EP0983417B1 - Arrangement and method for guiding a drive element along a support rail on a vechicle door strut - Google Patents

Description

The invention relates according to the preamble of claim 1 a Arrangement for guiding a driver a windowpane in a rope or Bowden window lifter for motor vehicles, the arrangement one on a support element for a motor vehicle, in particular on a carrier plate of a motor vehicle door module, arranged guide rail and a from the guide rail form-fitting and sliding guided, provided with a guide opening driver comprises.

It also relates according to the preamble of the claim Method for connecting a driver a window pane for rope or Bowden window lifters of motor vehicles with one on a support element a motor vehicle, in particular on a support plate a motor vehicle door module, arranged guide rail, the driver provided with a guide opening positively slidably guided.

For attaching components to a support element such as For example, it is a carrier plate or a door module common, fasteners such as screws, rivets, clips and the like, with which the component in question is mounted on the support element. This form of attachment but requires additional fasteners, caused for example when using blind rivets additional waste as well as for alignment, adjustment and attaching the component additional assembly time and corresponding installation costs.

In the manufacture and installation of adjustment for motor vehicles, it is often necessary to have a component having a tubular portion (eg, a Stepped bolt) and the example for rotatable storage a transmission element, a pulley or the like is provided with another component (e.g. connect to.

This is known from DE-OS 41 31 098, a multi-stage Achsbolzen, with the help of rivet elements on a Bracket is attached, for rotatably supporting the Use pulley of a cable window lifter. By doing Axle pin is provided a hole that the attachment the entire assembly (axle bolt, pulley, bracket and optionally other components) on a vehicle panel serves.

The well-known method for fixing a journal a bracket has the disadvantage that additional rivets or other fasteners are needed and a additional operation for attaching and possibly deforming the fastener is required.

Furthermore, it is in the manufacture and installation of adjustment often necessary for motor vehicles, two To join sheet metal parts together.

For joining sheet metal parts are so-called Durchsetzfügetechniken known with those by local plastic material forming a positive connection between the Both sheet metal parts is generated, thereby increasing the use additional connecting means (eg rivets) is unnecessary. These wrap-around techniques have the disadvantage that they an elaborate device for pre-assembly of the to be connected Sheet metal parts require, so that they are aligned with each other They can be used along the desired contact surfaces abut each other.

Another disadvantage is that the test of This makes the quality of the connections created more difficult is that the form-fitting interlocking areas the two sheet metal parts of a visual inspection difficult to access are.

From DE 44 17 279 A1 discloses a method for positive locking Connecting two components of adjusting for Motor vehicles are known, one of which is a tubular Section which is rotatable or non-rotatable Storage of another part is provided. The tubular Section of the first component is in a designated Guided opening of the second component and on the tubular portion a force in the axial direction exerted by the tubular portion in a Partial area is compressed, so that the compressed area the tubular portion of a positive connection produced with the second component. On the undeformed axial section of the first component, for example the pulley of a window lifter are stored.

The known method allows a simple and fast Production of a direct, durable connection of two Components in which, however, one of the two components permanently is deformed.

When mounting components on a support plate or Door module of a motor vehicle is also to be noted that the moisture-proof separation between the wet room and the drying room of a door is not interrupted because moisture sensitive components in the dry room of the Motor vehicle door damaged or impaired in their function can be.

Furthermore brings the structure of assemblies or their integration in other systems with increasing number of individual elements basically more disadvantages with it. These are not only an increased effort for handling, but also in error possibilities in the Paßfähigkeit and when assembling. A large number of parts required often additional measures for tolerance compensation, for example through slot guides, or very high precision during production, which in turn is very costly.

In addition, it is desirable with minimum weight in particular a door module maximum stability, preferably a maximum side impact stability to achieve. These conflicting claims can only be made with special ones technical measures such as stiffening embossments met which, in turn, the mounting options of the severely restrict components to be connected to a carrier element.

DE 195 28 467 A1 describes a vehicle door, whose door inner panel has a large area cutout, that of a rope window lift carrier plate is covered. The cable window lifter is a double-stranded window regulator with two guide rails for the guidance of a fellow of a lowerable Windowpane. The guide rails are over suitable Fastening means, e.g. Screws or rivets on the Carrier plate attached. The preamble of claims 1 and 12 are based on this prior art.

