Lock assembly for a movable vehicle component, in particular an engine hood, a front cover plate

Abstract

The invention relates to a lock assembly (1) for a movable vehicle part (100), comprising:-at least one lock unit (200) having: a rotary latch (210) having a locking position (402) in which the movable vehicle part (100) is secured, and having an open position (400) in which the movable vehicle part (100) is opened; releasing the movable vehicle component (100) in the open position; and a pawl (220) interacting with the rotary latch (210), the pawl obstructing movement of the rotary latch (210) in the locked position (402) to the open position (400); and a tensioning unit (300) having at least one drivable movable tensioning element (310), the tensioning element (310) and the rotary latch (210) being adapted and interacting with each other in such a way that the rotary latch (210) is automatically brought from the open position (400) into the closed position (402), and the tensioning unit (300) being designed and adapted such that the rotary latch (210) is automatically moved from the open position (400) into the closed position (402). When an obstacle obstructs movement of the movable vehicle component (100), the rotary latch (210) is not brought from the open position (400) to the closed position (402).

Description

TECHNICAL FIELD

[0001] The invention relates to a lock assembly for a movable vehicle component, in particular a bonnet, a front panel or a rear panel. BACKGROUND

[0002] For example, in motor vehicles, lock assemblies of the aforementioned type are used for locking a bonnet (in combustion vehicles), a front panel (in electric vehicles), a backrest, a door, a cover, a rear panel, a luggage compartment cover, etc. To unlock the lock assembly, the locking mechanism formed by a pawl, a rotary latch and a locking element is moved by means of an actuator (for example an actuation motor) or manually, in order to move the pawl from a blocking position to an unlocking position. In the unlocking position of the pawl, the rotary latch is released in order to be able to rotate from a locking position to an open position and to release the locking element, for example a lock bow. SUMMARY

[0003] It is an object of the invention to provide an improved lock assembly which is simple in structure and provides anti-trapping protection.

[0004] The solution according to the invention to achieve the above object is a lock assembly having the features of claim 1.

[0005] The invention proposes a lock assembly for a movable vehicle component, comprising:

[0006] at least one lock unit having a rotary latch having a locking position in which the movable vehicle component is secured and having an open position in which the movable vehicle component is released, and a pawl interacting with the rotary latch, which impedes the rotary latch in the locking position from moving into the open position, and

[0007] a tensioning unit for closing the movable vehicle component from the open position to the locking position,

[0008] wherein the tensioning unit is adapted to perform the locking of the movable vehicle component in at least two intervals of different locking forces, wherein

[0009] in a first interval with a first locking force, the tensioning unit is additionally designed as a mechanical anti-trapping protection and is adapted not to bring the rotary latch from the open position to the locking position when an obstacle impedes the movement of the movable vehicle component, and wherein, in a second interval with a second locking force, which is greater than the first locking force, the tensioning unit is only designed as a locking unit and is adapted to automatically bring the rotary latch from the open position or from an intermediate position to the locking position.

[0010] In other words: In the first interval, in particular in the safety zone, the movable vehicle component is moved gently, in particular substantially by its own weight, and at the same time it is monitored whether an obstacle is clamped. In the second interval, in particular in the locking zone, the movable vehicle component is moved in a power-driven, in particular exclusively power-driven, manner and locked.

[0011] In the first interval and / or during the first interval, the movable vehicle component can be moved in such a region that an obstacle can still intrude and be clamped between the movable vehicle component and the stationary vehicle component. In the first interval and / or during the first interval, the movable vehicle component is driven with a first locking force, in particular with a low locking force, and moved in the direction of the locking position. If an obstacle is detected in this movement, the locking movement of the first interval is stopped and the movable vehicle component continues to move substantially by its own weight or is stopped by the obstacle, where only the weight of the movable vehicle component rests on the obstacle.

[0012] In the second interval and / or during the second interval, the movable vehicle component can be moved in such a region or is moved that no obstacle can intrude and be clamped between the movable vehicle component and the stationary vehicle component. In the second interval and / or during the second interval, the movable vehicle component is driven with a second locking force, which is greater than the first locking force. The movable vehicle component is thereby moved powerfully and quickly to the locking position and thus locked.

