DE102006048371A1 - Device for pivoting a movable part - Google Patents

Abstract

The invention relates to a device for pivoting a mobile part (10) of a motor vehicle, especially a door, a tailgate, a trunk lid or the like. The invention is characterized by a planar activation unit (20) that can be brought into a closed position and in an open position, and a housing unit (30) on which said activation unit (20) is arranged so as to be pivoted about an axis of rotation (31). For emergencies, a closing cylinder (40), rotatably received in the housing unit (30), is provided for manually opening a lock of a locking system arranged on the mobile part (10). For standard cases, a switching element (32) for electrically opening the lock is arranged in the housing unit (30), the switching element (32) being connected to the locking system via signals and being activated to the open position by displacing the activation unit (20).

Description

The The invention relates to a device for pivoting a movable Part of a motor vehicle, in particular a door, a Tailgate, a trunk lid or the like.

In the DE 38 35 265 A1 a device for pivoting a movable body part of a motor vehicle is disclosed in which a handle assembly is located in the region of the rear wall of a luggage compartment lid and consists essentially of an open towards the rear wall recessed grip and a cover. This cover in turn consists of a cover plate and two, at the rear and at a distance from each other arranged pivoting arms. The bottom of the recessed grip has at its overhead area serving for performing the pivot arms passage opening.

Further the pivot arms are each on a projecting from the back of the bottom pivot bearing hinged.

To the Pivoting the cover between a closed position and an open position is an actuating cylinder, which has a Piston rod is articulated on the pivot arm. In the area of the soil the recessed grip is an actuating element a lock for locking the movable body part intended. It has disadvantageously shown that in this Device used kinematics is very expensive, in particular move the cover in its respective position. Furthermore the user must grasp the recessed grip to the actuator to activate, which is not easily accessible.

It Object of the present invention, a device for pivoting a moving part of a motor vehicle to create which avoids the above-mentioned disadvantages, in particular has a greater functionality and is simply designed, while at the same time giving the user a comfortable device is provided.

to solution This object is achieved by a device having the features of the claim 1 proposed. In the dependent claims preferred developments are executed.

To is provided according to the invention, that the device is a flat Activation unit, which in a closed position and in an open position can be brought. Furthermore, a housing unit is provided on the the activation unit arranged pivotable about a rotation axis is, where for an emergency situation a lock cylinder, in the housing unit is rotatably mounted, for manually opening one on the movable Part arranged lock a locking device is provided and for a normal situation a provided on the housing unit switching element is arranged by a manual movement of the activation unit is activated in the open position and a signal for electrically opening the Castle triggers.

advantageously, serves the activation unit in its closed position as a protective element for the am or in the housing unit arranged elements, for example for the lock cylinder. Furthermore, in the normal situation, the movement of the activation unit from its closed position in its open position activates the switching element, which is a signal for electrical opening of the castle. The normal case situation describes at Here, the present invention, the state in which the closing device - for example a central lock - itself in the unlocked state, at the same time the respective lock is closed on the movable body part. Through the movement the activation unit, which is well accessible to the user, in the open position, the lock of the moving part becomes electric open, so that the user manually unlocks the unlocked and opened moving part can pivot. The switching element can in this case via a direct contact will be addressed. Of course they are Switching elements can be used, the contactless, for example via sensors, optical elements, etc. by the movement of the activation unit can be activated.

The Emergency situation, however, describes the condition in which the vehicle electronics completely failed, allowing an electric opening of the lock can not be done. This means that through a movement of the Activation unit with a simultaneous activation of the switching element on electric opening process of the castle can not be effected. The user can in this Emergency situation the activation unit in the open position manually move, with the lock cylinder is freely accessible in the open position. The user can change his emergency key in the lock cylinder usher in and according to the lock cylinder actuate, so that manually the lock arranged on the moving part is opened.

