Connection adapter for fastening chassis components

Abstract

The invention relates to a connection adapter for fastening a chassis component, the connection adapter (100, 100-1, 100-2) being formed as a hollow cylindrical bushing (101) having a cover surface (103) and a side surface (105), the cover surface (103) and the side surface (105) defining a bushing interior (107) of the hollow cylindrical bushing (101), the bushing interior (107) being formed in a manner that the cover surface (103) and the side surface (105) of the hollow cylindrical bushing (101) are in contact with each other, and the cover surface (103) and the side surface (105) being in contact with the hollow cylindrical bushing (101). The side surface (105) can be fastened to the chassis part (218, 219, 219-1, 219-2, 221, 221-1, 221-2) in a cohesive and / or force-fitting and / or form-fitting manner, a fastening hole (109) is formed in the cover surface (103), through which a fastening element (241) can pass in order to fasten the connection adapter (100, 100-1, 100-2) to the vehicle part (237), and the fastening element (100, 100-1, 100-2) can be fastened to the vehicle part (237) in order to fasten the connection adapter (100, 100-1, 100-2) to the chassis part (218, 219, 219-1, 219-2, 221-1, 221-2). And the hollow cylindrical bushing (101) is formed into a steel deep drawing part which is integrally formed and is made of a uniform material.

Description

TECHNICAL FIELD

[0001] The present disclosure relates to an adapter for fastening a chassis component, in particular to an adapter for fastening a chassis component to a vehicle component, to a vehicle chassis arrangement comprising a chassis component and an adapter, and to a method for manufacturing an adapter. BACKGROUND

[0002] Chassis components such as axle supports are installed in vehicles to achieve a stable connection between vehicle components such as the vehicle body and the chassis. The adapter must have a high degree of structural stability in order to achieve a structural connection between the chassis component and the vehicle component. Therefore, there is a need for an adapter which can be manufactured easily and at low cost while having a corresponding high degree of structural stability.

[0003] Existing adapters manufactured in a cold pressing process have the problem of excessive wall thickness in the region of the connection to the vehicle body, which has a disadvantageous effect on the component weight and the material costs.

[0004] DE 102021003727 A1 discloses a subframe with receiving bushings for setting in a vehicle body shell of a motor vehicle, wherein each receiving bushing contains a replacement part. SUMMARY

[0005] The object of the present disclosure is to provide an adapter for connecting a chassis component to a vehicle component, wherein the adapter can be manufactured at a high price-performance ratio and has a high degree of structural stability.

[0006] The above object is achieved by the technical features of the independent claims, advantageous embodiments of the present disclosure being found in the dependent claims, the description and the drawings.

[0007] The present disclosure is based on the finding that the above object can be achieved by a steel adapter which is formed as a deep-drawn component which is integrally formed and homogeneous in terms of material, in order to ensure that the deep-drawn adapter has the required degree of structural stability.

[0008] According to a first aspect, the present disclosure relates to an adapter for fastening a chassis component to a vehicle component, wherein the adapter is formed as a hollow cylindrical bushing having a cover face and a side face, wherein the cover face and the side face define a bushing interior of the hollow cylindrical bushing, wherein the side face can be fastened to the chassis component in a material-bonding and / or force-fitting and / or form-fitting manner, wherein fastening holes are formed in the cover face through which fastening elements can pass in order to fasten the adapter to the vehicle component, wherein the hollow cylindrical bushing is formed as a steel deep-drawn component which is integrally formed and homogeneous in terms of material.

[0009] Thus, the technical advantage achieved is that the integrally formed and material-uniform steel deep-drawn cylinder can be manufactured in a simple and effective manner by means of the deep-drawing process and has the required wall thickness, which enables the connection between the chassis component and the vehicle component to have the required structural stability.

[0010] The respective deep-drawing process for manufacturing the steel hollow cylindrical bushing enables a large number of adapters to be manufactured in a simple and cost-effective manner in a short time. Furthermore, adapters manufactured in the same manner can be provided at different locations of different chassis components, in particular axle supports or the like, so that an effective connection between the chassis components and the vehicle components is achieved at different locations, thereby reducing the manufacturing and assembly effort and achieving a significant cost reduction.

[0011] The adapter formed as a hollow cylindrical bushing has a side surface, to which the chassis component can be fastened in a material-bonding manner, in particular welded, and / or in a force-fitting manner, in particular screwed, and / or in a form-fitting manner, in particular crimped. In this case, there can be one or more weld seams, which can extend around the entire or partial side surface.

[0012] The adapter formed as a hollow cylindrical bushing has a cover surface, which has a fastening hole. A fastening element, in particular a fastening screw, can be passed through the fastening hole in order to fasten the adapter to the vehicle component, in particular to the vehicle floor of a vehicle.

[0013] The fastening hole can be formed as a round, oval or slot-shaped fastening hole on the cover surface. The fastening hole can be formed in particular in the center of the cover surface, more particularly in the center of the cover surface.

[0014] Thus, the geometry of the hollow cylindrical bushing enables forces to be introduced uniformly from the chassis component via the side surface and the cover surface, or in the opposite direction, to the vehicle component.

[0015] The chassis component is in particular a front axle carrier, a rear axle carrier or a twist-beam suspension, which in particular comprises a longitudinal beam and / or a cross beam.

[0016] The vehicle component is in particular formed as a body component, more particularly as a vehicle floor.

[0017] In an advantageous embodiment, the cover surface and / or the side surface of the hollow cylindrical bushing has a wall thickness of between 1.5 mm and 5 mm, preferably between 2 mm and 4 mm.

[0018] Thus, the technical advantage achieved is that the respective wall thickness ensures that the adapter has a sufficiently high structural stability.

[0019] The cover face and the side face of the hollow cylindrical bushing have a wall thickness of, in particular, between 1.5 mm and 5 mm, preferably between 2 mm and 4 mm.

[0020] In an advantageous embodiment, the hollow cylindrical bushing has a transition region around the cylinder, which is formed between the cover face and the side face of the hollow cylindrical bushing, wherein the transition region around the cylinder is, in particular, formed as a rounded edge of the cover face.

[0021] In this way, the technical advantage is achieved that the respective transition region around, in particular, the rounded edge of the cover face enables a structurally stable connection between the side face and the cover face.