[0013] In a possible embodiment, the tensioning unit can have at least one drivable movable tensioning element, wherein

[0014] the tensioning element and the rotary latch are adapted and interact such that the rotary latch is automatically brought from the open position to the locked position, and wherein

[0015] the tensioning unit is designed and adapted such that, when an obstacle impedes the movement of the movable vehicle component, the rotary latch is not brought from the open position to the locked position.

[0016] Preferably, the tensioning element and the rotary latch are adapted and interact such that, in the first interval, when an obstacle impedes the locking movement of the movable vehicle component, the rotary latch is brought to the locked position with the first locking force and the locking movement is stopped, and in the second interval, in particular when there is no obstacle, the rotary latch is automatically brought from the open position to the locked position with the second locking force.

[0017] The lock assembly according to the invention has only two main components, namely a lock unit and a tensioning unit. The structure of the lock assembly is therefore particularly simple and can therefore be produced cost-effectively. The core and basic idea of the invention is that, although the tensioning unit is designed and adapted in principle to automatically bring the rotary latch from the open position to the locked position, it does not do so if an obstacle impedes the movement of the movable vehicle component. Such an obstacle that impedes the movement of the movable vehicle component and according to the invention thus brings the tensioning unit into an inactive state is usually a body part that can be injured without anti-trapping protection. The fact that the tensioning unit is deactivated according to the invention in the presence of such an obstacle greatly promotes the safety of the user of the vehicle.

[0018] It is particularly advantageous if the tensioning unit is designed and adapted in a mechanical manner, in particular without electronic aids such as sensors, i.e. purely mechanically, for different reactions depending on the presence of an obstacle. If the anti-trapping protection of the lock assembly depends on an electronic recognition of the obstacle, its reliability would be greatly reduced, since there would be no protection, for example, in the event of a flat vehicle battery.

[0019] According to an advantageous design variant of the invention, it can be provided that:

[0020] the rotary latch of the lock unit, in particular in or during a first interval with a first locking force, is rotatable about a first rotation axis and has a follower which moves with the rotary latch about the first rotation axis on a first circular path,

[0021] the tensioning element of the tensioning unit is rotatable about a second rotation axis and has a catch which moves with the tensioning element about the second rotation axis on a second circular path, and

[0022] the catch can catch the follower during its movement about the second rotation axis on the second circular path only if the rotary latch has previously moved about the first rotation axis on the first circular path and has thereby reached an intermediate position between the open position and the locked position, in particular in or during a second interval with a second locking force.

[0023] In the described design, the catch and the follower move on two intersecting circular paths. In order for the catch to be able to "catch" the follower, the follower must be at the intersection of the two circular paths at the right point in time, otherwise the catch misses. The invention makes use of this to provide mechanical anti-trapping protection, in particular purely mechanical / only mechanical anti-trapping protection: if there is no obstacle in the movement area of the movable vehicle component, the follower and the catch are guided on their respective circular paths in such a way that they safely engage with one another. Conversely, if there is an obstacle in the movement area of the movable vehicle component, the rotary latch and with it the follower do not move on the first circular path, whereby, when the catch moves on its second circular path into the area of the intersection of the two circular paths, the catch cannot catch the follower.

[0024] In one design of the invention, it can be provided that the tensioning element comprises a tensioning lever, which has a force point for connecting the drive device, at which the catch is arranged.

[0025] In order to achieve high interference resistance, the simple principle is followed that, according to the invention, the proposed lock assembly uses only proven basic mechanical principles as far as possible. The force required to operate the tensioning element can either be produced manually or by means of an electric, hydraulic or pneumatic drive device without deviating from the simple principle.

[0026] In another design of the proposed lock assembly, it can be provided that the catch is mounted at the tensioning lever in such a way that it can rotate about a third rotary axis against the action of a return spring, in particular in a limited, for example slightly, rotatable manner.

