Assembly aid and assembly procedure

Abstract

The invention relates to an assembly aid (6) for moving a guide wedge (4) from a starting position to an end position on a tailgate (2) of a motor vehicle (1) during the assembly of the motor vehicle (1), wherein, in the fully assembled motor vehicle (1), the guide wedge (4) is attached to the tailgate (2) in the end position and, when the tailgate (2) is closed, is supported on a counter stop (5) which is attached to a body shell (3) of the motor vehicle (1). The assembly aid (6) comprises a fastening device (7) configured for detachably fastening the assembly aid (6) to a fastening point (10) formed on the body shell (3) and intended for fastening the counter stop (5), a stop contour (8) which, when the assembly aid (6) is attached to the fastening point (10), simulates the counter stop (5) such that, when the tailgate (2) is closed, the guide wedge (4) is supported on the stop contour (8) in the end position, and an actuating device (9) configured, when the assembly aid (6) is attached to the fastening point (10) and the tailgate (2) is closed, to move the guide wedge (4), which is slidably attached to the tailgate (2), from the starting position to the end position.

Description

[0001] The present invention relates to an assembly aid that can be used when mounting a tailgate on a motor vehicle, and to a method for mounting a tailgate on a motor vehicle using the assembly aid.

[0002] To ensure that a tailgate fits optimally into the vehicle's bodywork when closed, stops can be used. These stops interact with complementary counter-stops and, in the closed position, determine the tailgate's relative position to the rest of the vehicle. These stops are advantageously adjusted during the tailgate's installation on the vehicle to compensate for any manufacturing tolerances that may have occurred up to that point. One such stop can be attached to the tailgate itself. The corresponding counter-stop can be mounted on the vehicle's body shell. The stop and counter-stop are aligned so that, when the tailgate is closed, the stop rests against the counter-stop, typically with a certain, and often predetermined, preload.To adjust the stop, it can initially be mounted on the tailgate so that it can be moved with the tailgate closed until it contacts the counter-stop. Once the stop is supported by the counter-stop when the tailgate is closed, it is in a final position where it can be permanently attached to the tailgate. The installation of the tailgate and the adjustment of the stops can be conveniently carried out, for example, during the vehicle assembly process before the installation of trim panels that cover the body shell in the tailgate area. To avoid visually conspicuous and undesirably large cutouts in such trim panels, it is necessary to remove the counter-stop, which is required for adjusting the stop, from the body shell before the trim panels can be installed.After the cladding elements are installed, the respective counter stop must be reinstalled. This double installation of the counter stop is time-consuming.

[0003] From DE 10 2011 010 234 B4, an assembly aid for mounting a tailgate latch of a motor vehicle is known. The known assembly aid has a fastening mechanism for attaching the assembly aid to the body shell and an adjustable stop for the latch. The adjustable stop can be moved into a desired position by means of an actuating lever.

[0004] From DE 10 2016 114 084 A1, a further mounting device for a closing bracket of a tailgate of a motor vehicle is known, comprising a frame which can be attached to a body of the motor vehicle in a suitable relative position, a receptacle for the closing bracket which is adjustable on the frame, a deflection gear with which the receptacle for the closing bracket can be adjusted in the closing direction of the tailgate, and a drive shaft for the deflection gear.

[0005] From DE 10 2004 060 325 B4, a further mounting device for a closing bracket of a tailgate of a passenger vehicle is known, comprising a support frame which can be attached to the body of the vehicle in a suitable position relative to the closing bracket which is connected to the body in a height-adjustable manner, a guide plate which is vertically immovably connected to the support frame and which is perpendicular to the bearing plane of the closing bracket, a rail plate which is arranged parallel to the guide plate and which is connected to the guide plate by guides in a variable distance, wherein the direction of movement of the rail plate is parallel to the bearing plane of the closing bracket, a thread arranged in the rail plate or in the guide plate, an electric actuator arranged on the guide plate or on the rail plate, the drive shaft of which is designed as a threaded shaft and engages in the thread.a receptacle for the locking bar attached to the guide plate, which can engage with the side edges of the locking bar; a guide carriage movably connected to the rail plate by guides, the direction of movement being perpendicular to the support plane of the locking bar; an elastic clamping device that springs the guide carriage towards the locking bar; an electric motor attached to the guide carriage, the output shaft of which, designed as a screwdriver, can engage with a fastening screw of the locking bar; and a remote control for independently switching the actuator and the electric motor on and off when the tailgate is closed.