[0022] In an advantageous embodiment, the transition region around, in particular, the rounded edge of the cover face has a wall thickness of between 1.0 mm and 5 mm.

[0023] In this way, the technical advantage is achieved that, although the respective transition region around, in particular, the rounded edge of the cover face has a slightly reduced wall thickness compared to the cover face and / or the side face due to the manufacturing method using a deep-drawing process, this wall thickness is still in a sufficiently large range of 1.0 mm to 5 mm, so that the adapter achieves sufficient structural stability.

[0024] In an advantageous embodiment, the hollow cylindrical bushing has no bottom face on the bottom side opposite the cover face of the hollow cylindrical bushing.

[0025] In this way, the technical advantage is achieved that by opening the respective bottom side of the hollow cylindrical bushing, the weight of the adapter can advantageously be reduced, while at the same time the overall structural stability of the adapter is ensured due to the introduction of forces via the side face.

[0026] In an advantageous embodiment, the hollow cylindrical bushing has an outer diameter of between 30 mm and 150 mm, preferably between 40 mm and 80 mm, and / or the hollow cylindrical bushing has a height of between 30 mm and 200 mm, and / or the fastening hole on the cover face has an opening diameter of between 7 mm and 30 mm.

[0027] In this way, the technical advantage is achieved that the respective dimensions of the hollow cylindrical bushing enable the effective use of the adapter at the connection point between the chassis component and the vehicle component; or that the opening diameter of the fastening hole is sufficient for the effective passage of the fastening element.

[0028] In an advantageous embodiment, the side face is weldable and / or screwable to the chassis component.

[0029] In this way, the technical advantage is achieved that, by welding the side face of the adapter to the chassis component, a particularly effective fastening effect can be achieved. The side face can be welded directly to the longitudinal and / or cross beams of the chassis component, in particular, or the side face can be welded to an adapter arm of the chassis component. In the latter case, the adapter arm can be welded and / or screwed directly to the longitudinal and / or cross beams of the chassis component.

[0030] According to a second aspect, the disclosure relates to a vehicle chassis arrangement comprising a chassis component and at least one adapter according to the above-mentioned first aspect, wherein the side face of the at least one adapter is fastened to the chassis component in a material-bonding manner, in particular welded and / or in a force-fitting manner, in particular screwed and / or in a form-fitting manner, in particular crimped.

[0031] In this way, the technical advantage is achieved that the geometry of the at least one adapter of the chassis arrangement is such that an effective material-bonding fastening between the chassis component and the at least one adapter is achieved.

[0032] The at least one adapter comprises, in particular, a single adapter or a plurality of adapters, in particular two, three, four, five, six, seven, eight, nine or ten adapters, which are fastened to the chassis component.

[0033] The chassis component is made of metal, more particularly of aluminum and / or steel, or of fiber-reinforced plastic, in particular.

[0034] The chassis component has a hollow profile, in particular.

[0035] In an advantageous embodiment, the chassis component is a front axle carrier, a rear axle carrier or a twist-beam suspension, in particular comprising longitudinal and / or cross beams.

[0036] In this way, the technical advantage is achieved that, by means of the adapter, an effective connection to the above-mentioned chassis components can be achieved.

[0037] In an advantageous embodiment, the at least one adapter is fastened to the chassis component, in particular to the longitudinal and / or cross beams of the chassis component, in a material-bonding manner and / or in a force-fitting manner and / or in a form-fitting manner, wherein the at least one adapter is fastened to an adapter arm of the chassis component, in particular, in a material-bonding manner and / or in a force-fitting manner and / or in a form-fitting manner, wherein the adapter arm is connected to the longitudinal and / or cross beams, in particular, in a material-bonding manner, in particular welded and / or in a force-fitting manner, in particular screwed.

[0038] Thus, the technical advantage achieved is that, depending on the component geometry of the chassis component and the vehicle component, the at least one adapter piece can be fastened directly to the longitudinal beam and / or cross beam and / or the at least one adapter piece can be fastened at a distance to the longitudinal beam and / or cross beam by means of the adapter arm.

[0039] The at least one adapter piece comprises in particular a plurality of adapter pieces, wherein at least one of the adapter pieces is fastened directly to the longitudinal beam and / or cross beam of the chassis component in a material-bonding and / or force-fitting and / or form-fitting manner, wherein at least one of the adapter pieces is fastened at a distance to the longitudinal beam and / or cross beam by means of the adapter arm of the chassis component, in particular in a material-bonding, in particular welded, and / or force-fitting, in particular screwed, manner.

[0040] The adapter arm has in particular two adapter arm flanges at a first arm section facing the adapter piece, which are located on the side of the hollow-cylindrical bushing of the adapter piece and are connected to the side in a material-bonding, in particular welded, and / or force-fitting, in particular screwed, and / or form-fitting, in particular crimped, manner. The first arm section extends in particular horizontally.

[0041] The adapter arm has in particular a second arm section remote from the adapter piece or the first arm section, wherein a second arm section end of the second arm section is connected to the longitudinal beam and / or cross beam in a material-bonding, in particular welded, and / or force-fitting, in particular screwed, manner. The second arm section extends in particular vertically obliquely.

[0042] The adapter arm has in particular a third curved arm section connecting the first arm section, in particular a horizontal arm section, with the second arm section, in particular a vertically obliquely extending arm section.

[0043] The adapter arm has in particular an adapter arm body extending along the first, second and third arm sections, wherein the two adapter arm flanges are in particular part of the adapter arm body.

[0044] The adapter arm has in particular an adapter arm cover plate connected to the adapter arm body in a material-bonding manner, covering an open top side of the adapter arm body and extending along the first, second and third arm sections. A cover plate end of the adapter arm cover plate facing the adapter piece is located on the side of the adapter piece and is connected thereto in a material-bonding, in particular welded, manner. The cover plate end has in particular a circular recess located on the side of the adapter piece.

[0045] In an advantageous embodiment, the chassis arrangement has at least one end-side adapter which is fastened, in particular directly fastened, to the chassis component, in particular to one end of a longitudinal beam and / or a cross beam of the chassis component, in material-bonding fashion and / or in force-fitting fashion and / or in form-fitting fashion, and / or to the other end of the longitudinal beam and / or the cross beam of the chassis component, opposite the one end, in material-bonding fashion and / or in force-fitting fashion and / or in form-fitting fashion.

