EP3214240B1 - Motor vehicle door handle assembly having a securing element with a limit stop - Google Patents

Description

The invention relates to a motor vehicle door handle assembly with a lock cylinder for actuating a door lock by means of a key, wherein the lock cylinder is fixed in its installed position by means of a relative to the lock cylinder from a preassembly position in a mounting position displaceable securing element, wherein the securing element by means of at least one in a thread in the securing element engaging operating screw is moved from the pre-assembly to the mounting position.

Such motor vehicle door handle assemblies for door actuation of a motor vehicle are known from the WO 03/025320 A1 known. From the DE 199 50 172 A1 Furthermore, a motor vehicle door handle assembly according to the preamble of claim 1 is known.

From the EP 1 449 993 A1 Also, a motor vehicle door handle assembly is known, wherein the handle has an outdoor unit with a mounting shaft and is engaged transversely in a handle support. A shaft locking unit is slidably mounted in the support between the locking and unlocking positions. A control screw has a threaded portion screwed into the holder and a front free end which cooperates with the part of the surface of the locking unit.

A disadvantage of the known motor vehicle door handle assemblies with such a securing element for fixing the lock cylinder is that this is supported in the mounting position on a support surface of the motor vehicle door handle assembly and it can come in the support area to a high surface pressure. This surface pressure between the securing element and the bearing surface on the motor vehicle door handle assembly can lead to damage in particular in a later replacement and reinstallation of a lock cylinder.

The object of the invention is to overcome these disadvantages and to provide a motor vehicle door handle, are reliably avoided in the damage even when replacing and reinstalling a lock cylinder.

This object is achieved by a motor vehicle door handle assembly according to claim 1. Advantageous developments of the invention are specified in the subclaims.

Particularly advantageous in the motor vehicle door handle assembly with a lock cylinder for actuating a door lock by means of a key, wherein the lock cylinder is fixed in its installed position by means of a relative to the lock cylinder from a pre-assembly into a mounting position displaceable securing element, wherein the securing element by means of at least one in a thread in the securing element engaging operating screw is moved from the pre-assembly to the mounting position, it is that the securing element has at least one stop lug on which the actuating screw in the mounting position abuts axially in its screwing.

By arranging such a stop lug a surface pressure between the fuse element and another component of the motor vehicle door handle assembly is avoided as the actuating screw, since in the mounting position of fuse element and actuating screw, the actuating screw rests against the stop lug of the fuse element.

The direction of movement in the direction of the axis of the actuating screw when screwing the actuating screw into the thread in the securing element is meant here with the screwing-in direction of the actuating screw. This means that the direction in the axial direction of the screw is referred to with respect to the securing element with the screwing of the actuating screw, regardless of the question of whether the actuating screw and / or the securing element displaces relative to the rest of the motor vehicle door handle assembly.

The term preassembly position denotes a position of the securing element and of the actuating screw, in which the insertion of the wearing cylinder into its installation position provided for this purpose is possible. With the term of the mounting position, a position of the securing element and the actuating screw is designated, in which the lock cylinder is secured by the displaced in the mounting position fuse element in its installed position.

The securing element may be formed by a slide, which can be pushed back and forth between the pre-assembly position and the assembly position by an actuation of the actuating screw. With respect to the lock cylinder to be fixed by means of the securing element, the preassembly position of the slide thus corresponds to a release position. Accordingly, the mounting position of the slider with respect to the locking cylinder to be fixed corresponds to the locking position. In the release position of the lock cylinder can be inserted into the space provided for this purpose and removed from the installation space. In the locking position of the lock cylinder is preferably fixed by the slide positively in its installed position.

Preferably, the actuating screw is supported in the pre-assembly and / or during its actuation and / or in the mounting position in the direction of the securing element on a support surface of a support of the motor vehicle door handle assembly.

By such a support surface on a support of the motor vehicle door handle assembly, the relative movement of the securing element relative to the motor vehicle door handle assembly is made possible because the actuating screw is supported during actuation of the support surface and insofar an axial movement of the actuating screw is prevented in the direction of the securing element. It follows imperatively in an actuation of the actuating screw, the relative movement of the securing element relative to the carrier Motor vehicle door handle assembly and thus also with respect to the lock cylinder inserted into the motor vehicle door handle assembly.

