Motor vehicle locks, especially motor vehicle door locks

Abstract

The present invention relates to a motor vehicle lock, in particular a motor vehicle door lock, comprising a locking mechanism (1, 2) and an electric drive (4, 5, 6), the locking mechanism mainly comprising a rotary lock fork (1) and a locking pawl (2), the electric drive being configured to operate at least two different functional states. A first coupling rod (7) and a second coupling rod (8) are provided for achieving one or two functional states. According to the present invention, the two coupling rods (7, 8) are coaxially supported together with a locking rod (9) and can be selectively operated by the electric drive (4, 5, 6) to additionally achieve at least one third functional state.

Description

Technical Field

[0001] The present invention relates to a motor vehicle lock, in particular a motor vehicle door lock, which has a locking mechanism and an electric drive device. The locking mechanism mainly includes a rotating lock fork and a locking pawl. The electric drive device is configured to operate at least two different functional states. A first connecting rod and a second connecting rod are provided to achieve one functional state or two functional states. Background Art

[0002] Here, and by way of example, an electric drive is used to open the locking mechanism, or for so-called "servo opening" or "electric opening" of the corresponding locking mechanism. This type of electric opening is increasingly used in practice for reasons of comfort. For this purpose, a sensor or switch can be assigned to the outside handle. If the outside handle is actuated, the triggered sensor or switch ensures that the electric drive for the locking mechanism is powered. This drive typically ensures that the locking pawl is lifted from the locking engagement with the rotary latch in the locked state of the locking mechanism. The locking mechanism thus undergoes the required electric or electrical opening, as is generally disclosed in the prior art according to document DE 10 2017 124 521 A1.

[0003] This also applies to situations where a vehicle user approaches a vehicle with an associated vehicle lock, in particular a vehicle door lock, from the outside. In this case, the opening process can be initiated automatically by a question-and-answer dialog between the vehicle user or a key they carry and the vehicle, or simply by remote control. In practice, various variations are possible.

[0004] In addition to the aforementioned servo-opening of the locking mechanism, this electric drive can also achieve a number of other functional states. This includes, in particular, achieving a safe state for the safety device. The safe state can include functional states such as "locked," "child safety lock," or "anti-theft safety lock." Therefore, the safety device is designed accordingly as a central locking device, a child safety device, and an anti-theft safety device. In practice, separate electric drives are typically used for the respective safety devices. This is both structurally and economically expensive, as the design of such an electric drive is very costly and drives up the price of such a motor vehicle lock. Furthermore, the design of the electric drive is extensive, which contradicts the ideal compact design.

[0005] To this end, the prior art according to WO 2019 / 233518 A1 has largely sought to utilize an electric drive or its included driven wheel to provide at least one additional function, in particular an anti-theft safety function, in addition to the electrical opening described above. Typically, a first pivoting motion of the driven wheel opens the locking mechanism, while a second, opposite-to-first pivoting motion of the driven wheel enables the anti-theft safety function and / or child safety function. This has proven advantageous in principle.

[0006] Similarly, reference is also made to EP 1 113 133 A1. In this case, a motor vehicle door lock is also provided with a drive device that can perform two opposite movements. In one direction of movement, a child safety function is actuated. In the other direction of movement, a servo-opening or central locking function can be established.

[0007] The prior art has proven advantageous in principle, but there is still room for improvement in realizing other functional states using an electric drive. Summary of the Invention

[0008] The object of the present invention is to improve such a motor vehicle lock, in particular a motor vehicle door lock, in such a way that further functions in addition to the two functional states mentioned can be realized.

[0009] In order to solve this technical problem, the motor vehicle lock of the type described, in particular the motor vehicle door lock, is distinguished within the scope of the present invention in that the two connecting rods and the locking rod are coaxially supported together and can be selectively controlled by an electric drive device (of the above two functional states) to additionally realize at least one other different third functional state.

[0010] The present invention primarily provides that, in addition to the first coupling rod and the second coupling rod, at least one locking rod is provided, and the two coupling rods are coaxially mounted together with the at least one locking rod. This coaxial mounting allows the three rods to be actuated, namely, the at least one locking rod and the two coupling rods to be selectively actuated by an electric drive. Thus, with the aid of a (single) electric drive, not only two different functional states can be actuated and implemented, but also, according to the present invention, at least one additional third functional state can be implemented.

