DE102009032594A1 - Load-carrying device for e.g. passenger car, to carry e.g. instance bicycle, has load-carrying unit arranged over lateral guiding units at structural components of vehicle body, where unit is moved in vehicle's longitudinal direction - Google Patents

Abstract

The device (10) has a load-carrying unit moved in vehicle's longitudinal direction in relation to structural components (12, 14) of a vehicle body. The load-carrying unit is adjustably arranged over lateral guiding unit laterally at the structural components. The lateral guiding units are arranged at inner sides and outer sides of two structural components that run parallel to each other in vehicle's longitudinal direction, where the inner sides face each other and the outer sides are pointed away from each other.

Description

The The present invention relates to a load carrier device for a motor vehicle, in particular for the extendable arrangement at the rear of a passenger car.

such Carrying means for motor vehicles are insbesondre intended to the loading capacity of a motor vehicle to enlarge, for example, particularly bulky Items, such as bicycles, which anyway hardly find space in the interior of a vehicle, outside to attach to the vehicle. Such load carriers are for example, designed to take off from the rear of the vehicle.

A generic load carrier is for example from the DE 102 52 132 A1 known. This has a support frame, which is guided on telescopic rails through the bumper of a motor vehicle. The telescopic rails are fastened in the underbody of the motor vehicle to the body. For this purpose, the subfloor must have sufficient structural rigidity or be reinforced or stiffened separately by suitable means so that a sufficiently secure fastening of the supporting frame to the vehicle body can be ensured.

Such structurally reinforced or stiffened formations of a Underfloor, however, are in terms of weight gain of the vehicle and in terms of a more complex and cost-intensive production and mounting the subfloor disadvantage.

Furthermore, from the DE 10 2007 062 224 A1 a load carrier system for motor vehicles is known, which has a body-side support frame and supported on the support frame load carrier. A part of a frame structure of the motor vehicle is designed as a support frame and the load carrier is slidably guided on this support frame.

For the displaceable mounting of the load carrier on the motor vehicle is thus to provide a body-side support frame, which contributes to the increase in the total vehicle weight and the availability of free space in the underfloor area of the Limits vehicle.

task It is therefore an object of the present invention, in terms of flexibility, Weight and handling improved load carrier device for To make available. This should be easy to assemble and, for example, a simplified access to one below enable the spare floor of the vehicle to be loaded.

Besides It is the object of the present invention, a respect to their Space requirements improved and optimized in terms of space utilization load carrier device to provide.

The The problem underlying the invention is achieved by means of a load carrier device according to independent claim 1 and with a Motor vehicle solved according to claim 15. Separate advantageous embodiments of the invention are in the dependent Claims specified.

The Load carrier device according to the invention is for a motor vehicle, in particular for a passenger car (Car) provided. It is preferably at the rear of a motor vehicle arranged and puts to transfer to her extended use position increased load capacity available for the vehicle. The load carrier device has for this purpose at least one load carrier unit which at least opposite a supporting structural component of a Vehicle body displaceable in the vehicle longitudinal direction on the structural component, preferably on a longitudinal member or a longitudinal frame of the vehicle body displaced is attached.

For the load carrier device according to the invention In this case, provision is made in particular for the load carrier unit to be transferred over - in Vehicle transverse direction seen - lateral guide means is arranged laterally displaceable on the structural component. In difference to the cited prior art, which for example provides a U-shaped support frame within rear side rails slidably receive a vehicle, the invention by a lateral arrangement of structural components a space-optimized Arrangement available.

By the lateral arrangement of guide means on the supporting That is, the structural component of the vehicle body can be achieved be that the guide means in terms of their dimensions, particular independent in terms of their cross-section be formed by the cross-sectional geometry of the structural component can.

The Geometry and design of the guide means may extent from the geometric design of the supporting structural components be decoupled. Such a connection concept goes with a increased flexibility as well as an optimized and improved utilization of available in the vehicle associated with space.

According to a first advantageous embodiment of the invention, it is provided that on the vehicle side at least two substantially parallel zueinan the longitudinally extending and in the vehicle longitudinal structural components, such as rear side members of the vehicle frame are provided, wherein the lateral guide means of the load carrier unit are arranged on mutually facing inner sides and / or facing away from each other outer sides of the structural components.

So is provided in particular that the load carrier unit with at least two lateral guide means either on the mutually facing inner sides of the longitudinal members the vehicle body, or at the facing away from each other Outer sides slidable on the corresponding structural components are arranged. For example, such arrangements allow the load carrier unit between the two structural components slidably arrange, or by an outside Guide or by appropriate arrangement of the guide means a load carrier unit the space between the Structural components, such as for the inclusion of further functional units to release.