[0046] In this way, the technical advantage is achieved that, by the respective single-end and / or double-end fastening of the adapter, an effective structural connection can be achieved.

[0047] The bottom side of the at least one end-side adapter is in particular connected, more particularly in material-bonding fashion, to the bottom side of the chassis component, in particular of the longitudinal beam and / or the cross beam.

[0048] The top side of the chassis component, in particular of the longitudinal beam and / or the cross beam of the chassis component, forms in particular a top opening of the chassis component, in particular of the longitudinal beam and / or the cross beam of the chassis component, for the passage of the at least one end-side adapter. An opening edge which defines the top opening is in particular connected, more particularly welded, in material-bonding fashion to the side of the at least one end-side adapter. The at least one end-side adapter in particular extends beyond the top side of the chassis component, in particular of the longitudinal beam and / or the cross beam of the chassis component.

[0049] The at least one end-side adapter is in particular at least partially arranged within the chassis component, in particular within the longitudinal beam and / or the cross beam of the chassis component.

[0050] In an advantageous embodiment, the chassis arrangement has at least one central adapter which is fastened to a central region of the chassis component, in particular of the longitudinal beam and / or the cross beam of the chassis component, in material-bonding fashion and / or in force-fitting fashion and / or in form-fitting fashion, wherein the central region is arranged between one end of the chassis component, in particular of the longitudinal beam and / or the cross beam of the chassis component, and the other end of the chassis component, in particular of the longitudinal beam and / or the cross beam of the chassis component, opposite the one end, wherein the central adapter is in particular fastened to an adapter arm of the chassis component which extends from the central region of the longitudinal beam and / or the cross beam of the chassis component, in material-bonding fashion and / or in force-fitting fashion and / or in form-fitting fashion, wherein the adapter arm is fastened to the central region of the longitudinal beam and / or the cross beam of the chassis component in material-bonding fashion, in particular by welding, and / or in force-fitting fashion, in particular by screwing.

[0051] In this way, the technical advantage is achieved that the central adapter can be fastened in a spaced manner to a part of the vehicle component which is spaced apart from the longitudinal beam and / or the cross beam by means of the adapter arm.

[0052] In an advantageous embodiment, the chassis device has a first longitudinal beam and a second longitudinal beam, wherein the chassis device has a first transverse beam and a second transverse beam extending transversely with respect to the first longitudinal beam and the second longitudinal beam, wherein each of the first transverse beam and the second transverse beam is fastened to the first longitudinal beam and the second longitudinal beam in a material-bonding and / or force-locked manner.

[0053] In this way, the technical advantage is achieved that the stability of the chassis device can be achieved by the respective two longitudinal beams and the two transverse beams.

[0054] The design of the second longitudinal beam corresponds to the design of the first longitudinal beam.

[0055] The first transverse beam and the second transverse beam are in particular made of metal, more in particular of aluminum and / or steel, or of fiber-reinforced plastic. The first and second transverse beams in particular have a hollow profile.

[0056] The first longitudinal beam and the second longitudinal beam and / or the first transverse beam and the second transverse beam are in particular formed as tubular moldings, or are made of profiled sheet metal parts, which are in particular part of a welded assembly.

[0057] The first longitudinal beam and the second longitudinal beam are in particular formed as curved longitudinal beams. The first longitudinal beam and the second longitudinal beam are in particular arranged substantially mirror-symmetrically with respect to a central axis extending transversely with respect to the first longitudinal beam and the second longitudinal beam and located in the middle of the first longitudinal beam and the second longitudinal beam.

[0058] In an advantageous embodiment, the chassis device comprises a vehicle component, in particular a vehicle floor, and a fastening element, wherein the fastening element passes through the fastening hole in the cover surface of the adapter and a further fastening hole of the vehicle component and is fixed to the adapter in order to fasten the chassis component, in particular a longitudinal beam and / or a transverse beam, to the vehicle component.

[0059] In this way, the technical advantage is achieved that the vehicle component, in particular the vehicle floor, can be advantageously fastened to the chassis component, in particular to the longitudinal beam and / or the transverse beam, by means of the adapter.

[0060] The fastening element is in particular a fastening screw and in particular has a stopper located at the edge of the opening defining the fastening hole and is fixed by means of the fastening shaft of the fastening element with a nut.

[0061] Between the fastening element, in particular the fastening screw, and the hollow cylindrical bushing, in particular a washer or a friction-increasing element can be arranged.

[0062] According to a third aspect, the disclosure relates to a manufacturing method for a adapter for fastening a chassis component, in particular a longitudinal beam and / or a cross beam of the chassis component, to a vehicle component, wherein the method comprises the following method steps: providing a steel semi-finished product; deep-drawing the steel semi-finished product to obtain a cylindrical region having a cover face and a side face; introducing a fastening hole in the cover face to obtain the adapter formed as a hollow cylindrical bushing having the cover face and the side face, wherein the cover face and the side face define a bushing interior of the hollow cylindrical bushing, wherein the hollow cylindrical bushing is formed as an integrally formed and material-uniform steel deep-drawn component; and optionally separating a protrusion extending from the side face of the adapter formed as a hollow cylindrical bushing.

[0063] Thus, the technical advantage is achieved that a simple manufacturing of the adapter is possible by a deep-drawing process while at the same time ensuring a sufficient structural stability of the hollow cylindrical bushing.

[0064] Before the deep-drawing method step, a pre-drilled hole can be introduced in particular in the steel semi-finished product, wherein the pre-drilled hole is used to determine the position of the fastening hole in the subsequent method step of introducing the fastening hole in the cover face.

