Drive system for a movable roof section of a spoiler roof module of a motor vehicle

Abstract

Drive system for a movable roof section (2) of a spoiler roof module of a motor vehicle with a control slide (14) which is longitudinally movable in a guide rail arrangement (7) by means of a drive transmission train (9), and with a support profile (11) to which the movable roof section (2) is attached, and to which a front tilting mechanism and a rear tilting mechanism (25) are assigned in order to move the support profile (11) between a closed position, a fan position and an open position, wherein the front tilting mechanism has a tilting lever (18) which is movable in a guide channel of the guide rail arrangement (7) with a lower sliding joint (20) provided in the area of ​​its underside, which has a front support bearing (19) at the front for pivotally holding a front section of the support profile (11),and which is connected at the rear to the control slide (14) by means of a rear control bearing (21), wherein the ejector lever (18) and the control slide (14) each have a control cam (16, 22), wherein the rear control bearing (21) of the ejector lever (18) is guided in the control cam (16) of the control slide (14), and wherein the control slide (14) has a control cam (41) guided in the control cam (22) of the ejector lever (18), characterized in that the control cam (22) extends substantially in the longitudinal direction and is provided at its rear end region with a downwardly extending pocket into which the control cam (41) can immerse and be positively locked in the control cam (22) in the longitudinal direction.

Description

[0001] The invention relates to a drive system for a movable roof part of a spoiler roof module of a motor vehicle according to the preamble of claim 1.

[0002] German patent DE 101 58 174 A1 discloses such a drive system for a movable roof section of a spoiler roof module of a motor vehicle. The drive system has a control slide with two control cams. A front release lever engages a front control cam of the control slide by means of a control cam.

[0003] From DE 10 2005 059 287 A1, a drive system for a movable roof module of a motor vehicle is known, which is associated with a vehicle-mounted guide rail arrangement. The guide rail arrangement has a downwardly reduced sliding ramp in a front area.

[0004] From EP 2 481 619 A2, a further drive system for a movable roof section of a spoiler roof module of a motor vehicle is known, comprising a control slide that is longitudinally displaceable in a vehicle-mounted guide rail arrangement by means of a drive transmission train. The movable roof section is provided with a support rail to which a front and a rear opening mechanism engage. The front opening mechanism is provided with an opening lever that is longitudinally displaceable in the guide rail arrangement. The opening lever and the control slide each have a control cam, with a rear control bearing of the opening lever being guided in the control cam of the control slide. The control slide has a control cam guided in the control cam of the opening lever.

[0005] Another drive system is generally known for a spoiler roof module of a passenger car. The spoiler roof module can be mounted in a roof opening of the passenger car body and has a movable roof section that can be shifted between a closed position that closes the roof opening, a vented position angled diagonally backwards and upwards, and an open position that moves backwards over a fixed roof section. A drive system is provided for shifting the movable roof section, which has identical drive and functional components on opposite sides of the roof opening. Each side has a control carriage that can be moved longitudinally in a vehicle-mounted guide rail arrangement by means of a drive transmission cable.The drive transmission cable is guided longitudinally within a frame of the spoiler roof module, which also includes the guide rail assembly, and is moved forwards or backwards along the length of the guide rail assembly by an electric drive motor. On opposite sides of the underside of the movable roof section, a support profile is provided, which is rigidly connected to the underside of the movable roof section. Each support profile extends essentially in the longitudinal direction of the vehicle and is supported by a front and a rear tilting mechanism, which are functional components of the drive system. To move the front and rear tilting mechanisms vertically and / or longitudinally, the two mechanisms are connected to the control carriage.The front extension mechanism features a swing-like extension lever, which is pivotally mounted to the support profile at a front lever extension and pivotally mounted to the control carriage at a rear lever extension. The extension lever is provided with a sliding shoe on its underside, which is guided longitudinally in a guide channel of the guide rail assembly.

[0006] The object of the invention is to create a drive system of the type mentioned above that enables a compact design.