To a particularly advantageous embodiment of the invention the load carrier means a first and a second Load carrier unit, each with lateral guide means on opposite sides of the at least one Structural component are arranged. Through an inside and outside Connection of management means to the typically as Longitudinal beam formed structural components of Body can thus possibly two decoupled from each other, each extendable in the vehicle longitudinal direction load carrier units be slidably attached to the vehicle body.

The first and the second load carrier unit are each about first and second guide means preferably at opposite Pages, in particular inner and outer sides of the structural component attachable to this. In particular, it is provided that the first load carrier unit and their operatively connected thereto standing first guide means facing away from each other Outer sides of the two in the vehicle transverse direction from each other spaced apart, substantially parallel and in the vehicle longitudinal direction extending structural components are arranged.

Accordingly or corresponding thereto, according to a further embodiment be provided that the with the second load carrier unit operatively connected second guide means to each other facing inner sides of the two in the vehicle transverse direction from each other spaced apart, substantially parallel to each other and in the vehicle longitudinal direction extending structural components are arranged. Thereby, that the first and second guide means arranged and fastened on different sides of the structural components may be in operative association with each of them first and second load carrier units in principle independently and separately from each other optionally in a solid Used position or transferred to a home or rest position become.

The Structural components are according to a further advantageous embodiment the invention as a rear side member of a support structure of the motor vehicle or as a rear side member a vehicle frame formed. In that regard, the load carrier units are on an already present on the vehicle body supporting structural component fixable. On separate structural stiffening mounting frame for the load carrier units, which according to the state The technology, for example, reinforce a floor panel of the vehicle or are arranged in the floor panel area, can according to the invention be omitted in an advantageous manner.

To a development of the invention is for the first load carrier unit further provided that it has two lateral legs, which are interconnected via a cross member are. The two lateral legs are preferably over the outer, first guide means arranged on the structural component and with the help of extendable or telescopically designed Guide means slidably held on the structural component.

at an arrangement of the load carrier device in the rear area of the vehicle is provided in particular that the cross member the rear end portions of the lateral in the direction of travel Leg of the load carrier unit rigidly interconnected. The accordingly formed, the lateral legs and the Cross member comprehensive load carrier unit points in this respect an approximately U-like shape.

Of the the two legs connecting with each other in the vehicle transverse direction Cross member can directly as load carrier, about bulky for receiving bicycles or the like Act on objects.

To a further embodiment of the invention is provided that the second, inner load carrier unit in their Basic or resting position almost completely within one of lateral legs and cross members of the first load carrier unit formed structure comes to rest. Here is the first load carrier unit an outer, the second load carrier unit in its basic position comprehensive structure.

If both load carrier units overlapping with respect to the vehicle's vertical axis For example, the inner, slidable in the manner of a drawer between the structural components held second load carrier unit approximately from the outer first Load carrier unit in its rest or starting position be arrested. The extending in the vehicle transverse direction Cross member of the first or outer load carrier unit prevents, for example, a transfer of the second Load carrier unit in its extended position of use.

at a further, alternative embodiment of the invention is provided, that the first and the second load carrier unit at least Area wise, based on the vehicle's vertical axis, in different Layers arranged and accordingly also independently of each other are formed displaceable in the vehicle longitudinal direction. at In such a configuration, for example, the second, internal load carrier unit independent of the position and position of the outer, first load carrier unit can be moved freely between the normal and the inoperative position.

To a further advantageous aspect of the invention, the second Load carrier unit between the assigned Guide means extending surface section on. It can be provided in particular that the second load carrier unit is designed in the manner of a drawer or a drawer, wherein extending between the guide means Area section seen in the vehicle longitudinal direction, one of the longitudinal extension of the guide comparable extension can have.

From Advantage may be provided according to a development that the in the vehicle longitudinal direction extendable surface section or a body arranged between the guide means the inner second load carrier unit at least has a recess for receiving objects. Preferably, this recess is as Ersatzradmulde for receiving a spare wheel or for receiving tool formed.

Prefers is the surface portion of the second load carrier arranged below the floor panel of the vehicle, so that the loading floor be well educated and well-educated and largely flat can. In particular, the decoupled and independent Actuation of first and second load carrier unit allows a particularly simple and easy accessibility one received in the Ersatzradmulde the second load carrier Spare wheel or corresponding tool.

The Spare wheel or the tool thus remains independent of State of charge of the vehicle at any time in a simple manner accessible.

The Guiding means, which extendable to the first and second load carrier unit are provided according to a further embodiment of the invention as pairs with each other engaged profiled guide rails formed be. In this case, each pair of guide rails each a stationary on the structural component arranged guide rail and one slidably engaged with and with first or second load carrier unit connected slide on. Slide and guide rail can with a corresponding Sliding, roller or needle guide provided and accordingly be formed displaceable to each other.