[0006] From CN 1 06 672 115 B, an assembly aid for mounting a tailgate of a motor vehicle is known, which has a magnet for attaching the assembly aid to the body shell and an adjustable stop for the tailgate. The stop can be moved into a predetermined position.

[0007] From CN 1 13 857 893 A, an assembly aid for mounting a tailgate of a motor vehicle is known, which has a fastening mechanism for attaching the assembly aid and an adjustable stop. The stop can be moved into a desired position by means of an actuating lever.

[0008] The present invention addresses the problem of providing an assembly aid and an assembly method for mounting a tailgate, characterized by simplified installation. In particular, the assembly process should be faster. Furthermore, the invention aims to avoid the need for double mounting of a counter-stop, while simultaneously simplifying the installation of trim elements in the area of ​​the counter-stop.

[0009] This problem is solved according to the invention by the subject matter of the independent claims. Advantageous embodiments are the subject matter of the dependent claims.

[0010] The invention is based on the general concept of providing an assembly aid, i.e., an assembly device, that simulates a counter-stop mounted on the body shell for adjusting a tailgate stop, which can be configured in particular as a guide wedge. This counter-stop can be configured in particular as a guide pin, without actually having to attach a counter-stop to the body shell. To move the stop from a starting position to an end position on the tailgate, the assembly aid can be attached to the body shell, thus simulating the counter-stop against which the stop is to be supported in its end position when the tailgate is closed. This allows the stop to be easily moved from its starting position on the tailgate until it comes into contact with the counter-stop simulated by the assembly aid and thus assumes its end position.Afterwards, the mounting aid can be easily removed from the body shell, so that the installation of trim elements is not disrupted by the counter-stop. The stop can be attached after the trim elements have been installed. Overall, using such a mounting aid saves time during vehicle assembly. Furthermore, it prevents the unwanted double installation of the counter-stop.

[0011] Specifically, the invention proposes an assembly aid for moving a stop from a starting position to a final position on the tailgate of a motor vehicle during the vehicle's assembly. In the fully assembled vehicle, the stop is attached to the tailgate in its final position and, when the tailgate is closed, rests against a counter-stop attached to the vehicle's body shell. The assembly aid according to the invention comprises a fastening device, a stop contour, and an actuating device. The fastening device is configured for detachable attachment of the assembly aid to a mounting point formed on the body shell and intended for attaching the counter-stop. This allows the assembly aid to be easily and detachably attached to the corresponding mounting point in place of the counter-stop.The stop contour is configured to simulate the counter-stop when the mounting aid is attached at the mounting point, such that when the tailgate is closed, the stop rests against the stop contour in its end position. For this purpose, the stop contour is fixed to the mounting aid, meaning it is not adjustable. The actuating device is configured so that, with the mounting aid attached at the mounting point and the tailgate closed, the stop, which is slidably mounted on the tailgate, can be moved from its starting position to its end position. In the end position, the stop rests against the counter-stop, optionally with a desired preload. The actuating device significantly facilitates moving the stop, as it is difficult to access when the tailgate is closed.

[0012] In the present context, a “configuration” corresponds to a “design” and / or a “setup”, so that the phrase “configured so that” is synonymous with the phrase “designed so that” and / or “set up so that”.

[0013] According to an advantageous embodiment, the assembly aid can have a console on which the fastening device, the actuating device, and the stop contour are arranged and / or formed. This makes the assembly aid a single, easy-to-handle unit. The stop contour is fixed to the console and can, in particular, be formed by a console section integrally formed on the console.