[0007] This problem is solved by the features of claims 1 or 4. The mutual guidance of the release lever and the control slide via corresponding control cams enables a comparatively short design of the control slide – viewed in the longitudinal direction of the guide rail arrangement – ​​resulting in an overall compact design of the drive system. The terms "front," "rear," "longitudinal," "transverse," "upward," vertical, or horizontal, as used in this application, refer to a coordinate system of the spoiler roof module in its operationally installed state in a roof area of ​​the motor vehicle, such that the corresponding directions, planes, and axes correspond to a coordinate system of the motor vehicle, i.e., the vehicle's longitudinal direction, vehicle's transverse direction, and vehicle's vertical direction. These correspond to the horizontal and vertical axes of a vehicle standing on a horizontal surface.The control surfaces are preferably provided in vertical planes parallel to each other.

[0008] The solution according to the invention is intended for a spoiler roof module. A spoiler roof module is understood to be a sliding roof system comprising a movable roof section that is moved into an open position over a fixed, rear roof section, with functional components of the drive system remaining in corresponding lateral areas of the roof opening of the spoiler roof module. Consequently, in its open position, the movable roof section projects partially "freely" over the fixed roof section. In the open position, a front area of ​​the movable roof section is held by the functional components of the drive system, so that the roof opening of the spoiler roof module can only be partially opened, even in the open position, compared to a sliding roof system designed according to the inner-slider or outer-slider operating principle.The solution according to the invention is particularly advantageously suited for use in the roof area of ​​a passenger car. However, it is also intended for use in other land or water vehicles.

[0009] In an embodiment of the invention, the guide channel of the guide rail assembly has a sliding ramp in a front region, along which the lower sliding joint can be moved upwards or downwards. The sliding ramp connects to a channel section of the guide rail assembly at the rear, which extends longitudinally along the guide rail assembly. The lower sliding joint of the release lever, which is preferably designed as a sliding shoe, can be moved slidably along the sliding ramp as well as along the adjoining channel section of the guide rail assembly.

[0010] In a further embodiment of the invention, the sliding ramp is lowered relative to a sliding plane for the control slide. This inevitably results in the entire front sliding lever being raised when the sliding joint of the opening lever moves backward, causing the front area of ​​the support profile and thus a front area of ​​the movable roof section to move upward in order to shift the movable roof section towards its open position.

[0011] According to the invention, the release lever has a laterally projecting support pin that supports at least the underside of a front area of ​​the control carriage in the region of the sliding ramp. The mutual support of the release lever and the control carriage by means of the support pin in the front area of ​​the control carriage ensures secure guidance of the control carriage and the release lever in the region of the sliding ramp. This prevents undefined evasive movements of the control carriage or the release lever.

[0012] In a further embodiment of the invention, the support pin is arranged above the sliding joint of the extension lever. The support pin projects towards the side on which the control slide is moved parallel to the extension lever with its front section.

[0013] Further advantages and features of the invention will become apparent from the claims. Preferred embodiments of the invention are described below and illustrated with reference to the drawings. Fig. Figure 1 shows a perspective view of a spoiler roof module for a roof area of ​​a passenger car in a closed position of a movable roof part. Fig. 2 the spoiler roof module after Fig. 1 with the movable roof section moved into its open position, Fig. 3 in an exploded view obliquely from the front and from the outside (relative to the center of a vehicle) an embodiment of a drive system according to the invention for the spoiler roof module according to the Fig. 1 and Fig. 2, Fig. 4 the drive system after Fig. 3 in an exploded view, obliquely from the front and from the inside, Fig. 5 in a side view the drive system according to the Fig. 3 and Fig. 4, Fig. 6 in a side view from the inside a front section of the drive system according to the Fig. 3 to 5, Fig. 7 the front area according to Fig. 6 omitting a support bar of the drive system, Fig. 8 the front area according to the Fig. 6 and Fig. 7 in a comparison to the Fig. 6 and Fig. 7 relocated, further functional position, Fig. Figures 9 to 12 show, in isometric view from the outside, the front area of ​​the drive system in different functional positions of an extension lever of a front extension mechanism of the drive system. Fig. 13 in perspective view obliquely from inside and from behind a rear extension mechanism of the drive system according to the Fig. 3 and Fig. 4, Fig. 14 to 19 in a side view from the outside the rear opening mechanism according to Fig. 13 in different functional positions between a resting position ( Fig. 14) and a fully opened position ( Fig. 19) Fig. 20 in perspective view a control rod and a side panel of the drive system according to the Fig. 3 and Fig. 4, Fig. 21 in a top view the control rod and the side panel according to Fig. 20, Fig. 22 and Fig. 23 in a side view the side panel of the drive system according to the Fig. 3 and Fig. 4 in different functional positions, Fig. 24 a section of a further embodiment of a drive system according to the invention similar to the Fig. 3, Fig. 4, Fig. 22 and Fig. 23 with a schematic representation of a virtual pivot point and Fig. 25 to 28 in a horizontal section a section of the drive system according to the Fig. 3 and Fig. 4 in the area of ​​a guide rail-mounted securing of the control rod of the rear extension mechanism in different functional positions.