[0011] In practice, this can be done so that the functional states of "lock / unlock," "child safety lock / child safety lock release," and "anti-theft safety lock / anti-theft safety lock release" can be set to a minimum. In most cases, electric servo opening is conceivable and can be achieved by means of a (single) electric drive. It can be generally provided that, in a first actuation direction of the electric drive, the locking mechanism is servo-opened or electrically opened / locked by means of the electric drive.

[0012] The opposite second actuation direction, on the other hand, primarily serves to enable the entry and implementation of different safety states. These include the safety states "locked or central locking," "child safety lock," and "anti-theft safety lock." These safety states, defined as "locked or central locking," "child safety lock," and "anti-theft safety lock," can be released again in the second actuation direction. However, for this purpose, the electric drive is typically acted upon / loaded in the first actuation direction. Consequently, the associated locking mechanism, primarily consisting of a rotary latch and a pawl, typically not only assumes the released position of the corresponding safety device (in this example, the central locking device, the child safety device, and the anti-theft safety device) but is also simultaneously opened or in the open state. Of course, the aforementioned functional states can also be entered and released within the context of a combined movement of the (single) electric drive in the first and additionally the second actuation directions.

[0013] According to an advantageous design, a safety lever is also supported coaxially with the two coupling rods and the locking lever. The safety lever can be, for example, an anti-theft safety lever, by means of which the anti-theft safety device can be acted upon.

[0014] The electric drive itself typically includes a motor, an output gear, and a pivot lever. The pivot lever is typically designed so that it meshes with the output gear or a gear on the output gear. This means that the pivot lever is not only rotatable about a regular central axis of rotation, but also typically has teeth at its end that mesh with the aforementioned gear on the output gear.

[0015] Furthermore, it is advantageous if the pivot lever is equipped with two actuating contours. These are typically implemented on either side of the aforementioned (central) axis of rotation. One actuating contour is typically designed as a securing contour, while the other is designed as a release contour. This means that the securing contour generally acts on the safety device to achieve its safe functional state. The release contour, on the other hand, serves to release the safety device from its secure state.

[0016] Specifically, the first coupling rod interacts with the child safety lever. The second coupling rod generally interacts with the anti-theft safety lever. The locking lever and / or the anti-theft safety lever can in turn interact with a separately provided inner locking lever and / or an inner / outer coupling rod. The inner / outer coupling rods can be used to disconnect or connect the associated inner or outer actuating rod chain. The disconnected position of the associated actuating rod chain corresponds to the disconnected position of the coupling rod, while the mechanically continuous connection of the associated actuating rod chain corresponds to the "connected" state of the associated coupling rod.

[0017] In the mechanically closed functional state in which the coupling rods are "coupled", the corresponding inner or outer actuating rod chain is active, so that the corresponding locking rod is in its "unlocked" position. The "locked" state of the locking rod means that the corresponding inner or outer actuating rod chain is disconnected, so that the corresponding coupling rod is in the "disconnected state".

[0018] Thus, a motor vehicle lock, in particular a motor vehicle door lock, is provided that is configured and capable of realizing and establishing a total of three different functional states using a single electric drive. This was previously considered impossible in the prior art. Essentially, this possibility is achieved by having two coupling rods coaxially supported with a locking rod and selectively actuated by a single electric drive. This represents a major advantage. BRIEF DESCRIPTION OF THE DRAWINGS

[0019] The invention will be explained in more detail below with the aid of the accompanying drawings which illustrate only one embodiment.

[0020] Figure 1A and Figure 1B This is a diagram showing the state of achieving the "central locking" function.

[0021] Figure 2 It is a rear view of the output wheel which is a component of the electric drive device.

[0022] Figure 3A and Figure 3B This is a diagram showing the state of implementing the "child safety lock" function.

[0023] Figure 4 This is a diagram showing the state of the "anti-theft safety lock" function.

[0024] Figure 5A and Figure 5B This is a diagram showing the central locking and anti-theft security status being released.

[0025] Figure 6 This is a diagram showing the child safety lock function being released.

