EP4368804A1 - Stop buffer with an anti-rotation device - Google Patents

Abstract

The invention relates to a device (10) for supporting a first vehicle part (20) on a second vehicle part. The device (10) has a stop buffer (11) with a buffer shaft (12) and a buffer head (14) connected to the buffer shaft (12), the buffer shaft (12) having a thread (13) and the buffer head (14) having a stop surface (15) for the second vehicle part. The device (10) also has a receiving body (16) which is arranged or can be arranged on the first vehicle part (20) and which has an opening (17) into which the buffer shaft (12) is screwed. Furthermore, the device (10) has a securing element (18) for preventing rotation of the stop buffer (11), wherein the securing element (18) is arranged between the buffer head (14) and the receiving body (16), engages at least partially in the thread (13) of the buffer shaft (12) and is supported on the receiving body (16).

Description

The invention relates to a device for supporting a first vehicle part on a second vehicle part and to a motor vehicle with such a device.

Stop buffers for supporting a movable vehicle part in a closed position, such as a tailgate, are known in the state of the art. On the one hand, such stop buffers are intended to ensure a defined position of the vehicle part in the closed position. On the other hand, such stop buffers can be used to support the vehicle part under pre-tension in order to avoid rattling and banging noises when driving. The disadvantage here is that the previous solutions are often susceptible to wear.

The invention is based on the object of providing an improved device for supporting vehicle parts, by means of which the disadvantages of the previous solutions can preferably be avoided. In particular, it is an object of the invention to provide a device for supporting vehicle parts that is as robust as possible.

These objects can be achieved with the features of the independent claims. Advantageous embodiments and applications of the invention are the subject of the dependent claims and are explained in more detail in the following description with partial reference to the figures.

A first independent aspect of the present disclosure relates to a device for supporting a (e.g. pivotable) first vehicle part (such as a vehicle door) on a (e.g. fixed) second vehicle part (such as a driver's cab).

The device has (e.g. only) one (e.g. elastic) stop buffer with a buffer shaft and a buffer head. The buffer head is connected to the buffer shaft (e.g. integrally). The buffer shaft has a thread (e.g. a screw thread). Accordingly, the stop buffer can be, for example, a screw rubber buffer. Furthermore, the buffer head has a (e.g. flat) stop surface for the second vehicle part. For example only, the buffer head or the stop surface can be made of plastic or rubber. Preferably, the stop buffer can be essentially pin-shaped or peg-shaped.

The device further comprises a (e.g. dome-shaped) receiving body which is arranged or can be arranged on the first vehicle part. The receiving body can be fastened to the first vehicle part (e.g. screwed and/or welded) and/or formed onto the first vehicle part (e.g. by deep drawing). The receiving body has an opening (e.g. a bore and/or a recess) into which the buffer shaft is screwed. The opening or the receiving body can for this purpose have, for example, an (internal) thread which corresponds at least in sections to the (external) thread of the buffer shaft. Alternatively, the opening can be formed, for example, by a helical boundary of a helical ramp section, so that the buffer shaft is screwed into the helical boundary.

The device also has a securing element, preferably to prevent the stop buffer from twisting. The securing element is arranged between the buffer head and the receiving body. For example, the securing element can be arranged in the area of the buffer shaft. The securing element also engages at least partially in the thread of the buffer shaft and is supported on the receiving body (e.g. in a form-fitting and/or flat and/or ring-segment-shaped manner). By means of the securing element, a further (indirect) connection between the stop buffer and the receiving body can thus be provided - in addition to the (direct) screw connection between the stop buffer and the receiving body. This preferably prevents twisting (e.g. twisting clockwise) of the stop buffer relative to the receiving body.

The securing element thus advantageously enables a position of the stop surface that has previously been determined by screwing in the stop buffer to be fixed. In particular, the securing element or its support on the receiving body can prevent the stop buffer from turning (e.g. clockwise). Furthermore, the force transmission in the stop buffer or its stability can be advantageously improved by the securing element engaging in the thread of the buffer shaft or by the securing element lying in the thread, which can advantageously increase the service life of the stop buffer.

