motor vehicle

Abstract

The invention relates to a motor vehicle (1) with a vehicle front (2) with a front cover (4) and a trunk (3) below the front cover (4), wherein the front cover (4) is formed from an outer wall (10) and an inner wall (11), wherein the outer wall (10) is connected to the inner wall (11) at a circumferential fold (12), wherein a locking bar (13) is arranged connected to the inner wall (11) and is secured by means of a body-mounted lock (14), wherein the inner wall has a predetermined bending point (17) for the inner wall (11) to deflect in the event of impact and deformation of the outer wall (10).

Description

[0001] The invention relates to a motor vehicle with a vehicle front according to the preamble of claim 1, with improved pedestrian impact protection.

[0002] In motor vehicles, the front of the vehicle is relevant for pedestrian impact protection. This front end must be designed to be soft enough that, in a standardized pedestrian impact at a given speed, the forces involved remain within a defined range. Such standardized impact tests are conducted using test rigs and serve to evaluate the front of the vehicle.

[0003] EP 1 842 746 A1 discloses a bonnet with an elastically attached closing bracket which can elastically deflect when the bonnet is deformed and does not interfere with the deformation of the bonnet, so that the bonnet can absorb energy through deformation.

[0004] DE 10 2013 002 307 A1 discloses a front end of a motor vehicle with a bumper cover having an elastically hinged linkage which also deforms when the bumper cover is deformed.

[0005] WO 2014 / 010472 A1 discloses a motor vehicle according to the preamble of claim 1.

[0006] JP 2009 - 255 635 A and EP 2 481 645 A1 disclose a motor vehicle with a bonnet, wherein a locking bar is arranged and is secured by means of a body-mounted lock.

[0007] WO 2012 / 114010 A1 and DE 10 2013 014 203 A1 also disclose a motor vehicle with a bonnet, wherein a locking bar is arranged and is secured by means of a body-tight lock.

[0008] JP 2012 - 144 122 A and WO 2012 / 096244 A1 each disclose a motor vehicle with a front hood incorporating an impact absorption element.

[0009] DE 103 11 221 A1 discloses a motor vehicle with a front hood having a deformation element on its underside.

[0010] DE 10 2021 202 608 A1 discloses a support structure for the outer cladding of a motor vehicle.

[0011] US patent 2021 / 0284242 A1 discloses a container for insertion into the engine compartment of a motor vehicle.

[0012] The task is to create a motor vehicle that has improved pedestrian impact protection.

[0013] The problem is solved using the features of claim 1.

[0014] One embodiment of the invention relates to a motor vehicle with a front end comprising a front decklid and a trunk below the front decklid. The front decklid is formed from an outer wall and an inner wall, the outer wall being connected to the inner wall by a circumferential fold. A locking bar is connected to the inner wall and secured by a body-mounted lock. The inner wall has a predetermined bending point to allow the inner wall to deflect in the event of an impact and deformation of the outer wall. This allows for the creation of a motor vehicle in which an impact on the front decklid leads to a pre-formation of the outer and inner walls, which would reduce the forces on the pedestrian in order to achieve the desired pedestrian protection.

[0015] According to the invention, the lock is attached to an element of the vehicle body and has a catch hook which engages the locking bolt. This ensures that the hood is held securely in the closed position.

[0016] According to the invention, the locking bar is designed to be axially displaceable and is guided axially displaceable within the catch hook. This allows the front cover and the locking bar to shift upon impact, and the locking bar can also shift within the catch hook.

[0017] It is also advantageous if the intended bending point of the inner wall is located near the attachment point of the locking bar. This ensures a reliable way for the inner wall to deflect.

[0018] According to the invention, a trunk with a trunk floor is arranged and designed below the front hood, the trunk floor having a predetermined bending point for deformation under load. This allows the trunk floor below the front hood to deflect, thereby reducing the force exerted on pedestrians and achieving the desired pedestrian protection.