According to the invention, the activation unit is designed as a cover which has a swivel arm which is mounted on the axis of rotation, wherein the housing unit has an opening on the side facing the activation unit, through which the swivel arm extends at least in the open position of the activation unit. Expediently, the swivel arm has a receiving region to which the activation unit is attached. Of the Receiving area, for example, be designed plan, wherein the pivot arm has a curved course.

In a preferred embodiment the invention is on the axis of rotation with a moving arm with the pivoting Cam arranged in the open position of the activation unit activates the switching element. The switching element may be to act on a microswitch, the signal in contact with the cam for electrical opening of the castle. In a possible Embodiment forms the pivot arm with the cam a uniform Component. The swivel arm can be made of either a plastic material or made of metal be. Preferably, activation unit and pivot arm are spring loaded.

advantageously, is a pusher element on the housing unit attached, which faces the activation unit. Through a manually moving the activation unit in the direction of the opening of the housing unit is the pusher element operable, that subsequently pushes the activation unit in the opposite direction, causing the swivel arm, the activation unit in the direction of the open position emotional. At the pusher element it may be, for example, a kind of "push-push" element, which is first pressed by the activation unit and subsequently exerts a force directly on the activation unit and this pushes in the direction of open position. The force coming from the pusher element is exercised on the activation unit, for example starting from a spring. In one possible embodiment According to the invention, the pusher element is located laterally to the housing opening.

In a preferred embodiment the invention, a motor is arranged on the housing unit in the normal situation, the swivel arm drives, causing the activation unit can be moved. Here, the motor can be directly on the swivel arm it is also possible to attack is that over a corresponding kinematics within the housing unit, on the swivel arm acts, the activation unit is moved.

In an alternative embodiment is a proximity sensor arranged on the activation unit provided in the normal situation, an approximation of a User detected, whereby a signal of the proximity sensor is triggered, which is used to move the activation unit from the closed position used in the open position. The proximity sensor may be For example, to act on a capacitive sensor on the activation unit is attached. To achieve a satisfactory detection, is the proximity sensor on the activation unit facing side of the receiving area arranged the swivel arm. Is the vehicle in an unlocked Condition and approaching If the user of the activation unit detects the proximity sensor at a defined distance such an approach. In a possible embodiment the invention sends the proximity sensor a signal to a control unit which is mounted on the vehicle, which activates the motor, which in turn drives the pivot arm, causing the activation unit from its closed position to the open position is moved. Preferably, by a further, manual pivoting the activation unit to the outside the switching element are activated, which has an opening of the Castle causes.

The Activation unit can, for example, in a first and in a second open position to be moved, wherein the cam on the Rotational axis is arranged that only during the movement of the activation unit activated in the second open position, the switching element by the cam becomes. The angular range between the closed position and the first open position is preferably in an angular range between 5 ° and 25 °. The angle between the closed position and the second open position is advantageously between 15 ° and 45 °.

Farther can be provided according to the invention be that directly on the pivot arm is a cam, the while the movement of the activation unit in the direction of the opening of the housing unit activates the switching element. In this embodiment, the user exerts a slight pressure on the activation unit, which faces the housing unit is moved, wherein at the same time arranged on the pivot arm cam, which is arranged at a distance from the axis of rotation of the pivot arm moves is and in a defined stroke of the activation unit, the switching element contacted and activated.

In a possible Variant of the invention, the activation unit is rotatable on the receiving area of Swivel arm stored. Preferably, the axis of rotation is centered located the activation unit and has a defined distance to the axis of rotation of the swivel arm. Furthermore, the switching element in this embodiment directly by the movement of the activation unit about the axis of rotation actuated become.