According to a first aspect, the securing element can have a projection (e.g. in the form of a nose and/or a pin).

According to a further aspect, the receiving body can have a recess (e.g. corresponding to the projection). The projection (e.g. at least For example, an outer contour of the projection can be designed to match the shape of an inner contour of the recess. Accordingly, the projection and the recess can interact in a form-fitting manner, for example, at least in sections. This preferably serves to prevent the stop buffer from twisting against the receiving body.

According to a further aspect, the projection can extend away from the securing element in the direction of the receiving body. The projection can thus protrude or protrude from the securing element in the direction of the receiving body, for example. The projection is preferably arranged on an underside of the securing element or protrudes from it.

According to a further aspect, the projection can run substantially parallel to the buffer shaft. The projection can, for example, have its longest extension along the buffer shaft and/or have a main extension direction along the buffer shaft.

According to a further aspect, the recess can be arranged adjacent to the opening (of the receiving body) and/or connected to the opening. For example, the recess and the opening can form a common hole, wherein the opening can form a (e.g. round, preferably circular) first section of the hole and the recess can form a (e.g. crescent-shaped) second section of the hole.

According to a further aspect, the securing element can have a spiral-shaped (e.g. helical) ring segment (e.g. bendable and/or closed). For example, the ring segment can be designed as a C-ring segment and/or an open ring. The spiral-shaped ring segment can also be wound in a helical manner, for example. The spiral-shaped ring segment therefore preferably does not have a flat or planar shape. The spiral-shaped ring segment can have the same pitch as the thread of the buffer shaft. For example, the spiral-shaped ring segment and the thread of the buffer shaft can each have the same pitch or be designed to correspond to one another. The spiral-shaped ring segment can engage in the thread of the buffer shaft at least in sections. For example, the spiral-shaped ring segment can be arranged in a thread of the thread of the buffer shaft at least in sections. In this way, in addition to holding the securing element on the stop buffer, the stop buffer can also be reinforced in an advantageous manner.

According to a further aspect, the ring segment can be a C-ring segment. For example, the ring segment can be designed as an open ring and/or in the shape of the letter "C".

According to a further aspect, the ring segment can be designed in the shape of a circular ring sector. The ring segment is preferably designed in the shape of a circular ring sector over an angle (e.g. central angle) of at least 270°, particularly preferably over an angle of at least 300°.

According to a further aspect, the ring segment can be supported on two opposite (e.g. two adjacent and/or facing) flanks of a thread of the thread. The ring segment preferably has a slight oversize compared to a width of the thread. Accordingly, the ring segment can preferably be clamped between the two flanks. In an advantageous manner, this can realize additional force transmission along the buffer shaft via the securing element.

According to a further aspect, the helical ring segment can have a material weakening to increase the bendability of the helical ring segment. For example, the material weakening can be designed in the form of a partially reduced cross-section of the helical ring segment. The material weakening is preferably arranged in a central region of the helical ring segment (e.g. between a first end of the helical ring segment and a second end of the helical ring segment). The central region of the helical ring segment therefore preferably has the material weakening. For example, the material weakening can be arranged opposite an opening of the helical ring segment that can be bent open and/or closed.

According to a further aspect, the helical ring segment can have a main section. This can, for example, have a substantially rectangular cross-section. The main section can also rest on two flanks of a thread turn of the thread and be arranged set back in the thread turn with respect to an outer diameter of the thread. The main section can therefore preferably not rest on the two flanks of the thread turn over the entire thread depth.

Furthermore, the helical ring segment can have an edge section. This can be connected to the main section (e.g. be integrally connected to the main section) and protrude beyond the thread. The edge section can thus preferably be arranged at least partially outside the outer diameter of the thread. The edge section can taper outwards. For example, the edge section can have a trapezoidal cross-section. Preferably, the edge section does not lie on the two flanks of the thread. In an advantageous manner, this can cause a force directed into the thread on the helical ring segment when pressure loads act on the stop buffer or on the buffer shaft, in order to thereby hold the locking element in the thread.

