechanics. At the same time, the sliding roof system 1 allows defining a structurally fixed fastening region 15 which contributes to stiffening of the roof 17. Thus, a long-standing conflict of goals in the design of sliding roof systems is eliminated in a surprisingly simple manner.List of reference numbers:1 Sliding roof system 2 Frame 3 Movable cover 4 Fixed cover 5 First suspension 6 Second suspension 7 Front edge 8 Rear edge 9 Front end 10 Rear end 11 Central axis 12 Vehicle 13 First guide rail 14 Second guide rail 14 Fastening region 16 Spanned opening 17 Roof 18 Side edge 19 Overlap region 20 First distance 21 Second distance 22 Third distance 23 Fourth distance 24 Width 25 Fifth distance 26 End point

Claims

Sliding roof system (1) comprising - a frame (2) for insertion into a roof opening of a vehicle (12), - a movable cover (3) guided in the frame and having a front edge (7) and a rear edge (8), - wherein the movable cover (3) has at least one first suspension (5) and at least one second suspension (6), - wherein the first suspension (5) has a first distance (20) from the front edge (7) which is at most 30% of the distance between front edge (7) and rear edge (8), - wherein the second suspension (6) has a second distance (21) from a central axis (11) between the front edge (7) and the rear edge (8) which is at most 30% of the distance between front edge (7) and rear edge (8), wherein the first suspension (5) has a third distance (22) from a lateral outer edge (19) of the movable cover (3) and the second suspension (6) has a fourth distance (23) from the lateral outer edge (19), - wherein the third distance (22) and the fourth distance (23) have a maximum of 30% of a width (24) of the movable cover (3), and - wherein the second suspension (6) is mounted closer to the lateral outer edge (19) of the movable cover (3) than the first suspension (5).Sliding roof system (1) according to claim 1, characterised bya fixed cover (4) which is fixedly connected to the frame (2).Sliding roof system (1) according to Claim 2, characterized in that an opening (16) surrounded by the frame (2) can be completely covered by the movable cover (3) and the fixed cover (4).Sliding roof system (1) according to claim 2 or 3, characterised in that the movable cover (3) can be pushed at least partially over the fixed cover (4), wherein the second suspension (6) can be moved to an end point (26), which lies between a front end (9) and a rear end (10) of the fixed cover (4) and has a fifth distance (25) to the front end (9), which is at most 50%, preferably at most 30%, particularly preferably at most 20%, of a distance between the front end (9) and the rear end (10).Sliding roof system (1) according to one of the preceding claims, characterized in that the movable cover (3) can be driven via the first suspension (5), wherein the second suspension (6) represents a passive guidance of the movable cover (3).Sliding roof system (1) according to one of the preceding claims, characterized in that the first distance (20) is at most 20%, in particular at most 15%, of the distance between the front edge (7) and the rear edge (8).Sliding roof system (1) according to one of the preceding claims, characterized in that the second distance (21) is at most 20%, in particular at most 15%, of the distance between the front edge (7) and the rear edge (8).Sliding roof system (1) according to one of the preceding claims, characterized in that the third distance (22) and / or the fourth distance (23) are arranged at a maximum of 20%, in particular at a maximum of 15%, of the width (24) of the movable cover (3) away from the outer edge (19).A vehicle (12) comprising a sunroof system (1) according to any preceding claim.

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