[0014] It may be advantageous for the actuating device to have a lever assembly that is pivotally mounted on the console about a pivot axis and that includes a manually operated actuating section and a sliding section that rests against the stop to move the stop. With the aid of the lever assembly, a manually applied actuating force can be easily redirected to move the stop, thus simplifying the movement of the stop into its end position. If the stop is designed as a guide wedge, the guide wedge has a wedge-shaped stop body that tapers in one wedge direction. The guide wedge is slidably mounted on the tailgate for adjustment in this wedge direction.

[0015] According to an advantageous embodiment, the lever assembly can be pre-tensioned by spring force into an unactuated initial state, so that the lever assembly can be pivoted into a sliding state by manually applying force against the spring force. In this sliding state, the sliding section is supported against the stop for moving the stop. As soon as the movement of the stop is complete and no further manual force is applied, the spring force causes the unactuated lever assembly to automatically return to its initial state. This simplifies the handling of the assembly aid.

[0016] According to another advantageous embodiment, the lever arrangement can comprise an actuating lever with an actuating section, which is pivotable relative to the console about the pivot axis and is, in particular, mounted on the console, and a sliding lever with a sliding section, which is also pivotable relative to the console about the pivot axis and is, in particular, mounted on the console. It is also advantageously provided that the actuating lever is pivotable relative to the sliding lever about the pivot axis. This results in a comparatively simple design for the lever arrangement.

[0017] In another advantageous embodiment, the actuating device may include a feedback mechanism configured to generate haptic and / or acoustic feedback when the stop has reached its end position during movement. Such haptic or acoustic feedback simplifies assembly, as the installer (male / female / diverse) receives immediate feedback indicating when the stop has been sufficiently moved, i.e., when it has reached its end position.

[0018] A particularly advantageous configuration is one in which the actuating lever can be pivoted relative to the sliding lever around the pivot axis against a resistance force. This resistance force can be dimensioned such that actuating the lever with a given force causes both the actuating lever and the sliding lever to pivot relative to the console as long as the actuating force is less than the resistance force, and causes the actuating lever to pivot relative to the sliding lever as soon as the actuating force exceeds the resistance force. The actuating force increases significantly and exceeds the resistance force, especially when the sliding lever, during the pivoting of the actuating and sliding levers, brings the stop against the stop contour, thus achieving the desired end position of the stop.The resistance can be achieved by means of a spring and / or a detent mechanism between the actuating lever and the sliding lever. Overcoming the resistance is perceptible by touch and may be accompanied by an audible signal, such as a crack or click.

[0019] According to an advantageous embodiment, the fastening device can have several positioning pins that engage in positioning openings formed at the fastening point to position the mounting aid. To ensure that the counter-stop assumes a predetermined relative position to the building structure, it can advantageously be equipped with positioning pins that are designed to complement the positioning openings formed at the fastening point. When the counter-stop is attached to the fastening point, the positioning pins engage in the positioning openings and enforce a predetermined positioning of the counter-stop relative to the building structure.These positioning openings, already present at the fastening point, are now used by the mounting aid to position itself on the building shell, such that the stop contour formed on the mounting aid, which is preferably fixed and non-adjustable, assumes the predetermined relative position with respect to the building shell for the counter-stop. In other words, in conjunction with the positioning pins, the counter-stop simulated by the stop contour can automatically assume the relative position of the counter-stop.

[0020] According to an advantageous embodiment, the fastening device can include a toggle clamp configured to clamp the mounting aid to the building structure at the fastening point. Clamping the mounting aid to the building structure secures or fastens the mounting aid at the fastening point. Such toggle clamps are particularly easy to operate manually, both for attaching the mounting aid to the building structure and for releasing the mounting aid from the building structure.

[0021] The fastening device may, particularly on the console, have a contact surface from which the positioning pins protrude and which comes into contact with a front surface of the fastening point facing the tailgate when the positioning pins penetrate the positioning openings. The toggle clamp is attached laterally to the contact surface, particularly on the console, and can grip the fastening point so that the toggle clamp can brace itself against a rear surface of the fastening point facing away from the tailgate to press the contact surface against the front surface.