[0019] It is also advantageous if the front of the vehicle has a bumper cover located below the front hood. This defines the front of the vehicle.

[0020] It is also advantageous if the bumper cover is supported by a reinforcing element, which in turn is supported by a carrier that is fixed to the body. This ensures a stable structure under normal conditions.

[0021] It is also advantageous if the reinforcement element has at least one mounting arm that is permanently attached to the vehicle body, with each mounting arm having a predetermined bending point. This allows the bumper cover to deflect, thus reducing the force exerted on pedestrians and achieving the desired pedestrian protection.

[0022] It is also advantageous if the trunk floor and the bumper cover are connected, with a seal in the connection area against which the front hatch rests when closed. This creates a unified design that reduces the force exerted on pedestrians, thus achieving the desired pedestrian protection.

[0023] It is also advantageous if the seal is axially elastic. The seal allows the front cover to shift backwards in the direction of travel.

[0024] The invention will now be explained in detail using an exemplary embodiment and with reference to the drawing. The drawings show: Fig. 1 a perspective partial view of an embodiment of a motor vehicle according to the invention, Fig. 2 a side view of the embodiment of the motor vehicle according to the invention, Fig. 3 a sectional view of the vehicle front of the exemplary embodiment of the motor vehicle, and Fig. 4 Another sectional view of the vehicle front of the exemplary embodiment of the motor vehicle.

[0025] The Fig. 1 and Fig. Figure 2 shows the front end 2 of a motor vehicle 1 with a trunk 3 in the front end 2. The front end 2 is closed by a trunk lid 4, which can be moved, for example by pivoting, between an open operating position I and a closed operating position II. The trunk 3 extends below the trunk lid 4.

[0026] The bow cover 4 is designed such that it has an approximately L-shaped profile with a substantially horizontal leg 5 and a substantially vertical leg 6, this profile referring to the closed operating state II. Deviations from this are also possible, and the legs 5 and 6 need not be arranged at right angles to each other.

[0027] The motor vehicle 1 shown has a front end 2 with a front cover 4 and a trunk 3 below the front cover 4. Alternatively, an engine compartment, component compartment or other compartments may also be located under the front cover 4.

[0028] The trunk 3 has a frontal opening 7 which allows for easy loading and unloading, the frontal opening 7 being reached by pulling down the front trunk wall 8.

[0029] Below the trunk 3 and the front cover 4, a bumper cover 9 is provided, which forms the lower front of the motor vehicle 1.

[0030] In the Fig. 3 and Fig. Figure 4 shows that the bow cover 4 is formed from an outer wall 10 and an inner wall 11, wherein the outer wall 10 is connected to the inner wall 11 at a circumferential fold 12.

[0031] To close the bow cover 4, the bow cover 4 has a locking bar 13 on its inner side, attached to the inner wall 11, which is connected to the inner wall 11. Fig. Figure 3 even shows that the inner wall 11 is reinforced in the area where the locking bar 13 is attached. This reinforcement is achieved, for example, by means of an additional layer of sheet metal, plastic, or another material. Preferably, the locking bar 13 is screwed to or otherwise connected to the inner wall 11.

[0032] Furthermore, a body-mounted lock 14 is provided, which is attached to a mounting bracket 15. The lock 14 has a catch hook 16 which holds and catches the locking bolt 13.

[0033] For improved pedestrian protection, the inner wall 11 is designed to have a predetermined buckling point 17 to allow the inner wall 11 to deflect more easily in the event of impact and deformation of the outer wall 10 in the event of an accident. Preferably and optionally, the predetermined buckling point 17 of the inner wall 11 is located near the attachment of the locking bar 13.

[0034] According to the Fig. 3 and Fig. 4. The locking bar 13 is designed such that it is axially displaceable, i.e., in the longitudinal direction of the vehicle, and is guided axially displaceably in the catch hook 16. The locking bar 13 can therefore move relative to the catch hook 16 without being released by the catch hook 16.