In a further alternative embodiment, the activation unit has a base part facing the pivoting arm and an external, planar activation element, wherein the activation element is rotatable relative to the base part. In a rotational position of the activation element there is a distance between the base part and the activation element. Is the activity In its closed position, without the user acting on it, the activation element rests directly on the base part. Advantageously, a sliding guide is provided on the activation unit, which allows rotation of the activation element to the fixed base part. In the emergency situation, the user exerts a rotational movement on the activation element, whereby the activating element moves away from the stationary base part via the slotted guide and at the same time performs a rotational movement. This creates a distance between the activation element and the fixed base part. The user can intervene in this gap between the base part and the activation element and manually guide the activation unit into an open position.

advantageously, can inside the housing unit an image acquisition unit to be rotatably mounted, the in the open position of the activation unit via a motor pivoted outward is. Advantageously, after inserting the reverse gear of the motor vehicle the motor is driven, causing a movement of the activation unit from the closed position in the open position and a movement of the image acquisition unit the housing unit outward causes. The image capture unit is used for vehicle environment detection, giving a good overview allows is, in particular, when rearward parking for the detection of approaching Persons or objects from the big one Benefit is. The activation unit serves at the same time, the Image capture unit in its rest position to protect against contamination.

Further Advantages, features and details of the invention will become apparent the description below, with reference to the drawings several embodiments the invention are described in detail. The can in the claims and mentioned in the description Features individually for each itself or in any combination essential to the invention. It demonstrate:

1a an inventive device for bi-directional pivoting of a tailgate with an activation unit, which is in a closed position,

1b the device according to 1a wherein the activation unit is in an open position,

1c the device according to 1b with a camera extended out of the device,

2a a sectional view according to the device according to the invention 1a .

2 B a sectional view of the device according to 1b .

2c a sectional view of the device according to 1c .

3a a further alternative of the device according to the invention in a sectional view, wherein the activation unit is in the closed position,

3b the device according to 3a wherein the activation unit is in an open position,

4a an additional alternative of the device according to the invention, wherein the activation unit is in a closed position,

4b the device according to 4a , wherein the activation unit is in an open position,

4c the device according to 4b in plan view,

5 the activation unit according to 4a and

6 the activation unit according to 5 in an exploded view.

In 1a to 1c is an inventive device for bidirectional pivoting of a movable part, in the present case a tailgate 10 represented. In this case, the device has a planar activation unit 20 on, from their closed position in 1a in an open position according to 1b and 1c is movable. On the activation unit 20 For example, a logo, in particular an emblem, may be arranged.

The device according to the invention is on the tailgate 10 arranged, for example, in 2a to 2c is indicated. In this case, the device has a housing unit 30 on, at which the activation unit 20 around a rotation axis 31 is arranged pivotally. Furthermore, a lock cylinder 40 provided in the housing unit 30 is rotatably mounted. Inside the housing unit 30 is a switching element 32 attached. As can be seen, the activation unit is 20 designed as a lid, with a swivel arm 21 connected is. The swivel arm 21 is on a rotation axis 31 stored. The housing unit 30 has an opening 33 on, through which the swivel arm 21 at least in the open position of the activation unit 20 according to 2 B and 2c erststreckt. In the present embodiment, the Schwen karm 21 a substantially planar recording area 22 on where the activation unit 20 is attached. Between the reception area 22 and the activation unit 20 is a capacitive sensor as a proximity sensor 24 arranged. In the present embodiment, the sensor 24 injected within a plastic material to ect from soiling, moisture ect. to be protected. The encapsulated proximity sensor 24 is at the reception area 22 clipped. Other mounting alternatives are of course conceivable. The cable guide from the proximity sensor 24 runs along the swivel arm 21 in the direction of the motor vehicle.

At the axis of rotation 31 is one with the swivel arm 21 moving cam 23 in the closed position of the activation unit 20 a distance to the switching element 32 which is in 2a is clarified. In an open position of the activation unit 20 contacted the cam 23 the switching element 32 , which emits a signal for electrically opening the lock, not shown (see 2 B ). This signal can be sent directly to the locking device. It is also conceivable that the switching element 32 transmits the signal to a control unit, which then causes an electrical opening of the lock.

Further, one is on the activation unit 20 facing pusher element 34 on the housing unit 30 provided, which in 1b and 1c is indicated. An unillustrated motor is on the housing unit 30 attached, the swivel arm 21 with the activation unit 20 can drive. The motor in the present exemplary embodiment is a stepper motor.