[0022] In the inventive method for mounting a tailgate on a motor vehicle, the tailgate is pivotably mounted to the vehicle's body shell between an open and a closed position. At least one stop is attached to the tailgate in a starting position, such that the stop is displaceable relative to the tailgate. A mounting aid of the type described above is attached to a mounting point provided for attaching a counter-stop associated with the stop, against which the stop rests when the tailgate is in the closed position when the vehicle is fully assembled. The tailgate can then be moved into the closed position. With the tailgate closed, the mounting aid can then be used to move the stop into its final position, in which the stop rests against the stop contour, optionally with a desired preload.The stop can then be attached to the tailgate in its final position. The mounting aid can be removed from the attachment point. Next, a trim panel can be attached to the body shell, which has a pin recess at the respective attachment point. Finally, the corresponding counter-stop can be attached to the pin recess at the attachment point.

[0023] Further important features and advantages of the invention will become apparent from the dependent claims, the drawings and the associated description of the figures based on the drawings.

[0024] It is understood that the features mentioned above and those to be explained below can be used not only in the combinations specified, but also in other combinations or individually, without departing from the scope of the invention. Components of a higher-level unit, such as a device, apparatus, or arrangement, mentioned above and those to be mentioned below, which are designated separately, can form separate parts or components of this unit or be integral areas or sections of this unit, even if this is depicted differently in the drawings.

[0025] Preferred embodiments of the invention are shown in the drawings and are explained in more detail in the following description, wherein identical reference numerals refer to identical or similar or functionally identical components.

[0026] They show, schematically, Fig. 1. A simplified isometric view of a motor vehicle in the area of ​​a mounting point with a counter-stop attached to it. Fig. 2 a view as in Fig. 1, however, with a mounting aid attached to the mounting point, Fig. 3 a side view of the assembly aid, Fig. 4 another side view of the assembly aid, Fig. 5 views of the vehicle with the mounting aid attached at the mounting point during different states A, B and C during tailgate installation, Fig. 6 A flowchart of a procedure for fitting a tailgate to a motor vehicle.

[0027] According to the Fig. 1 and Fig. 2. A motor vehicle 1 comprises a tailgate 2, which is usually pivotably attached to a body shell 3 of the motor vehicle between an open position and a closed position. In the closed position of the tailgate 2, i.e., when the tailgate 2 is closed, according to Fig. 1. A stop 4, preferably designed as a guide wedge 4 and attached to the tailgate 2, engages a counter-stop 5, preferably designed as a guide pin 5 and attached to the body shell 3. In other words, the closed tailgate 2 is supported by the guide wedge 4 against the guide pin 5. Advantageously, the tailgate 2 can have such a guide wedge 4 on each side of the vehicle, with the vehicle 1 also having such a guide pin 5 on both sides of the tailgate 2 on the body shell 3. In the fully assembled state, the guide wedge 4 on the tailgate 2 has an end position that is selected such that the closed tailgate 2 is supported by the guide wedge 4 against the guide pin 5, preferably with a preload. Due to manufacturing tolerances, the end position varies from vehicle to vehicle and must be adjusted or found during the assembly of the tailgate 2.For this purpose, the guide wedge 4 is first attached to the tailgate 2 in a slidable manner, initially in a starting position. The guide wedge 4 is positioned according to... Fig. 1 is slidably attached to the tailgate 2 in a wedge direction 39, in which a wedge-shaped stop body of the guide wedge 4 tapers. In Fig. Figure 1 shows a guide rail 40, which is attached to the tailgate and on which the guide wedge 4 is slidably held or mounted in the wedge direction 39. When the tailgate 2 is closed, the slidable guide wedge 4 can then be moved relative to the tailgate 2 until it reaches its end position, in which it rests against the guide pin 5. In other words, the guide wedge 4 is moved along the tailgate 2 until it rests properly against the guide pin 5, possibly with a desired preload. The end position of the guide wedge 4 is then reached.

