Fastening arrangement and motor vehicle

Abstract

Fastening arrangement (10) for fastening at least one bumper component (3) to at least one vehicle body component (2), wherein at least one body component-side magnetic fastening element (4) is formed or arranged on the at least one body component-side magnetic fastening element (4) and at least one bumper component-side magnetic fastening element (5) corresponding magnetically to the at least one body component-side magnetic fastening element (4) is formed or arranged on the at least one bumper component (3), wherein the body component-side magnetic fastening element (4) and the bumper component-side magnetic fastening element (5) are configured to interact magnetically with each other, forming a magnetic fastening of the bumper component (3) to the body component (2).wherein at least one body-side positioning element (7) is arranged or formed on the body component (2) and / or on at least one body-side magnetic element (9) arranged or formed on the body component (2), and wherein at least one corresponding bumper-side positioning element (8) is arranged or formed on the bumper component (3) or on at least one bumper-side magnetic element (6) arranged and / or formed on the bumper component (3), wherein the body-side positioning element (7) and the bumper-side positioning element (8) are configured to cooperate in forming a predefined positioning of the bumper component (3) on the body component (2), and the bumper component (3) in the state attached to the body component (2) bears at least sectionally directly against the body component (2),wherein the body-side positioning element (7) is designed as a positive locking element or at least comprises one such element and the bumper-side positioning element (8) is designed as a corresponding counter-positive locking element or at least comprises one such element, characterized in that the positive locking element and the counter-positive locking element are a circular bore-like recess or a cross- or pin-like projection.

Description

[0001] The invention relates to a fastening arrangement for fastening at least one bumper component to at least one body component on the side of a motor vehicle, according to the preamble of claim 1.

[0002] Such fastening arrangements are known in the field of automotive engineering. The main function of such fastening arrangements is to provide a stable and reliable attachment of a bumper component, i.e., a bumper to be mounted on the front or rear of a vehicle, to a body component of the vehicle, i.e., a side panel frame.

[0003] To date, bumper components are attached to corresponding body parts, for example, using screws. This requires access to the vehicle interior to install the necessary fastener, typically a nut. The described fastening method is comparatively complex, at least with regard to the installation process.

[0004] Other known fastening principles are also comparatively complex with regard to the required fastening elements and the required assembly process, and therefore equally worthy of further development.

[0005] An example of a fastening arrangement that exhibits the characteristics of the generic term is described in the generic publication DE 78 17 518 U1.

[0006] Further versions of different fastening arrangements are described in the documents DE 10 2011 087 746 A1, DE 10 2009 006 485 A1, WO 95 / 28 295 A1 US 2012 / 0 223 513 A1, US 5 050 925 A, DE 10 2010 014 009 A1, DE 10 2005 031 723 A1 and DE 38 04 386 A1.

[0007] The invention is based on the objective of providing an improved fastening arrangement for attaching at least one bumper component to at least one body component on the side of a motor vehicle.

[0008] The problem is solved by a fastening arrangement for fastening at least one bumper component to at least one motor vehicle body component with the features of the preamble of claim 1, which is characterized in that the positive locking element and the counter-positive locking element are a circular bore-like recess or a cross- or pin-like projection.

[0009] The fastening arrangement described herein comprises at least one bumper component and at least one vehicle-side body component and generally serves to fasten at least one bumper component to at least one vehicle-side body component (hereinafter referred to as a body component), i.e., a component that forms (or is part of) the vehicle body or a component belonging (or is part of) the vehicle body. A corresponding bumper component may, for example, be a bumper that is to be attached or is attached to the front or rear of the vehicle; a corresponding body component may, for example, be a side panel frame.

[0010] A corresponding bumper component, when attached to the body panel, can typically be in direct contact with the body panel, at least partially, particularly in the area of ​​a vertical and / or horizontal bumper section. This direct contact of a bumper component with a body panel creates so-called "zero gaps." These zero gaps can extend vertically and / or horizontally with respect to the vehicle body. The bumper component can thus cover or encompass the body panel, at least partially, in the vertical and / or horizontal direction with respect to the vehicle body.

