Cradle reinforcement for a motor vehicle comprising a mechanical reinforcement at one of its ends.

Abstract

The invention relates to a cradle reinforcement (16) for a motor vehicle, comprising a first end (14) intended to be held to the cradle of a motor vehicle. The invention is remarkable in that a mechanical reinforcement (2) is present at the first end (14) of the cradle reinforcement (16), and a distal end (4) of the mechanical reinforcement protrudes from the first end (14) of the cradle reinforcement (16), and the distal end (4) of the mechanical reinforcement (2) comprises passages allowing the insertion of a fixing element (20). Figure 2

Description

Title of the invention: Cradle reinforcement for a motor vehicle comprising a mechanical reinforcement at one of its ends. Technical field to which the invention relates

[0001] The present invention relates to the technical field of automobiles and, more particularly, to a reinforcement for the cradle of a motor vehicle. Technological background

[0002] Safety is a constant priority in the automotive industry, in particular the preservation of the integrity of the occupants of a motor vehicle, during a frontal impact.

[0003] Located at the front of a motor vehicle, the front axle plays an essential role in absorbing the energy generated during a frontal collision. The front axle consists of a cradle and a cradle reinforcement. These elements allow both to maintain the front structure of the motor vehicle and also to absorb part of the energy in the event of a frontal collision.

[0004] The subframe, as a solid support structure, provides an essential base for mounting the engine, suspension and other front-end components. It acts as a central anchor point for the subframe reinforcements, which extend toward the front of the vehicle.

[0005] The cradle reinforcements, by extending the cradle, help to evenly distribute the load and impact in the event of a frontal collision. They absorb part of the impact energy by deforming in a controlled manner. This controlled deformation helps to reduce the transmission of dangerous forces into the vehicle structure, thus minimizing potential damage to the occupants. The cooperation between the cradle and the cradle reinforcements is therefore crucial to ensure structural stability and safety in the event of a frontal collision, thus protecting the vehicle occupants.

[0006] However, in the case of frontal impacts where low overlap is desired, it is necessary to reinforce the cradle reinforcements with mechanical reinforcements.

[0007] The present invention aims to propose a solution that is easy and quick to implement, in order to increase the mechanical resistance of a cradle reinforcement when the latter extends a cradle of a motor vehicle. Subject of the invention

[0008] For this, the invention proposes a cradle reinforcement for a motor vehicle, comprising a first end intended to be held to the cradle of a vehicle. automobile.

[0009] The invention is remarkable in that a mechanical reinforcement is present at the first end of the cradle reinforcement, and a distal end of the mechanical reinforcement protrudes beyond the first end of the mechanical reinforcement, and the distal end of the mechanical reinforcement comprises passages allowing the insertion of a fixing element.

[0010] Advantageously, the cradle reinforcement according to the invention comprises at one of its ends, a mechanical reinforcement configured to allow rapid and easy fixing of the cradle reinforcement to a cradle and / or to a cradle extension, by means of fixing elements capable of being inserted into passages provided for this purpose, at the distal end of the mechanical reinforcement.

[0011] Thus, the cradle reinforcement is reinforced by the presence of the mechanical reinforcement, and it can easily and quickly be fixed to a cradle of a motor vehicle.

[0012] According to another embodiment of the invention, the mechanical reinforcement forms a housing in which the first end of the cradle reinforcement is at least partially present.

[0013] Preferably, the housing is formed by means of a stamping operation.

[0014] According to another embodiment of the invention, the first end of the cradle reinforcement is held in the housing formed by the mechanical reinforcement, by means of a welding operation.

[0015] According to another embodiment of the invention, the distal end of the mechanical reinforcement extends in a direction perpendicular or substantially perpendicular to the direction of elongation of the first end of the cradle reinforcement.

[0016] According to another embodiment of the invention, the distal end of the mechanical reinforcement comprises at least three passages

[0017] According to another embodiment of the invention, the mechanical reinforcement is made of steel.

[0018] According to another embodiment of the invention, the mechanical reinforcement has a thickness equal to or greater than 3 mm.

[0019] Of course, the various features, variants and embodiments mentioned above may be combined with each other in various combinations, provided that they are not incompatible or mutually exclusive.

[0020] The invention also relates to a cradle for a motor vehicle comprising a cradle reinforcement as described above, and the cradle reinforcement is held to the cradle by means of fastening elements inserted into the passages of the mechanical reinforcement. Optionally, the cradle reinforcement may also be held to a cradle extension by means of one or more fastening elements.

[0021] Preferably, the fixing elements are reversible, of the screw type or the like.

[0022] The invention also relates to a motor vehicle comprising a cradle such as described above. Description of the figures

[0023] The invention will be better understood, thanks to the following description, which relates to preferred embodiments, given as non-limiting examples, and explained with reference to the appended schematic drawings, in which:

[0024] [Fig-1] illustrates a perspective view of a mechanical reinforcement according to the invention, for a cradle reinforcement of a motor vehicle;

[0025] [Fig.2] illustrates a top view of a cradle reinforcement for a motor vehicle, one end of which is held by a mechanical reinforcement according to [Fig.l], to a cradle of a motor vehicle;

[0026] [Fig.3] illustrates a perspective and partial view of a motor vehicle comprising a cradle as represented by [Fig.2]. Detailed description of the invention

[0027] As a reminder, the invention proposes an easy and quick solution to implement, to increase the mechanical resistance of a cradle reinforcement when it extends a cradle of a motor vehicle.