[0014] A passenger car exhibits according to the Fig. 1 and Fig. 2. A roof area 6 is provided with a spoiler roof module 1. For this purpose, the roof area 6 of the vehicle body of the passenger car is provided with a roof cutout into which the spoiler roof module 1 is inserted. The spoiler roof module 1 has a support frame 4 that defines a roof opening A. The roof opening A can be closed by a movable roof part 2. A closed position of the movable roof part 2 is defined in Fig. 1 shown. Fig. Figure 2 shows an open position of the movable roof section 2. At the front – relative to a normal direction of travel of the passenger car – the support frame 4 is provided with a front section 3 extending over the width of the support frame 4, which is covered at the top by a front panel. Below the front panel, a drive unit is provided for two identical drive systems 5, which are arranged in lateral longitudinal sections of the support frame 4. The drive systems 5 on opposite longitudinal sides of the roof opening A are identical and can be operated synchronously with each other by means of the drive unit (not shown). The roof section 2 is rigidly connected to a support profile 11 of each drive system 5 on opposite longitudinal sides in the area of ​​its underside.The support profile 11 is displaced in the vehicle's vertical and longitudinal directions by means of the functional components of the respective drive system 5 described below, in order to displace the movable roof part 2 between the closed position, a fan position angled diagonally backwards and upwards, and the position in . Fig. to achieve the opening position shown in section 2. Because the two drive systems are synchronously movable, the two support profiles of the roof section 2 are also moved synchronously to each other, resulting in the desired parallel displacement of the roof section 2 between the closed and open positions.

[0015] The following will be based on the Fig. Sections 3 to 28 describe in more detail the left-hand drive system 5 (as viewed in the normal direction of travel). The opposite drive system 5 is mirror-symmetrical to a vertical longitudinal plane of the vehicle, but otherwise identical in design, so that to avoid repetition, reference is made to the descriptions of the left-hand drive system 5.

[0016] The support profile 11 can be moved between the closed and open positions in the longitudinal and vertical directions of the vehicle by means of a front opening mechanism described below and a rear opening mechanism 25. The front and rear opening mechanisms are functional components of a control mechanism for the drive system 5. Activation and movement of both the front and rear opening mechanisms 25 is effected by means of a control slide 14, on which a drive element 15 is fixedly arranged. This drive element is connected to a drive transmission train, which is guided longitudinally in a sheathing tube 9 in the front area of ​​the support frame 4 and, furthermore, in a longitudinal channel of a guide rail 7. The control slide 14, including its drive element 15, is guided longitudinally in a guide channel of the guide rail assembly 7.For this purpose, the control carriage 14 has several, unspecified, sliding shoes. The guide rail assembly 7 is part of the support frame 4 and is therefore fixed to the vehicle in the fully assembled state of the support frame 4. The drive transmission train is designed as a threaded cable or as a flexible rack. In the front area of ​​the support frame 4, the drive transmission train is deflected towards a center point by means of the casing 9, where the drive transmission train is operatively connected to the central drive unit. The central drive unit has an electric drive motor and a suitable worm gear which, when the drive motor is activated, can displace the threaded cable in opposite directions within the casing and the channel section of the guide rail assembly 7.