Also is provided according to a further embodiment of the invention, that pairs of guide and slide arresting means have, which is a pulling out of the slide rail from the guide rail and thus a detachment of the first or second load carrier unit prevent the structural component of the motor vehicle.

To a further preferred embodiment of the invention is provided that the first load carrier unit by a in a In the direction of travel behind arranged bumper provided through opening can be passed or with a relative to the vehicle body displaced mounted bumper is firmly connected.

All in all can by the lateral and two-sided arrangement of the load carrier units on the structural component an additional stiffening and reinforcement the entire rear structure or the rear frame of the motor vehicle be achieved.

Of Furthermore, it is possible according to the invention, the entire To manufacture the rear structure of the motor vehicle prefabricated, so that with fastening the load-bearing structural components, such as the side members on the rest of the vehicle body or on the frame structure of the vehicle, the at least one load carrier unit already Can be slidably mounted on the vehicle. A separate assembly process the load carrier unit on the motor vehicle can therefore in advantageously omitted.

Other objects and advantageous features and features of the invention will become apparent from the following description of exemplary embodiments with reference to the drawings. All the features described in the text as well as in the individual figures represented in a standalone position as well as in any meaningful combination constitute the subject matter of the present invention the invention.

It demonstrate:

1 a schematic representation of the load carrier device in the basic position seen from the vehicle underside ago;

2 a representation according to 1 with an outer load carrier unit transferred to its position of use,

3 a schematic representation with befindlicher in the normal position outer and in use position inner load carrier unit and

4 a schematic cross-sectional view of the load carrier device.

In the 1 to 3 is a load carrier device 10 shown, which is arranged on a rear, rear-side rear body structure of a motor vehicle. In this area, the motor vehicle has two longitudinal members which are spaced apart from one another in the vehicle transverse direction and run essentially parallel to one another and in the vehicle longitudinal direction 12 . 14 on. The side members 12 . 14 are below an underbody structure 7 or arranged below a floor panel of the vehicle and extend to the rear, in the 1 to 3 up, almost to an outside bumper structure of the vehicle zoom.

The load carrier device 10 is in a behind a rear axle 8th lying region of the rear frame structure of the motor vehicle. Left and right of the rear axle 8th are in the 1 to 3 each rear wheels 9 indicated.

The load carrier device 10 has in the illustrated embodiments according to the 1 to 4 two load carrier units 15 . 22 on, wherein the outer, first load carrier unit 15 by means of two lateral legs 16 . 18 on the outside of the side members 12 . 14 slidably arranged. Corresponding to this is the second load carrier unit 22 between the side members 12 . 14 arranged horizontally. The second load carrier unit, which may be designed, for example, as a drawer-like drawer, fills in the present embodiment, almost the entire surface between the side rails 12 . 14 and the rear axle 8th out.

As in the 1 to 3 indicated, the second, inner load carrier unit has 22 a surface section 21 in which downwardly projecting receptacles or depressions 44 . 46 can be incorporated. The circular depression 44 can act as Ersatzradmulde while the further depression 46 may preferably be provided for receiving other vehicle accessories, such as bandages, safety vest or warning triangle.

In the embodiment shown, the surface section comes 21 the internal load carrier unit 22 below the two lateral legs 16 . 18 rigidly interconnecting cross member 20 the first load carrier unit 15 to lie. In this way, the inner second load carrier unit 22 regardless of the position of the first load carrier unit 15 be transferred to their position of use, as in 3 is shown by way of example.

In the configuration according to 2 is the second load carrier unit 22 while in their initial position, while the first, outer load carrier unit 15 is in its position of use. In this position, a possibly hinged or pivotally protrudes on the lateral legs 16 . 18 arranged cross member 20 from the rear of the vehicle body so that particularly bulky items, such as bicycles, can be positioned and secured to the load carrier.

In 4 is the load carrier device 10 shown in cross section in a cross-sectional plane formed by the vehicle vertical axis and vehicle transverse axis. It can be clearly seen that the second, inner load carrier unit 22 one with lateral slide rails 26 . 30 connected patch 21 or a corresponding cross strut 21 having. The two lateral sliders or slide rails 26 . 30 are sliding in designated guide rails 24 . 28 held. The guide rails 24 . 28 are on the inside laterally on the side rail shown in cross-section 12 . 14 arranged.

Equally and correspondingly with the slidable arrangement of the first, outer load carrier unit 15 , Their lateral thighs 16 . 18 are over crossbars 40 . 34 also with slide rails 42 . 36 connected, with the slide rails 42 . 36 in associated guide rails 32 . 38 are guided displaceably. Again, the two guide rails 32 . 38 , which on the outside on opposite outer sides of the side members 12 . 14 to come to rest, on the respective side members 12 . 14 attached.