[0026] Figure 7It is a schematic diagram of realizing / releasing the above functional state in the corresponding actuation direction. DETAILED DESCRIPTION

[0027] The accompanying drawings show a motor vehicle lock, in the case of the present embodiment a motor vehicle door lock. The motor vehicle lock has a rotation locking mechanism 1, 2 comprising a rotary lock fork 1 and a locking pawl 2, which is only Figure 1A Schematically shown in FIG. The trigger lever 3 can also be seen, which is actuated by means of an electric drive 4, 5, 6 which will be described in detail later. For this purpose, the electric drive 4, 5, 6 has a cam profile 5a on the rear side of the output wheel 5. When the output wheel 5 is moved along the Figure 1A When the trigger lever 3 moves a certain amount in the clockwise direction as shown schematically in FIG. Figure 1A The counterclockwise swing is also schematically shown in FIG. Figure 2 Supplementary information is shown in the figure.

[0028] In short, the trigger rod 3 is Figure 1A The counterclockwise pivoting movement shown causes the pawl 2 to disengage its locking engagement with the rotary latch, thereby opening the rotary latch 1 .

[0029] The electric drive device 4, 5, 6 has a motor 4 in addition to the aforementioned output wheel 5. The motor 4 is equipped with a worm on its output shaft, which meshes with the output gear or output wheel 5 on the outer circumference, so that the output wheel 5 can be moved counterclockwise and clockwise in this way. In addition, it can be seen that a gear is formed on the front side of the output wheel 5, and the rocker lever 6 meshes with this gear with its bottom tooth section. The gear on the front side of the output wheel 5 is opposite to the contour 5a on the rear side of the output wheel 5, which acts on the trigger lever 3. This is achieved by the same method as the one according to FIG. Figure 2 This can be clearly seen by comparing the rear view.

[0030] The electric drives 4, 5, 6 are provided for controlling at least two different functional states of a motor vehicle lock or motor vehicle door lock. For example, this could be the previously described opening of the locking mechanism 1, 2 by the clockwise rotation of the output wheel 5, whereby the rear contour 5a pivots the trigger lever 3 counterclockwise about its axis. Furthermore, the electric drives 4, 5, 6 can be used to define and implement one or more safety states of one or more safety devices as additional functional states.

[0031] In fact, the central locking device, the child safety device and the anti-theft safety device are implemented as a safety device according to the embodiment. Therefore, the safety states of the safety device correspond to the functional states of "central locking", "child safety locking" and "anti-theft safety locking". In order to be able to specifically realize and occupy these functional states, a first connecting rod 7 and a second connecting rod 8 are provided. In addition, according to the present invention, a locking rod 9 is additionally implemented. The two connecting rods 7, 8 and the locking rod 9 are coaxially supported in a manner that can be rotated relative to a common axis 10. Another locking rod is also coaxially supported on the axis or rotation axis 10, which according to this embodiment can mainly be Figure 4 The anti-theft safety bar 11 is seen in FIG.

[0032] In this way, the (single) electric drive 4, 5, 6 can transfer the motor vehicle lock into at least three different functional states via the two coupling rods 7, 8 and the locking rod 9 and possibly the anti-theft safety rod 11. These functional states are realized in Figure 1A and 1B The implementation shown as the "Central Lock" position in Figure 3A and 3B The function status of "child safety lock" is displayed in Figure 4 The status of "Anti-theft security lock" is displayed in the middle.

[0033] and Figure 5A and Figure 5B The central locking system and the anti-theft security system are unlocked, and finally Figure 6 In order to achieve the corresponding functional state, one or more operating processes of the electric drive devices 4, 5, 6 can correspond to a first actuation direction and a second actuation direction opposite thereto, such as Figure 7 According to this embodiment, the first actuation direction corresponds to a counterclockwise movement (ccw=counterclockwise) of the output wheel 5, while the second actuation direction corresponds to a clockwise movement (cw=clockwise) of the output wheel 5 (in Figure 1A ).