[0027] This design makes it possible on the one hand to compensate production-related tolerances, but on the other hand also to compensate natural effects, for example due to the presence of elastic seals between the movable vehicle component and the vehicle body.

[0028] In another design of the proposed lock assembly, it can be provided that the tensioning unit comprises an ejection pin, which extends towards the movable vehicle component and can be moved into a latching position against the action of a return spring, so that, when the pawl releases the rotary latch, the ejection pin moves the movable vehicle component from the latching position into an open position (also called an opening position).

[0029] This design makes it easier for the user of the vehicle to fully open the movable vehicle component, i.e. for example the engine hood, the front or rear cover panel, etc., after the lock assembly has been opened, since sufficient space is created between the movable vehicle component and the vehicle body by means of the ejection pin in order to be able to grasp the movable vehicle component by hand.

[0030] In another design variant of the proposed lock assembly, it can be provided that the ejector pin is coupled in terms of movement to the tensioning element, such that the tensioning element moves the ejector pin from the open position to the closed position when the pawl releases the rotary latch, and the ejector pin moves the tensioning element from the closed position to the open position.

[0031] In this way, the components of the lock assembly influence one another in an advantageous manner in such a way that the normal function of the lock assembly does not require an additional auxiliary energy source.

[0032] In another design variant of the proposed lock assembly, it can be provided that the tensioning element comprises a coupling lever, which has a coupling element that interacts with a corresponding coupling element of the ejector pin in a movement-coupled manner.

[0033] This coupling lever can in turn be coupled in terms of movement to the tensioning lever. The tensioning lever and the coupling lever together form a component that is particularly stable in terms of movement and thus resistant to interference.

[0034] In another design variant of the proposed lock assembly, it can be provided that the coupling element of the coupling lever is embodied as a coupling pin, which is fixed in a coupling element of the ejector pin, which is embodied as a coupling opening, the coupling element having a compensation gap transverse to the longitudinal direction of the ejector pin.

[0035] This design variant is an example of how a rotary component (for example the tensioning element, in this case the coupling lever as a component part of the tensioning element) can be coupled in terms of movement in a simple manner to a linearly moving component (for example the ejector pin).

[0036] In another design variant of the proposed lock assembly, it can be provided that the pawl has at least two blocking hooks, which engage with one of the two or more locking hooks of the rotary latch in order to lock the rotary latch in different positions.

[0037] The advantages achieved with the invention are in particular that the proposed lock assembly provides a simple and effective tensioning aid with a simple structure and low production costs, while at the same time ensuring effective anti-pinch protection.

[0038] The invention is intended for a closure of a motor vehicle, in particular for a closure of a front hood and a luggage compartment and for a rear luggage compartment closure.

[0039] The invention is intended for a closure having an electrically operated closure device.

[0040] The invention protects foreign objects, in particular the fingers of a user, which are located between the closure part (hood, rear cover) and the body fixing part, from being pinched by the electrically operated closure device (anti-pinch function).

[0041] The invention makes it possible to safely lock a lockable part of a movable vehicle component by dividing the force transmission into two intervals. The first interval has a low locking force with anti-pinch protection, the second interval has a high locking force for complete locking.

[0042] The invention reduces friction and increases the efficiency of the locking process.

[0043] The invention divides the force transmission into two safe intervals. In the first interval, the movable vehicle component (also called a lockable component, such as a cover) is gently rested on a pop-out element that is pressed down with full force. If an obstacle appears in the locking path of the cover, the cover stops its movement, but the pop-out element remains in motion. The cover acts on the obstacle (a user's finger) only by its own weight, so the obstacle is protected from being pinched by a low locking force. In the standard locking process, the cover enters the second interval a few millimeters before the fully locked position, in which the cover is rigidly grabbed and locked in a force-fitting manner. In the second interval, the small gap (e.g. 8 mm or less) between the cover and the fixed part of the vehicle prevents the obstacle (a user's finger) from protruding. BRIEF DESCRIPTION OF DRAWINGS

[0044] Embodiments of the invention are described in detail with reference to the accompanying drawings. In which:

[0045] Figure 1 a lock assembly according to the invention in an open position is shown,

[0046] Figure 2 a lock assembly according to the invention in an intermediate position is shown, Figure 1

[0047] Figure 3 a lock assembly according to the invention in a locked position is shown, Figure 1

[0048] Figure 4 a first partial perspective view of a lock assembly according to the invention is shown,

[0049] Figure 5 a second partial perspective view of a lock assembly according to the invention is shown,

[0050] Figure 6 a third partial perspective view of a lock assembly according to the invention is shown,

[0051] Figure 7 a fourth partial perspective view of a lock assembly according to the invention is shown,

[0052] Figure 8 a lock assembly according to the invention in an open position is shown,

[0053] Figure 9 ​​a lock assembly according to the application in a first intermediate position, Figure 8

[0054] Figure 10 a lock assembly according to the application in a second intermediate position, Figure 8

[0055] Figure 11 a lock assembly according to the application in an open position. Figure 8

[0056] The same parts in all the figures are denoted by the same reference numerals. DETAILED DESCRIPTION

[0057] Figures 1 to 3 A successful locking process of an embodiment of a lock assembly 1 according to the application is shown, in which no obstacle impedes the movement of the movable vehicle part 100.

[0058] Figure 1 An embodiment of a lock assembly 1 according to the application is shown, which is in an open position 400.

[0059] The movable vehicle part 100, for example a bonnet, a front panel or a rear panel, has a locking element 110, for example a lock bow 111, which is arranged for being fixed by the lock assembly 1 so that the movable vehicle part 100 is fixed in a locked position 402 (as shown in Figure 3

[0060] For this purpose the locking element 110 is fixed in the lock unit 200. For this purpose the lock unit 200 has a rotary latch 210, which is rotatable about a first rotation axis 211. In the shown illustration the rotary latch 210 is in an open position 400. By twisting the rotary latch 210 about the first rotation axis 211 it can be moved into a locked position 402 against the force of a return spring 212.

[0061] The rotary latch 210 has a locking element receptacle 213, which is designed for accommodating the locking element 110, for example the lock bow 111, of the movable vehicle part 100.

[0062] Below the rotary latch 210 a pawl 220 is arranged, which has two blocking hooks 223 and can be rotated about a fourth rotation axis 221 against the force of a return spring 222, wherein at least one blocking hook 223 engages with at least one locking hook 214 of the rotary latch 210 in order to fix the rotary latch 210 in one of several positions.

[0063] The rotary latch 210 has a follower 215, which is necessary for the automatic locking function of the lock assembly 1. ​​​​

[0064] The rotary latch 210 is rotatable about a first rotation axis 211 and has a follower 215 which moves with the rotary latch 210 about the first rotation axis 211 on a first circular path 500.

[0065] The lock assembly 1 further comprises a tensioning unit 300 for closing the movable vehicle component 100 from the open position 400 to the locked position 402.

[0066] The tensioning unit 300 is adapted to perform the locking of the movable vehicle component 100 in at least two intervals 330 and 332 of different locking forces 334 and 336.

[0067] In the first interval 330 with the first locking force 334, the tensioning unit 300 is additionally designed as a mechanical anti-trapping protection and is adapted to not bring the rotary latch 210 from the open position 400 to the locked position 402 when an obstacle 600 impedes the movement of the movable vehicle component 100 in the direction of its locked position 402 (according to arrow 602).

[0068] In the second interval 332 with the second locking force 336, which is greater than the first locking force 334, the tensioning unit 300 is designed only as a locking unit and is adapted to automatically bring the rotary latch 210 from the open position 400 or from the intermediate position 404 to the locked position 402.

[0069] In other words: In the first interval 330, in particular the safety zone, the movable vehicle component 210 is moved gently, in particular substantially by its own weight and with the support of a drive, and at the same time it is monitored whether an obstacle 600 is trapped. In the second interval 334, in particular the locking zone, the movable vehicle component 210 is locked in a power-driven, in particular exclusively power-driven, manner.