[0017] The front opening mechanism has an opening lever 18 which is guided slidably in a guide channel of the guide rail assembly 7 by means of a sliding shoe 20 in the area of ​​its underside. The sliding shoe 20 forms a lower sliding joint within the meaning of the invention. The guide channel of the guide rail assembly 7 transitions in a front region of the guide rail assembly 7 into a sliding ramp 24 of a two-part front section 8, 8a, 8b of the guide rail assembly 7. The front section 8, 8a, 8b is made of plastic. The sliding ramp 24 extends obliquely forward and downward from a section aligned with the guide channel of the guide rail assembly 7, below a horizontal plane of the guide channel of the guide rail assembly 7.

[0018] The opening lever 18 also has a support bearing 19 at its front, by means of which the opening lever 18 is pivotally mounted on a front receptacle 13 of the support profile 11. At its rear, the opening lever 18 has a control bearing 21 that engages in a control cam 16 of a control slide 14. The control bearing 21 is held in the control cam 16 so that it can slide and rotate about an axis of rotation extending transversely to the vehicle. The opening lever 18 itself also has a control cam 22 into which a control cam 41 of the control slide 14 engages. The control cam 41 projects inwards towards the opening lever 18, while the control bearing 21 of the opening lever 18 projects laterally outwards towards the control slide 14 and into the control cam 16. The control carriage 14 is guided in the guide channel of the guide rail arrangement 7 in a sliding and longitudinally displaceable manner.

[0019] The control cam 22 of the release lever 18 extends essentially longitudinally and is provided at its rear end with a downwardly extending pocket into which the control cam 41 can engage and be held longitudinally in the control cam 22 in a form-fitting manner. The control cam 16 of the control slide 14 extends essentially longitudinally and is slightly curved forward and downward in the area of ​​one front half.

[0020] The extension lever 18 is provided above the sliding shoe 20 with a laterally projecting support pin 23, which is cylindrical in the illustrated embodiment. The support pin 23 is fixedly connected to a side wall of the extension lever 18. The support pin 23 projects towards the control slide 14 in such a way that, depending on the relative movement between the extension lever 18 and the control slide 14, the support pin 23 is in contact with a front end edge or a front lower edge of the control slide 14 to achieve mutual support between the extension lever 18 and the control slide 14.

[0021] The rear tilting mechanism 25 has a bearing block 28, which is rigidly connected to the support frame 4 below the guide rail assembly 7 and is thus mounted to the vehicle. Instead of the support frame 4, the bearing block 28 can also be attached to an underside of the guide rail assembly 7. A pivot lever 27 is pivotally mounted on the bearing block 28 in a pivot plane extending in the vehicle's vertical and longitudinal directions. At its end region furthest from the bearing block 28, the pivot lever 27 is pivotally connected to a control slider 26, which slidably surrounds a cam 12 of the support profile 11. The cam 12 projects laterally outwards from an underside of the support profile 11, is an integral extension of the support profile 11, and extends over its entire length.By means of the swivel lever 27, the support rail 11 can be extended upwards or lowered downwards in the area of ​​the grip by the control slider 26.

[0022] To lower or raise the control slider 26, and thus the rear section of the support rail 11, depending on the movement of the control carriage 14, a control rod 32 to 34 is associated with the rear extension mechanism 25. This rod engages the pivot lever 27 via a positive guide and is either fixed to the vehicle or rigidly connected to the control carriage 14. The control rod 32 to 34 has a rear guide carriage 32, which is guided longitudinally in the guide rail arrangement 7. A control lever 29 is pivotally mounted on the guide carriage 32 by means of a pivot bearing 31, acting as a positive guide. The end of the control lever 29, furthest from the pivot bearing 31, engages a pivot bearing 30 of the pivot lever 27, which is located directly adjacent to the pivot point on the control slider 26.