[0011] At least one body component has at least one magnetic fastening element on the body component side. At least one bumper component has at least one magnetic fastening element on the bumper component side that is magnetically corresponding to the at least one magnetic fastening element on the body component side. "Magnetically corresponding" magnetic fastening elements are understood to mean mutually magnetically attractive magnetic fastening elements. Therefore, there is a fundamental magnetic attraction between magnetically corresponding magnetic fastening elements. The magnetic fastening element on the body component side and the magnetic fastening element on the bumper component side are thus configured to interact magnetically with each other, forming a magnetic attachment of the bumper component to the body component.Due to the magnetic interaction of corresponding magnetic fasteners on the body components and magnetically corresponding fasteners on the bumper components, a magnetic attachment of a corresponding bumper component to a corresponding body component is possible or has been implemented. Other fastening methods for attaching a corresponding bumper component to a corresponding body component are not strictly necessary.

[0012] This provides a simple yet reliable fastening principle for attaching corresponding bumper components to corresponding body components, particularly with regard to the required fastening elements and the required assembly process, and thus an overall improved fastening arrangement.

[0013] A magnetic fastening element on the bumper component side can be formed from a magnetic or magnetizable material that forms at least part of, or possibly the entire, bumper component. The bumper component can therefore exhibit magnetic properties at least part of, or possibly the entire, bumper component, since it can be formed at least part of, or possibly the entire, bumper component from a magnetic or magnetizable material.

[0014] A magnetic or magnetizable material forming at least part of the bumper component can be a ferromagnetic material or at least comprise one. Suitable ferromagnetic materials include, in particular, (permanent) magnetic or magnetizable compounds based on iron, cobalt, nickel, and / or other ferromagnetic materials or material compounds. A concrete example is an AlNiCo permanent magnet, i.e., an iron alloy with aluminum, nickel, and cobalt as the main alloying elements, or a ferritic steel.

[0015] Alternatively or additionally, the magnetic fastening element on the bumper component can be formed by a magnetic or magnetizable element that is formed or arranged on the bumper component. Such a magnetic element is typically a separate magnetic or magnetizable component that is structurally connected to or attached to the bumper component, i.e., formed or arranged on it. In this case, the bumper component itself does not necessarily have to possess magnetic properties.

[0016] A corresponding magnetic or magnetizable magnetic element can be a magnetic or magnetizable, in particular plate-shaped, component that is formed or arranged on, in, or under a surface of the bumper component that is exposed when not attached to the body component. A corresponding magnetic or magnetizable magnetic element can be connected to the bumper component by any form-fit, force-fit, and / or material-fit connection method.

[0017] Reference is made, by way of example, to snap-fit, screw, rivet, adhesive, or weld connections for attaching a corresponding magnetic or magnetizable magnetic element to the bumper component. The bumper component may have suitable attachment areas, e.g., in the form of recess-like receptacles, to or in which a corresponding magnetic or magnetizable magnetic element can be attached. In any case, the attachment of a corresponding magnetic or magnetizable magnetic element to the bumper component is selected in such a way that sufficient magnetic interaction can be established with a magnetically corresponding magnetic fastening element on the body component.

[0018] A corresponding magnetic or magnetizable magnetic element can also be made of a ferromagnetic material or at least comprise one. Suitable ferromagnetic materials here, too, include (permanent) magnetic or magnetizable compounds based on iron, cobalt, nickel, and / or other ferromagnetic materials or material compounds. A concrete example is a corresponding AlNiCo permanent magnet, i.e., an iron alloy with aluminum, nickel, and cobalt as the main alloying elements.

[0019] Similarly, a magnetic fastening element on a body component can be formed from a magnetic or magnetizable material that forms at least part of, or possibly the entire, body component. The body component can therefore exhibit magnetic properties at least part of, or possibly the entire, body component, since it can be formed at least part of, or possibly the entire body component, from a magnetic or magnetizable material.

[0020] A magnetic or magnetizable material forming at least part of the body panel can be a ferromagnetic material or at least include one. Suitable ferromagnetic materials include, in particular, (permanent) magnetic or magnetizable compounds based on iron, cobalt, nickel, and / or other ferromagnetic materials or material compounds. A specific example is ferritic steel.

[0021] Alternatively or additionally, a magnetic fastening element on the body component side can be formed by a magnetic or magnetizable element that is formed or arranged on the body component. Such a magnetic element is typically a separate magnetic or magnetizable component that is structurally connected to or attached to the body component, i.e., formed or arranged on it. In this case, the body component itself does not necessarily have to possess magnetic properties.