According to a further aspect, the securing element can have a (e.g. plate-shaped) first gripping area and a (e.g. plate-shaped) second gripping area. The first and second gripping areas can preferably be used for gripping and/or holding the securing element by a human hand. For example, the first and second gripping areas can be used for bending the helical ring segment open and/or closed (e.g. by a human hand). Preferably, the first gripping area is arranged at a first end of the ring segment and/or the second gripping area is arranged at a second end of the ring segment, preferably opposite the first end. For example, the first and second gripping areas can be arranged adjacent to or in the area of the opening of the helical ring segment that can be bent open and/or closed. In an advantageous manner, this can ensure that the securing element is as easy to assemble as possible.

According to a further aspect, the receiving body (e.g. an upper side of the receiving body) can have a helical ramp section. The helical ramp section can surround and delimit the opening (into which the buffer shaft is screwed). The helical ramp section can, for example, have a helically wound surface that is arranged around the aforementioned opening or delimits it. The opening can preferably be arranged in a center of the helical ramp section. The helical ramp section can have the same pitch as the thread of the buffer shaft. For example, the helical ramp section and the thread of the buffer shaft can each have the same pitch or be designed to correspond to one another. The thread of the buffer shaft is preferably screwed into the helical ramp section. The helical ramp section (e.g. an edge region of the ramp section facing the opening or delimiting the opening) can thus be arranged at least partially in the thread of the thread of the buffer shaft.

According to a further aspect, the helical ramp section can form a 360° rotation. Furthermore, the helical ramp section can have a step by which a (e.g. lower) start of the helical ramp section and a (e.g. upper) end of the helical ramp section can be spaced apart from one another. The start and the end of the helical ramp section can be spaced apart from one another, for example by a pitch. Preferably, the step forms a stop for one or the projection of the securing element at least in sections. In this case, the projection can rest against the step (e.g. at least in sections with a positive fit) and/or be supported on the step (e.g. at least in sections with a positive fit). For example, a step edge of the step or a course of the step can be shaped to match an outer contour of the projection. Accordingly, the projection and the step can interact with a positive fit, for example at least in sections. In this case, for example, the aforementioned recess can be arranged on the heel or on the heel edge. This can also advantageously support the securing element and thus prevent the stop buffer from rotating.

According to a further aspect, the receiving body can be designed in the shape of a truncated cone. Preferably, a cover surface of the truncated cone-shaped receiving body has the helical ramp section. Accordingly, the helical ramp section can preferably be arranged on the cover surface of the truncated cone-shaped receiving body.

According to a further aspect, the receiving body can at least partially delimit a receiving space for receiving the buffer shaft. For example, this receiving space can be delimited by the cover surface and a sloping shell surface (adjoining the cover surface). The receiving space is preferably arranged (directly) below the cover surface. Accordingly, the buffer shaft (e.g. an end of the buffer shaft opposite the buffer head) can be surrounded or enclosed by the receiving body at least partially.

According to a further aspect, the receiving body can be designed as a sheet metal part. The receiving body can thus be formed, for example, by a preferably thin-walled metal sheet. The preferably dome-shaped receiving body can be formed by forming (e.g. deep drawing) of a flat sheet metal blank. Accordingly, the receiving body or its opening can have a maximum of one thread turn.

According to a further aspect, the stop buffer can be made of plastic and/or rubber. In a preferred embodiment, the (entire) stop buffer is made exclusively or completely of plastic or rubber.

According to a further aspect, the stop buffer can be elastic, e.g. for spring-supporting the first and second vehicle parts. The stop buffer is preferably made of a spring-elastic material.

According to a further aspect, the buffer head can be square and/or the stop surface can be square.

A further independent aspect of the present disclosure relates to a motor vehicle (e.g. a truck or a bus), the motor vehicle having a device as disclosed in this document. The motor vehicle is preferably a commercial vehicle, i.e. a motor vehicle which, due to its design and equipment, is specifically designed for transporting goods and/or for towing one or more (e.g. agricultural) trailer vehicles. For example, the commercial vehicle can be a truck, a semitrailer, a construction vehicle and/or an agricultural machine (e.g. a tractor).