The object of the present invention is a device and to provide a method of the type mentioned above, where no additional fasteners or separate distance bridging means as well as no measures needed for tolerance compensation, the less assembly time and costs, possibly a water and pressure density Ensure connection on the support element and which allow a reduction of operations as well a weight reduction and increase in stability, especially side impact stability.

This object is achieved by an arrangement solved with the features of claim 1.

A method for achieving the object is characterized by the features of claim 12 .

The solution according to the invention makes it possible to fasten or attach and guide components on a carrier element, in particular a motor vehicle door without additional connecting element or separate distance bridging means and without measures for tolerance compensation, ensures minimal assembly time and minimal assembly costs and ensures in various embodiments that the closed contour the carrier sheet or door module is not interrupted by the guidance or attachment of the components, so that in these embodiments, no additional seals between the support member and the guided or fastened component are required.

Furthermore, the solution according to the invention allows a reduction the operations and a weight reduction at the same time increasing the stability, in particular the Side impact stability. This can be done when using low sheet thicknesses improved mechanical strength, in particular, an adaptable to specific conditions Strength can be achieved.

By impressing guide rails for the driver a windowpane of a rope or Bowden window lifter in the support element (support plate) and thus by the Integration of the guide rails in the support element is a one-piece arrangement instead of an otherwise three-part Arrangement with left and right guide rail and separate carrier plate for receiving the guide rails and drive means of a rope or Bowden window lifter created. This embodiment further enables the Compliance with tighter tolerances by manufacturing in one operation at defined intervals or at a defined Assignment of the left and right guide rails.

At least one guide rail and the carrier element be executed as a one-piece unit, the with further functional elements of a motor vehicle door as Door lock, electric control, wiring harness, window lift and the like forms a motor vehicle door module.

The guide rails can either the edge area form the support element or in the surface of the support element be incorporated.

Furthermore, the ends of the guide rails can Materialdurchstellungen for holding the Seilumlenkstückes or have for storing the pulleys, in particular nozzle settings and / or pot embossing.

A further advantageous embodiment of the invention Arrangement is characterized in that the carrier element several interconnected, embossed or deep-drawn Having areas preferably for receiving, Guiding and / or covering of components and for increasing rigidity serve the support element.

By this embodiment of the arrangement according to the invention an open system through the integration of stiffening embossing possible, in which a three-part design of a Rope or Bowden window lifter with left and right Guide rail and a support plate for receiving the Guide rails and the drive device is possible. In addition, a significant weight reduction by the use of thinner material at the same time increased Side impact stiffness achieved.

An advantageous embodiment of the method according to the invention is characterized in that a groove in the support member is deep-drawn or embossed.

Preferably, the channel is provided with a cross-sectional reduction for a desired deformation point or a desired deformation area, which divides the channel into a deformation area and a support or guide area. The deformation range is additionally deformed before or after the application of the driver.

Furthermore, the deformation region for forming an im Cross-section box-shaped, channel-like open channel with semi-circular end faces to be upset. For training a plate-shaped head with a or support area adjacent fold will be the in the Cross-section box-shaped channel further deformed.

Figur 1 -

eine Topfprägung eines Trägerblechs mit Anformung eines Verformungsbereichs im Querschnitt (kein Bestandteil der Erfindung);

Figur 2 -

die Befestigung eines Bauelements auf einem mit einer Topfprägung versehenen Trägerblech (kein Bestandteil der Erfindung);

Figur 3 -

eine schematisch-perspektivische Darstellung einer rinnenförmig gestreckten Topfprägung durch Verformung eines Trägerblechs;

Figur 4 -

das Anbringen eines Mitnehmers eines Seilfensterhebers auf einem mit einer T-förmigen Verformung versehenen Trägerblech;

Figur 5 -

die Verbindung einer Seilumlenkrolle mit einem verformten Trägerblech;

Figur 6 -

eine schematisch-perspektivische Darstellung eines Türmoduls mit einem Seil-Fensterheber, dessen Bauteilbefestigung aus dem Trägerblech des Türmoduls herausgeformt ist;

Figur 7 -

einen Querschnitt und

Figur 8 -

eine schematisch-perspektivische Darstellung eines Trägerblechs mit integriertem Versteifungsprägungen und Führungsschienen für ein- und doppelsträngige Seil- oder Bowdenfensterheber.