[0023] The guide carriage 32 is rigidly connected to a functional pocket 34 by means of a rod extension 33 extending forward in the longitudinal direction of the guide rail assembly. A sliding bolt 35 is held in this pocket so as to be slidable in the transverse direction of the vehicle. The sliding bolt 35 can be positively engaged either with a receiving pocket 17 of the control carriage 14 or with a detent receptacle 10, which is attached to a side wall of the guide rail assembly 7. Based on the Fig. 25 to 28 it can be seen that the sliding bolt 35 either forms a positive locking connection between the functional pocket 34 and the control slide 14 (see Fig. 25) or a positive-locking connection between a recess of the stationary locking device 10 and the functional pocket 34.

[0024] Accordingly, the control rod 32 to 34 is either held stationary in the guide rail assembly 7 or it is moved forward or backward by the control slide 14. The control rod 32 to 34 engages with the locking receptacle 10 and thus locks stationary with the guide rail assembly in the position in which the rear extension mechanism 25 has reached its upper end position. For return from the upper end position, the control slide 14 moves the control rod 32 to 34 forward a limited distance in the longitudinal direction of the vehicle via the sliding bolt 35, thereby lowering the rear extension mechanism 25 into its rest position.

[0025] To conceal the rear tilt mechanism 25 from view from the outside and to provide acoustic protection for the vehicle interior when the roof section 2 is in a ventilation position or another open position, the drive system 5 is additionally equipped with a side panel 38, which is pivotally mounted laterally on the outer side of a side wall of the guide rail assembly 7 by means of a pivot bearing 40. The pivot bearing 40 defines a pivot axis extending transversely to the vehicle. The side panel 38 extends longitudinally and vertically from the pivot bearing 40 to the rear. The side panel 38 has a curved guide track 39 designed as an arc guide, into which a bolt-like cam link 37 engages. The bolt-like cam link 37 is longitudinally displaceable in a guide slot 36 extending longitudinally in the side wall of the guide rail assembly 7.For this purpose, the cam link 37 is provided with a flattened guide section which is linearly movable within the guide slot 36 and extends through the guide slot 36 in the transverse direction of the vehicle. On the outside, the cam link 37 projects into the curved guide cam 39 of the side panel 38 by means of a round cam block. The side panel 38 is provided with a continuous protective layer on its outer surface, so that the curved guide cam 39 is not visible from the outside. The protective layer can be manufactured in one piece with the plastic side panel 38 using a two-component construction or can be subsequently attached to it.

[0026] The guide section of the cam link 37 is attached to the inside of the control rod 32 to 34. Preferably, the cam link 37 is engaged with a detent recess in the rod extension 33 of the control rod 32 to 34.

[0027] When the control rod 32 to 34 moves together with the control slide 14, the cam link 37 inevitably slides along the guide track 39. Due to the curvature of the guide track 39, the side panel 38 inevitably performs a limited pivoting movement around the pivot bearing 40. This lowers the side panel 38 in the rest position of the rear tilting mechanism 25, while during the transition to the tilted position, it inevitably pivots diagonally upwards, thus obscuring the view of the rear tilting mechanism 25 from the outside. This is because the side panel 38 inevitably covers the upwardly extended rear tilting mechanism 25.

[0028] Based on the Fig. The forced control of the side aperture 38 can be clearly seen from different functional positions in figures 20 to 23.

[0029] According to Fig. 24 In a further embodiment of the invention, the side panel 38a is displaced about a virtual pivot point in the area of ​​a front pivot bearing 40a relative to a guide rail arrangement 7a by providing a circular arc-shaped cam guide on the one hand and a circular arc-shaped cam block on the other as pivot bearing 40a. If the cam block is provided as a guide cam laterally on the outside of the side wall of the guide rail arrangement 7a and the circular arc-shaped guide cam is provided at the front area of ​​the side panel 38a, the side panel 38a can perform a displacement movement to the rear in addition to a pivoting movement, resulting in a purely virtual pivot point.