According to one aspect, the motor vehicle can have a (e.g. pivotable) first vehicle part and a (e.g. fixed) second vehicle part. For example, the first vehicle part can be a vehicle door of the motor vehicle, while the second part can be an entrance to a driver's cab of the motor vehicle. The first and second vehicle parts should therefore preferably be different components. The receiving body of the device can be arranged on the first vehicle part, for example. For example only, the receiving body can be attached to the first vehicle part (e.g. screwed and/or welded) and/or connected integrally to the first vehicle part. Furthermore, the first and second vehicle parts can support each other via the device. For example, the second vehicle part can be supported on the stop surface of the buffer head of the stop buffer. The stop buffer can be engaged via the engagement of the thread of the stop buffer in the opening of the (arranged on the first vehicle part) The receiving body can be supported directly or indirectly via the securing element on the first vehicle part. Furthermore, the device can be arranged (at least in sections) between the first and second vehicle parts.

According to a further aspect, the first vehicle part can be a vehicle door (e.g. a driver's cab door). In a preferred embodiment, the first vehicle part can be a step cover (e.g. attached and/or attachable to a vehicle door). The step cover, which in this context can also be referred to as a door extension, can preferably cover a step of the motor vehicle (e.g. a driver's cab of the motor vehicle) when the vehicle door is in the closed position and/or expose the step when the vehicle door is in the open position. The step cover can extend the vehicle door or a door body downwards.

According to a further aspect, the second vehicle part can be a driver's cab. Preferably, the second vehicle part is an entrance and/or a step of a driver's cab.

Even if a preferred application of the device is to support a vehicle door or its step cover on a driver's cab or a step of the driver's cab, it was recognized here that the device can also be used to support other (e.g. movable) vehicle parts (such as flaps, hatches, tank caps, etc.). Furthermore, the inventors determined that the device can also be used in principle to support components that are not part of a motor vehicle. Accordingly, the first vehicle part can generally be a first component and the second vehicle part can generally be a second component. In other words, the suitability of the device for a first vehicle part and a second vehicle part does not limit the use of the device to one vehicle, since this suitability can also include an application as a stop buffer generally between a first component and a second component.

Furthermore, the respective components of the device, in particular the securing element, should also be disclosed and claimable independently of the device or separately from the other components of the device. In this context, in particular a securing element for securing a stop buffer against rotation, which is designed as described in this document, and/or a use of such a securing element for securing a stop buffer against rotation should be claimable.

Figur 1A

eine schematische Darstellung einer Vorrichtung zur Abstützung eines ersten Fahrzeugteils an einem zweiten Fahrzeugteil gemäß einer Ausführungsform;

Figur 1B

eine schematische Darstellung der Vorrichtung gemäß einer Ausführungsform;

Figur 2A

eine schematische Darstellung eines (ersten) Fahrzeugteils und Teile der Vorrichtung gemäß einer Ausführungsform;

Figur 2B

eine schematische Darstellung eines Aufnahmekörpers der Vorrichtung gemäß einer Ausführungsform; und

Figuren 3A - 3G

verschiedene Ansichten eines Sicherungselements der Vorrichtung gemäß einer Ausführungsform.

The aspects and features of the disclosure described above can be combined with one another as desired. Further details and advantages are described below with reference to the accompanying drawings. They show:

Figure 1A

a schematic representation of a device for supporting a first vehicle part on a second vehicle part according to an embodiment;

Figure 1B

a schematic representation of the device according to an embodiment;

Figure 2A

a schematic representation of a (first) vehicle part and parts of the device according to an embodiment;

Figure 2B

a schematic representation of a receiving body of the device according to an embodiment; and

Figures 3A - 3G

different views of a securing element of the device according to an embodiment.

The embodiments shown in the figures correspond at least partially, so that similar or identical parts are provided with the same reference numerals and for their explanation reference is also made to the description of the other embodiments or figures in order to avoid repetition.

The Figures 1A, 1B , 2A, 2B and 3A - 3G each show embodiments of a device 10 for supporting a first vehicle part 20 on a second (not shown) vehicle part or components of this device 10.