[0034] Structurally, the swing lever 6 is designed as a two-arm lever and is rotatably supported about a main central axis 12. In fact, the swing lever 6 is equipped with two actuating profiles 6a and 6b at the ends of its two arms. Actuating profile 6a is a release profile, while the second actuating profile 6b is designed as a fixing / locking profile. It can be seen that the second fixing profile 6b is arranged at the end of one arm of the two-arm swing lever 6, adjacent to a toothed section provided at the bottom thereof. This toothed section, in turn, meshes with a gear provided on the front side of the output wheel 5. This converts the rotational motion of the output wheel 5 into rotational motion of the swing lever 6.

[0035] Figure 1A and Figure 1B The functional state of "central locking" is shown. For this purpose, the output wheel 5 is acted upon in a first actuation direction in the counterclockwise direction. As a result, the pivot lever 6 is pivoted about its axis. Figure 1A The clockwise movement shown. As a result, the fixing contour 6b can act on the locking lever 9. However, the two coupling rods 7, 8 and the anti-theft safety lever 11 are not in the effective range of the pivot lever 6 or its fixing contour 6b.

[0036] Because the locking lever 9 is acted upon by the fixed contour 6b of the pivot lever 6, it pivots about the common axis 10, i.e., in a counterclockwise direction. This allows the locking lever 9 to interact with the inner locking lever 13, which pivots in the clockwise direction shown in the figure. Furthermore, the locking lever 9 acts via the cantilever 9a on the inner or outer coupling lever 14, causing it to pivot clockwise. This causes the inner or outer coupling lever 14, respectively, to disconnect the inner or outer actuating lever chain (not shown in detail), thereby transitioning to its "disconnected" state.

[0037] As soon as the locking lever 9 is in its "locked or centrally locked" position, the inner or outer coupling lever 14 is in its "disconnected" position, mechanically disconnecting the corresponding inner or outer actuating lever chain (not shown in detail). Consequently, in the "disconnected" state of the respective coupling lever 14, any actuation of that chain has no effect, as is generally known and expected in the "locked or centrally locked" state of the corresponding central locking device. The inner locking lever 13 disconnects the inner actuating lever chain, while the coupling lever 14 is part of the outer actuating lever chain. In short, both the inner and outer actuating lever chains are disconnected.

[0038] Figure 1B It is shown that after the locking lever 9 is applied, the electric drive means 4, 5, 6 move in the reverse direction. In fact, this reverse movement or reverse movement of the electric drive means 4, 5, 6 is initially provided by the spring 15, which is typically designed as a neutral zero point spring and is arranged and positioned inside the output wheel 5, as shown in FIG. Figure 2 The spring 15 is loaded during the locking process and is responsible for returning the output wheel 5 and, with it, the swing lever 6 to its original starting position after the motor 4 no longer acts on the output wheel 5. Figure 1A Starting from the position of the output wheel 5, the output wheel 5 moves in the second actuation direction or clockwise, corresponding to this, and the pivot lever 6 thus pivots in the counterclockwise direction about its axis 12. During this reverse movement, the contour 5a on the rear side of the output wheel 5 does not normally engage with the trigger lever 3, so that the locking mechanism 1, 2 remains in its locked or fixed position.

[0039] Another spring 16 between the first coupling rod 7 and the locking rod 9 serves to transfer the first coupling rod 7 into its exposed fixed position or safety state. Figure 1A In this case, the two coupling rods 7 , 8 for achieving the “locked or centrally locked” position are each in a released retracted position and therefore cannot be acted upon by the pivot lever 6 in this retracted position.

[0040] The fixed position or safety state of the coupling rod or first coupling rod 7 means that the coupling rod can interact with the pivot lever 6. This is a prerequisite for realizing another "child safety lock" functional state by means of the first coupling rod 7 in the next actuation stroke of the electric drive 4, 5, 6, which will be described later according to Figure 3A and Figure 3B The diagram explains.

[0041] In fact, in Figure 3A As can be seen in the figure, in the next second actuation stroke of the electric drive device 4, 5, 6, the output wheel 5 is again - as shown in FIG. Figure 1A As shown, the action is exerted in the counterclockwise direction, or the first actuation direction. Consequently, the pivot lever 6 again performs a clockwise rotational movement about its axis 12, so that the fixing profile 6b provided at the bottom of the pivot lever 6 can now move against the first coupling lever 7. This causes the first coupling lever 7 to rotate counterclockwise about the common axis 10. The second coupling lever 8, however, is not affected by the pivot lever 6 because it remains in its fixed or retracted position.