[0022] A corresponding magnetic or magnetizable magnetic element can also be a magnetic or magnetizable component, particularly a plate-shaped one, which is formed or arranged on, in, or under a surface of the body component that is exposed when not attached to the bumper component. A corresponding magnetic or magnetizable magnetic element can be connected to the body component by any form-fit, force-fit, and / or material-fit connection type. Snap-fit, screw, rivet, adhesive, or welded connections for connecting a corresponding magnetic or magnetizable magnetic element to the body component are mentioned only as examples. The body component can have suitable connection areas, e.g., in the form of recess-like receptacles, to or in which a corresponding magnetic or magnetizable magnetic element can be connected to the body component.In any case, the connection of a corresponding magnetic or magnetizable magnetic element to the body component is chosen in such a way that a sufficient magnetic interaction can be formed with a magnetically corresponding magnetic fastening element on the bumper component side.

[0023] A corresponding magnetic or magnetizable magnetic element can also be made of a ferromagnetic material or at least comprise one. Suitable ferromagnetic materials here, too, include (permanent) magnetic or magnetizable compounds based on iron, cobalt, nickel, and / or other ferromagnetic materials or material compounds. A concrete example is again an AlNiCo permanent magnet, i.e., an iron alloy with aluminum, nickel, and cobalt as the main alloying elements.

[0024] To ensure precise alignment or positioning of a corresponding bumper component on or relative to a corresponding body component, and thus to create a predefined alignment or positioning of a bumper component on or relative to a body component, at least one body-component-side positioning element is arranged or formed on the body component and / or on at least one body-component-side magnetic element arranged or formed on the body component. Correspondingly, at least one bumper-component-side positioning element corresponding to the at least one body-component-side positioning element is arranged or formed on the bumper component or on at least one bumper-component-side magnetic element arranged and / or formed on the bumper component.The body-side positioning element and the bumper-side positioning element are designed to work together to form a predefined alignment or positioning of the bumper component on or relative to the body-side component.

[0025] A corresponding body-component positioning element is designed as a positive-locking element, namely a recess or a projection, or comprises at least one such element. A corresponding bumper-component positioning element is designed as a corresponding counter-positive-locking element, namely a recess or a projection, or comprises at least one such element. The body-component positioning element and the bumper-component positioning element can thus be configured to interact positively, optionally without damage or destruction, by forming a predefined orientation or positioning of the bumper component on or relative to the body component. Corresponding positive-locking elements and counter-positive-locking elements can form positive-locking pairs. The geometric design, i.e., in particular dimensions and shape, of the respective positive-locking elements or...The counter-locking elements can, in principle, be chosen arbitrarily. According to the invention, these are circular bore-like recesses and cross- or pin-like projections.

[0026] The invention further relates to a motor vehicle, in particular a passenger car, according to claim 9. The motor vehicle comprises at least one body component and at least one bumper component. The motor vehicle is characterized by a fastening arrangement as described. By means of the fastening arrangement, the at least one bumper component is attached to the at least one body component.

[0027] All statements relating to the fastening arrangement apply analogously to the motor vehicle.

[0028] Further advantages and details of the invention will become apparent from the exemplary embodiments described below and from the drawings. These show: Fig. 1 a schematic representation of a motor vehicle according to an embodiment of the invention; and Fig. 2, Fig. 3 each a schematic representation of a fastening arrangement according to an embodiment of the invention.

[0029] Fig. Figure 1 shows a schematic representation of a motor vehicle 1 according to an embodiment of the invention. The motor vehicle 1 is a passenger car.

[0030] The motor vehicle 1 comprises a body component 2 and a bumper component 3. For the purpose of explaining the principle described herein, only a body component 2 and a bumper component 3 will be referred to in the following. As in Fig. As shown in Figure 1, the motor vehicle 1 can of course have several body components 2 and several bumper components 3.

[0031] A fastening arrangement 10 is used to attach a bumper component 3, which in the embodiment shown in the figures is a bumper to be attached to the front or rear of a motor vehicle, to a body component 2, which in the embodiment shown in the figures is a side wall frame. The fastening arrangement 10 thus generally serves to fasten a bumper component 3 to a body component 2.