[0065] As an alternative to separating a protrusion extending from the side face of the adapter formed as a hollow cylindrical bushing, it is also possible in particular to optionally bend the protrusion extending from the side face of the adapter formed as a hollow cylindrical bushing such that the protrusion becomes part of the side face of the adapter formed as a hollow cylindrical bushing. BRIEF DESCRIPTION OF DRAWINGS

[0066] Further embodiments are described below with reference to the drawings. In the drawings:

[0067] Figure 1 is a sectional view of an adapter for fastening a chassis component, in particular a longitudinal beam and / or a cross beam of the chassis component, to a vehicle component in an embodiment;

[0068] Figure 2A and Figure 2B are a side view and a sectional view of an adapter arm of a chassis device connected with the adapter in an embodiment, respectively; Figure 1

[0069] Figure 3 is a side view of a chassis device having two adapters connected with the adapter arm in an embodiment and four Figure 2A Figure 2B adapter arms connected with the two adapters, respectively; Figure 1

[0070] Figure 4A Figure 4B ​​​​respectively, a vehicle component in one embodiment comprising a chassis component fastened to the vehicle component by a fastener, in particular a longitudinal beam and / or a cross beam of a chassis component Figure 3 a side view and a sectional view of a chassis arrangement are shown;

[0071] Figure 5 a method for manufacturing an adapter for fastening a chassis component, in particular a longitudinal beam and / or a cross beam of a chassis component, to a vehicle component is shown.

[0072] Reference signs:

[0073] 100 adapter

[0074] 100-1 end-side adapter

[0075] 100-2 center adapter

[0076] 101 hollow-cylindrical bushing

[0077] 103 cover surface

[0078] 105 side surface

[0079] 107 bushing interior

[0080] 109 fastening hole

[0081] 111 wall thickness

[0082] 113 transition region

[0083] 115 bottom side of the hollow-cylindrical bushing

[0084] 117 outer diameter of the hollow-cylindrical bushing

[0085] 119 height of the hollow-cylindrical bushing

[0086] 121 bore diameter of the hollow-cylindrical bushing

[0087] 123 bottom side

[0088] 200 chassis arrangement

[0089] 201 adapter arm

[0090] 203 first arm section

[0091] 205 adapter arm flange

[0092] 207 second arm section

[0093] 208 central axis

[0094] 209 end of the second arm section

[0095] 211 third arm section

[0096] 213 adapter arm body

[0097] 215 adapter arm cover plate

[0098] 217 cover plate end

[0099] 218 chassis component

[0100] 219 longitudinal beam

[0101] 219-1 first longitudinal beam

[0102] 219-2 second longitudinal beam

[0103] 221 cross beam

[0104] 221-1 first cross beam

[0105] 221-2 second cross beam

[0106] 223 one end of the first or second longitudinal beam

[0107] 225 other end of the first or second longitudinal beam

[0108] 227 top side of the first or second longitudinal beam

[0109] 229 bottom side of the first or second longitudinal beam

[0110] 231 top opening of the first or second longitudinal beam

[0111] 233 central region of the first or second longitudinal beam

[0112] 235 fastening portion

[0113] 237 vehicle component

[0114] 237-1 first vehicle component portion

[0115] 237-2 second vehicle component portion

[0116] 239 fastening portion

[0117] 239-1 first fastening portion

[0118] 239-2 second fastening portion

[0119] 239-3 third fastening portion

[0120] 239-4 fourth fastening portion

[0121] 239-5 fifth fastening portion

[0122] 239-6 sixth fastening portion

[0123] 241 fastener

[0124] 243 stop

[0125] 245 fastening shaft

[0126] 247 further fastening hole of the vehicle part

[0127] 300 method for manufacturing an adapter for fastening a chassis part, in particular a longitudinal beam and / or a cross beam of a chassis part, to a vehicle part

[0128] 301 method step: providing a steel semi-finished product

[0129] 303 method step: deep-drawing the steel semi-finished product

[0130] 305 method step: introducing a fastening hole into the steel semi-finished product

[0131] 307 method step: separating the side- extending protrusion DETAILED DESCRIPTION

[0132] Figure 1 Cross-sectional view of an adapter for fastening a chassis part, in particular a longitudinal beam and / or a cross beam of a chassis part, to a vehicle part in a first embodiment.

[0133] Figure 1 The illustrated adapter 100 is capable of achieving an effective, mechanically stable connection between a chassis part (not shown in Figure 1 ), in particular a longitudinal beam and / or a cross beam of a chassis part, and a vehicle part (also not shown in Figure 1 ). For further details regarding the chassis part, in particular the longitudinal beam and / or the cross beam of a chassis part, and the vehicle part, see the description of the other figures below.

[0134] Figure 1 The illustrated adapter 100 is configured as a hollow cylindrical bushing 101 having a cover face 103 and a side face 105. The cover face 103 and the side face 105 define a bushing interior 107 of the hollow cylindrical bushing 101.

[0135] As can be seen from Figure 1 , a fastening hole 109 is formed in the cover face 103 of the hollow cylindrical bushing 101, through which a fastening element (not shown in Figure 1 ), in particular a fastening screw, can be passed in order to fasten the adapter 100 to a vehicle part (not shown in Figure 1 ).

[0136] The fastening hole 109 can be formed in the cover face 103 as a circular, elliptical or slot-shaped fastening hole 109, in particular. The fastening hole 109 can be formed in the center of the cover face 103, more particularly in the center of the cover face 103.

[0137] Furthermore, the side surface 105 of the hollow cylindrical bushing 101 can be fastened to the chassis component ( Figure 1 ), in particular longitudinal beams and / or transverse beams.

[0138] The present disclosure is characterized in that the hollow cylindrical bushing 101 is a deep-drawn steel component formed in one piece and made of a uniform material, that is, manufactured using a deep-drawing process. Manufacturing the hollow cylindrical bushing 101 using a deep-drawing process can significantly simplify the manufacture of the adapter 100. The wall thickness 111 of the deep-drawn bushing 101 is preferably between 1.5 mm and 5 mm, preferably between 2 mm and 4 mm. This wall thickness provides a sufficiently high structural stability to advantageously absorb forces acting between vehicle components and chassis components, in particular longitudinal beams and / or transverse beams.

[0139] from Figure 1 It can be seen in the embodiment that the cover surface 103 and the side surface 105 of the hollow cylindrical bushing 101 have the same wall thickness 111 , which is between 1.5 mm and 5 mm, preferably between 2 mm and 4 mm.

[0140] from Figure 1 It can be seen that the hollow cylindrical bushing 101 has a transition area 113 formed around the hollow cylindrical bushing 101 between the cover surface 103 and the side surface 105 of the hollow cylindrical bushing 101, wherein the surrounding transition area 113 of the hollow cylindrical bushing 101 is in particular formed as a rounded edge of the cover surface 103.