In the normal situation, in which the user approaches the motor vehicle and unlocks the central locking system, for example via an ID transmitter, the user can by a corresponding approach or touch the activation unit 20 the proximity sensor 24 respond, which detects such an approximation. Subsequently, a signal from the proximity sensor 24 triggered, whereby the motor is activated and a movement of the swivel arm 21 counterclockwise causes. By merely approaching the activation unit 20 Thus, an electrical opening of the activation unit takes place 20 , The activation unit 20 is in a first open position, which in 2 B is shown. In this first open position, which can also be referred to as readiness position, the cam has 23 still a distance to the switching element 32 on. To effect an electrical opening of the lock, the activation unit must 20 manually pivoted by the user from the first open position to the second open position counterclockwise further out, which in 2 B is shown. In the second open position of the activation unit 20 touches the cam 23 the switching element 32 , whereby the electric opening operation of the lock is effected. The user can activate the activation unit 20 Raise further, causing the boot lid 10 can be opened or pivoted into an open position. Because high forces during the movement of the trunk lid 10 be exercised is the activation unit 20 as well as the swivel arm 21 appropriately reinforced and can absorb loads of more than 500 N.

In an emergency situation in which the entire vehicle electronics has failed, the user can by pressing on the activation unit 20 in the direction of the motor vehicle, the pusher element 34 Press, which is equipped with a "push-push" function and then the activation unit 20 pushes outward again. Thus, in the emergency situation, the user can manually first activate the activation unit 20 move from the closed position to an open position. Opening and unlocking the lock of the boot lid 10 can only over the lock cylinder 40 take place, in the open position of the activation unit 20 accessible to the user. 2 B shows an example of an emergency key 41 that is inside the lock cylinder 40 located. After the lock on the lock cylinder 40 open, the user can open the boot lid 10 open in which he activates the unit 20 further raises.

The device according to the invention is further provided with a camera 60 fitted inside the housing unit 30 on a rotation axis 61 is arranged stored. The 2a and 2 B show the camera 60 in their rest position, located within the housing unit 30 located. If the user engages reverse gear, the camera is activated via an unillustrated motor 60 as well as the activation unit 20 pivoted outwards. This is done via a kinematics within the housing unit 30 next to a movement of the camera 60 a movement of the activation unit 20 caused by its closed position in an open position. Of course it is possible to swing the camera 60 manually activated by the user.

In 3a and 3b a further embodiment of the invention is shown, wherein the activation unit 20 rotatable on the receiving area 22 of the swivel arm 21 around an axis 25 is stored. In the normal situation, the user must apply a pressure force on the activation unit 20 exercise, which exemplarily in 3b is indicated. The activation unit 20 turns around the axis 25 After the user reaches the bottom of the activation unit 20 has pressed with his thumb. In contrast to the first embodiment is the switching element 32 in the lower part of the housing unit 30 attached directly by contacting the activation unit 20 is pressed, which in 3b is shown. Subsequently, after activation of the switching element 32 the electric opening of the lock. The user can then into the recessed grip 11 engage and the tailgate 10 Lift.

In the emergency situation the user reaches into the forming gap 42 after getting the activation unit 20 around the axis 25 has pivoted by an operation of the user. The user can activate the activation unit 20 in the area of the gap 42 pull, causing the activation unit 20 with the swivel arm 21 around the axis of rotation 31 outwardly counterclockwise moves into an open position, which is not shown. Is the activation unit 20 in this open position, can be a manual opening of the tailgate 10 over the lock cylinder 40 respectively. Ultimately, the user can at the recessed grip 11 attack and thus the tailgate 10 Lift.