The device 10 can be arranged, for example, in or on a motor vehicle (not shown). For example, the device 10 can be arranged between a first vehicle part 20 of the motor vehicle (e.g. a driver's cab door) and a second vehicle part of the motor vehicle (e.g. a driver's cab). The first vehicle part 20 and the second vehicle part can be supported against each other via the device 10.

The device 10 has a stop buffer 11, a receiving body 16 (for the stop buffer 11) and a securing element 18 (cf. Figures 1A and 1B ), whereby the securing element 18 preferably serves to prevent the stop buffer 11 from rotating.

The stop buffer 11 has a (e.g. rod-shaped) buffer shaft 12 and a buffer head 14, wherein the buffer head 14 is connected to the buffer shaft 12 (e.g. integrally). The stop buffer 11 can thus preferably be designed in one piece. Accordingly, the buffer shaft 12 and the buffer head 14 can preferably not be separated from each other without causing damage. The stop buffer 11 can, for example, be made of an elastic material such as plastic and/or rubber. The buffer shaft 12 has a thread 13 (e.g. a flat thread). For example, the thread 13 can have a thread 13a. This can run continuously in a helical manner (e.g. as a screw line) in an outer wall of the buffer shaft 12. The buffer head 14 has a stop surface 15 for the second vehicle part. For example, the buffer head 14 can be a square buffer head 14 (cf. Figure 1B ). Accordingly, the stop surface 15 can have a substantially square shape.

The receiving body 16 can be arranged (e.g. fixedly) on the first vehicle part 20 or can be arranged (cf. Figure 2A ). The receiving body 16 can, for example, be attached to the first vehicle part 20 (e.g. screwed and/or welded) or can be attached. In addition or alternatively, the receiving body 16 can also be an integral part of the first vehicle part 20. For example only, the receiving body 16 can be formed by forming a region of the first vehicle part 20 (e.g. designed as a sheet metal part). Accordingly, the receiving body 16 can be integrally connected to the first vehicle part 20.

The receiving body 16 can be dome-shaped (see e.g. Figures 2A and 2B ). For example, the receiving body 16 can have a dome-like design and/or protrude from the first vehicle part 20 in a dome-like manner. In a preferred embodiment, the receiving body 16 is frustoconical. For example, the receiving body 16 can have a substantially round cover surface, which is followed by a sloping outer surface. The receiving body 16 also has a (e.g. round) opening 17 (e.g. a bore and/or a recess). For example, the opening 17 can be arranged in the cover surface. The buffer shaft 12 can be screwed into the opening 17 (e.g. by means of its thread 13). The buffer shaft 12 can, for example, be arranged in sections above the receiving body 16 and in sections below or in sections in the receiving body 16 (cf. Figure 1A ). The receiving body 16 can have a receiving space 16c (e.g. arranged below the cover surface) for receiving the buffer shaft 12. In this context, a position of the stop surface 15 or the Buffer head 14 can be determined by how far the buffer shaft 12 is screwed into the opening 17. Accordingly, the position of the stop surface 15 and thus also a force with which the first vehicle part 20 and the second vehicle part support each other can be adjustable.

Furthermore, the receiving body 16 (e.g. its cover surface) can have a helical ramp section 16a. The helical ramp section 16a can surround and delimit the opening 17 (cf. Figures 1A, 1B and 2 B ). For example, the helical ramp section 16a can have a helically wound surface which is arranged around the opening 17 or delimits it. The helical ramp section 16a can, for example, form a 360° revolution (see dashed line in Figure 1B ). Accordingly, the receiving body 16 or the spiral ramp section 16a can have a shoulder 16b (cf. e.g. Figure 1B ). By means of the step 16b, a (e.g. lower) beginning of the helical ramp section 16a can be spaced from a (e.g. upper) end of the helical ramp section 16. The beginning and the end of the helical ramp section 16a can be separated, for example, in the vertical direction by the step 16b.