[0141] For manufacturing reasons, the wall thickness 111 around the transition region 113, in particular the rounded edge of the cover surface 103, can be slightly smaller than the wall thickness 111 of the cover surface 103 and the side surface 105 of the hollow cylindrical bushing 101, and in particular the reduction is less than 20%. The wall thickness 111 around the transition region 113, in particular the rounded edge of the cover surface 103, is in particular between 1.0 mm and 5 mm.

[0142] from Figure 1 It can also be seen that at the bottom side 115 of the hollow cylindrical bushing 101 opposite to the cover surface 103 , the hollow cylindrical bushing 101 has no bottom surface, thereby reducing the weight of the hollow cylindrical bushing 101 without limiting the structural stability of the hollow cylindrical bushing 101 .

[0143] The outer diameter 117 of the hollow cylindrical bushing 101 is in particular between 30 mm and 150 mm, preferably between 40 mm and 80 mm. The height 119 of the hollow cylindrical bushing 101 is in particular between 30 mm and 200 mm.

[0144] The opening diameter 121 of the fastening hole 109 in the cover surface 103 is in particular between 7 mm and 30 mm.

[0145] Figure 2A and Figure 2B are a side view and a sectional view of a switching arm of a chassis arrangement connected to a switching piece in one embodiment. Figure 1 are a side view and a sectional view of a switching arm of a chassis arrangement connected to a switching piece in one embodiment.

[0146] In particular, Figure 2A is a side view, Figure 2B is a sectional view.

[0147] Figure 2A and Figure 2B only the switching arm 201 of the chassis arrangement 200 is shown, further details regarding the chassis arrangement 200 are referred to the following figures. Figure 2A and Figure 2B the switching piece 100 shown in Figure 1 corresponds to the switching piece 100 shown in Figure 1 . Further details regarding the switching piece 100 are referred to the description of the switching piece 100 in the above. Here, the chassis component comprises the switching arm 201.

[0148] As can be taken from Figure 2A or Figure 2B , the switching piece 100 is fastened to the switching arm 201 in a material-bonding manner, wherein the switching arm 201 is in particular welded to the switching piece 100. Alternatively or additionally, it can also be fastened in a force-fitting and / or form-fitting manner.

[0149] The switching arm 201 has two switching arm flanges 205 at a first arm section 203 facing the switching piece 100. The switching arm flanges 205 are located on the side surface 105 of the hollow-cylindrical bushing 101 of the switching piece 100 and are connected to the side surface 105 in a material-bonding manner, in particular welded. Alternatively or additionally, it can also be fastened in a force-fitting and / or form-fitting manner. As can be taken from Figure 2A or Figure 2B , the first arm section 203 extends horizontally.

[0150] The switching arm 201 has in particular a second arm section 207 facing away from the switching piece 100 or the first arm section 203, wherein a second arm section end 209 of the second arm section 207 is connected to the longitudinal and / or cross beams of the chassis component (not shown in Figure 2A and Figure 2B in a material-bonding manner, in particular welded and / or in a force-fitting manner, in particular screwed. As can be taken from Figure 2A and Figure 2B , the second arm section 207 extends vertically obliquely.

[0151] The adapter arm 201 has, inter alia, a third curved arm section 211 connecting a first arm section 203, in particular a horizontal arm section, and a second arm section 207, in particular a vertically obliquely extending arm section.

[0152] It can further be taken from Figure 2A and Figure 2B that the adapter arm 201 has an adapter arm body 213 extending along the first, second and third arm sections 203, 207, 211, wherein the two adapter arm flanges 205 are, inter alia, part of the adapter arm body 213.

[0153] It can further be taken from Figure 2A and Figure 2B that the adapter arm 201 has an adapter arm cover 215. The adapter arm cover 215 is connected to the adapter arm body 213 in a material-bonding manner, covers an open top side of the adapter arm body 213 (not shown in Figure 2A and Figure 2B ) and extends along the first, second and third arm sections 203, 207, 211. A cover end 217 of the adapter arm cover 215 facing towards the adapter 100 is, inter alia, located on the side face 105 of the adapter 100 and is connected to it in a material-bonding manner, in particular welded. The cover end 217 has, inter alia, a circular recess located at the side face 105 of the adapter 100.

[0154] Although Figure 2A or Figure 2B is not shown, the adapter 100 shown in Figure 3 or Figure 2A may also be fastened directly to the longitudinal beams and / or to the cross beams in a material-bonding manner and / or in a force-fitting manner, not via the adapter arm 201. In this regard, reference is made to the other figures.

[0155] Figure 2B is a side view of a chassis arrangement having two adapters connected to each other and four Figure 1 and Figure 3 adapter arms in one embodiment. Figure 3 is a side view of a chassis arrangement having two adapters connected to each other and four

[0156] The chassis arrangement 200 comprises a chassis component 218 as such. The chassis component 218 comprises at least one longitudinal beam 219, in particular a first longitudinal beam 219-1 and a second longitudinal beam 219-2 extending next to each other. The chassis arrangement 200 comprises at least one cross beam 221, in particular a first cross beam 221-1 and a second cross beam 221-2 extending next to each other. The first and second cross beams 221-1, 221-2 extend transversely with respect to the first and second longitudinal beams 219-1, 219-2. The first and second cross beams 221-1, 221-2 are fastened to, in particular welded and / or screwed to, the first longitudinal beam 219-1 and the second longitudinal beam 219-2 in a material-bonding manner and / or in a force-fitting manner.

[0157] In the mounted state of the chassis component 218, the longitudinal beams 219-1 and 219-2 extend substantially in the driving direction (not shown) and the first and second cross beams 221-1 and 221-2 extend substantially transversely with respect to the driving direction (not shown). Figure 3

[0158] The first and second longitudinal beams 219-1 and 219-2 are formed as profiled sheet metal parts as part of a welded assembly and have a hollow profile. Likewise, the first and second cross beams 221-1 and 221-2 can be formed, in particular, as profiled sheet metal parts as part of a welded assembly and / or have a hollow profile. The cross beams 221-1 and 221-2 are formed, in particular, as straight cross beams 221-1 and 221-2. As an alternative, the longitudinal beams 219-1 and 219-2 and / or the cross beams 221-1 and 221-2 can also be formed as tubular parts, wherein such tubular parts can be produced by producing the sheet metal parts in the shape of a U-shaped or O-shaped cross section.