[0028] To adjust or move the guide wedge 4, according to the Fig. 2 to 5, an assembly aid 6 is used. The assembly aid 6 has a fastening device 7, a stop contour 8, and an actuating device 9. The fastening device 7 is designed such that the assembly aid 6 can be detachably attached to a fastening point 10. The fastening point 10 is formed on the frame 3 and is intended for attaching the guide pin 5. For example, the frame 3 can have a projection 11 that extends from another component of the frame 3 to form the fastening point 10. In other words, to adjust the guide wedge 4, the assembly aid 6 is attached to the fastening point 10 instead of the guide pin 5. The stop contour 8 of the assembly aid 6 simulates the guide pin 5 when the assembly aid 6 is attached to the fastening point 10.The stop contour 8 simulates the guide pin 5 in such a way that, when the tailgate 2 is closed, the guide wedge 4 rests against the stop contour 8 in its end position. The actuating device 9 is designed so that, with the aid of the actuating device 9, the guide wedge 4 can be moved from its initial position to its end position when the mounting aid 6 is attached to the mounting point 10 and when the tailgate 2 is closed.

[0029] According to the Fig. 3 and Fig. The assembly aid 6 has a console 12 on which the fastening device 7, the stop contour 8, and the actuating device 9 are arranged. The stop contour 8 is fixedly formed on the console 8. In particular, the stop contour 8 can be formed by an integral part of the console 12. The actuating device 9 can have a lever assembly 13 which is pivotably mounted on the console 12 about a pivot axis 14. The lever assembly 13 has a manually actuating section 15 and a sliding section 16 coupled to the actuating section 15 by means of a drive mechanism. The sliding section 16 is configured such that it bears against the guide wedge 4 to move the guide wedge 4. The lever assembly 13 can be actuated by means of a Fig. The lever assembly 13 is pre-tensioned by spring force 17, indicated by an arrow, into an unactuated initial state. The lever assembly 13 can be pivoted into a sliding state by manually applying force against the spring force 17, in which the sliding section 16 is supported against the guide wedge 4 for moving the guide wedge 4. Advantageously, the lever assembly 13 can be arranged according to the Fig. 3 and Fig. 4. An actuating lever 18 having an actuating section 15, which is pivotable relative to the console 12 about the pivot axis 14 and is mounted on the console 12 in this example, and a sliding lever 19 having a sliding section 16, which is pivotable relative to the console 12 about the pivot axis 14 and is mounted on the console 12 in this example. Advantageously, the actuating device 9 is equipped with a feedback device 20, which is configured to provide haptic and / or acoustic feedback for a person manually actuating the actuating device 9. Fig. 5C is generated by a hand symbolizing the fitter 38 as soon as the guide wedge 4 reaches the desired end position when the guide wedge 4 is moved. For example, a force curve representing a force-displacement relationship of the lever arrangement 13 may exhibit a kink upon reaching the end position, which is perceptible to the fitter 38.

[0030] For example, the actuating lever 18 can be moved relative to the sliding lever 19 against a resistance force 21, which is in Fig. 3, indicated by an arrow, can be pivoted about the pivot axis 14. The resistance force 21 can advantageously be dimensioned such that the actuating lever 18 can be operated with an actuating force 22, which is in Fig. As indicated by an arrow in Figure 3, a joint pivoting of the actuating lever 18 and the sliding lever 19 relative to the console 12 occurs as long as the actuating force 22 is less than the resistance force 21. In contrast, actuating the actuating lever 18 with the actuating force 22 leads to a pivoting of the actuating lever 18 relative to the sliding lever 19 as soon as the actuating force 22 is greater than the resistance force 21. In particular, a kind of pressure point can be created using the resistance force 21, which, when overcome, clearly signals to the fitter 38 by touch that the guide wedge 4 has reached its end position.

[0031] According to the Fig. 3 and Fig. 4. The fastening device 7, in particular on the bracket 12, can have several positioning pins 23, 24 which engage in complementary positioning openings 25, 26 at the fastening point 10 for positioning the mounting aid 6 on the structural frame 3. These positioning openings are formed at the fastening point 10 for positioning the guide pin 5. Fig. 3 and Fig. Figure 4 shows two positioning pins 23 with a smaller cross-section and one positioning pin 24 with a larger cross-section. Fig. Figure 1 shows two positioning openings 25 with a smaller cross-section and one positioning opening 26 with a larger cross-section. The two smaller positioning openings 25 serve to position the guide pin 5, and the larger positioning opening 26 can be designed for a different purpose at the fastening point 10. This larger positioning opening 26 can also be omitted. The two narrower positioning pins 23 are designed to complement the two smaller positioning openings 25. The stronger positioning pin 24 is designed to complement the larger positioning opening 26. The existing positioning openings 25 and 26 make it particularly easy to properly position and secure the assembly aid 6 on the structural frame 3.