Various embodiments and application examples of the arrangement according to the invention and of the method according to the invention are shown in the figures of the drawing. Show it:

FIG. 1 -

a pot embossing of a carrier sheet with molding of a deformation region in cross section (not part of the invention);

FIG. 2 -

the attachment of a component on a provided with a pot embossing carrier sheet (not part of the invention);

FIG. 3 -

a schematic-perspective view of a trough-shaped elongated pot embossing by deformation of a support plate;

FIG. 4 -

attaching a driver of a cable window lifter to a carrier plate provided with a T-shaped deformation;

FIG. 5 -

the connection of a Seilumlenkrolle with a deformed support plate;

FIG. 6 -

a schematic-perspective view of a door module with a cable window lifter whose component mounting is formed out of the support plate of the door module;

FIG. 7 -

a cross section and

FIG. 8 -

a schematic-perspective view of a support plate with integrated stiffening embossings and guide rails for single and double-strand cable or Bowdenfensterheber.

The embodiments of Figures 1 and 2 are not part the invention. They are only for the better Understanding the invention. FIGS. 1A to 1C show in FIG Cross-section and in plan view two stages in the Production of a positive connection for components on a carrier sheet.

In a first production stage according to FIG. 1A, the Support plate 1 embossed or deep-drawn, so that a pot embossing 2 is created, on the one with a bore or the like. Provided component can be attached axially. By attaching a Sollumformstelle 3 in the form of a Cross-section reduction or the like. The pot embossment 2 in a deformation region 21 and a guide or support region 24 divided.

The guide or support area 24 defines the support height H, the thickness or depth of the mounting hole of the fastened component corresponds.

FIG. 1B shows the further deformation of that in FIG. 1, for example cylindrical deformation region 21 through Applying a compressive force on the pot embossing 2, so that a lens or mushroom cap shaped head 22 is formed the one with an elastic or snap-in receiving opening provided component after the deformation of the carrier element 1 plugged or in the case of one before the deformation secured according to Figure 1B plugged component in its position can be.

FIGS. 2A to 2C show the connection of a component 4 with a carrier sheet 1 in the various stages of production a positive connection shown.

FIG. 2A shows that provided with a pot embossing 2 Carrier plate 1, the deformation region 21 cylindrical is formed with a curved top surface. By attaching a Sollumformstelle 3 is the pot embossing 2 in the deformation region 21 and the guide or support area 24 divided. In this deformation stage of the carrier sheet 1 is a washer 40 and that with a corresponding Hole provided component 4 on the deformation region 21 of the support plate 1 plugged so that the carrier sheet 1 opposite side of the component 4 with the support or Guide height of the guide portion 24 completes.

By deforming the deformation region 21 of the pot embossing 2 becomes a lens or mushroom cap shaped as shown in FIG. 2B Head 22 made from the pot stamping 2, in this Form already sufficient to secure the position of the component 4 is. By further deformation of the head 22 is the pot embossing 2 for flush installation on top of the component 4 brought so that a cylindrical guide channel 24th and a circular disk-shaped position and backup surface 23rd be formed.

The pot embossing according to Figures 1 and 2 are used for Recording and securing of various components such as Aggregates, guide elements, lock carrier, loudspeaker or the like, which are preferably in the dry area of a motor vehicle door be arranged, wherein the carrier sheet or Door module 1, the separation between wet and dry room of Motor vehicle door manufactures.

In the same way can also elongated (trough-shaped) Recording profiles are produced in a carrier plate.

Figures 3A to 3C show in a schematic-perspective Presentation of the different stages of production Such a fastening or connecting device.

According to FIG Pot embossment 25 has been produced in the support plate 1, the Pot embossing according to Figures 1 and 2 corresponds. By attaching a Sollumformbereichs at a distance from Surface of the support plate 1, the support height or the material thickness of the component to be fastened or guided corresponds, the further deformation range of the curvature certainly.

FIG. 3B shows the part deformed above the nominal deformation range Fastening or securing area 26 and the below the Sollumformbereiches extending support area 28. In a subsequent stage of manufacture according to FIG. 3C, the guiding or securing region 26 be further flattened and a parallel to Carrier plate 1 extending surface 27 form. This will be in the Support plate 1 a channel-shaped recess with T-shaped Backup and guide surface 27 created.

The deformation region thus produced in the carrier sheet 1 a motor vehicle door is used for attachment or guidance of components such as a door module.

In the figures 4 to 6 are various application examples shown schematically in perspective.