In the 4a . 4b . 4c . 5 and 6 a third alternative embodiment of the invention is shown. In this case, the activation unit 20 a the swivel arm 21 facing base part 26 and an external activating element 27 on. In the closed position contacted the base part 26 the activation element 27 which is in 4a is shown. About a tension spring 29 becomes the activation unit 20 at the base part 26 recorded. In the normal case, the user puts pressure on the activation unit 20 , thereby overpressing the activation unit 20 arises in the direction of the motor vehicle. That means the activation unit 20 an overstroke in the direction of the housing unit 30 performs. Instead of a "push-push" element from the first embodiment is a hollow, rigid seal between the activation unit 20 and the outer housing unit 30 arranged. While the activation unit 20 an overstroke moves in the direction of the motor vehicle, this seal is pressed, at the same time the switching element 32 over a cam 28 , the swivel arm 21 is arranged, is activated. As in the first embodiment, thereby an electronic opening of the lock is triggered. After the activation unit 20 actuated by the user, the seal pushes the activation unit 20 back to their original position. The user can in the recessed grip 11 engage and the tailgate 10 of the motor vehicle.

In the emergency situation, the user can activate the activation unit 20 from its closed position into an open position by first pressing on the activating element 27 and by a simultaneous left or right rotation, a movement of the activation element 27 outwards to the fixed base part 26 causes. The activation element 27 is thus from the base part 26 turned out by a defined angle range. This is a link guide 50 at the activation unit 20 provided, which is a rotation of the activation element 27 away from the fixed base part 26 allows which in 5 and 6 is shown explicitly. In the present embodiment, the slotted guide 50 a pin 51 on, in a one-sided open cavity 52 is guided. The pin 51 is projecting, inside on the activation element 27 arranged and the base part 26 facing. The base part 26 is with the activation element 27 open cavity 52 executed. The base part 26 and the activation element 27 are over the mainspring 29 connected with each other. While the user is activating 27 to the base part 26 twisted, the pin slides 51 inside the cavity 52 from. The cavity 52 is here designed such that during the movement of the pin 51 this through the appropriate geometry of the cavity 52 is pushed out. In the in 4c shown rotational position of the activation element 27 , there is a gap between the base part 26 and the activation element 27 , The forming gap 43 between the base part 26 and the activation element 27 is in 4b clarified. Now the user can enter the gap 43 the activation unit 20 , which is still in its closed position, intervene and the activation unit 20 outward into an open position about the axis of rotation 31 pivot. Subsequently, the user can embrace and below the base part 26 grab another movement of the activation unit 20 to cause to the outside, which in 4b is shown. Is no more power on the activation element 27 exercised, pulls the tension spring 29 the activation element 27 to the base part 26 , wherein at the same time the activation element 27 on the slide tour 50 turns back to its original position. This return movement of the activation element 27 is through the in 4b indicated arrow shown. The user can now use the lock cylinder 40 Manually open the lock.

The second and third embodiments further include a camera 60 up, out of the opening 33 the housing unit 30 can be pivoted, which is already described in the first embodiment. The invention described, of course, also relates to a device for bidirectionally pivoting a movable part 10 , In particular, a tailgate, in which no camera is provided.

10

portable Part, tailgate

11

grip

20

activation unit

21

swivel arm

22

reception area

23

cam

24

Proximity sensor

25

axis

26

base

27

energizer

28

cam

29

mainspring

30

housing unit

31

axis of rotation

32

switching element

33

opening

34

pusher element

40

lock cylinder

41

emergency

42

Gap, gap

43

gap

50

link guide

51

spigot

52

cavity

60

Image capture unit

61

axis of rotation

Claims (17)