[0032] According to the Fig. 2 to 5, the fastening device 9 can be equipped with a toggle clamp 27, which is configured to clamp the assembly aid 6 to the rough structure 3 at the fastening point 10. As can be seen in particular, the Fig. 2 and Fig. As can be seen from 5, the toggle clamp 27 is attached to the console 12 and can brace itself against a front side of the mounting point 10 facing the tailgate 2 and thereby clamp the console 12 against a rear side of the mounting point 10 facing away from the tailgate 2.

[0033] According to Fig. 6 comprises an assembly procedure 28, i.e., a procedure 28 for assembling the tailgate 2 on the motor vehicle 1, several mandatory steps 29 to 35 and several optional steps 36, 37, which are described below in conjunction with the Fig. 5A, Fig. 5B and Fig. 5C will be explained in more detail.

[0034] In step 29, the tailgate 2 is attached to the body shell 3 in such a way that it can pivot between the open and closed positions. In step 30, which can be carried out simultaneously with, before, or after step 29, at least one guide wedge 4 is attached to the tailgate 2 in a starting position, such that it can be moved relative to the tailgate 2.

[0035] In step 31, which can be performed simultaneously with, before, or after step 30, the mounting aid 6 is attached to the fastening point 10. This state is in Fig. 5A shown.

[0036] In step 32, the tailgate 2 is now moved into its closed position. For example, a locking bar already mounted on the tailgate 2, not visible here, can be engaged with a lock, also not visible here. This state is in Fig. 5B shown.

[0037] In step 33, the guide wedge 4 is now moved into its final position using the assembly aid 6. For this purpose, according to... Fig. 5C The respective fitter 38 manually operates the lever assembly 13, in particular the actuating lever 18, causing the lever assembly 13, in particular the sliding lever 19, to first come into contact with the guide wedge 4 and then move it along the tailgate 2. Step 33 is completed as soon as the end position of the guide wedge 4 is reached. The reaching of the end position can be signaled to the fitter 38 by haptic and / or acoustic feedback, as explained above.

[0038] In a subsequent step 34, the guide wedge 4 can now be finally attached to the tailgate 2 in the final position thus determined. In a step 35, which can be carried out simultaneously with, before, or after step 34, the mounting aid 6 is detached from the fastening point 10.

[0039] In step 36, a cladding element (not shown here) can now be attached to the building shell 3, the cladding element having a pin recess in the area of ​​the respective attachment point 10. The pin recess can be dimensioned relatively small, since no guide pin 5 is located at the attachment point 10 when the cladding element is attached, which could hinder the attachment of the cladding element. In a final step 37, after the cladding element has been attached, the respective guide pin 5 can now be secured in the pin recess at the attachment point 10.

[0040] Fig. 5A shows the mounting aid 6 attached to the mounting point 10, which is expediently done with the tailgate 2 open. Fig. Figure 5B shows the mounting aid 6 attached to the mounting point 10 with the tailgate 2 closed. Fig.Figure 5C shows the process of adjusting the guide wedge 4 by moving the guide wedge 4 along the tailgate 2 by manually operating the actuating device 9 by the fitter 38.