FIG. 4 shows the fastening profile produced according to FIG in the carrier plate 1 of a door module on which a driver 5 is plugged for a cable window lifter, whose Guide channel of the deformed pot embossment 27 of the support plate 1 is adjusted. The support height 28 of the deformed Pot embossing forms a kind of rail guide for the driver 5 and is of the lateral guide elements 51st and 52 of the driver 5, whose guide surface a Slotted box profile corresponds.

Figure 5 shows the attachment of a carrier element 7 connected pulley 6 on the deformed pot embossment 27th a carrier sheet 1, wherein the carrier element 7 on the deformed pot embossment 27 of the support plate 1 attached becomes.

Figure 6 shows a carrier plate 1 with on its surface and thus on its inner area by pot embossing or Deep drawing of the support plate 1 formed guide rails a cable window lifter, which at the same time to accommodate serves on a support element arranged pulleys.

Before attaching the support elements 71 to 74 with the mounted on pulleys 61 to 64 are drivers 51, 52 on the pot embossing for example according to Figure 3 formed guide rails 2a and 2b attached. Subsequently, the support members 71 to 74 on the Ends of the embossed rails 2a, 2b attached and the Rope 8 placed around the pulleys 61 to 64 and with the drivers 51, 52 connected.

The drive motor 9 can in this embodiment according to FIG. 6 in that shown in FIGS. 1 and 2 Way connected to the carrier plate 1.

The support plate 1 is used in the embodiment according to FIG 6 as a separation between wet and dry room one Motor vehicle door and thus causes a good seal between the wet and dry room. Because of deep drawing or pot embossed closed contour is formed a watertight separation before, so that no additional Seal between the carrier plate 1 and the attachment points or to be fastened components, such as guide rails, Pulleys or drive motor, is required.

This and the following embodiment is suitable in special way for a motor vehicle door module when the one-piece assembly of support plate and guide rails with further functional elements of a motor vehicle door as Door lock, electric door control, wiring harness, window lift and the like.

FIG. 8 shows a schematic-perspective view an embossed, in particular deep-drawn carrier plate with embossed guide rails for a driver Window of a rope or Bowden window lifter and 7 shows a section along the line A-A according to FIG. 8

The embossed carrier plate 1 consists of a deep-drawn Sheet metal profile with several angularly spaced profile sections. in the border area, i. on the outer side edges the carrier plate 1 are guide rails 2c, 2d for the drivers 53, 54 for a window pane of a Rope or Bowden window lifters arranged at right angles angled guide surfaces 14, 15, 16 consist. On these guide surfaces 14, 15, 16 of the guide rails 2c, 2d slide the dogs 53, 54 after up or down depending on the pulling direction the window lifter rope or Bowden cable, not shown. The window lifter cable or the Bowden cable is over Seilumlenkrollen 71, 72, 73, 74 out, with the pulleys 71 to 74 arranged Seileinhängungen for attachment of Bowden cable covers serve. To drive the rope or Bowden window lifter serves a motor-gear unit 9, the on a corresponding coinage with Durchstellungen 13 on the Support plate 1 is provided.

In the region of the attachment point 10 of the support plate. 1 are the largest thermoforming. They bridge the distance between the guide surfaces 14, 15, 16 of the Guide rails 2c, 2d for the drivers 53, 54 of the window and the attachment of the support plate 1 and are essentially limited by a shelf space 100, a surface 101 and a stiffening conversion 102.

The shelf 100 essentially has the shape an isosceles triangle, its obtuse angle the attachment area 10 is adjacent. The leg edges of the isosceles triangles form between the surface 101 and the footprint 100 a connection, while on the other hand the base edge of the shelf 100 the transition to the narrow guide surface 16 for the driver 53, 54 marked.

The material recoveries for the attachment point 10 of Support plate 1 can be formed differently, depending on which distances are to be bridged.

Through the one-piece embodiment with in the carrier plate integrated guide rails and the resulting defined distances between the two guide rails 2c, 2d is the adherence to very tight manufacturing tolerances possible in one operation. Furthermore provided Stiffening embossments 11, 12 allow an open system and as a result of the stiffening embossing Stiffness a weight reduction through use thin materials with high side impact strength.

The stiffening embossments 11, 12 can simultaneously for receiving or wrapping Bowdenzughüllen or at corresponding design for wrapping the rope of a Rope windows serve if appropriate feeders or breakthroughs, for example, the engine-transmission unit 9 and to the pulleys 71 to 74 are provided.