[0030] Different functional positions of the rear extension mechanism 25 are shown based on the Fig. Figures 13 to 19 are easily understood. It can be seen that the control lever 29, together with the swivel lever 27, operates according to the toggle lever principle. The control lever 29 is carried backwards by the guide carriage 32 during a traversing movement and thus pulls, as shown in the Fig. As can be seen from Figures 15 to 19, the pivot lever 27 inevitably moves upwards until it reaches its upper end position. The movement of the pivot lever 27, and thus of the control slider 26, by means of the control lever 29 has an additional advantage. It is possible to secure the control slider 26 in various extension positions. In particular, according to the invention, it is possible to achieve a dynamic lowering of the control slider 26, and thus of the support profile 11, when the support profile 11 is moved into its ventilation position. This allows the movable roof section 2 to be lowered into a slightly shallower ventilation position at high driving speeds, thereby reducing booming or other disturbing noises in the vehicle interior.

[0031] Based on the Fig. 5 shows the support profile 11, which is flared upwards in both the area of ​​the front and rear extension mechanisms.

[0032] Based on the Fig. Figures 6 to 8 show the mutual interlocking of the front release lever 18 and the control slide 14, as well as the superimposition of the release lever 18 and the control slide 14 and the resulting longitudinally compact design of the functional components. The control cam 41 of the control slide 14 engages in the control cam 22 of the release lever 18, while the control bearing 21 projects into the control cam 16 of the control slide 14. Based on the Fig. 7 and Fig. Figure 8 shows two different functional positions.

[0033] Based on the Fig. The function of the support pin 23, described above, is clearly visible in figures 9 to 12. In the positions according to the Fig. 9 and Fig. 10. The support pin 23 rests against a front end edge of the control slide 14. In the position according to Fig.11 the support pin 23 is supported in the area of ​​the lower edge of the front area of ​​the control slide 14.

Claims

[1] Drive system for a movable roof part (2) of a spoiler roof module of a motor vehicle with a control slide (14) which is longitudinally movable in a guide rail arrangement (7) by means of a drive transmission train (9), and with a support profile (11) to which the movable roof part (2) is attached, and to which a front tilting mechanism and a rear tilting mechanism (25) are assigned in order to move the support profile (11) between a closed position, a vented position and an open position, wherein the front tilting mechanism has a tilting lever (18) which is movable in a guide channel of the guide rail arrangement (7) with a lower sliding joint (20) provided in the area of ​​its underside, which has a front support bearing (19) at the front for pivotally holding a front section of the support profile (11),and which is connected at the rear to the control slide (14) by means of a rear control bearing (21), wherein the ejector lever (18) and the control slide (14) each have a control cam (16, 22), wherein the rear control bearing (21) of the ejector lever (18) is guided in the control cam (16) of the control slide (14), and wherein the control slide (14) has a control cam (41) guided in the control cam (22) of the ejector lever (18), , characterized by , that the control cam (22) extends essentially in the longitudinal direction and is provided at its rear end area with a downwardly extending pocket into which the control cam (41) can dip and be held in the control cam (22) in a form-fitting manner in the longitudinal direction. [2] Drive system according to claim 1, characterized by, that the guide channel of the guide rail arrangement (7) has a sliding ramp (24) in a front area, along which the lower sliding joint (20) can be moved upwards or downwards. [3] Drive system according to claim 2, characterized by , that the sliding ramp (24) is lowered relative to a sliding plane for the control slide (14). [4] Drive system according to the preamble of claim 1, wherein the guide channel of the guide rail arrangement (7) has a sliding ramp (24) in a front area along which the lower sliding joint (20) can be moved upwards or downwards, characterized by , that the ejection lever (18) has a laterally projecting support pin (23) which supports a front area of ​​the control slide (14) in the area of ​​the sliding ramp (24) at least on the underside. [5] Drive system according to claim 4, characterized by , that the support pin (23) is arranged above the sliding joint (20) of the release lever (18).

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