DE10341981B4 - Device for providing a releasable attachment of a first component to a second component - Google Patents

Abstract

Fastening device for providing a detachable fastening of a first component (3) to a second component (25) which can be used universally and consists of a first fastening module (1) and a second fastening module (2), wherein
The first fastening module (1) has two largely anchor-shaped fastening elements (11, 13),
- One of the fastening elements (11, 13) relief posts (14) for receiving transverse forces, wherein the relief supports (14) are aligned substantially perpendicular to the orientation of the armature-shaped fastening element (11, 13), and
- The second mounting module (2) has a frame (21), wherein within the frame (21) grooves (27) for receiving the relief supports (14) are provided.

Description

technical area

The The invention relates to a device for providing a releasable attachment a first component on a second component.

background the invention

Cowlings, usually as flat plastic parts are formed, for different purposes on the outside attached to the body of motor vehicles. Such trim parts act, for example, in the form of shock absorbers or trim dividers protective or as so-called spoilers to reduce air resistance.

cowlings can size body surfaces cover so that one secure attachment is necessary. Furthermore, it is necessary to attach the trim parts to the body so that a later release, for example during a workshop visit, possible is, without damaging the body or the trim part.

Secure attachment between connecting parts and body surfaces is provided by suitable fastening means. Such Befestigungsein direction is for example in the DE 39 23 444 C2 described. The described fastening device, which may have one or more components, is fastened both to the trim part and to the body surface. In order for such an attachment to be non-positive and / or form-fitting, the fastening device must, however, be adapted both in terms of its structural design to the formation of the trim part and the body surface.

The publication EP 672 836 A1 refers to a fastening device between a body part of a motor vehicle and a wall panel with a plug element having two insertable into an opening of a carrier, opposite resilient mounting arms, a circumferential flange-like sealing lip and a top lip arranged above the sealing member and a plate holding bushing element , In a central opening of the Bucheselementes the head part of the plug element is inserted. The head part of the plug element is designed as a cylinder and provided on the outer circumference with a plurality of vertically spaced-apart retaining ribs. The central opening of the socket element has at least one retaining ring, behind which at least one of the retaining ribs of the head part of the plug element is embedded.

From the publication DE 692 20 977 T2 a device for attachment of trim to vehicle bodies is known. This device comprises a fastening module, which has two largely anchor-shaped fastening elements.

Summary the invention

The inventive device to provide a detachable Attachment of a first component to a second component is universal can be used and has a first attachment module and a second Mounting module on, while the attachment is defined by a Separation force nondestructive solvable. It is intended that the first mounting module two largely anchor-shaped fasteners having. One of the fasteners has relief posts for recording of lateral forces on, with the relief posts aligned substantially perpendicular to the orientation of the anchor-shaped fastener are. The second mounting module has a frame, wherein provided within the frame grooves for receiving the relief posts are.

Of Further, it is preferably provided that at least one fastening element in providing the detachable Attachment at least partially, in particular plastically or elastically, is deformable. The separation force, especially its concrete quantitative Size, is by the formation of at least one fastener or an interaction between at least one fastener on the part of the first fastening module and at least one fastening element on the side of the second fastening module determined. The size of the separation force can also influenced by it be, to what extent at least one such fastener plastic or elastic, z. B. deformable in providing and / or solving the attachment is.

Because of its universal design, the device according to the invention can be regarded as a significant improvement of conventional repeating parts, as they are generally used. It should always be considered that conventional repeating parts, due to the technical conditions are not diverse, but only to provide an attachment between a first concrete component and a second concrete component can be used. Due to the structural nature of the device, it is functionally versatile, that is to say for providing detachable attachments between differently designed first components and differently designed components used by a respective training to each other to be fastened components.

Standard functions such as. anchoring with a trained as a body part of a vehicle Component, can Accordingly, by means of the device according to the invention largely independently be met by the training of the body part. Thus results as a further advantage of the invention, that due to the universal Formation of the device according to the invention its formation compared to complicated designed fasteners, as they are usually used is simplified.

With the device according to the invention to provide a detachable Fastening between components becomes a standard for fulfilling this purpose Combination piece available posed. One might be but not necessarily resulting in additional effort during assembly by the considerably simplified demolding of the device or one or more in particular two fastening modules, from which the device is made up for. The design of the Device or at least one of the mounting modules is on, through Testing secured functions for comparable fasteners each appropriately designed.

lower as well as bigger differences in the execution in different applications, e.g. in the attachment of Rammschutzleisten or side rail panels on body parts can due to the advantageous embodiment of the device according to the invention to provide a detachable Attachment are largely compensated. As a material can plastic be used.

Further advantageous embodiments will become apparent from the dependent claims.

