FR3041302A1 - ANTI-RECONCILING BAR OF MOTOR VEHICLE AGENCED FOR RECEIVING AN ELECTRICAL CONNECTION BEAM. - Google Patents

Abstract

The present invention relates to a strut bar (20) intended to be mounted transversely between the two supports (6) for suspending the front body block of a motor vehicle; characterized in that it comprises a first hollow body (21) and a second body (22) covering said first body (21), said bodies (21, 22) being secured to one another at their edges lateral means by fixing means (23A) so as to define an elongated internal channel (24) provided for housing an electrical connection beam (19) of said vehicle. The invention also relates to a motor vehicle comprising an electrical connection harness (19) and a front body block with two suspension supports (6) between which is mounted transversely such an anti-approach bar (20) housing said beam (19).

Description

ANTI-RECONCILING BAR OF MOTOR VEHICLE AGENCED FOR RECEIVING AN ELECTRICAL CONNECTION BEAM.

Field of the Invention The invention relates to the field of power supply of electrical devices of a vehicle. It relates in particular to the implementation of the main electrical connection beam of such a vehicle.

Background of the invention

In a motor vehicle, it is necessary to make the connection of electrical devices in the passenger compartment, such as buttons or control levers, electric windows, lighting means or fuses, or between them or with other electrical means arranged in the engine compartment of the vehicle.

This connection is made through secondary electrical connection beams provided at their free ends with one or more connectors and connected to a main electrical connection harness also ensuring their power from a battery to which it is connected.

This main connecting beam, which is generally in the form of a cylindrical strand composed of a plurality of flexible conductors, extends transversely inside the dashboard or in the engine compartment near the separating apron with the cockpit.

Condensation generated around the conditioned air circulation duct as well as infiltrations in case of heavy rain or washing of the windscreen may cause splashes of water on this beam and cause short circuits, malfunctions or malfunctions. breakdowns of certain electrical equipment of the vehicle.

In order to overcome these drawbacks, it is known from French patent application FR 2 808 480, an air diffuser duct for a motor vehicle attached to the reinforcement bar of the bodywork of this vehicle and extending transversely along this bar inside the dashboard.

This duct, fluidly connected to the air conditioning device installed in the passenger compartment of this vehicle, comprises a first element and a second element hermetically assembled one on the other by their outer peripheral edges.

These two elements define between them a first hollow body for circulating air conditioning and a second hollow body independent of the first hollow body and receiving the electrical connection beam. The imprisonment of this beam inside such a conduit thus protects it from external aggression but in return causes a significant increase in the volume occupied in an already particularly congested environment, which tends to generate interference with noise. other vehicle devices such as the pneumatic brake amplification system.

This problem has also been accentuated in recent years with the continuous increase in the diameter of this main beam caused by the appearance of new electrical devices fitted to the vehicles (driving assistance systems, electric auxiliary engines, etc.). .).

Object and summary of the invention

The present invention therefore aims to protect the transverse electrical harness of a vehicle from external aggression while limiting the risk of interference with the vehicle organs located in its environment.

It proposes for this purpose an anti-approximation bar intended to be mounted transversely between the two suspension brackets of the front body block of a motor vehicle; characterized in that it comprises a first hollow body and a second body covering said first body, said bodies being secured to one another at their lateral edges by fixing means so as to define an elongated internal channel provided to house a wiring harness of said vehicle.

In addition to its traditional function of stiffening the structure of the vehicle, the anti-approximation bar according to the invention makes it possible to protect the main electrical connection beam from external aggression, and in particular from splashing water that is potentially a source of short circuits (the risk of such projections being also reduced because such a bar is intended to be mounted in the upper part of the front block).

Moreover, by housing this beam in its internal volume, this anti-approach bar avoids overloading the area surrounding the separating apron with the passenger compartment and eliminates any risk of interference with other parts of the vehicle.

According to preferred characteristics of the anti-approximation bar, taken alone or in combination: said fixing means are of the reversible type; said reversible fixing means are constituted by a plurality of screws passing through superposed circular bores formed along said lateral edges of said bodies and whose threaded rods are bolted to corresponding clamping nuts; one of said bodies has two passage windows arranged near its two ends and provided for the exit of the two ends of said beam; said first and second bodies are formed by stamping from a metal sheet; said second body is formed in one piece with the awning collector of said vehicle; said internal channel has a passage section adapted to receive a said beam of diameter less than or equal to 40 mm; and / or - said bar comprises seals interposed between said lateral edges of said bodies. The invention also aims in a second aspect, a motor vehicle having an electrical connection beam and a front body block with two suspension brackets between which is mounted transversely such anti-retraction bar housing said beam.