Particularly preferably, the stop lug of the securing element is designed such that in the mounting position, a contact between the actuating screw and the stop lug on the securing element occurs without a surface pressure between the securing element and the carrier of the motor vehicle door handle assembly occurs.

This means that in this embodiment of the stop lug the securing element does not bear against the carrier of the motor vehicle door handle arrangement in its travel direction from the preassembly position into the mounting position. Accordingly, no such surface pressure can arise without such a contact. With the contact between the fuse element and the carrier of the motor vehicle door handle assembly while standing under surface pressure contact at a contact surface is perpendicular or at an angle to the direction of the securing element in the displacement of the securing element from its pre-assembly meant in the mounting position. By the way, since the securing element rests in the carrier, there is of course a contact between these components.

The stop lug can thus be dimensioned such that not only too high surface pressure between the securing element and a support of the motor vehicle door handle assembly is avoided, but the stop lug can also be dimensioned in a preferred embodiment such that it is only in the mounting position to a contact between the Stop lug of the fuse element and the actuating screw comes without any contact between the fuse element and a support of the motor vehicle door handle assembly comes about. Accordingly, no such surface pressure can arise without such a contact.

Preferably, the securing element is formed by a particular U-shaped bracket which engages around the lock cylinder and secures in the mounting position in the axial direction of the lock cylinder. This bracket can be open U-shaped or closed. It is particularly advantageous if the bracket surrounds the lock cylinder on two sides and thereby secures and fixes it in the mounting position.

Particularly preferably, the securing element is moved at an angle of 45 ° to 90 ° relative to the axis of the lock cylinder from the pre-assembly position to the mounting position.

Preferably, the lock cylinder is in the installed position a form-fitting in a cylinder housing in the motor vehicle door handle assembly.

Preferably, the securing element surrounds the lock cylinder in the mounting position in a form-fitting manner and secures the lock cylinder in the assembly position, in particular in the axial direction of the lock cylinder.

Preferably, in particular in its pre-assembly position, the actuating screw is supported axially in the direction away from the securing element on a second bearing surface of a carrier of the motor vehicle door handle arrangement.

This second abutment surface on a support in the unscrewing of the actuating screw allows unscrewing the actuating screw to this second stop, the further unscrewing the actuating screw from the thread in the securing element then due to the concern of the actuating screw on the second stop the displacement of the securing element from the mounting position brought back to the pre-assembly position to remove the lock cylinder and replace. By this second opposing stop a replacement of the lock cylinder is thus facilitated, since the securing element can be moved back from its mounting position back to its pre-assembly, in which the lock cylinder is not blocked by the securing element. In the mounting position of the lock cylinder is blocked as explained by the securing element.

The term of the unscrewing of the actuating screw while the axial direction of movement of the actuating screw is designated relative to the securing element in a unscrewing the actuating screw from the thread in the fuse element.

The motor vehicle door handle assembly may further comprise a handle disposed in a handle housing and displaceable from a rest position to an actuated position by rotation about an axis of rotation, wherein a handle hook disposed at the back of the handle at the free end is kinematically coupled to a bell crank, the bell crank acting indirectly or directly on a motor vehicle door lock during the displacement from the rest position to the actuation position, to effect a release of the lock and to allow an opening of the vehicle door.

Accordingly, the motor vehicle door handle assembly may comprise a handle housing in which the lock cylinder in a corresponding receptacle and further the securing element and the actuating screw are arranged, which serves for the displacement of the securing element from the pre-assembly into the mounting position. This handle housing may itself have the first and / or the second stop on which the actuating screw rests depending on the direction of rotation. The handle housing can thus form a carrier. In the handle housing, however, a carrier may be arranged as a separate component, which has the first and / or the second stop.

Fig. 1

Eine perspektivische Ansicht eines Ausschnitts einer Kraftfahrzeugtürgriffanordnung mit eingelegtem Sicherungselement und Betätigungsschraube;

Fig. 2

den Schnitt A - A nach Figur 1 mit der Position der Betätigungsschraube beim Einsetzen von Sicherungselement und Betätigungsschraube;

Fig. 3

den Schnitt A - A nach Figur 1 mit der Betätigungsschraube in der Transportposition;

Fig. 4

den Schnitt A - A nach Figur 1 mit der Betätigungsschraube in der Montageposition und dem Sicherungselement in der Vormontageposition;

Fig. 5

eine vergrößerte Draufsicht auf das Sicherungselement und die Betätigungsschraube in der Montageposition.