The use according to the invention a device serves a releasable Attachment between a first component and a second component, being a non-destructive release force Solve the releasable Fixing is defined. In a particularly advantageous embodiment the use according to the invention it is envisaged that both the first component and the second component designed as desired could be, or is provided that the Device independent may be formed by the formation of the components.

by virtue of These features, the device according to the invention is universally applicable. This has the advantage of being different trained first and second components only one, as a combination part trained facility needed is. For example, when manufacturing in larger quantities may be to provide more or less strongly differently trained first and / or second components always one and the same device for the provision the detachable Connection between the first and the second component can be used. Thus, the structurally provided separation force, by their application the two components are detachable from each other, regardless of the design of the components in a particular application largely same.

Summary the invention

The Invention is based on an embodiment schematically shown in the drawing and is below under Referring to the drawings described in detail.

1 shows a preferred embodiment of the device according to the invention in a perspective, schematic view.

2 shows a preferred embodiment of the device according to the invention in a schematic sectional view.

3 shows a preferred embodiment of the device according to the invention in a schematic sectional view.

4 shows a detail of a preferred embodiment of the device according to the invention in a schematic sectional view.

5 shows a preferred embodiment of a fastening module according to the invention in a perspective schematic view.

6 shows a preferred embodiment of a fastening module according to the invention in a perspective schematic view.

detailed description

1 shows a preferred embodiment of the device according to the invention for providing a releasable attachment between two components 3 . 25 , Here, the device consists of two mounting modules 1 . 2 , Here is the first attachment module 1 , Also base or base, via a, designed as an anchor foot fastener 11 on a first component designed as a body part of a vehicle 3 locked. The first mounting module 1 is formed substantially symmetrical relative to a median plane and thus has at two ends, in this particular embodiment, each anchor-shaped attachment elements 11 . 13 on. That of the first component 3 remote from the second end of the first mounting module 1 is in a paßförmigen recording of a second mounting module 2 added. This mounting module 2 is on a second, for example, as a trim part of a vehicle formed component 25 arranged or attached. The second, as a holding module designed as a top part second component 25 , trained mounting module 2 has a largely rectangular shaped frame 21 out. Within this frame, the second end of the first mounting module is fitted in a receptacle 26 added.

The first attachment module may be with one in the direction of the first component 3 (Body of the vehicle) aligned end, designed as Verrastmodul fastener, in particular with an anchor foot 11 for round or ekkig formed sheet metal apertures for impressions, especially with runners 12 be equipped for sliding handles. A second end of the first mounting module 1 is with the second component 2 connected. This second end has a snap connection 13 with relief posts 14 for absorbing lateral forces. That as a snap connection 13 trained substantially anchor-shaped fastener dives into the frame 21 of the second attachment module 2 on and locked in the tray designed as a recording 26 of the second component. The separation force according to the invention is characterized by mutual arrangement or training of an inclined step 22 with a Durchtrittsmaß 24 trained, an angle 23 having fastening element determined. In this case, the entire device by the in the first mounting module in approximately centrally disposed ribs 15 supported. In this way, the device in any product-related, variably formed second components 25 to get integrated.

By means of the universally usable first mounting module 1 (Base part, lower part) is in the second attachment module 2 (Holding module), which at the upper part 25 is arranged locked. In this case, the second component 25 (Upper part) always be the same in principle. However, the inventive device for providing a releasable attachment is also independent of the design or shaping of the sometimes variably designed second component 25 , So regardless of the particular application, can be used.

The two mounting modules 1 . 2 are produced by means of demoulding simple tools and thus preassembled cost. According to the invention thus advantageously functions of the mounting modules 1 . 2 , which require, for example, undercuts or complicated recesses on the two mounting modules 1 . 2 distributed. Thus, in the simplest way demoulding mounting modules 1 . 2 provided, which are summarized cheaper than complex components produced by expensive tools produced.

2 shows a schematic sectional view of the device according to the invention. In this case, the first attachment module 1 two largely anchor-shaped fastening elements both in an upper and in a lower end. These include on the one hand snap connections 13 and on the other hand anchor feet 11 , The middle of the first fastening module has pointed ribs 15 , an edition 16 as well as a central support 17 on. The anchor feet 11 latch on skids 12 within an opening of a first component designed as a body part 3 , It is provided that the edition 16 also on the typically made of sheet metal body part or first component 3 comes into contact.

The second component 2 has steps as individual fasteners 22 , Angle 23 , Passage dimensions 24 as well as recesses 27 for the anchor feet 11 on. As already from the 1 visible, comes the snap connection 13 in the area of the oblique step 22 with a Durchtrittsmaß 24 at the angle 23 engaged. To simplify the assembly, the anchor feet 11 or the snap connections 13 plastically and / or elastically deformable. This is in 2 by the different degrees of inclination of the fasteners left side or right side at the first fastening supply module 1 clarified. According to the invention, the first attachment module 1 in a recording 26 an arbitrarily formed second fastening module 2 fixable. Due to the design according to the invention, for example, a separation force of at least 100 N to a maximum of 250 N can be provided. In a further advantageous embodiment, it can be provided here that the entire device according to the invention can be dismantled without destruction, for example, only with a suitable aid.