[0035] As described above, a trunk 3 with a trunk floor 18 is arranged and designed below the front cover 4, the trunk floor 18 having a predetermined bending point 19 for deformation under load. Fig. The predetermined bending point 19 is clearly visible as a kind of notch. Fig. 4 shows that the boot floor 18 is curved upwards in the direction of travel in front of the predetermined bending point 19 and is bent at the predetermined bending point 19.

[0036] Furthermore, in the Fig. 3 and Fig. 4 to recognize that the vehicle front 2 has a bumper cover 9 which is located below the front cover 4.

[0037] The bumper cover 9 is supported on a reinforcement element 20, which is supported by a carrier 24 and by the mounting carrier 15, which is fixed to the body. The reinforcement element 20 has at least one mounting arm 21 which is rigidly connected to the vehicle body, in particular to the mounting bracket 15, wherein the respective mounting arm 21 has a predetermined bending point 22. This allows the reinforcement element 20 to deflect and deform upon impact. The reinforcement element 20 can be designed as a reinforcing grid.

[0038] It can also be seen that the trunk floor 18 and the bumper cover 9 are connected to each other, with a seal 23 arranged in the connection area against which the front cover 4 rests when closed. Since the seal 23 is designed, for example, as a bladder seal, it is axially elastic, so that the front cover 4 can also deflect in this respect if necessary, see Fig. 4. Reference symbol list 1 motor vehicle 2 Vehicle bug 3 trunk 4 bow covers 5 thighs 6 thighs 7 Opening 8 Trunk wall 9 Bumper cover 10 Exterior wall 11 Inner wall 12 folds 13 locking bars 14 Castle 15 mounting brackets 16 hooks 17. Decided bending point 18 boot floor 19. Deciduous bending point 20 Reinforcing element 21 Mounting arm 22 Design point 23 Seal 24 carriers

Claims

[1] Motor vehicle (1) with a front end (2) with a front cover (4) and a trunk (3) below the front cover (4), wherein the front cover (4) is formed from an outer wall (10) and an inner wall (11), wherein the outer wall (10) is connected to the inner wall (11) at a circumferential fold (12), wherein a locking bar (13) is connected to the inner wall (11) and is secured by means of a body-mounted lock (14), wherein the inner wall has a predetermined bending point (17) for the inner wall (11) to deflect in the event of impact and deformation of the outer wall (10), characterized by, that the lock (14) is attached to an element of the body of the motor vehicle (1) and has a catch hook (16) which engages the locking bar (13), wherein the locking bar (13) is designed to be axially displaceable and is guided axially displaceable in the catch hook (16) and wherein a trunk (3) with a trunk floor (18) is arranged and formed below the front cover (4), wherein the trunk floor (18) has a predetermined bending point (19) for deformation when subjected to force. [2] Motor vehicle (1) according to claim 1, characterized by , that the predetermined bending point (17) of the inner wall is located near the attachment of the locking bar (13). [3] Motor vehicle (1) according to any one of the preceding claims, characterized by , that the front of the vehicle (2) has a bumper cover (9) which is arranged below the front cover (4). [4] Motor vehicle (1) according to any one of the preceding claims, characterized by, that the bumper cover (9) is supported on a reinforcing element (20) which is supported by a carrier (24) which is fixed to the body. [5] Motor vehicle (1) according to any one of the preceding claims, characterized by that the reinforcing element (20) has at least one fastening arm (21) which is fixedly connected to the body, wherein the respective fastening arm (21) has a predetermined bending point (22). [6] Motor vehicle (1) according to any one of the preceding claims, characterized by , that the trunk floor (18) and the bumper cover (9) are connected to each other, wherein a seal (23) is arranged in the connection area against which the front cover (4) rests when closed. [7] Motor vehicle (1) according to any one of the preceding claims, characterized by , that the seal (23) is axially elastic.

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