[0159] The longitudinal beams 219-1 and 219-2 are formed, in particular, as curved longitudinal beams 219-1 and 219-2. The first and second longitudinal beams 219-1 and 219-2 are arranged substantially mirror-symmetrically with respect to a chassis component center axis 208, which is located in the middle of the longitudinal beams 219-1 and 219-2 and extends transversely with respect to the cross beams 221-1 and 221-2.

[0160] Figure 3 Four adapter pieces 100, which are each connected directly to a respective longitudinal beam 219, 219-1 and 219-2, are shown in the longitudinal section. In the following, these four adapter pieces 100 are referred to as end-side adapter pieces 100-1. The end-side adapter pieces 100-1 are arranged in a materially bonded manner, in particular welded, at one end 223 of the first or second longitudinal beam 219-1 or 219-2 or at the other end 225 of the first or second longitudinal beam 219-1 or 219-2, which is opposite the one end 223. As an alternative or in addition, a force-fit and / or form-fit fastening is also possible.

[0161] It can be seen from the longitudinal section that the end-side adapter pieces 100-1 are arranged at the one end 223 or the other end 225 of the first or second longitudinal beam 219-1 or 219-2. Figure 3 It can be seen from the longitudinal section that the end-side adapter pieces 100-1 are arranged, in particular, at least partially inside the respective longitudinal beam 219-1 or 219-2.

[0162] Figure 3 It can be seen from the longitudinal section that the end-side adapter pieces 100-1 are arranged, in particular, at least partially inside the respective longitudinal beam 219-1 or 219-2.

[0163] ​​The cylindrical bottom side 123 of each end-side adapter 100-1 is in particular connected, in particular in a material-bonding manner, with a respective bottom side 229 of the respective longitudinal beam 219-1, 219-2.

[0164] The top side 227 of each longitudinal beam 219-1, 219-2 in particular forms a top opening 231 of the longitudinal beam 219-1, 219-2, respectively, for the end-side adapter 100-1 to extend into. The opening edge defines each top opening 231 Figure 3 The top side 227 of each longitudinal beam 219-1, 219-2 in particular forms a top opening 231 of the longitudinal beam 219-1, 219-2, respectively, for the end-side adapter 100-1 to extend into. The opening edge defines each top opening 231

[0165] Figure 2A Two adapters 100 are shown in Fig. 2, which are connected to the respective longitudinal beams 119-1, 119-2 by the respective adapter arm 201, respectively. In the following, these two adapters 100 will be referred to as central adapters 100-2. The two central adapters 100-2 are fastened to a central region 233 of the respective longitudinal beam 119, 119-1, 119-2 by the respective adapter arm 201, respectively, wherein, as shown in Fig. 2, each central region 233 extends between the respective one end 223 and the respective other end 225 of the first or second longitudinal beam 219-1, 219-2, respectively. Figure 2B

[0166] As described above in connection with Figs. 1 and 2 Figure 4A and Figure 4B The second arm segment end 209 of the second arm segment 207 of each adapter arm 201 is connected in a material-bonding manner, in particular welded, with the respective first or second longitudinal beam 219-1, 219-2, in particular with the respective central region 233 of the respective longitudinal beam 219, 219-1, 219-2. As an alternative or in addition, the connection can also be fastened by force-fitting.

[0167] Furthermore, each first and second longitudinal beam 219-1, 219-2 is provided with a plurality of fastening portions 235 for fastening the floor assembly 200 to another vehicle component, in particular to a vehicle floor.

[0168] In the following, the connection of the adapters 100, in particular the central adapters 100-2 and the end-side adapters 100-1, to the vehicle component will be described in connection with Figs. 1 and 2 Figure 4A and Figure 4B

[0169] Figure 3 and Figure 4A are a vehicle component comprising a longitudinal beam and / or a cross beam of a chassis component, in particular fastened to the longitudinal beam and / or the cross beam of the chassis component by a fastening member, in an embodiment. Figure 4B ​​a side view and a sectional view of the chassis arrangement 200.

[0170] Figure 4A is a side view of the chassis arrangement 200, whereas Figure 4B is a sectional view of the chassis arrangement 200.

[0171] Figure 3 and Figure 4A the chassis arrangement 200 shown in Figure 4B differ from the chassis arrangement 200 shown in Figure 4A and Figure 4B further shows a vehicle component 237 fastened to the chassis component 218, in particular to the first and second longitudinal beams 219, 219-1, 219-2, by means of fasteners 241, in particular formed as fastening screws.

[0172] The vehicle component 237 is in particular formed as a vehicle floor. Although the vehicle component 237, in particular the vehicle floor, is shown in Figure 4A and Figure 4B only by a first vehicle component portion 237-1 and a second vehicle component portion 237-2, both portions 237-1, 237-2 are connected to each other by a region not shown in Figure 4B and Figure 4B , wherein the vehicle component 237 is in particular formed as a component composed of multiple portions.

[0173] The vehicle component 237 has in particular multiple fastening protrusions 239 fastened to the respective first or second longitudinal beam 219-1, 219-2 by means of the respective fastener 241.

[0174] The first fastening protrusion 239-1 is in particular connected to an end-side adapter 100-1 provided at one end 223 of the first longitudinal beam 119-1 by means of the fastener 241.

[0175] The second fastening protrusion 239-2 is in particular connected to a central adapter 100-2 provided at a central region 233 of the first longitudinal beam 119-1 by means of the fastener 241.

[0176] The third fastening protrusion 239-3 is in particular connected to an end-side adapter 100-1 provided at the other end 225 of the first longitudinal beam 119-1 by means of the fastener 241.

[0177] The fourth fastening protrusion 239-4 is in particular connected to an end-side adapter 100-1 provided at one end 223 of the second longitudinal beam 119-2 by means of the fastener 241.

[0178] The fifth fastening protrusion 239-5 is in particular connected to a central adapter 100-2 provided at a central region 233 of the second longitudinal beam 119-2 by means of the fastener 241.