[0070] In the first interval 330 and / or during the first interval, the movable vehicle component 210 can be moved in such a region that an obstacle 600 can still intrude and be trapped between the movable vehicle component 210 and the stationary vehicle component, in particular the vehicle body or the vehicle skin. In this first interval 330 and / or during the first interval, the movable vehicle component 210 is driven with the first locking force 332, in particular with a low locking force, and moved in the direction of the locked position 402. If an obstacle 600 is detected in this movement, the locking movement of the first interval 330 (according to arrow 602) is stopped and the movable vehicle component 210 continues to move substantially by its own weight or is stopped by the obstacle 600 from continuing to move, so that here only the weight of the movable vehicle component 210 rests on the obstacle 600.

[0071] Within and / or during the second interval 334, the movable vehicle component 210 can be moved or moved within such a region so that no obstacle 600 can intrude and be clamped between the movable vehicle component 210 and the stationary vehicle component. Within this second interval 334 and / or during this second region, the movable vehicle component 210 is driven with a second latching force 336, which is greater than the first latching force 332. The movable vehicle component 210 is thereby moved powerfully and quickly into the latched position 402 and thus latched.

[0072] The tensioning unit 300 in particular comprises a tensioning element 310.

[0073] In particular, the tensioning element 310 and the rotary latch 210 are adapted and interact such that, within the first interval 330, when an obstacle 600 obstructs the latching movement of the movable vehicle component 100, the rotary latch 210 is brought to the latched position 402 with the first latching force 332 and the latching movement is stopped, and within the second interval 334, the rotary latch 210 is automatically brought from the open position 400 to the latched position 402 with the second latching force 336.

[0074] The tensioning unit 300 is rotatable about a second rotation axis 311 and has a catch 314, which, together with the tensioning element 310, moves on a second circular path 502 about the second rotation axis 311.

[0075] The catch 314 can only catch the follower 215 during its movement on the second circular path 502 about the second rotation axis 311 in the direction of the follower 215 if the rotary latch 210 has previously been moved on the first circular path 500 about the first rotation axis 211 in the direction of the tensioning unit 300 and has thereby reached an intermediate position 404 between the open position 400 and the latched position 402 (as shown). Figure 2

[0076] In the described design, the catch 314 and the follower 215 move on two intersecting circular paths 500, 502. Here, the movement on the first circular path 500 takes place within or during the movement of the movable vehicle component 210 within the first interval 330. The movement on the second circular path 502 takes place within or during the movement of the movable vehicle component 210 within the second interval 334.

[0077] ​In order for the catch 314 to be able to "catch" the follower 215, the follower 215 must be located at the intersection of the two circular paths 500, 502 at the correct point in time, otherwise the catch 314 misses. The application makes use of this to provide mechanical anti-trapping protection, in particular purely mechanical / only mechanical anti-trapping protection: if there is no obstacle 600 in the movement area of the movable vehicle component 100, the follower 215 and the catch 314 are guided on their respective circular paths 500, 502 such that they safely engage with one another. Conversely, if there is an obstacle 600 in the movement area of the movable vehicle component 100, the rotary latch 210 and with it its follower 215 do not move on the first circular path 500, as a result of which the catch 314 cannot catch the follower 215 when the catch moves on its second circular path 502 into the region of the intersection of the two circular paths 500, 502.

[0078] In particular, the lock assembly 1 has, in addition to the lock unit 200, a tensioning unit 300, which comprises a tensioning element 310, which is adapted and interacts with the rotary latch 210 having a follower 215 in such a way as to form a mechanical anti-trapping protection.

[0079] In the present embodiment, the tensioning element 310, which is supported in a rotationally fixed manner about a second rotation axis 311, comprises a tensioning lever 312 having a force point 313, which is necessary for the automatic actuation of the tensioning aid, a catch 314, which is supported in a hinged manner about a third rotation axis 315 at the tensioning lever 312 against the force of a return spring 316, and a coupling lever 317. In normal operation, the catch 314 serves to move the rotary latch 210 into the locked position 402 via the follower 215.