Device for pivoting a movable part ( 10 ) of a motor vehicle, in particular a door, a tailgate, a trunk lid or the like, characterized by a planar activation unit ( 20 ), which can be brought into a closed position and into an open position, a housing unit ( 30 ) at which the activation unit ( 20 ) about a rotation axis ( 31 ) is pivotally mounted, wherein for an emergency situation, a lock cylinder ( 40 ) located in the housing unit ( 30 ) is rotatably mounted, for manually opening a on the movable part ( 10 ) arranged lock a locking device is provided and by the activation unit ( 20 ) is completely coverable, and for a normal situation, a on the housing unit ( 30 ) provided switching element ( 32 ) is arranged by a manual movement of the activation unit ( 20 ) can be activated in the open position and triggers a signal for electrically opening the lock. Device according to claim 1, characterized in that the activation unit ( 20 ) is designed as a lid, a swivel arm ( 21 ), which at the axis of rotation ( 31 ), wherein the housing unit ( 30 ) an opening ( 33 ) at the activation unit ( 20 ) facing side through which the swivel arm ( 21 ) at least in the open position of the activation unit ( 20 ). Device according to claim 1 or 2, characterized in that the swivel arm ( 21 ) a receiving area ( 22 ) on which the activation unit ( 20 ) is attached. Device according to one of the preceding claims, characterized in that on the axis of rotation ( 31 ) with the swivel arm ( 21 ) moving cam ( 23 ) is arranged, which in the open position of the activation unit ( 20 ) the switching element ( 32 ) is activated. Device according to one of the preceding claims, characterized in that a pusher element ( 34 ) on the housing unit ( 30 ), which is the activation unit ( 20 ), wherein by manually moving the activation unit ( 20 ) in the direction of the opening ( 33 ) of the housing unit ( 30 ) the pusher element ( 34 ), which then activates the activation unit ( 20 ) pushes in the opposite direction, causing the activation unit ( 20 ) is moved in the direction of the open position. Device according to one of the preceding claims, characterized in that a motor on the housing unit ( 30 ) is arranged, which in the normal situation, the swivel arm ( 21 ), causing the activation unit ( 20 ) is moved. Device according to one of the preceding claims, characterized in that on the activation unit ( 20 ) a proximity sensor ( 24 ) is provided, which detects an approach of a user in the normal situation, whereby a signal of the proximity sensor ( 24 ) is triggered, so that the activation unit ( 20 ) is moved from the closed position to the open position. Device according to one of the preceding claims, characterized in that the activation unit ( 20 ) is movable in a first and in a second open position, wherein the cam ( 23 ) so on the axis of rotation ( 31 ) is arranged so that only during the movement of the activation unit ( 20 ) in the second open position, the switching element ( 32 ) through the cam ( 23 ) is activated. Device according to one of the preceding claims, characterized in that the swivel arm ( 21 ) a cam ( 28 ), which during the movement of the activation unit ( 20 ) in the direction of the opening ( 33 ) of the housing unit ( 30 ) the switching element ( 32 ) is activated. Device according to one of the preceding Claims, characterized in that the activation unit ( 20 ) rotatable about an axis ( 25 ) is stored. Device according to one of the preceding claims, characterized in that the activation unit ( 20 ) a the swivel arm ( 21 ) facing base part ( 26 ) and an external activation element ( 27 ), wherein the activation element ( 27 ) relative to the base part ( 26 ) is rotatable. Apparatus according to claim 11, characterized in that in a rotational position the activation element ( 27 ) a distance between the base part ( 26 ) and the activation element ( 27 ) consists. Apparatus according to claim 12, characterized in that a slotted guide ( 50 ) at the activation unit ( 20 ) is provided, which is a rotation of the activation element ( 27 ) to the fixed base part ( 26 ). Apparatus according to claim 13, characterized in that the slotted guide ( 50 ) a pin ( 51 ), which in a one-sided open cavity ( 51 ) is guided. Device according to one of the preceding claims, characterized in that an image acquisition unit ( 60 ) within the housing unit ( 30 ) on a rotation axis ( 61 ) is arranged, which in the open position of the activation unit ( 20 ) is pivotable outwards via a motor. Apparatus according to claim 15, characterized in that is activated after engaging the reverse gear of the motor vehicle, the motor, which is a movement of the activation unit ( 20 ) from the closed position to the open position and a movement of the image acquisition unit ( 60 ) from the housing unit ( 30 ) causes to the outside. Device according to one of the preceding claims, characterized in that on the activation unit ( 20 ) a company code is arranged.