[0179] The sixth fastening protrusion 239-6 is connected to the end-side adapter 100-1 provided at the other end 225 of the second longitudinal beam 119-2 by means of the fastening element 241, in particular a fastening screw.

[0180] In the cross-sectional view, it is apparent how the vehicle component 237, in particular the vehicle floor, is connected to the first and second longitudinal beams 219-1, 219-2 by means of the fastening elements 241, in particular fastening screws. Figure 4B In the cross-sectional view, it is apparent how the vehicle component 237, in particular the vehicle floor, is connected to the first and second longitudinal beams 219-1, 219-2 by means of the fastening elements 241, in particular fastening screws.

[0181] Each fastening element 241, in particular a fastening screw, passes through a respective fastening hole 109 of the respective adapter 100, 100-1, 100-2 and has a respective stop 243 at the respective opening edge (not labeled in the Figure 4B cross-sectional view) defining the top opening 231 and is fixed by means of a respective fastening shaft with a nut (not shown in the Figure 5 cross-sectional view).

[0182] Each fastening element 241, in particular a fastening shaft 245, passes through a respective fastening hole 109 in the cover face 103 of the respective adapter 100 and a further fastening hole 247 (not shown in the ​ cross-sectional view) in the vehicle component 237 and is fixed to the adapter 100 in order to fasten the adapter 100 to the vehicle component 237.

[0183] ​ A method for manufacturing an adapter for fastening chassis components, in particular longitudinal and / or transverse beams of a chassis, to a vehicle component is shown.

[0184] As a method step 301, the method 300 comprises providing a steel semi-finished product.

[0185] As a method step 303, the method 300 comprises deep-drawing the steel semi-finished product to obtain a hollow cylindrical region having a cover face 103 and a side face 105.

[0186] As a method step 305, the method 300 comprises introducing a fastening hole 109 in the cover face 103 to obtain an adapter 100, 100-1, 100-2 formed as a hollow cylindrical bushing 101 having a cover face 103 and a side face 105, wherein the cover face 103 and the side face 105 define a bushing interior 107 of the hollow cylindrical bushing 101.

[0187] Prior to the deep-drawing method step 303, a pre-bore can be introduced in the steel semi-finished product, in particular, wherein the pre-bore serves to determine the position of the fastening hole 109 in the subsequent method step of introducing the fastening hole 109 in the cover face 103.

[0188] As an optional method step 307, the method 300 comprises: separating the protrusion extending from the side 105 of the adapter formed as a hollow cylindrical bushing.

[0189] As an alternative to the optional separating of the protrusion extending from the side 105 of the adapter 100 formed as a hollow cylindrical bushing 101, it is also possible, in particular optionally, to bend the protrusion extending from the side 105 of the adapter 100 formed as a hollow cylindrical bushing 101, such that the protrusion constitutes a part of the side 105 of the adapter 100 formed as a hollow cylindrical bushing 101.

Claims

1. A connection adapter (100, 100-1, 100-2) for fastening a chassis component (218, 219, 219-1, 219-2, 221, 221-1, 221-2) to a vehicle component (237), wherein: The connection adapter (100, 100-1, 100-2) is formed as a hollow cylindrical bushing (101) having a cover surface (103) and a side surface (105), wherein the cover surface (103) and the side surface (105) define a bushing interior (107) of the hollow cylindrical bushing (101), characterized in that: The side surface (105) can be fastened to the chassis component (218, 219, 219-1, 219-2, 221, 221-1, 221-2) by material bonding and / or force-fitting and / or form-fitting, A fastening hole (109) is formed on the cover surface (103), and a fastener (241) can penetrate the fastening hole (109) to fasten the connection adapter (100, 100-1, 100-2) to the vehicle component (237). The hollow cylindrical bushing (101) is formed as an integrally formed deep-drawn steel component with uniform material.

2. The connection adapter (100, 100-1, 100-2) according to claim 1, characterized in that: The top surface (103) and / or the side surface (105) of the hollow cylindrical bushing (101) has a wall thickness (111) between 1.5 mm and 5 mm, preferably between 2 mm and 4 mm.

3. The connection adapter (100, 100-1, 100-2) according to claim 1 or 2, characterized in that: The hollow cylindrical bushing (101) has a transition region (113) surrounding the hollow cylindrical bushing (101), wherein the transition region (113) is formed between the cover surface (103) and the side surface (105) of the hollow cylindrical bushing (101), wherein the transition region (113) surrounding the hollow cylindrical bushing (101) is in particular formed as a rounded edge of the cover surface (103).

4. The connection adapter (100, 100-1, 100-2) according to claim 3, characterized in that: The surrounding transition region (113), in particular the rounded edge of the cover surface (103), has a wall thickness (111) between 1.0 mm and 5 mm.

5. The connection adapter (100, 100-1, 100-2) according to any one of the preceding claims, characterized in that: On the bottom side (115) of the hollow cylindrical bushing (101) opposite to the cover surface (103), the hollow cylindrical bushing (101) has no bottom surface.

6. The connection adapter (100, 100-1, 100-2) according to any one of the preceding claims, characterized in that: The hollow cylindrical bushing (101) has an outer diameter (117) between 30 mm and 150 mm, preferably between 40 mm and 80 mm; and / or the hollow cylindrical bushing (101) has a height (119) between 30 mm and 200 mm; and / or the fastening hole (109) on the cover surface (103) has an opening diameter (121) between 7 mm and 30 mm.

7. The connection adapter (100, 100-1, 100-2) according to any one of the preceding claims, characterized in that The side surface (105) can be welded and / or screwed to the chassis component (218, 219, 219-1, 219-2, 221, 221-1, 221-2).

8. A vehicle chassis device (200), characterized in that: include: Chassis components (218, 219, 219-1, 219-2, 221, 221-1, 221-2); as well as At least one connection adapter (100, 100-1, 100-2) according to any one of claims 1 to 7, wherein the side surface (105) of the at least one connection adapter (100, 100-1, 100-2) is fastened to the chassis component (218, 219, 219-1, 219-2, 221, 221-1, 221-2) by material bonding and / or force fit and / or form fit.