Preferably, the helical ramp section 16a has the same pitch as the thread 13 of the buffer shaft 12. For example, the helical ramp section 16a and the thread 13 of the buffer shaft 12 can each have the same pitch or be designed to correspond to one another. Preferably, the thread 13 of the buffer shaft 12 is thus screwed into the helical ramp section 16a (cf. Figure 1A ). Accordingly, the helical ramp section 16a (e.g. an edge region of the helical ramp section 16a facing or delimiting the opening 17) can be arranged at least in sections in the thread 13a of the thread 13. Accordingly, the receiving body 16 or the helical ramp section 16a can have a thread section which is preferably formed by an edge region of the helical ramp section 16a facing the opening 17. The receiving body 16 can also be referred to as a thread dome in this context.

The securing element 18 preferably serves to prevent the stop buffer 11 from rotating. The securing element 18 can be arranged (at least in sections) between the buffer head 14 and the receiving body 16. The securing element 18 can be made of an elastic material, e.g. plastic. Figures 3A - 3F show different views of a securing element 18 according to an embodiment.

The securing element 18 can have a (e.g. bendable and/or collapsible) helical ring segment 18b, a first grip region 18d, a second grip region 18e and/or a projection 18a.

To install the securing element 18, it can first be bent open (e.g. by gripping the first and second gripping areas 18d and 18e) and then guided around the buffer shaft 12. Accordingly, the securing element 18 can then surround the buffer shaft 12 on the circumference. This is preferably done in such a way that the securing element 18 (e.g. its helical ring segment 18b) engages in the thread 13 of the buffer shaft 12. By supporting the projection 18a on the receiving body 16 (e.g. a recess 19 that at least partially corresponds in shape to the projection 18a), an anti-twisting device for the stop buffer 11 can be implemented.

The helical ring segment 18b can be open and/or ring sector-shaped. For example, the helical ring segment 18b can be a helical C-ring segment. The helical ring segment 18b can have a first end and a second end. The helical ring segment 18b can have an opening that can be bent open and/or closed. This can be arranged, for example, between the first and second ends of the helical ring segment 18b. The helical ring segment 18b can be wound helically at least in sections or can be formed in the form of a helical line at least in sections (see, for example, Figures 3D, 3E and 3F ). Preferably, the helical ring segment 18b has the same pitch as the thread 13 of the buffer shaft 12. For example, the helical ring segment 18b and the thread 13 of the buffer shaft 12 can each have the same pitch or be designed to correspond to one another. The securing element 18 engages at least partially in the thread 13 of the buffer shaft 12 (see e.g. Figure 1A ). Accordingly, the helical ring segment 18b can be arranged at least partially in the thread 13a of the thread 13 (cf. e.g. Figure 3G ).

The helical ring segment 18b can have a main section 18b.1 and an edge section 18b.2 adjoining the main section 18b.1 (see e.g. Figures 3C and 3G ). The main section 18b.1 and the edge section 18b.2 can be integrally connected in one piece. Accordingly, the helical ring segment 18b can preferably be formed in one piece. The main section 18b.1 can have a substantially rectangular cross section. The main section 18b.1 can also be connected to two, preferably mutually opposite flanks 13a.1 and 13a.2 of the thread 13a of the thread 13 of the buffer shaft 12.

The main section 18b.1 or the helical ring segment 18b can be supported against the two flanks 13a.1 and 13a.2 of the thread 13a of the thread 13. The main section 18b.1 or the helical ring segment 18b preferably has a slight oversize compared to a width of the thread 13a, so that the main section 18b.1 or the helical ring segment 18b is preferably clamped between the two flanks 13a.1 and 13a.2.

The main section 18b.1 can be arranged set back in the thread 13a with respect to an outer diameter D of the thread 13. Accordingly, the main section 18b.1 cannot rest against the two flanks 13a.1 and 13a.2 of the thread 13a over the entire thread depth. As mentioned above, the edge section 18b.2 can connect to the main section 18b.1. The edge section 18b.2 can be arranged radially further outwards than the main section 18b.1. The edge section 18b.2 can taper outwards. For example, the edge section 18b.2 can have a trapezoidal cross-section. The edge section 18b.2 can protrude beyond the thread 13. The edge section 18b.2 can thus preferably be arranged at least in sections outside the outer diameter D of the thread 13. Preferably, the edge portion 18b.2 does not rest on the two flanks 13a.1 and 13a.2 of the thread 13a.