[0080] The coupling lever 317 is connected to the tensioning lever 312 in a torsionally fixed manner, primarily for the movement coupling of the tensioning element 310 to the ejection pin 320. As can be seen best in Figure 4 and Figure 7 The coupling lever 317 for this purpose has a coupling element 318, which is designed as a coupling pin 319 in the present embodiment. The ejection pin 320 for this purpose has a coupling element 322, which is designed as a coupling opening 323 in the present embodiment.

[0081] The ejection pin 320 is directed at the movable vehicle component 100 and its free end contacts the movable vehicle component 100 or in any case is in close proximity to the movable vehicle component 100. In this embodiment, the ejection pin 320 is telescopic, i.e. it consists of at least two parts which can be moved relative to one another in such a way that the overall length of the ejection pin 320 is adjustable and thus selectable. However, shortening of the ejection pin 320 can only take place if the force of the return spring 321 is overcome. If no external force is acting on the ejection pin 320, this is in its maximum length.

[0082] In Figure 1 which the movable vehicle component 100, for example the bonnet, the front panel or the rear panel, has been closed to such an extent that the locking element 110 has been accommodated in the front section of the slot-shaped locking element accommodation 213 of the rotary latch 210. For this purpose, the dead weight of the movable vehicle component 100 is usually sufficient to do this.

[0083] In this open position 400, the gap width between the movable vehicle component 100 and the vehicle body is for example 21 mm. Now, a drive device, not shown, begins to cause the tensioning element 310, i.e. the tensioning rod 312 on which the catch 314 is mounted and the coupling rod 317 which is connected to the tensioning rod 312 in a torsion-proof manner, to be twisted about the second rotary axis 311 via the force point 313.

[0084] By means of the coupling elements 318, 322 of the coupling rod 317 and the ejection pin 320, the ejection pin 320 is pressed down by the action of the drive device against the force of the return spring 321, so that it is shortened. The movable vehicle component 100 at its free end is thereby also moved downwards, so that the locking element 110 also moves the rotary latch 210 further in the direction of the locked position 402. Finally, the gap width between the movable vehicle component 100 and the vehicle body is for example 8 mm. At this stage, it is almost impossible for a body part to unintentionally enter the gap between the movable vehicle component 100 and the vehicle body.

[0085] Figure 2 The lock assembly 1 is shown in an intermediate position 404, in which the catch 314 has caught the follower 215 and then pushed it downwards in the direction of the locked position 402 (as shown in Figure 3 .

[0086] In Figure 3 which the rotary latch 210 with the locking element 110 has reached the locked position 402 and the blocking hook 223 of the pawl 220 engages with the locking hook 214 of the rotary latch 210 in order to fix it in the locked position 402.

[0087] Figures 4 to 7Showing from different perspectives, such as Figures 1 to 3 Specific details of the same embodiment of the locking component 1 according to the present invention are shown.

[0088] Figure 4 The first detailed drawing shows, in particular, how the pawl 220 is supported in a manner that allows it to rotate about the fourth axis of rotation 221 in a way that overcomes the force of the return spring 222. It is also clear that the tensioning element 310 includes a coupling rod 317 connected to the tensioning rod 312 in a torsional manner and has a coupling element 318 that interacts with a corresponding coupling element 322 of the ejector pin 320 to create a kinematic coupling between the tensioning element 310 and the ejector pin 320.

[0089] Figure 5 Showing with Figure 4 A similar illustration is provided, but some elements have been removed to better represent the details. For example, it can be clearly seen how the hook 314 is hinged to the tension rod 312, and thus can rotate a few degrees back and forth relative to the tension rod 312.

[0090] Figure 6 The diagram illustrates how the rotary latch 210 engages with the locking element 110, which is implemented as a lock bow 111 in this embodiment.

[0091] Figure 7 This illustrates how the pawl 220 can overcome the force of the return spring 222 to rotate about the fourth rotation axis 221, so that the blocking hook 223 engages with the locking hook 214 of the rotary latch 210. Furthermore, in Figure 7 This illustrates how the hook 314 of the tensioning element 310 engages the follower 215 of the rotary latch 210 to move the rotary latch 210 toward the locked position 402.

