Height- and length-adjustable loading floor device with usable additional volume and motor vehicle with such a loading floor device
Patent Information
- Authority / Receiving Office
- DE · DE
- Patent Type
- Patents
- Current Assignee / Owner
- AUDI AG
- Filing Date
- 2025-05-01
- Publication Date
- 2026-06-25
AI Technical Summary
Existing loading floor devices in motor vehicles are ergonomically disadvantageous for heavy cargo handling and lack easy access to additional storage compartments when the load floor is occupied.
A loading floor device with a plate-like element and adjustment mechanism allowing vertical and longitudinal movement, featuring an additional storage compartment that can be moved into a loading position, a drawer that protrudes beyond the floor when needed, and a cover section for access, along with power-assisted movement options.
Provides ergonomic cargo handling and easy access to additional storage space even when the floor is loaded, with the ability to create a seating option and secure storage when not in use.
Smart Images

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Abstract
Description
The invention relates to a loading floor device for a motor vehicle with a plate-like loading floor element, wherein the loading floor element has a loading floor surface and a loading floor contour surrounding the loading floor surface; an adjustment mechanism that is coupled to the loading floor element and is configured to move the loading floor element from a driving position to a loading position and vice versa, wherein the loading floor element is movable in the vertical and longitudinal directions by means of the adjustment mechanism. Such a loading floor device is known, for example, from DE 10 2007 044 910 A1. Reference is also made to DE 10 2022 108 704 A1, DE 10 2024 004 078 B3, DE 10 2023 109 246 A1 and WO 1989 / 007569 A1. Movable load floor devices are primarily intended to facilitate loading and unloading for an operator. This often prevents heavy cargo, such as a packed suitcase or a crate of beverage bottles, from having to be moved or lifted from the rear loading edge of a vehicle towards the rear seats. This is ergonomically disadvantageous and can lead to strain on the operator's back. Furthermore, the additional storage compartments typically located in a tray-like recess beneath the load floor device are difficult to access and only usable when the load floor is empty. The object underlying the invention is seen as being to provide a loading floor device in which the advantages of mobility can be combined with the use of additional storage space. This problem is solved by a loading platform device and a motor vehicle with the features of the respective independent patent claim. Advantageous embodiments with expedient further developments are specified in the dependent patent claims. A loading floor device for a motor vehicle is proposed, comprising a plate-like loading floor element. The loading floor element has a loading surface and a loading floor contour surrounding the loading surface. An adjustment mechanism is coupled to the loading floor element and is configured to move the loading floor element from a driving position to a loading position and vice versa. The loading floor element is movable in both the vertical and longitudinal directions by means of the adjustment mechanism. The loading floor device also includes at least one additional volume located within the loading floor contour below the loading surface, which is adjustable in both the vertical and longitudinal directions together with the loading floor element. This allows for additional storage space, which can also be referred to as a storage compartment, to be provided in the extra volume, which is more easily accessible because it can be moved into the loading position at the same time as the loading floor element. The loading floor device can include an additional volume in the form of a drawer that is movable longitudinally relative to the loading floor element, such that it can be pulled out and, when at least partially extended, protrudes beyond the loading floor contour. This allows the additional volume to be used even when cargo is arranged on the loading floor element, because the drawer can be pulled out from underneath the loading floor element. In this design, the drawer can only be pulled out when the loading device is in the loading position. This ensures that the drawer is securely stowed beneath the loading floor element when the loading device is in the driving position, and in particular, that it is essentially immobilized beneath the loading floor element. The loading floor device may have an adjustment mechanism with loading floor rails along which the loading floor element is movable in the longitudinal direction. Furthermore, the adjustment mechanism may have a hinged height adjustment that is connected to the loading floor rails. The adjustment mechanism can include components that support or effect the movement of the loading platform element, in particular spring elements and / or at least one electric motor. This enables automated or at least power-assisted movement of the loading platform device, so that the loading platform device can be moved manually and / or automatically, especially when loaded. In the loading floor device, the loading floor element can have a movable cover section that at least partially covers the additional volume and is movable, in particular rotatable, from a closed to an open position and vice versa. In other