[0032] As shown by the Fig. 2, Fig. As can be seen in Figure 3, a corresponding bumper component 3, when attached to the body component 2, can be in direct contact with the body component 2 in sections, particularly in the area of ​​a vertical and / or a horizontal bumper component section. This direct contact of the bumper component 3 with the body component 2 creates so-called "zero gaps" which extend in a vertical and / or horizontal direction with respect to the vehicle body.

[0033] Body component 2 has a body-side magnetic fastening element 4. Bumper component 3 has a bumper-side magnetic fastening element 5 that is magnetically corresponding to the body-side magnetic fastening element 4. "Magnetically corresponding" magnetic fastening elements 4 and 5 are understood to mean mutually magnetically attractive magnetic fastening elements 4 and 5. A magnetic attraction therefore exists between the magnetically corresponding magnetic fastening elements 4 and 5. The body-side magnetic fastening element 4 and the bumper-side magnetic fastening element 5 are thus configured to interact magnetically with each other, forming a magnetic attachment of the bumper component 3 to the body component 2.Due to the magnetic interaction between the magnetic fastening element 4 on the body component side and the magnetically corresponding magnetic fastening element 5 on the bumper component side, a magnetic fastening of the bumper component 3 to the body component 2 is achieved. Further fastening methods for attaching the bumper component 3 to the body component 2 are not strictly necessary.

[0034] In the Fig. In the embodiment shown in Figure 2, the magnetic fastening element 5 on the bumper component side is formed by a (permanent) magnetic element 6 arranged on the bumper component 3. The (permanent) magnetic element 6 is a separate magnetic component which is structurally connected to or attached to the bumper component 3, i.e., formed or arranged on it.

[0035] Specifically, the (permanent) magnetic element 6 is a (permanent) magnetic plate-shaped component arranged in the exposed surface of the bumper component 3 when not attached to the body component 2. The (permanent) magnetic element 6 can be connected to the bumper component 3 by any form-fit, force-fit, and / or material-fit connection method. Snap-fit, screw, rivet, adhesive, or weld connections are mentioned only as examples. The bumper component 3 can have suitable connection areas, e.g., in the form of recess-like receptacles, to or in which the (permanent) magnetic element 6 can be connected to the bumper component 3.

[0036] The (permanent) magnetic element 6 is made of a ferromagnetic material. Suitable ferromagnetic materials include (permanent) magnetic compounds based on iron, cobalt, nickel, and / or other ferromagnetic materials or material compounds. Specifically, the (permanent) magnetic element 6 is an AlNiCo permanent magnet, i.e., an iron alloy with aluminum, nickel, and cobalt as the main alloying elements.

[0037] The magnetic fastening element 4 on the body-side is formed by a magnetizable material that constitutes the body-side component 2. The body-side component 2 therefore exhibits magnetic properties, since it is formed from the magnetizable material. The magnetizable material forming the body-side component 2 is a ferromagnetic iron compound, namely a ferritic steel.

[0038] In Fig. 2 is indicated in a dashed representation that several corresponding magnetic elements 6 may be provided distributed on the bumper component side.

[0039] In Fig. Figure 2 shows body-component positioning elements 7 and corresponding bumper-component positioning elements 8. The body-component positioning elements 7 and the bumper-component positioning elements 8 are thus designed to interact positively, forming a predefined alignment or positioning of the bumper component 3 on or relative to the body component 2. They therefore serve to precisely align or position the bumper component 3 on or relative to the body component 2, thus forming a predefined alignment or positioning of the bumper component 3 on or relative to the body component 2.

[0040] In the embodiment according to Fig. 2. The body-side positioning elements 7 are positive locking elements in the form of bore-like recesses, and the bumper-side positioning elements 8 are corresponding counter-positive locking elements in the form of cross- or pin-shaped projections. Of course, a reverse configuration of the corresponding positioning elements 7 and 8 is also conceivable; that is, the body-side positioning elements 7 can also be positive locking elements in the form of cross- or pin-shaped projections, and the bumper-side positioning elements 8 can also be corresponding counter-positive locking elements in the form of bore-like recesses.