[0042] Since the first coupling rod 7 is engaged with the child safety bar 17, the counterclockwise movement of the first coupling rod 7 around the axis 10 causes the associated child safety bar 17 to rotate in this embodiment and according to Figure 3A The figure shows a movement to the left, as indicated by the corresponding arrow. At the end of this movement, the child safety lever 17 enables the corresponding child safety device to enter its "child safety locked" functional state. This child safety state corresponds to the inner coupling lever 18 typically being disconnected from the inner actuating lever chain (not shown) and in its "disengaged" state. Consequently, the corresponding motor vehicle door cannot be opened from the inside. Accordingly, the outer coupling lever 14 remains in its coupled position.

[0043] After the functional state of "child safety lock" is achieved and the motor 4 no longer acts on the output wheel 5, the output wheel 5 is reset again. Figure 3B As can be seen from the diagram of FIG. In the running process of the output wheel 5 described above, the spring or the neutral zero point spring 15 (refer to Figure 2 ) is again responsible for achieving this. Output wheel 5 - such as Figure 1BAs shown - a clockwise movement in the second actuation direction, the pivot lever 6 thus rotates counterclockwise about its axis 12. An action on the output wheel 5 in the second actuation direction, or clockwise, also does not result in an action on the locking mechanisms 1, 2 via the trigger lever 3. In fact, the locking mechanisms remain in their locked or fixed position.

[0044] After this second actuation stroke, the reverse movement of the electric drive 4, 5, 6 results in a further spring 19 between the second coupling rod 8 and the locking rod 9 for transferring the second coupling rod 8 from its previously assumed released or retracted position to a fixed or secure position in the exposed position relative to the pivot lever 6. Figure 4 The motor vehicle lock can be transferred as a whole to another third functional state of "anti-theft safety locking".

[0045] In fact, the electric drive devices 4, 5, 6 are used to realize Figure 4 The corresponding "anti-theft safety lock" functional state is applied in its first actuation direction, or counterclockwise, by a third stroke. This causes the pivot lever 6 to pivot clockwise, so that the securing profile 6b acts on the second coupling lever 8 and, simultaneously, on the first coupling lever 7. In this process, the second coupling lever 8 interacts with the anti-theft safety lever 11.

[0046] The anti-theft safety lever 11 is moved counterclockwise about the common axis 10 by the fixing profile 6b of the swing lever 6 itself, causing the anti-theft safety lever 11 to transfer the outer coupling lever 14 to its "disengaged" position by means of the cantilever 11a. At the same time, the action on the first coupling lever 7 causes the inner coupling lever 18 - as according to Figure 3A By achieving the disconnected position of the inner coupling lever 18 and the outer coupling lever 14, both the inner and outer actuating lever chains (not shown) are disconnected, so that the relevant motor vehicle door cannot be actuated either from the inside or from the outside, which is usually associated with the "anti-theft safety locking" functional state.

[0047] After the output wheel 5 is acted upon by the motor 4 in the first actuation direction, or counterclockwise, during the aforementioned third stroke for achieving the "anti-theft safety lock," the output wheel 5 returns to its normal position, i.e., is reversed. To this end, the spring 15 is activated again. During this process, the output wheel 5 is acted upon in the second actuation direction, or clockwise, and the pivot lever 6 consequently moves counterclockwise about its axis 12. As described above, acting upon the output wheel 5 in the second actuation direction, or clockwise, does not result in an actuation of the trigger lever 3.

[0048] Figure 5A and Figure 5B Shown respectively from Figure 1AStarting from the central locking position shown or from the Figure 4 The release process starts from the functional state of the anti-theft safety lock shown. In fact, this release process corresponds to: the swing lever 6 uses its release contour 6a opposite to the fixing contour 6b to exert an action. For this purpose, according to Figure 5A , the output wheel is acted upon in the second actuating direction, or clockwise, so that the pivot lever 6 performs a counterclockwise movement about its axis 12. This causes the release contour 6a to engage with the locking lever 9 and with the anti-theft safety lever 11, depending on the previously established functional state ("central locking" or "anti-theft safety locking" or possibly both).