Claims

[1] Assembly aid (6) for moving a guide wedge (4) from a starting position to a final position on a tailgate (2) of a motor vehicle (1) during the assembly of the motor vehicle (1), wherein, in the fully assembled motor vehicle (1), the guide wedge (4) is attached to the tailgate (2) in the final position and, when the tailgate (2) is closed, is supported against a counter stop (5) which is attached to a body shell (3) of the motor vehicle (1), - wherein the assembly aid (6) has a fastening device (7) which is configured for detachably fastening the assembly aid (6) to a fastening point (10) formed on the shell structure (3) and provided for fastening the counter stop (5), - wherein the mounting aid (6) has a stop contour (8) which, when the mounting aid (6) is attached to the mounting point (10), simulates the counter stop (5) such that, when the tailgate (2) is closed, the guide wedge (4) is supported on the stop contour (8) in the end position, - wherein the mounting aid (6) has an actuating device (9) which, when the mounting aid (6) is attached to the mounting point (10) and the tailgate (2) is closed, is configured to move the guide wedge (4) which is slidably attached to the tailgate (2) from the starting position to the end position. [2] Assembly aid (6) according to claim 1, characterized by , - that the mounting aid (6) has a console (12) on which the fastening device (7), the actuating device (9) and the stop contour (8) are arranged. [3] Assembly aid (6) according to claim 2, characterized by , - that the actuating device (9) has a lever arrangement (13) which is pivotably mounted on the console (12) about a pivot axis (14) and which has a manually actuating actuating section (15) and a sliding section (16) which is supported on the guide wedge (4) for moving the guide wedge (4). [4] Assembly aid (6) according to claim 3, characterized by , - that the lever arrangement (13) is pre-tensioned to an unactuated initial state by means of spring force (17), so that the lever arrangement (13) can be pivoted into a sliding state by manual force application against the spring force (17), in which the sliding section (16) is supported on the guide wedge (4) to move the guide wedge (4). [5] Assembly aid (6) according to claim 3 or 4, characterized by , - that the lever arrangement (13) has an actuating lever (18) having the actuating section (15), which is pivotable relative to the console (12) about the pivot axis (14), and a sliding lever (19) having the sliding section (16), which is pivotable relative to the console (12) about the pivot axis (14), - that the actuating lever (18) can be pivoted relative to the sliding lever (19) about the pivot axis (14). [6] Assembly aid (6) according to one of the preceding claims, characterized by , - that the actuating device (9) has a feedback device (20) configured to produce a haptic and / or acoustic feedback when the guide wedge (4) reaches the end position when the guide wedge (4) is moved. [7] Assembly aid (6) according to claims 5 and 6, characterized by , - that the actuating lever (18) can be pivoted relative to the sliding lever (19) against a resistance force (21) about the pivot axis (14), - that the resistance force (21) is dimensioned such that actuation of the actuating lever (18) with an actuating force (22) causes the actuating lever (18) and the sliding lever (19) to pivot relative to the console (12) as long as the actuating force (22) is less than the resistance force (21), and causes the actuating lever (18) to pivot relative to the sliding lever (19) as soon as the actuating force (22) is greater than the resistance force (21). [8] Assembly aid (6) according to any one of the preceding claims, characterized by , - that the fastening device (7) has several positioning pins (23) which, when the mounting aid (6) is fastened at the fastening point (10), engage in positioning openings (25) which are formed at the fastening point (10) for positioning the counter stop (5). [9] Assembly aid (6) according to any one of the preceding claims, characterized by , - that the fastening device (7) has a toggle clamp (27) configured to clamp the assembly aid (6) to the shell structure (3) at the fastening point (10). [10] Method (28) for fitting a tailgate (2) to a motor vehicle (1), - in which (29) the tailgate (2) is pivotably mounted on a body shell (3) of the motor vehicle (1) between an open position and a closed position, - in which (30) at least one guide wedge (4) is attached to the tailgate (2) in a starting position, such that it is movable relative to the tailgate (2), - in which (31) an assembly aid (6) according to one of the preceding claims is attached to a fastening point (10) which is provided for fastening a counter stop (5) associated with the guide wedge (4), on which the guide wedge (4) is supported in the closed position of the tailgate (2) when the motor vehicle (1) is fully assembled, - in which (32) the tailgate (2) is moved into the closed position, - in which (33) the guide wedge (4) is moved into the end position by means of the assembly aid (6), - in which (34) the guide wedge (4) is attached to the tailgate (2) in the end position, - where (35) the mounting aid (6) is detached from the fastening point (10).

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