[0041] With regard to the respective body-component-side or bumper-side magnetic fastening elements 4, 5, it is stated in the Fig. 3 shown embodiment is one of the embodiments shown in Fig. The embodiment shown in Figure 2 shows the reversed configuration. Accordingly, the magnetic fastening element 5 on the bumper component side is formed by a magnetizable material that forms the bumper component 3. The magnetic element 6 on the body component side is a (permanent) magnetic element 9.

[0042] Analogous to the one in Fig. The representation shown in 2 is in Fig. 3 indicates in dashed lines that several corresponding (permanent) magnetic elements 9 may be provided distributed on the body component side.

[0043] Of course, the ones in the Fig. 2, Fig. The 3 illustrated embodiments of corresponding body-side or bumper-side magnetic fastening elements 4, 5 can be combined with each other.

Claims

[1] Fastening arrangement (10) for fastening at least one bumper component (3) to at least one vehicle body component (2), wherein at least one body component-side magnetic fastening element (4) is formed or arranged on the at least one body component-side magnetic fastening element (4) and at least one bumper component-side magnetic fastening element (5) corresponding magnetically to the at least one body component-side magnetic fastening element (4) is formed or arranged on the at least one bumper component (3), wherein the body component-side magnetic fastening element (4) and the bumper component-side magnetic fastening element (5) are configured to interact magnetically with each other, forming a magnetic fastening of the bumper component (3) to the body component (2),wherein at least one body-side positioning element (7) is arranged or formed on the body component (2) and / or on at least one body-side magnetic element (9) arranged or formed on the body component (2), and wherein at least one corresponding bumper-side positioning element (8) is arranged or formed on the bumper component (3) or on at least one bumper-side magnetic element (6) arranged and / or formed on the bumper component (3), wherein the body-side positioning element (7) and the bumper-side positioning element (8) are configured to cooperate in forming a predefined positioning of the bumper component (3) on the body component (2), and the bumper component (3) in the state attached to the body component (2) bears at least sectionally directly against the body component (2),wherein the body-side positioning element (7) is designed as a positive locking element or at least comprises such an element and the bumper-side positioning element (8) is designed as a corresponding counter-positive locking element or at least comprises such an element, characterized by that the positive locking element and the counter-positive locking element are a circular bore-like recess or a cross- or pin-like projection. [2] Fastening arrangement according to claim 1, characterized by , that the or a bumper component-side magnetic fastening element (5) is formed by a magnetic or magnetizable material forming at least sectionally the bumper component (3) and / or by a magnetic or magnetizable magnetic element (6) formed or arranged on the bumper component (3). [3] Fastening arrangement according to claim 2, characterized by, that the magnetic or magnetizable magnetic element (6) is a magnetic or magnetizable component which is formed or arranged on, in or under a surface of the bumper component (3) which is exposed in the state not attached to the body component (2). [4] Fastening arrangement according to claim 2 or 3, characterized by , that the magnetic or magnetizable material forming the bumper component (3) at least in sections is a ferromagnetic material or at least comprises such a material and / or that the magnetic element (6) is formed at least in sections from a ferromagnetic material or at least comprises such a material. [5] Fastening arrangement according to one of the preceding claims, characterized by, that the or a body-component magnetic fastening element (4) is formed by a magnetic or magnetizable material forming at least section of the body component (2) and / or by a magnetic or magnetizable magnetic element (9) formed or arranged on the body component (2). [6] Fastening arrangement according to claim 5, characterized by , that the magnetic or magnetizable magnetic element (9) is a magnetic or magnetizable component which is formed or arranged on, in or under a surface of the body component (2) which is exposed in the state not attached to the bumper component (3). [7] Fastening arrangement according to claim 5 or 6, characterized by, that the magnetic or magnetizable material forming at least section by section of the body component (2) is a ferromagnetic material or at least comprises such a material and / or that the magnetic element (9) is formed at least section by a ferromagnetic material or at least comprises such a material. [8] Fastening arrangement according to any one of claims 2 to 7, characterized by , that the magnetic or magnetizable magnetic element (9) is plate-shaped. [9] Motor vehicle (1) comprising a fastening arrangement (10) according to one of the preceding claims, wherein the bumper component (3) is attached to the body component (2) by means of the fastening arrangement (10).

Images