Advantageously, the two ends of said second hollow body of said anti-approach bar are each fixed by welding on the top of a said respective suspension support.

BRIEF DESCRIPTION OF THE DRAWINGS The description of the invention will now be continued by the detailed description of an exemplary embodiment, given below by way of illustration but without limitation, with reference to the appended drawings, in which: FIG. a partial perspective view of the front block of the body of a motor vehicle comprising an anti-approximation bar according to the invention; - Figure 2 is a partial perspective view from another angle of the front block of the body of Figure 1 during assembly of the anti-approach bar; and - Figure 3 is a longitudinal sectional view of the front body block.

Detailed description of a preferred embodiment

Referring to the front block of the body 1 of a motor vehicle partially visible in Figures 1 to 3, defines an orthogonal reference XYZ comprising three axes perpendicular two by two, namely: - an axis X, defining a longitudinal direction, horizontal, coincides with the general direction of movement of the vehicle - a Y axis, defining a transverse, horizontal direction, which with X Tax defines a horizontal XY plane, and - a Z axis, defining a vertical direction, perpendicular to the horizontal XY plane.

The front body block 1 comprises an apron cross member 3 from the two ends of which extend two lateral stretchers 4 extending longitudinally forwards and laterally delimiting a carrier cradle for a powertrain of the vehicle.

This front block 1 also comprises two wheel arches 5 fixed by welding on the external side of the two struts 4 and two suspension supports 6 extending at the rear of these two wheel passages 5 and intended to accommodate the heads of shock absorbers of the front running gear.

The two wheel arches 5, obtained by stamping a steel sheet, are curved to conform to the lower semicircular contour of the front wings of the vehicle.

The two suspension supports 6, elevated with respect to the wheel passages 5, are formed by a hollow dome 7 obtained by stamping a steel sheet and whose top is provided with an inverted cup 8 at the center of which is provided a circular hole 9 for fixing a damper head.

Each of the suspension supports 6 is rigidly connected to the corresponding stretcher 4 and to the wheel well 5 via a casing 10 made of sheet metal.

Each envelope 10, obtained from a folded sheet, has two transverse walls 11 and longitudinal 12 on the upper parts of which are welded the front and inner faces of the suspension support 6.

The transverse wall 11 is welded to the rear edge of the wheel well 5, while the longitudinal wall 12 is welded to the top of the stretcher 4.

The front body block 1 also comprises an apron 13 for separating the passenger compartment of the engine compartment from the vehicle, and which extends vertically above the cross beam of apron 3. At the front of the deck 13, the upper zone of this front body block 1 further comprises an awning collector 14 extending transversely over the entire width of the vehicle.

This awning collector 14, made here from a stamped metal sheet, is intended to harvest the water flowing from the windshield in case of heavy rain or following the washing of the windshield to direct it towards two discharge openings 15 formed near its two opposite lateral ends.

Above the cowl collector 14, extends a lower crosspiece bay 16 on which the lower edge of the windshield of the vehicle is intended to bear.

In order to stiffen the structure of the vehicle and prevent deformation, the front block 1 is provided in a manner known per se of an anti-approach bar 20 mounted transversely between the two suspension supports 6.

According to the invention, this anti-approach bar 20 has the particularity of being traversed along its length by the main electrical connection beam 19 of the vehicle.

We will now describe in detail this antirrangement bar 20 in support of Figures 1 to 3.

This comprises a first hollow body 21 and a second body 22 covering this first body 21, the two bodies 21, 22 being secured to one another at their lateral edges by fastening means 23 so as to define an elongate internal channel 24 provided for housing the main electrical connection beam 19 of the vehicle (Figure 3).

Advantageously, this internal channel 24 has a passage section adapted to receive a beam 19 of diameter less than or equal to 40 mm.