9. The chassis device (200) according to claim 8, characterized in that The chassis component (218, 219, 219-1, 219-2, 221, 221-1, 221-2) is a front axle carrier, a rear axle carrier or a torsion beam suspension, in particular comprising longitudinal beams (219, 219-1, 219-2) and / or transverse beams (221, 221-1, 221-2).

10. The chassis device (200) according to claim 8 or 9, characterized in that: The at least one connecting adapter (100, 100-1, 100-2) is fastened to the chassis component (218, 219, 219-1, 219-2, 221, 221-1, 221-2) by material bonding and / or force fit and / or form fit, in particular to the longitudinal beam (219, 219-1, 219-2) and / or the transverse beam (221, 221-1, 221-2) of the chassis component (218, 219, 219-1, 219-2, 221, 221-1, 221-2), wherein the At least one connecting adapter (100, 100-1, 100-2) is fastened to an adapter arm (201) of the chassis component (218, 219, 219-1, 219-2, 221, 221-1, 221-2), in particular by material bonding and / or force-fitting and / or form-fitting, wherein the adapter arm (201) is connected to the longitudinal beam (219, 219-1, 219-2) and / or the transverse beam (221, 221-1, 221-2), in particular by material bonding, in particular by welding, and / or force-fitting, in particular by screwing.

11. The chassis device (200) according to claim 8, 9 or 10, characterized in that: The chassis device (200) has at least one end-side connection adapter (100, 100-1), wherein the at least one end-side connection adapter (100, 100-1) is fastened, in particular directly, to: The chassis component (218, 219, 219-1, 219-2, 221, 221-1, 221-2), in particular one end (223) of a longitudinal beam (219, 219-1, 219-2) and / or a transverse beam (221, 221-1, 221-2) of the chassis component (218, 219, 219-1, 219-2, 221, 221-1, 221-2); and / or The chassis component (218, 219, 219-1, 219-2, 221, 221-1, 221-2), in particular the other end (225) of the longitudinal beam (219, 219-1, 219-2) and / or the transverse beam (221, 221-1, 221-2) of the chassis component (218, 219, 219-1, 219-2, 221, 221-1, 221-2) opposite to the one end (223).

12. The chassis device (200) according to any one of claims 8 to 11, characterized in that: The chassis device (200) comprises at least one central connecting adapter (233) which is fastened to the chassis component (218, 219, 219-1, 219-2, 221, 221-1, 221-2), in particular to the central region (233) of the longitudinal beam (219, 219-1, 219-2) and / or the transverse beam (221, 221-1, 221-2) of the chassis component (218, 219, 219-1, 219-2, 221, 221-1, 221-2). 100, 100-2), wherein the central area (233) is arranged at the chassis component (218, 219, 219-1, 219-2, 221, 221-1, 221-2), in particular, at one end (223) of the longitudinal beam (219, 219-1, 219-2) and / or the transverse beam (221, 221-1, 221-2) of the chassis component (218, 219, 219-1, 219-2, 221, 221-1, 221-2) and at the junction of the chassis component (218, 219, 219-1, 219-2, 221, 221-1, 221-2) and the chassis component (218, 219, 219-1, 219-2, 221 1, 221-1, 221-2) is particularly between the other end (225) of the longitudinal beam (219, 219-1, 219-2) and / or the cross beam (221, 221-1, 221-2) of the chassis component (218, 219, 219-1, 219-2, 221, 221-1, 221-2) opposite to the one end (223), wherein the central connecting adapter (100, 100-2) is particularly fastened to the chassis component (218, 219) in a material bonding manner and / or in a force-fitting manner and / or in a form-fitting manner. , 219-1, 219-2, 221, 221-1, 221-2) of the longitudinal beam (219, 219-1, 219-2) and / or the cross beam (221, 221-1, 221-2), wherein the transition arm (201) is fastened to the central area (233) of the longitudinal beam (219, 219-1, 219-2) and / or the cross beam (221, 221-1, 221-2) by material bonding, in particular welding, and / or by force fitting, in particular screwing.

13. The chassis device (200) according to any one of claims 8 to 12, characterized in that: The chassis device (200) has a first longitudinal beam (219, 219-1) and a second longitudinal beam (219, 219-2), wherein the chassis device (200) has a first cross beam and a second cross beam (221, 221-1, 221-2) extending transversely relative to the first longitudinal beam and the second longitudinal beam (219, 219-1, 219-2), wherein each of the first cross beam and the second cross beam (221, 221-1, 221-2) is fastened to the first longitudinal beam (219, 219-1) and the second longitudinal beam (219, 219-2) in a material bonding manner and / or a force-locking manner.

14. The chassis device (200) according to any one of claims 8 to 13, characterized in that: The chassis device (200) comprises: a vehicle component (237), in particular a vehicle floor; and a fastener (241), wherein the fastener (241) passes through the fastening hole (109) on the cover surface (103) of the connection adapter (100, 100-1, 100-2) and another fastening hole (247) of the vehicle component (237) and is fixed to the connection adapter (100, 100-1, 100-2) to fasten the connection adapter (100, 100-1, 100-2) to the vehicle component (237).

15. A method (300) for producing a connecting adapter (100) for fastening a chassis component (218, 219, 219-1, 219-2, 221, 221-1, 221-2), in particular a longitudinal beam (219, 219-1, 219-2) and / or a transverse beam (221, 221-1, 221-2) of the chassis component (218, 219, 219-1, 219-2, 221, 221-1, 221-2), to a vehicle component (237), characterized in that The method (300) comprises the following method steps: Provide (301) steel semi-finished products; Deep drawing (303) the steel semi-finished product to obtain a cylindrical region having a top surface (103) and side surfaces (105); Introducing (305) fastening holes (109) in the cover surface (103) to obtain the connection adapter (100, 100-1, 100-2) formed as a hollow cylindrical bushing (101) with the cover surface (103) and the side surface (105), wherein the cover surface (103) and the side surface (105) define a bushing interior (107) of the hollow cylindrical bushing (101), wherein the hollow cylindrical bushing (101) is formed as a one-piece and uniform steel deep-drawn component; and Optionally, a protrusion extending from the side surface (105) of the connection adapter (100, 100-1, 100-2) formed as a hollow cylindrical bushing (101) is separated (307).

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