[0092] Figures 8 to 11 As shown Figures 1 to 3 The diagram illustrates an unsuccessful locking process of the same embodiment of the locking assembly 1 according to the invention, wherein an obstacle hinders the movement of the vehicle component 100.

[0093] Figure 8 and Figure 1 The same applies, that is, it shows the initial state of the rotating latch 210 of the locking assembly 1 and all other components in the open position 400.

[0094] exist Figure 9A first intermediate position 404.1 is shown in which, by action of a drive device not shown, the tensioning element 310, in particular the catch hook 314, has already been moved towards the locking element 110 located in the locking element receptacle 213 of the rotary latch 210. The rotary latch 210 has not yet been moved towards the catch hook 314, however. The reason for this is that there is an obstacle (not shown) below the movable vehicle component 100, more precisely between the movable vehicle component 100 and the vehicle body.

[0095] Due to the obstacle, the movable vehicle component 100 does not move downwards by its own weight and here does not adjust the rotary latch 210 in the direction of the locked position 402 (as shown) either. This can also be seen from the fact that, although the ejection pin 320 is moved downwards by coupling with the movement of the tensioning element 310, the movable vehicle component 100 does not drop and thus also does not rotate the rotary latch 210 to a position in which the catch hook 314 can catch the follower 215. Figure 3

[0096] A second intermediate position 404.2 is shown in which the catch hook 314 finally passes the locking element 110 without catching it, so that the movable vehicle component 100 is also not moved to the locked position 402 (as shown). Although this does not achieve the desired locking, the health of a user who has impeded the movable vehicle component 100 from reaching the locked position 402 with a body part is protected. Figure 10 Figure 3 Finally, the same applies as in

[0097] and thus also in Figure 11 , i.e. in the present embodiment, the tensioning unit 300 is adapted to reverse the action of trying to close the lock unit 200 after a few seconds, the lock assembly 1 moving to the open position 400. Figure 8 Figure 1