words, the cover section forms a kind of loading floor flap that can be pivoted from bottom to top, so that the additional volume or storage space (storage compartment) is accessible from above. Access via a cover section is thus provided in both the driving position and the loading position of the loading floor device. In this context, it should be noted that a lid section can also be combined with a drawer as mentioned above. This makes it possible, for example, to provide access to the drawer by opening the lid section when the loading floor device is in the driving position. Furthermore, this allows the drawer to be pulled out from below the lid element when the loading floor device is in the loading position and loaded. The loading floor device can accommodate at least one seat cushion element within the additional volume, and a headrest element can be arranged on the lid section. In the closed position of the lid section, the headrest element is contained within the additional volume, and in the open position, the lid section serves as a backrest. This provides a seating option in the loading position, which can be used, for example, when an operator wishes to change clothing and / or shoes. Furthermore, a motor vehicle is proposed with a loading floor device located in a rear area of the vehicle, as described above. In the loading position, the loading floor element projects at least partially beyond a rear contour of the vehicle, in particular a rear bumper. In other words, in the loading position, the loading floor element and the additional volume (storage compartment or drawer) extend above the loading edge of the rear opening of the vehicle. In the vehicle, the drawer of the loading floor device can be recessed into a rear body area when in the driving position and covered by the loading floor element. This secures the drawer within the rear body area in the driving position, making it essentially immobile. The motor vehicle may also have a control unit designed to adjust a tailgate of the motor vehicle and / or the adjustment mechanism of the loading floor device at the request of an operator, in particular to open or close the tailgate and / or to move the loading floor device from the driving position to the loading position or vice versa. Further advantages and details of the invention will become apparent from the following description of embodiments with reference to the figures. Figure 1 shows a simplified and schematic view of a motor vehicle with a movable loading floor device; Figure 2, in sub-figures A) to C), shows a simplified and schematic sectional view, approximately corresponding to section line II-II of Figure 1, of a receiving space of a motor vehicle with an example of a height- and longitudinally adjustable loading floor device in various positions; Figure 3 shows a simplified and schematic sectional view of another example of a loading floor device in a receiving space; Figure 4, in sub-figures A) and B), shows a simplified and schematic sectional view of another example of a loading floor device in a receiving space; Figure 5 shows...5 in sub-figures A) and B) a simplified and schematic sectional view of another example of a loading floor device in a receiving space. Figure 1 shows a simplified and schematic representation of a motor vehicle 100. The motor vehicle has a movable loading floor device 10 in its interior 102, in particular in a receiving area 104 for transported goods (trunk). In connection with the motor vehicle 100, a control unit 106 and an optional multimedia system 108 are shown in a simplified and schematic manner. Furthermore, a vehicle key 110 and a mobile phone 112 are shown in Fig. 1 as symbolic images. Possible functions of the control unit 106, the multimedia system 108, the vehicle key 110, and the mobile phone 112 will be discussed in more detail later after the description of Fig. 2. The motor vehicle 100 is shown in Fig. 1 in a rear view, so that a tailgate 114 is visible. Furthermore, a loading sill section 116 is visible in the view of Fig. 1. In Fig. 2, a simplified and schematic sectional view of the motor vehicle 100 with its interior 102 and the receiving space 104 for transported goods is shown in the respective sub-figures A to C, approximately corresponding to a section line II-II of Fig. 1 . In Fig. 2, exemplary illustrations A to C show a vehicle roof 118 and the tailgate 114, with the tailgate 114 shown closed in A) and open in B and C). Furthermore, a rear seat assembly 120 is also illustrated by way of example in Fig. 2. As already mentioned, the motor vehicle 100 has a loading floor device 10, which is described in more detail below with reference to illustrations A) to C) of Fig. 2. The loading floor device 10 has a plate-like loading floor element 12, which has a loading floor surface 12f and a loading floor contour 12k surrounding the loading floor surface 12f. The loading floor contour 12k can also be referred to or understood as a surrounding loading floor edge, of which a rear edge section and a front edge section are visible in the selected sectional view. Furthermore, the loading floor device 10 has an adjustment mechanism 14, schematically indicated in Figures 2B and 2C, which is coupled to the loading floor element 12 and is configured to move the loading floor element 12 from a driving position FS, illustrated in Figure 2A, to a loading position BS, illustrated in Figure 2C, and vice versa. The loading floor element 12 is movable in the vertical direction Z and in the longitudinal