An embodiment of the invention is illustrated in the figures and will be explained below. Show it:

Fig. 1

A perspective view of a section of a motor vehicle door handle assembly with inserted fuse element and actuating screw;

Fig. 2

the section A - A after FIG. 1 with the position of the actuating screw during insertion of securing element and actuating screw;

Fig. 3

the section A - A after FIG. 1 with the actuating screw in the transport position;

Fig. 4

the section A - A after FIG. 1 with the actuating screw in the mounting position and the securing element in the preassembly position;

Fig. 5

an enlarged plan view of the fuse element and the actuating screw in the mounting position.

In the figures, identical components are provided with identical reference numerals.

Fig.1 shows an enlarged detail of a perspective view of a motor vehicle door handle assembly with the carrier 1 of the motor vehicle door handle assembly. In the illustration according to Fig. 1 are the fuse element 2 and the actuating screw 3 already inserted into the carrier 1. The left side of the picture shows the cylindrical receptacle 5, which is the receptacle of an in Fig. 1 Not shown lock cylinder is used.

Once in the cylindrical receptacle 5, the lock cylinder was inserted from above, then the fuse element 2 by means of the actuating screw 3 in the image plane according to for mounting and securing the lock cylinder Fig. 1 shifted to the right. This is done by the screw is screwed into the thread in the fuse element 2. By the displacement of the fuse element 2 to the right in the image plane according to Fig. 1 a positive connection between corresponding projections on the securing element 2 and the inserted lock cylinder is brought about. As a result, the lock cylinder is fixed and secured in its mounting position by the securing element 2. When the fuse element 2 is a slide in the form of a U-shaped bracket, which in accordance with the operation of the actuating screw 3 in the image plane Fig. 1 can be moved to the left or right. As shown in the illustration Fig.1 can also be seen, the securing element 2 has a stop lug 4, which rests in the final assembly position on the head of the actuating screw 3.

The FIGS. 2 to 4 show the section AA after Fig. 1 with securing element 2 and actuating screw 3 in different positions.

Fig. 2 shows the section AA Fig. 1 with the position of the actuating screw 3 when inserting securing element 2 and actuating screw 3 in the carrier 1. As in Fig. 2 can be seen, the carrier 1 has a recess 6 which is dimensioned such that the head of the actuating screw 3 can be inserted through this recess 6 in the carrier 1 in the carrier 1.

After the securing element 2 and the screwed into a thread in the securing element 2 actuating screw 3 were inserted into the carrier 1, the actuating screw 3 is unscrewed until this as in Fig. 3 has been shown brought into their transport position. In the transport position, the actuating screw 3 is secured by the carrier designed as a cage 1 both in the axial direction and in the radial direction by corresponding stops on the carrier 1. The term of the axial direction or the radial direction refers to the axis of the actuating screw 3 and the radial direction perpendicular to this axis of the actuating screw 3. For this purpose, the carrier 1 has an axial stop 7, on which the actuating screw in the transport position Fig. 3 in the axial direction. Furthermore, the carrier 1 has a radial stop, which prevents the actuating screw 3 again from the transport position in the image plane according to Fig. 3 could swing up or down. Due to the configuration of the carrier 1 thus the actuating screw 3 in the transport position according to Fig. 3 secured in their position. Characterized in that the actuating screw 3 in the transport position according to Fig. 3 is still in the thread in the fuse element 2 is engaged, at the same time the fuse element 2 also in the transport position according to Fig. 3 secured.