Claims (17)

1. Arrangement for guiding a follower (5; 51 - 54) of a window pane in a cable or Bowden window lifter for motor vehicles wherein the arrangement consists of a guide rail (2a - 2d) mounted on a support element (1) for a motor vehicle, more particularly on a support plate of a vehicle door module, and of a follower provided with a guide opening and guided with sliding action and positive engagement on the guide rail,
   characterised in that
   the cross-sectional profile of the guide rail is formed by at least one imprinted or deep-drawn support or guide region (27, 28) so that it interacts with positive engagement with the follower (5; 51-54) wherein the at least one support or guide region is an integral constituent part of the support element (1).
2. Arrangement according to claim 1, characterised in that the positive engagement region of the guide rail consists of a web (26) having a box-shaped cross-section and semi-circular end sides.
3. Arrangement according to claim 1 or 2, characterised in that the positive engagement region of the guide rail consists of a web (27) having a fold adjoining the support or guide region (28), and a width which is greater compared to the wall spacing of the support or guide region (28).
4. Arrangement according to at least one of the preceding claims, characterised in that the follower (5) which can be connected to the support or guide region (25 - 28) has an open channel-shaped box profile.
5. Arrangement according to at least one of the preceding claims, characterised in that several guide rails (2a-2c) for the or each follower (51 - 54) of a window pane of a cable or Bowden window lifter are imprinted in the support element (1).
6. Arrangement according to claim 5, characterised in that at least one guide rail (2a - 2d) and the structural unit designed in one piece as the support element (1), together with further functional elements of a motor vehicle door such as the door lock, electric control means, wiring harness, window lifter drive, form one motor vehicle door module.
7. Arrangement according to claim 5 or 6, characterised in that the guide rails (2c, 2d) form the edge region of the support element (1).
8. Arrangement according to claim 5 or 6, characterised in that the guide rails (2a, 2b) are incorporated into the surface area of the support element (1).
9. Arrangement according to claim 6 or 7, characterised in that between the guide rails (2c, 2d) in the region of a fixing point (10) of the support element (1), material constrictions (100, 101, 102) are provided in the support element (1) to compensate the distance between the guide rails (2c, 2d) and the fixing point of the support element (1).
10. Arrangement according to at least one of the preceding claims 5 to 9, characterised in that the ends of the guide rail (2a - 2d) have for holding the cable guide member or for mounting the cable pulleys (71, 72, 73, 74) material apertures, more particularly a nozzle aperture and/or a pot-shaped impression.
11. Arrangement according to at least one of the preceding claims 5 to 10, characterised in that the support element (1) has several interconnected, imprinted or deep-drawn regions (11, 12, 13) which serve preferably to hold, guide and/or cover component parts and to increase the rigidity of the support element (1).
12. Method for connecting a follower (5; 51 to 54) of a window pane for cable or Bowden window lifters of motor vehicles to a guide rail (2a to 2d) which is mounted on a support element (1) of a motor vehicle, more particularly on a support plate of a motor vehicle door module, and which receives the follower (5; 51 to 54) which is provided with a guide opening and is guided with a sliding action in positive engagement,
    characterised in that
    to form the cross-sectional profile of the guide rail a support or guide region (27, 28) provided for the positive locking hold of the follower (5; 51 to 54) is stamped in one piece out from the support element (1).
13. Method according to claim 12, characterised in that the support or guide region (25 - 27; 28; 2a - 2d) of the support element (1) is deep drawn.
14. Method according to claim 12 or 13, characterised in that a channel (2) is stamped out from the support element (1) and is deformed at least in part before or after fitting the follower (5, 6; 51, 52; 61 - 64; 71 - 74) for securing the position, for pushing on or for guiding the follower (5, 6; 51, 52; 61 - 64; 71-74).
15. Method according to claim 13 or 14, characterised in that a channel (2) is imprinted which is provided with a reduction in cross-section (3) for an ideal reforming point or ideal reforming region which divides the channel (2) into a deforming region (25) and a support or guide region (28) and that the deforming region (25) is deformed before or after fitting the follower (5, 6).
16. Method according to claim 15, characterised in that the deforming region (25) is compressed to form a channel of box-shaped cross-section with semi-circular end sides (26).
17. Method according to claim 16, characterised in that the channel (26) which has a box-shaped cross-section is deformed until a plate-shaped head (27) is produced having a fold which adjoins the support or guide region (28).

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