direction X by means of the adjustment mechanism 14. The adjustment mechanism 14 is shown in dashed lines in Fig. 2, in particular because it is usually provided laterally on both sides of the loading floor element 12, which, however, lies outside the selected section plane of Fig. 2. The loading floor device 10 has at least one additional volume 20, which is arranged within the loading floor contour 12k below the loading floor surface 12f. From the combined view of illustrations 2A-C in Fig. 2, it can be seen that the additional volume 20, which can also be referred to as additional storage space or storage compartment, is adjustable or movable together with the loading floor element 12 in the vertical direction Z and the longitudinal direction X. Figures 2B and 2C show that the adjustment mechanism 14 has loading floor rails 14s along which the loading floor element 12 is movable in the longitudinal direction X. Furthermore, the adjustment mechanism 14 has a pivotally mounted height adjustment 14h, which is connected to the loading floor rails 14s. The adjustment mechanism 14 may include components that support or effect the movement of the loading floor element 12, in particular spring elements and / or at least one electric motor, which is not shown further in illustrations 2A-C, but is represented by the loading floor rails 14s or the height adjustment 14h. Figures 1 and 2 show an example of a loading floor device 10 arranged in a rear area or receiving space 104 of the motor vehicle 100, wherein the loading floor element 12 in the loading position BS (Fig. 2C) projects at least partially in the longitudinal direction X beyond a rear motor vehicle contour, in particular a rear bumper, which is illustrated or represented by the loading edge section 116. Starting from a driving position FS (Fig. 2A), in which the loading floor device 10 with additional volume 20 (storage space or compartment) is completely located within the interior 102 or the receiving area 104 of the vehicle 100, the loading floor device 10 can be adjusted, in particular raised, in the vertical direction Z (white contour arrow in Fig. 2B) during or after opening the tailgate 114, while still remaining completely within the receiving area 104 of the vehicle 100 (Fig. 2B). Finally, the loading floor device 10 can be moved into a loading position BS (Fig. 2C), whereby the loading floor element 12 (after being raised in the vertical direction Z) is moved rearward in the longitudinal direction X (white contour arrow in Fig. 2C), so that it is at least partially moved out of the interior 102 or the rear area 104 of the vehicle 100. Figure 3 shows an example in which the loading floor device 10 is also illustrated in the loading position. In this example, the loading floor device 10 has a drawer 20s arranged in the additional volume 20, which is movable in the longitudinal direction X relative to the loading floor element 12. As illustrated in Figure 3, the drawer 20s can be pulled out of the additional volume 20 (illustrated by a double arrow) and, in a partially extended state, protrudes beyond the loading floor contour 12k. The drawer 20s of the loading floor device 10 can be recessed in a rear body area 122 of the motor vehicle 100 in the driving position FS (Fig. 2A) and covered by the loading floor element 12. This is indicated in Fig. 2A by the drawer 20s illustrated with a dashed line. From the combined view of Fig. 2A and Fig. 3, it is evident that the drawer 20s can preferably only be pulled out of the loading floor device 10 or the additional volume 20 in the loading position BS. However, it is also conceivable that the drawer 20s can be pulled out in a state illustrated in Fig. 2B, i.e., when the loading floor device 10 has (only) been raised in the vertical direction Z, but has not (yet) been moved backwards in the longitudinal direction X. Figures 4A and 4B show an example in which the loading floor element 12 has a movable cover section 12d or is itself designed as a cover section 12d. The cover section at least partially covers the additional volume 20 (storage compartment or storage space). From the combined view of Figs. 4A and 4B, it can be seen that the lid section 12d can be opened in both the driving position FS (Fig. 4A) and the loading position BS (Fig. 4B), so that the additional volume 20 is accessible for depositing or removing cargo. The lid section 12d is movable from the open position shown in Figs. 4A and 4B to a closed position, which essentially corresponds to the representation shown in Fig. 2A. The lid section 12d is, in particular, rotatably mounted so that it can be pivoted upwards or downwards. Although in Figures 4A and 4B the entire loading floor element 12 is designed as a cover section 12d, it should be noted that only a part of the loading floor element 12 can also be designed as a cover section 12d. For example, a rear part of the loading floor element 12, which extends over approximately 30% to 70% of the total length of the loading floor element 12, can be designed as a movable cover section 12d, while the remaining (front) part of the loading floor element 12 remains fixed. Figures 5A and 5B show another example of the loading floor device 10, in which at least one seat cushion element 22 is arranged in the additional volume 20. A headrest element 24 is arranged on the loading floor element 12 or the lid section 12d. In the closed position of the lid section 21d, the headrest element 24 is received in the additional volume 20 (Figure 5A). In the open position, the