[0049] In summary, the counterclockwise movement of the pivot lever 6 about its axis 12 causes the release contour 6a of the pivot lever 6 to pivot the locking lever 9 and the anti-theft safety lever 11 clockwise about their common axis 10. Consequently, the cantilever arm 9a on the locking lever 9 and the cantilever arm 11a on the anti-theft safety lever 11 no longer (or not) act on the outer coupling lever 14 and the inner coupling lever 18, which are thus moved from their previously "disengaged" position to their "coupled" position under the action of the spring. This results in the corresponding outer and inner actuating lever chains being closed. Furthermore, during this process, the inner locking lever 13 pivots counterclockwise, causing the inner coupling lever 18 to also leave its previously "disengaged" position and become coupled under the action of the spring, thereby also closing the corresponding inner actuating lever chains. Upon completion of this process, the motor vehicle lock assumes the "central locking" or "anti-theft safety locking" functional state.

[0050] exist Figure 5A After this release process in the diagram of FIG, the output wheel 5 is reversed. Figure 5B , and again in the following manner: Spring 15 is already loaded inside the driven wheel 5 during the unlocking operation described above and, after the motor 4 is released, ensures the reverse movement of the driven wheel 5. In this case, the reverse movement of the driven wheel 5 corresponds to a counterclockwise movement in the first actuation direction. As a result, the pivot lever 6 also pivots clockwise about its axis 12, and the release contour 6a moves away from the locking lever 9 and the anti-theft safety lever 11. The loading of the anti-theft safety lever 11 also simultaneously shifts the second coupling lever 8 from its previously fixed, exposed position to a released, retracted position. Furthermore, a spring 16 located between the locking lever 9 and the first coupling lever 7 ensures that the first coupling lever 7 also assumes its released, or retracted, position.

[0051] exist Figure 6 According to Figure 3AThe release of the "child safety lock" function state corresponds to: the output wheel 5 moves clockwise in the second actuation direction, and the pivot lever 6 is correspondingly acted on counterclockwise around its axis 12. As a result, the release contour 6a on the pivot lever 6 can be adjusted from the state according to Figure 3A The "child safety lock" function state of the first coupling rod 7 occurs and causes the first coupling rod to swing in the clockwise direction around the axis 10. Since the first coupling rod 7 is engaged with the child safety bar 17, the clockwise movement of the first coupling rod 7 causes the child safety bar 17 to be locked. Figure 6 The child safety lever 17 is then moved to the right in the illustration, as indicated by the arrow. As a result, the child safety lever 17 can no longer interact with the inner coupling lever 18. Consequently, the inner coupling lever 18, under the action of the spring, transitions from its previously "disengaged" position in the "child safety locked" position to the "coupled" and "child safety unlocked" position. Simultaneously, the inner actuating lever chain is closed. The associated motor vehicle doors can then be opened sequentially from the inside.

[0052] exist Figure 7 The previously described scenarios are summarized again in the following. A distinction is made between the driver's door or passenger door ("front door") and the rear side doors ("rear door"). Furthermore, the various safety devices are represented by "CL" for central locking, "DL" for anti-theft safety devices, and "PCL" for child safety devices. Each of these safety devices is shown in the "locked" or "unlocked" state.

[0053] As can be seen, in the case of the passenger door or the driver's door, the transition from the unlocked position (CL / DL unlocked) to the central locked position (CL locked) simply requires the electric drive device 4, 5, 6 to be actuated once in the first actuation direction or in the counterclockwise direction (ccw), that is, ccw1. When the electric drive device 4, 5, 6 is actuated a second time in the first actuation direction, that is, ccw2, the transition from the central locked position to the anti-theft safety state (DL locked) can be achieved.

[0054] In order to release the anti-theft safety state or the central locking position again, it is necessary to load the electric drive 4, 5, 6 in the opposite direction to the first actuation direction, that is, in the second clockwise actuation direction or in the cw (clockwise) direction. This can be achieved in one stroke, namely cw1.