The first hollow body 21, which here constitutes the lower half of the bar 20, is formed by stamping from a metal sheet

The second cover body 22, which here constitutes the upper half of the bar 20, is advantageously formed in one piece with the canopy collector 14 by stamping from a metal sheet. Its two ends are each fixed by welding on the top of a respective suspension support 6 at the periphery of the cup 8 (Figure 1).

This second upper cover body 22 also has two substantially rectangular passage windows 25 formed near its two ends and provided for the output of the two ends 19A, 19B of the main beam 19, each provided with a not shown connector for the connection to secondary connection beams.

The fastening means 23 between the two bodies 21, 22 are advantageously reversible type. According to a preferred embodiment, they consist of a plurality of screws 23A (FIG. 3) passing through superposed circular bores arranged at regular intervals along the lateral edges of these two bodies 21, 22 and whose threaded rods are then bolted to corresponding clamping nuts not shown.

We will now describe the mounting operations of the anti-approach bar 20 on the front body block 1.

The upper cover body 22 is first positioned transversely between the two suspension supports 6 and then welded on their vertices by its two ends.

The main electrical connection harness 19 is then disposed along and against the lower face of this body 22 by bringing out its two ends provided with connectors through the two windows 25, which has the effect of ensuring provisional pre-maintenance. of this beam 19.

The lower hollow body 21 can then be brought by the underbody against the upper body 22 so that the latter are aligned in the same transverse direction with their respective side edges close together and the holes overlapping.

The two bodies 21, 22 are finally fixed to one another by bolting the screws 23A to the corresponding nuts, so as to allow subsequent access to the main beam 19 if necessary (for example to change it following a malfunction or following the installation of new electrical equipment after-sales).

According to alternative embodiments not shown, the first hollow body extends above the second cover body formed integrally with the awning collector.

According to other embodiments not shown, the first and second bodies are completely independent of the canopy collector.

According to still other embodiments not shown: - elastomeric seals are interposed between the lateral edges of the two bodies 21, 22 to improve the sealing of the anti-approach bar 20 at the junction between these two elements; nuts are welded at the periphery of the bores on the lateral edges of one of the two bodies in order to facilitate the bolting operations of the screws 23A; the passage windows are formed on the first hollow body; and / or - the fastening means are different and constituted for example by clipping plastic clips through the superimposed circular bores formed along the lateral edges of the bodies. In general, it is recalled that the present invention is not limited to the embodiments described and shown, but encompasses any embodiment within the scope of those skilled in the art.

Claims (10)

An anti-approach bar intended to be mounted transversely between the two suspension supports (6) of the front body block (1) of a motor vehicle; characterized in that it comprises a first hollow body (21) and a second body (22) covering said first body (21), said bodies (21, 22) being secured to one another at their edges lateral means by fixing means (23) so as to define an elongate internal channel (24) provided for housing an electrical connection beam (19) of said vehicle. 2. anti-reconciliation bar according to claim 1, characterized in that said fixing means (23) are reversible type. 3. anti-approach bar according to claim 2, characterized in that said reversible fixing means (23) are constituted by a plurality of screws (23A) passing through superposed circular bores formed along said side edges of said bodies (21, 22). ) and whose threaded rods are bolted to corresponding tightening nuts. 4. anti-reconciliation bar according to one of claims 1 to 3, characterized in that one of said body (22) has two windows (25) provided near its two ends and provided for the output of both ends (19A, 19B) of said beam (19). 5. anti-reconciliation bar according to one of claims 1 to 4, characterized in that said first and second body (21, 22) are formed by stamping from a metal sheet. 6. anti-reconciliation bar according to one of claims 1 to 5, characterized in that said second body (22) is formed integrally with the canopy collector (14) of said vehicle. 7. anti-reconciliation bar according to one of claims 1 to 6, characterized in that said inner channel (24) has a passage section adapted to receive a said beam (19) of diameter less than or equal to 40 mm. 8. strut bar according to one of claims 1 to 7, characterized in that it comprises seals interposed between said side edges of said bodies (21, 22). 9. Motor vehicle comprising an electrical connection harness (19) and a front body block (1) having two suspension supports (6) between which is mounted transversely a strut bar (20), characterized in that said bar (20) is according to one of claims 1 to 8 and in that it houses said beam (19). 10. A motor vehicle according to claim 9, characterized in that the two ends of said second hollow body (22) of said anti-approach bar (20) are each fixed by welding on the top of a said suspension support (6) respective.