After insertion of the lock cylinder in the space provided for this cylindrical receptacle 5 in the carrier 1 of the motor vehicle door handle assembly then the actuating screw 3 in the mounting position according to Fig. 4 spent. For this purpose, the actuating screw 3 is screwed by means of a corresponding tool in the thread in the fuse element 2 until the actuating screw 3 comes to the stop 8 on the support 1 with the screw head to the plant. Is the actuating screw 3 in the position according to Fig. 4 spent and abuts against the stop 8 on the support 1, performs a further actuation of the actuating screw 3 automatically to a displacement of the fuse element 2 in the image plane according to Fig. 4 in the direction of the right. As a result of this displacement of the securing element 2 in the image plane to the right, the U-shaped bracket serving as the securing element 2 comes into positive engagement with the lock cylinder, whereby the lock cylinder is secured in its mounting position.

As the top view Fig. 5 can be seen in the mounting position, the securing element 2 on a stop lug 4, which rests in the mounting position on the head of the actuating screw 3. Also is in Fig. 5 recognizable that the head of the actuating screw 3 rests against the stop 8 on the carrier 1. Furthermore, the stop lug 4 is dimensioned on the securing element 2 such that it comes to a contact between the head of the actuating screw 3 and the stop lug 4, incidentally, however, the securing element 2 is not pressed against the carrier 1. As a result, a surface pressure between the fuse element 2 and carrier 1 is avoided. As a result, damage to the carrier 1 during assembly of the fuse element 2 are avoided. This also makes it possible, if necessary, to replace the lock cylinder, without it comes to a possible re-installation to possible damage, as by the dimensioning of the stop lug 4 on the fuse element 2 a contact and thus a surface pressure between the fuse element 2 and the carrier. 1 reliably avoided.

By the rear stop 7 in the axial direction on the support 1, it is again possible to turn the actuating screw 3 far enough from the thread in the securing element 2, that upon reaching the stop 7 in the axial direction when unscrewing the actuating screw 3, a further actuation of the Actuating screw 3 in the unscrewing causes a displacement of the fuse element 2 in the image plane to the left. As a result, the securing element 2 can again be displaced so far to the left until the securing element 2 moves out of engagement with the lock cylinder and then the lock cylinder can be exchanged.

Claims (8)

1. Motor vehicle door handle arrangement having a locking cylinder for actuating a door lock by means of a key, wherein the locking cylinder in the installation position thereof is fixed by means of a securing element (2) which can be displaced relative to the locking cylinder from a preassembly position into an assembly position, wherein the securing element (2) is displaced by means of at least one actuation screw (3) which engages in a thread in the securing element (2) from the preassembly position into the assembly position, characterised in that the securing element (2) has at least one stop projection (4) with which the actuation screw (3) in the assembly position is axially in abutment in the screwing-in direction thereof.
2. Motor vehicle door handle arrangement according to claim 1, characterised in that the actuation screw (3) in the preassembly position and/or during the actuation thereof and/or in the assembly position is supported in the direction towards the securing element (2) on a support face (8) of a carrier (1) of the motor vehicle door handle arrangement.
3. Motor vehicle door handle arrangement according to claim 1 or 2, characterised in that the stop projection (4) of the securing element (2) is constructed in such a manner that in the assembly position a contacting occurs between the actuation screw (3) and the stop projection on the securing element (2) without a surface pressure occurring between the securing element (2) and the carrier (1) of the motor vehicle door handle arrangement.
4. Motor vehicle door handle arrangement according to any one of the preceding claims, characterised in that the securing element (2) is formed by means of an in particular U-shaped curved member which engages around the locking cylinder and which secures it in the assembly position in the axial direction of the locking cylinder.
5. Motor vehicle door handle arrangement according to any one of the preceding claims, characterised in that the securing element (2) is displaced through an angle of from 45° to 90° relative to the axis of the locking cylinder from the preassembly position into the assembly position.
6. Motor vehicle door handle arrangement according to any one of the preceding claims, characterised in that the locking cylinder in the installation position is located in a positive-locking manner in a cylinder housing in the motor vehicle door handle arrangement.
7. Motor vehicle door handle arrangement according to any one of the preceding claims, characterised in that the securing element (2) engages around the locking cylinder in a positive-locking manner in the assembly position and secures the locking cylinder in the assembly position, in particular in an axial direction of the locking cylinder.
8. Motor vehicle door handle arrangement according to any one of the preceding claims, characterised in that the actuation screw (3) is supported in particular in the preassembly position thereof axially in the direction facing away from the securing element on a second support face (7) of a carrier (1) of the motor vehicle door handle arrangement

Images