3 shows the inventive device for providing a releasable attachment in a compared to the figure 2 rotated by 90 ° perspective. The first mounting module 1 is above the requirements 16 on an opening of the first component 3 on. By means of central supports 17 Furthermore, a mating connection between the first mounting module and the first component is realized. Thus, the first attachment module in a lower portion over the pads 16 on the top and the anchor feet 11 at the bottom in an opening of the first component 3 locked.

4 shows one in a shot 26 a second fastening module 2 received upper portion of a first mounting module 1 with the same fasteners 13 . 22 . 23 . 24 as described in the preceding figures. Here are the mounting modules 1 . 2 Compared to the above-described mounting modules only minor structural modifications in various details.

5 shows the sake of clarity, a first mounting module 1 independent of a second mounting module in perspective view. In this illustration, in particular, the advantageous structural design of this universally applicable mounting module 1 to recognize. The first mounting module 1 has snap connections in a top-side section 13 and in a lower area anchor feet 11 on. Due to these fasteners 11 . 13 is the mounting module 1 at two ends largely anchor-shaped and thus symmetrical. To provide a further interaction on the second attachment module or on the first component, the first attachment module has 1 also relief posts 14 as well as ribs 15 on. In addition, the anchor feet 11 with runners 12 fitted.

In the 6 is a second mounting module 2 shown in perspective view. Here, the second attachment module 2 a frame 21 on, an opening or a receptacle 26 for receiving at least one fastening element of a first fastening module. In this case, the second attachment module 2 a holding module that has a sloping step 22 , an angle 23 as well as a Durchtrittsmaß 24 includes. As already shown in the above-described drawings, in this retaining module, fastening elements of a first fastening module, which are designed to be largely complementary, engage in a peg-shaped manner. A groove 27 within the frame 21 further serves to receive a relief support on the first mounting module.

The entire inventive device for Provision of a detachable Attachment of a first component to a second component is thus from a first and a second mounting module. there may be provided in particular that the second, in particular frame-shaped Mounting module on the second, for example, designed as a shell Pre-assembled component is deliverable. When disassembling the first Component of the two th component remains the first mounting module as a base on a particular designed as a body part of a vehicle locked first mounting module. It can be provided that the Force for a removal of the second component less than a separation force to Provision of disassembly of the first component is. there it is envisaged that the dismantling done by means of a suitable tool. Overall, it should be noted that this first component by means of fastening elements acting as anchor feet, rockers and / or pads may be formed within an opening of the first component is braced. According to an alternative variant The invention can be provided that between the individual components without the possibility dismantling provide a permanent locking is given.

The inventive device to provide a detachable Attachment including the at least one mounting module is universally applicable. This is an advantage as with a single device now different components attached to each other or each other can be. It is not according to the invention now more necessary, different components with correspondingly different trained Fastening devices that are only attached to a concrete attachment customized are to attach to or with each other. For example, in one large-scale production Of motor vehicles, the advantages of the invention make universal usable attachment noticeable. Is in a case a first Paneling on a body and in another case attach second trim panel to a body of identical design This can be done despite or independently of a different embodiment of the first and second Paneling done with the same device according to the invention.

Claims (7)

Fastening device for providing a detachable fastening of a first component ( 3 ) on a second component ( 25 ), which can be used universally and from a first mounting module ( 1 ) and a second mounting module ( 2 ), wherein - the first mounting module ( 1 ) two largely anchor-shaped fastening elements ( 11 . 13 ), - one of the fastening elements ( 11 . 13 ) Relief supports ( 14 ) for absorbing transverse forces, wherein the relief supports ( 14 ) substantially perpendicular to the orientation of the anchor-shaped fastener ( 11 . 13 ), and - the second mounting module ( 2 ) a frame ( 21 ), within the framework ( 21 ) Grooves ( 27 ) for receiving the relief supports ( 14 ) are provided. Fastening device according to claim 1, wherein at least one fastening element ( 11 . 13 ) at least one fastening module ( 1 . 2 ) in providing the releasable attachment at least is partially deformable. Fastening device according to one of claims 1 or 2, wherein the separation force by the formation of at least one of at least two fastening elements ( 11 . 13 ), one side of the first mounting module ( 1 ) and one side of the second mounting module ( 2 ), which intertwine, is determined. Fastening device according to one of the preceding claims, wherein a first fastening module directly to the first component ( 3 ) engages. Fastening device according to one of the preceding claims, in which the second fastening module ( 2 ) an internally arranged receptacle ( 26 ) for at least one fastener ( 13 ) of the first attachment module. Fastening device according to one of the preceding claims, in which a fastening module ( 1 ) indirectly on the second component ( 25 ) by latching in the second mounting module ( 2 ) is attached. Fastening device according to one of the preceding claims, which is provided for the provision of a releasable connection between a component designed as a karate part of a motor vehicle ( 3 ) and formed as a trim part ( 25 ) by means of a fastening module designed as a base part or latching module ( 1 ) and by means of a mounting module designed as a holding module ( 2 ) is trained.