The helical ring segment 18b can also have a material weakening 18c to increase the bendability of the helical ring segment 18b. For example, the material weakening 18c can be designed in the form of a partially reduced cross-section of the helical ring segment 18b (cf. Figure 3A ). The material weakening is preferably arranged in a central region of the helical ring segment 18b. For example, the material weakening 18c can be arranged opposite the opening of the helical ring segment 18b that can be bent open and/or closed.

The first and second gripping areas 18d and 18e can each be plate-shaped (see e.g. Figures 3A, 3D and 3F ). The first and second gripping areas 18d and 18e can preferably each be used for gripping and/or holding the securing element 18 by a human hand. For example, the securing element 18 or its spiral ring segment 18b can be bent open and/or closed by holding the first gripping area 18d with a left hand and holding the second gripping area 18e with a right hand.

The first gripping area 18d can be arranged at the first end of the helical ring segment 18b. The second gripping area 18e can be arranged at the second end of the helical ring segment 18b. The first and second gripping areas 18d and 18e can be oriented obliquely to one another. For example, the first and second gripping areas 18d and 18e can be arranged at an angle of between 80 and 120° to one another (cf. Figure 3A ).

Furthermore, the securing element 18 is supported on the receiving body 16 (see e.g. Figure 1B ). This preferably serves to prevent the stop buffer 11 from twisting against the receiving body 16. The securing element 18 can be supported on the receiving body 16 via the projection 18a. For example, the projection 18a can be inserted (e.g. at least in sections with a form fit) into a recess 19 of the receiving body 16 (cf. Figure 2B ) engage. In addition or alternatively, the projection 18a can engage (e.g. at least in sections in a form-fitting manner) on the shoulder 16b of the helical ramp section 16a (cf. Figure 2B ). The projection 18a can be nose-shaped and/or peg-shaped (cf. Figure 3D ). The projection 18a can extend away from the securing element 18 in the direction of the receiving body 16. The projection 18a can, for example, protrude or protrude from the securing element 18 in the direction of the receiving body 16. For example, the projection 18a can be arranged at the first end of the helical ring segment 18b and/or at the first grip region 18d (cf. Figure 3D ). Preferably, the projection is arranged on an underside of the securing element 18 or protrudes from an underside of the securing element 18. The projection 18a can also run substantially parallel to the buffer shaft 12. The projection 18a can, for example, have its longest extension along the buffer shaft 12 and/or have a main extension direction along the buffer shaft 12.

Although the invention has been described with reference to particular embodiments, it will be apparent to one skilled in the art that various changes may be made and equivalents may be substituted without departing from the scope of the invention. Accordingly, the invention is not intended to be limited to the disclosed embodiments, but is intended to include all embodiments falling within the scope of the appended claims. In particular, the invention also claims protection for the subject matter and features of the dependent claims independently of the claims referred to.

List of reference symbols

10

contraption

11

Stop buffer

12

Buffer shaft

13

thread

13a

Thread pitch

13a.1, 13a.2

flanks

14

Buffer head

15

Stop surface

16

Recording body

16a

Ramp section

16b

Paragraph

16c

Recording room

17

opening

18

Securing element

18a

head Start

18b

Ring segment

18b.1

Main section

18b.2

Edge section

18c

Material weakening

18d

First grip area

18e

Second grip area

19

Recess

20

First vehicle part

D

outer diameter

Claims (15)