[0055] Now, considering the rear side door (tailgate), the transition from the CL / PCL / DL unlocked release position to the central locking position (CL locked) also requires a simple application of force in the first actuation direction, ccw1. To achieve the child-resistant state (PCL locked), a second actuation stroke of the electric drive devices 4, 5, 6 is required, corresponding to ccw2. The final transition from the child-resistant state to the anti-theft safety state (DL locked) requires a third stroke of the electric drive devices 4, 5, 6, ccw3.

[0056] To release the anti-theft safety position (DL lock), the electric drive 4, 5, 6 must simply be actuated in the opposite direction, namely in the second actuation direction, clockwise cw1. From the child-resistant position (PCL lock), two actuations in the second actuation direction, clockwise cw2, are required. Conversely, releasing the central locking position (CL lock) requires simply acting on the electric drive 4, 5, 6 in the second actuation direction, cw1.

[0057] List of reference numerals:

[0058] 1 Turn the locking fork

[0059] 2 locking claws

[0060] 1, 2 Locking mechanism

[0061] 3 Trigger lever

[0062] 4, 5, 6 Electric drive

[0063] 4 motors

[0064] 5 Output wheel, output gear

[0065] 5a Cam profile

[0066] 6 Swing Rod

[0067] 6a, 6b Actuation profile

[0068] 6a Uncontouring

[0069] 6b Fixed outline

[0070] 7 First connecting rod

[0071] 8 Second connecting rod

[0072] 9 Locking lever

[0073] 9a Cantilever

[0074] 10 Axles or shafts

[0075] 11 Anti-theft security bar

[0076] 11a Cantilever

[0077] 12 Center axis

[0078] 13 Inner locking lever

[0079] 14 Inner and outer connecting rods

[0080] 15 Neutral zero point spring

[0081] 16 Spring

[0082] 17 Child safety bars

[0083] 18 Inner connecting rod

Claims

1. A motor vehicle lock, comprising a locking mechanism (1, 2) and an electric drive device (4, 5, 6), wherein the locking mechanism mainly comprises a rotary lock fork (1) and a locking pawl (2), and the electric drive device is configured to operate at least two different functional states, and a first connecting rod (7) and a second connecting rod (8) are provided for realizing one functional state or two functional states. It is characterized by: The two coupling rods (7, 8) are coaxially supported together with the locking rod (9) and can be selectively controlled by the electric drive (4, 5, 6) to additionally realize at least one further third functional state. In the mechanically closed functional state in which the coupling levers are "coupled", the corresponding inner or outer actuating lever chain is active, so that the corresponding locking lever is in its "unlocked" position; The "locked" state of the locking lever means that the corresponding inner actuating lever chain or outer actuating lever chain is disconnected, so the corresponding coupling lever is in the "disconnected state".

2. The motor vehicle lock according to claim 1, characterized in that A safety rod is coaxially supported with the two coupling rods (7, 8) and the locking rod (9), and is an anti-theft safety rod (11).

3. The motor vehicle lock according to claim 1 or 2, characterized in that: The electric drive device (4, 5, 6) comprises a motor (4), an output wheel (5) and a swing arm (6).

4. The motor vehicle lock according to claim 3, characterized in that: The oscillating lever (6) is equipped with two actuating contours (6a, 6b).

5. The motor vehicle lock according to claim 4, characterized in that: The two actuating contours (6a, 6b) are realized on both sides of the rotation axis (12).

6. The motor vehicle lock according to claim 4, characterized in that: One of the actuating profiles (6b) is designed as a fixing profile (6b), while the other actuating profile (6a) is designed as a releasing profile (6a).

7. The motor vehicle lock according to claim 1 or 2, characterized in that: The first coupling rod (7) interacts with the child safety rod (17).

8. The motor vehicle lock according to claim 1 or 2, characterized in that: The second connecting rod (8) interacts with the anti-theft safety rod (11).

9. The motor vehicle lock according to claim 1 or 2, characterized in that: The locking lever (9) and / or the anti-theft safety lever (11) interacts with the inner locking lever (13) and / or with the inner / outer coupling lever (14).

10. The motor vehicle lock according to claim 1 or 2, characterized in that: The function states that can be set include "lock / unlock", "child safety lock / child safety lock release", and "anti-theft safety lock / anti-theft safety lock release".

11. The motor vehicle lock according to claim 1 or 2, characterized in that: The motor vehicle lock is a motor vehicle door lock.

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