LIST OF REFERENCE NUMBERS

7

underbody

8th

rear axle

9

rear wheel

10

Load carrying device

12

longitudinal beams

14

longitudinal beams

15

Load carrying unit

16

lateral leg

18

lateral leg

20

crossbeam

22

Load carrying unit

24

guide rail

26

slide

28

guide rail

30

slide

32

guide rail

34

connecting web

36

slide

38

guide rail

40

connecting web

42

slide

44

spare wheel well

46

receiving recess

QUOTES INCLUDE IN THE DESCRIPTION

This list The documents listed by the applicant have been automated generated and is solely for better information recorded by the reader. The list is not part of the German Patent or utility model application. The DPMA takes over no liability for any errors or omissions.

Cited patent literature

• - DE 10252132 A1 [0003]
• - DE 102007062224 A1 [0005]

Claims (15)

Load carrier device for a motor vehicle with at least one opposite at least one supporting structural component ( 12 . 14 ) a vehicle body in the vehicle longitudinal direction movable load carrier unit ( 15 . 22 ), characterized in that the load carrier unit ( 15 . 22 ) via lateral guide means ( 24 . 26 . 28 . 30 . 32 . 36 . 38 . 42 ) laterally on the structural component ( 12 . 14 ) is arranged displaceably. A load carrier device according to claim 1, wherein the lateral guide means ( 24 . 26 . 28 . 30 . 32 . 36 . 38 . 42 ) on mutually facing inner sides and / or on mutually facing outer sides of two substantially parallel to each other and extending in the vehicle longitudinal direction structural components ( 12 . 14 ) are arranged. Load carrier device according to one of the preceding claims, wherein a first load carrier unit ( 15 ) and a second load carrier unit ( 22 ) are provided, each with lateral guide means ( 24 . 26 . 28 . 30 . 32 . 36 . 38 . 42 ) on mutually opposite sides of the at least one structural component ( 12 . 14 ) are arranged. Load carrier device according to one of the preceding claims, wherein with the first load carrier unit ( 15 ) in operative connection with first guide means ( 32 . 36 . 38 . 42 ) on mutually remote outer sides of two vehicle transverse direction spaced apart and arranged substantially in the vehicle longitudinal direction extending structural components ( 12 . 14 ) are arranged. Load carrier device according to one of the preceding claims, wherein with the second load carrier unit ( 22 ) operatively connected to second guide means ( 24 . 26 . 28 . 30 ) on mutually facing inner sides of the two in the vehicle transverse direction spaced apart and substantially in the vehicle longitudinal direction extending structural components ( 12 . 14 ) are arranged. Load carrier device according to one of the preceding claims, wherein two load-bearing structural components formed as rear side members of a support structure of the motor vehicle ( 12 . 14 ) are provided. Load carrier device according to one of the preceding claims 3 to 6, wherein the first load carrier unit ( 15 ) via two lateral legs ( 16 . 18 ), which via a cross member ( 20 ) are connected to each other, on which at least one structural component ( 12 . 14 ) is arranged. A load carrier device according to claim 7, wherein the cross member ( 20 ) lying in the direction of travel end portions of the lateral limbs ( 16 . 18 ) rigidly connects. A load carrier device according to claim 3 to 8, wherein the second, inner load carrier unit ( 22 ) in a home position completely within one of lateral legs ( 16 . 18 ) and cross beams ( 20 ) of the first load carrier unit ( 15 ) formed structure. A load carrier device according to any of the preceding claims 3 to 9, wherein the first and second load carrier units (16) 15 . 22 ) are arranged in different planes relative to the vehicle vertical axis and are displaceable independently of one another in the vehicle longitudinal direction. Load carrier device according to one of the preceding claims 3 to 10, wherein the second load carrier unit ( 22 ) one between the associated guide means ( 24 . 26 . 28 . 30 ) extending surface portion ( 21 ) having. Load carrier device according to claim 11, wherein the vehicle longitudinally extendable surface portion ( 21 ) at least one depression ( 44 ) for receiving objects. Load carrier device according to one of the preceding claims, wherein the guide means ( 24 . 26 . 28 . 30 . 32 . 36 . 38 . 42 ) are formed as pairs of profiled guide rails engaged with each other, each pair being provided one on the structural component ( 12 . 14 ) fixedly arranged guide rail ( 24 . 28 . 32 . 38 ) and one with this slidably engaged and with first or second load carrier unit ( 15 . 22 ) connected slide rail ( 26 . 30 . 36 . 42 ) having. Load carrier device according to one of the preceding claims, wherein the first load carrier unit ( 15 ) is guided through a provided in a direction of travel behind bumper arranged passage opening or connected to a relative to the vehicle body slidably mounted bumper. Motor vehicle with a load carrier device according to one of the preceding claims.

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