[0028] [Fig.l] illustrates a non-limiting embodiment of a mechanical reinforcement 2 according to the invention, for a cradle reinforcement of a motor vehicle. The mechanical reinforcement is a metal part, preferably made of steel, formed by means of a stamping operation. The mechanical reinforcement 2 has a thickness equal to or greater than 3 mm.

[0029] The mechanical reinforcement 2 consists of a distal end 4, extending in a first direction. The distal end 4 comprises passages 6 intended to allow the insertion of a fixing element.

[0030] The mechanical reinforcement also comprises a proximal end 8, extending in a second direction perpendicular or substantially perpendicular to the first direction. The proximal end 8 comprises two appendages 10. Each appendage extends parallel or substantially parallel to the second direction, and the appendages are spaced apart by a sufficient distance to form a housing 12, intended to accommodate a first end of a cradle reinforcement.

[0031] The shape and dimensions of the housing 12 are adapted so as to allow the insertion of at least a portion of a first end of a cradle reinforcement.

[0032] According to a preferred embodiment, the height of the appendages 10 is equal to or greater than 50% of the height of the first end of the cradle reinforcement, when said end is present in the housing 12 formed by the appendages. In other words, the appendages 10 are formed so as to maintain the first end of the cradle reinforcement so that it cannot move in a direction parallel or substantially parallel to the first direction.

[0033] Preferably, the distal end 4 of the mechanical reinforcement 2 forms a rim, intended to serve as a stop, at the first end of the cradle reinforcement. In other words, the distal end 4 prevents a first end of a cradle reinforcement from moving beyond the distal end 4 of the mechanical reinforcement 2.

[0034] As illustrated by [Fig.2], a first end 14 of a cradle reinforcement 16 is placed in the housing 12, present at the proximal end 8 of the mechanical reinforcement 2. Preferably, the first end 14 of the cradle reinforcement is held in the housing 12 by a welding operation.

[0035] The distal end 4 of the mechanical reinforcement is fixed to a cradle 18 of a motor vehicle, by means of fixing elements 20. As illustrated by [Fig.2], the distal end 4 of the mechanical reinforcement can also be fixed to a cradle extension 19, by means of one or more fixing elements 20.

[0036] Preferably, the fixing elements are reversible, such as screws.

[0037] Thus, as illustrated by [Fig. 3], the invention allows rapid and easy fixing of the cradle reinforcement 16 to a cradle 18 of a motor vehicle 22, and possibly to a cradle extension 19, by means of reversible fixing elements 20, capable of being inserted into passages 6 provided for this purpose, through the distal end 4 of the mechanical reinforcement 2.

[0038] Thus, the cradle reinforcement 16 is reinforced by the presence of the mechanical reinforcement 2.

Claims

Claims

1. Cradle reinforcement (16) for a motor vehicle, comprising a first end (14) intended to be held to the cradle of a motor vehicle, characterized in that a mechanical reinforcement (2) is present at the first end (14) of the cradle reinforcement (16), and in that a distal end (4) of the mechanical reinforcement protrudes beyond the first end (14) of the cradle reinforcement (16), and in that the distal end (4) of the mechanical reinforcement (2) comprises passages (6) allowing the insertion of a fixing element (20).

2. Cradle reinforcement (16) according to claim 1, characterized in that the mechanical reinforcement (2) forms a housing (12) in which the first end (14) of the cradle reinforcement (16) is at least partially present.

3. Cradle reinforcement (16) according to claim 2, characterized in that the housing (12) is formed by means of a stamping operation.

4. Cradle reinforcement (16) according to claim 2 or 3, characterized in that the first end (14) of the cradle reinforcement (16) is held in the housing (12), by means of a welding operation.

5. Cradle reinforcement (16) according to one of claims 1 to 4, characterized in that the distal end (4) of the mechanical reinforcement (2) extends in a direction perpendicular or substantially perpendicular to the direction of elongation of the first end (14) of the cradle reinforcement (16).

6. Cradle reinforcement (16) according to one of claims 1 to 5, characterized in that the distal end (4) of the mechanical reinforcement (2) comprises at least three passages (6).

7. Cradle reinforcement (16) according to one of claims 1 to 6, characterized in that the mechanical reinforcement (2) is made of steel.

8. Cradle reinforcement (16) according to one of claims 1 to 7, characterized in that the mechanical reinforcement (2) has a thickness equal to or greater than 3 mm.

9. Cradle (18) for a motor vehicle, characterized in that it comprises a cradle reinforcement (16) according to one of claims 1 to 8, and in that the cradle reinforcement (16) is held to the cradle (18) by means of fixing elements (20) inserted into the passages (6) of the mechanical reinforcement (2).

10. Motor vehicle (22) comprising a cradle (18) according to claim dication 9.

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