lid section 12d serves as a backrest. This provides a simple way to create temporary seating in the rear of the motor vehicle 100. It is self-explanatory that the seat cushion element 22 and the head cushion element 24 arranged in the additional volume 20 are stowed or recessed in a driving position FS (see Fig. 2A) in the same or similar way as the drawer 20s illustrated by dashed lines. Finally, it should be noted that the control unit 106, illustrated only in Fig. 1, is designed to adjust the tailgate 114 of the motor vehicle 10 and / or the adjustment mechanism 14 of the loading floor device 10 at the request of an operator, in particular to open or close the tailgate 114 and / or to move the loading floor device 10 from the driving position FS to the loading position BS or vice versa. The operator can request this action using the multimedia system 108, the vehicle key 110, and / or the mobile phone 112. It is also possible, for example, to make a combined request so that when or after the tailgate 114 is opened, the loading floor device 10 is moved directly from the driving position FS to the loading position BS. Furthermore, it is also possible to request the opening or closing of the tailgate 114 alone, without moving the loading floor device 10 from the driving position FS. For example, if the loading floor device 10 is arranged in the loading position BS, a request “Close the tailgate 114” can also include moving the loading floor device 10 into the driving position FS or at least issue a visual and / or acoustic warning to the operator that the tailgate 114 cannot be closed because the loading floor device 10 is still arranged in the loading position BS. The position of the optional drawer 20s can also be monitored by means of the control unit 106 as required, so that it is ensured that the drawer 20s is closed in any case (inserted into the additional volume 20) when or before the loading floor device 10 is moved from the loading position BS to the driving position FS.
Claims
Loading floor device (10) for a motor vehicle (100) with a plate-like loading floor element (12), wherein the loading floor element (12) has a loading floor surface (12f) and a loading floor contour (12k) surrounding the loading floor surface (12f); an adjustment mechanism (14) which is coupled to the loading floor element (12) and is configured to move the loading floor element (12) from a driving position (FS) to a loading position (BS) and vice versa, wherein the loading floor element (12) is movable in the vertical direction (Z) and in the longitudinal direction (X) by means of the adjustment mechanism (14), characterized in that the loading floor device (10) has at least one additional volume (20) which is arranged within the loading floor contour (12k) below the loading floor surface (12f) and which is adjustable together with the loading floor element (12) in the vertical direction (Z) and longitudinal direction (X). Loading floor device (10) according to claim 1, characterized in that the additional volume (20) has a drawer (20s) which is movable in the longitudinal direction (X) relative to the loading floor element (12) such that it can be pulled out and protrudes beyond the loading floor contour (12k) in a state that is at least partially pulled out. Loading floor device (10) according to claim 2, characterized in that the drawer (20s) can only be pulled out in the loading position (BS) of the loading floor device (10). Loading floor device (10) according to one of the preceding claims, characterized in that the adjustment mechanism (14) has loading floor rails (14s) along which the loading floor element (12) is movable in the longitudinal direction (X), and that the adjustment mechanism (14) has a pivotally mounted height adjustment (14h) which is connected to the loading floor rails (14s). Loading floor device (10) according to claim 4, characterized in that the adjustment mechanism (14) has components that support or effect the movement of the loading floor element (12). Loading floor device (10) according to one of the preceding claims, characterized in that the loading floor element (12) has a movable cover section (12d) which at least partially covers the additional volume (20) and which is movable from a closed position to an open position and vice versa. Shop floor device (10) according to claim 6, characterized in that at least one seat cushion element (22) is arranged in the additional volume (20) and that a head cushion element (24) is arranged on the lid section (12d), wherein the head cushion element (24) is received in the additional volume (20) in the closed position of the lid section (12d) and wherein the lid section (12d) serves as a backrest in the open position. Motor vehicle (100) with a loading floor device (10) arranged in a rear area of the motor vehicle (100) according to one of the preceding claims, wherein the loading floor element (12) in the loading position (BS) projects at least partially beyond a rear motor vehicle contour (116). Motor vehicle (100) according to claim 8 and at least one of claims 2 or 3, characterized in that the drawer (20s) of the loading floor device (10) is recessed in the driving position (FS) in a rear body area (122) of the motor vehicle (100) and is covered by the loading floor element (12). Motor vehicle according to claim 7 or 8, characterized in that it has a control unit which is configured to adjust a tailgate of the motor vehicle and / or the adjustment mechanism of the loading floor device at the request of an operator.