[0098] List of reference signs 1 lock assembly

[0099] 100 vehicle component

[0100] 110 locking element

[0101] 111 locking bow

[0102] 200 lock unit

[0103] 210 rotary latch

[0104] 211 first rotary axis

[0105] 212 return spring

[0106] 213 locking element receptacle ​​

[0107] 213 locking element receptacle

[0108] 214 locking hook

[0109] 215 follower

[0110] 220 pawl

[0111] 221 fourth rotation axis

[0112] 222 return spring

[0113] 223 blocking hook

[0114] 300 tensioning unit

[0115] 310 tensioning element

[0116] 311 second rotation axis

[0117] 312 tensioning rod

[0118] 313 force point

[0119] 314 grappling hook

[0120] 315 third rotation axis

[0121] 316 return spring

[0122] 317 coupling rod

[0123] 318 coupling element

[0124] 319 coupling pin

[0125] 320 ejection pin

[0126] 321 return spring

[0127] 322 coupling element

[0128] 323 coupling opening

[0129] 330 first interval

[0130] 332 first locking force

[0131] 334 second interval

[0132] 336 second locking force

[0133] 400 open position

[0134] 402 locked position

[0135] 404 intermediate position

[0136] 404.1 First intermediate position

[0137] 404.2 Second intermediate position

[0138] 500 First circular path

[0139] 502 Second circular path

[0140] 600 Obstacle

[0141] 602 Arrow

Claims

1. A locking assembly (1) for a movable vehicle component (100), the locking assembly comprising: - At least one locking unit (200), the at least one locking unit having: a rotary latch (210), the rotary latch having a locked position (402) in which the movable vehicle component (100) is secured, and having an open position (400) in which the movable vehicle component (100) is released; and a pawl (220) that interacts with the rotary latch (210), the pawl preventing the rotary latch (210) in the locked position (402) from moving to the open position (400); and - A tensioning unit (300) for closing the movable vehicle component (100) from the open position (400) to the locked position (402). The tensioning unit (300) is adapted to perform locking of the movable vehicle component (100) in at least two intervals (330, 334) with different locking forces (332, 336). The tensioning unit (300) has at least one drivable movable tensioning element (310), wherein, Within a first interval (330) having a first locking force (334), the tensioning unit (300) is additionally designed as a mechanical anti-pinch protection device and adapted to prevent the rotary latch (210) from moving from the open position (400) to the locked position (402) when an obstacle (600) obstructs the movement of the movable vehicle component (100). In the second interval (334) where the second locking force (336) is greater than the first locking force (332), the tensioning unit (300) is designed only as a locking unit and is adapted to automatically bring the rotary latch (210) from the open position (400) or from the intermediate position (404) to the locked position (402).

2. The lock assembly (1) according to claim 1, in, The tensioning unit (300) includes a tensioning element (310) wherein the tensioning element (310) and the rotary latch (210) are adapted and interact with each other such that, in the first interval (330), when an obstacle (600) obstructs the movement of the movable vehicle component (100), the rotary latch (210) is brought to the locked position (402) and the locking movement is stopped by the first locking force (332), and in the second interval (334), the rotary latch (210) is automatically brought from the open position (400) to the locked position (402) by the second locking force (336).

3. The lock assembly (1) according to claim 1 or 2, in, The tensioning unit (300) is mechanically designed and adapted to react differently depending on the presence of an obstacle (600).

4. The lock assembly (1) according to claim 2 or 3, in, The rotary latch (210) of the locking unit (200) is rotatable about a first rotation axis (211) and has a follower (215) that moves together with the rotary latch (210) about the first rotation axis (211) on a first circular path (500). The tensioning element (310) of the tensioning unit (300) is rotatable about a second rotation axis (311) and has a hook (314) that, together with the tensioning element (310), travels about the second rotation axis (311) along a second circular path (502). Move upwards, and - The hook (314) can only grasp the follower (215) during its movement on the second circular path (502) about the second rotation axis (311) when the rotary latch (210) has previously moved about the first rotation axis (211) on the first circular path (500) and thus reached the intermediate position (404) between the open position (400) and the locked position (402).

5. The lock assembly (1) according to any one of claims 1 to 4, in, The tensioning element (310) includes a tensioning rod (312) having a force-bearing point (313) for connecting to the drive device, and the hook (314) is arranged at the force-bearing point.

6. The lock assembly (1) according to claim 5, in, The hook (314) is mounted at the tension rod (312) in a manner that enables it to rotate about the third rotation axis (315) in a limited way, in order to overcome the action of the return spring (316).

7. The lock assembly (1) according to any one of claims 1 to 6, in, The tensioning unit (300) includes a pop-out pin (320) extending toward the movable vehicle component (100) and capable of moving to the locked position (402) against the action of the return spring (321), such that when the pawl (220) releases the rotary latch (210), the pop-out pin (320) moves the movable vehicle component (100) from the locked position (402) to the open position (400).

8. The lock assembly (1) according to claim 7, in, The pop-out pin (320) is kinetically coupled to the tensioning element (310) such that when the pawl (220) releases the rotary latch (210), the tensioning element (310) moves the pop-out pin (320) from the open position (400) to the locked position (402), and the pop-out pin (320) moves the tensioning element (310) from the locked position (402) to the open position (400).

9. The lock assembly (1) according to claim 7 or 8, in, The tensioning element (310) includes a coupling rod (317) having a coupling element (318) that interacts with a corresponding coupling element (322) of the pop-out pin (320) in a kinematically coupled manner.

10. The lock assembly (1) according to claim 9, in, The coupling element (318) of the coupling rod (317) is implemented as a coupling pin (319), which is fixed in the coupling element (322) of the pop-out pin (320) which is implemented as a coupling opening (323), the coupling element having a compensating gap transverse to the longitudinal direction of the pop-out pin (320).

11. The lock assembly (1) according to any one of claims 1 to 10, in, The pawl (220) has at least two blocking hooks (223) that engage with one of two or more locking hooks (214) of the rotary latch (210) to lock the rotary latch (210) in different positions.

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