Device (10) for supporting a preferably pivotable first vehicle part (20), such as a vehicle door, on a second vehicle part, such as a driver's cab, comprising: a preferably elastic stop buffer (11) with: a buffer shaft (12) having a thread (13); and a buffer head (14) which is connected to the buffer shaft (12) and which has a stop surface (15) for the second vehicle part; a preferably dome-shaped receiving body (16) which is arranged or can be arranged on the first vehicle part (20) and which has an opening (17) into which the buffer shaft (12) is screwed; and a securing element (18) for securing the stop buffer (11) against rotation, wherein the securing element (18) is arranged between the buffer head (14) and the receiving body (16), engages at least partially in the thread (13) of the buffer shaft (12) and is supported on the receiving body (16). Device (10) according to claim 1, wherein: the securing element (18) has a projection (18a); and the receiving body (16) has a recess (19) into which the projection (18a) engages in a form-fitting manner at least in sections, preferably to prevent the stop buffer (11) from twisting against the receiving body (16). Device (10) according to claim 2, wherein: the projection (18a) extends away from the securing element (18) in the direction of the receiving body (16), and/or the projection (18a) extends substantially parallel to the buffer shaft (12); and/or the recess (19) is arranged adjacent to the opening (17) and/or is connected to the opening (17). Device (10) according to one of the preceding claims, wherein: the securing element (18) has a helical ring segment (18b), which can preferably be bent open and closed, which has the same pitch as the thread (13) of the buffer shaft (12) and which engages at least partially in the thread (13) of the buffer shaft (12). Device (10) according to claim 4, wherein: the ring segment (18b) is a C-ring segment; and/or the ring segment (18b) is formed in the shape of a circular ring sector, preferably over an angle of at least 270°, particularly preferably over an angle of at least 300°; and/or the ring segment (18b) is supported on two opposite flanks (13a.1, 13a.2) of a thread (13a) of the thread (13). Device (10) according to claim 4 or 5, wherein:
the helical ring segment (18b), preferably a central region of the helical ring segment (18b), has a material weakening (18c) to increase the bendability of the helical ring segment (18b), wherein the material weakening (18c) is preferably designed in the form of a partially reduced cross-section of the helical ring segment (18b). Device (10) according to one of claims 4 to 6, wherein the helical ring segment (18b): a main section (18b.1) which rests on two flanks (13a.1, 13a.2) of a thread (13a) of the thread (13) and is arranged in the thread (13a) set back with respect to an outer diameter (D) of the thread (13); and an edge portion (18b.2) which adjoins the main portion (18b.1) and projects beyond the thread (13), the edge portion (18b.2) tapering outwards. Device (10) according to one of the preceding claims, wherein:
the securing element (18) has a preferably plate-shaped first grip region (18d), which is preferably arranged at a first end of the helical ring segment (18b), and a preferably plate-shaped second grip region (18e), which is preferably arranged at a second end of the helical ring segment (18b). Device (10) according to one of the preceding claims, wherein:
the receiving body (16) has a helical ramp section (16a) which surrounds and delimits the opening (17), wherein the helical ramp section (16a) has the same pitch as the thread (13) of the buffer shaft (12), wherein preferably the thread (13) of the buffer shaft (12) is screwed into the helical ramp section (16a). Device (10) according to claim 9, wherein: the helical ramp section (16a) forms a 360° revolution; and the helical ramp section (16a) has a shoulder (16b) by which a start of the helical ramp section (16a) and an end of the helical ramp section (16a) are spaced apart from one another, wherein preferably the shoulder (16b) forms at least in sections a stop for a projection (18a) of the securing element (18). Device (10) according to one of the preceding claims, wherein the receiving body (16): is frustoconical in shape; and/or at least partially delimits a receiving space (16c) for receiving the buffer shaft (12); and/or is designed as a sheet metal part. Device (10) according to one of the preceding claims, wherein: the stop buffer (11) is made of plastic and/or rubber; and/or the stop buffer (11) is elastic, preferably for resiliently supporting the first vehicle part (20) and the second vehicle part; and/or the buffer head (14) and/or the stop surface (15) are square. Motor vehicle, preferably commercial vehicle, comprising a device (10) according to one of the preceding claims. Motor vehicle according to claim 13, further comprising: a preferably pivotable first vehicle part (20) on which the receiving body (16) is arranged; and a second, preferably fixed, vehicle part; wherein the first vehicle part (20) and the second vehicle part are supported against each other via the device (10); and/or wherein the device (10) is arranged between the first vehicle part (20) and the second vehicle part. Motor vehicle according to claim 13 or 14, wherein: the first vehicle part (20) is a vehicle door or a step cover, preferably attached and/or attachable to a vehicle door, which covers a step of the motor vehicle in a closed position of the vehicle door; and/or the second part of the vehicle is a driver's cab.

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