EP-4741194-A1 - SUPPORT STRUCTURE OF DRIVING DEVICE

EP4741194A1EP 4741194 A1EP4741194 A1EP 4741194A1EP-4741194-A1

Abstract

[Problem to be Solved] To provide a support structure of a driving device that can protect a wire harness (31) from an impact during a rear-end collision of a vehicle (1). [Solution] The support structure of a driving device (5) has the wire harness (31) that is connected to a connector (30) of the driving device (5), the wire harness (31) has a front side harness portion (31A) that extends from a position more forward than the driving device (5) toward the driving device (5), and a bending portion (31B) that bends from a rear end portion (31a) of the front side harness portion (31A) toward the driving device (5) and extends in a vehicle width direction, with a connector (32) provided at a rear end portion being connected to the connector (30), and the bending portion (31B) is disposed more rearward than the connector (30). In a mount bracket (17), a rear end portion (17a) is disposed to be positioned more rearward than the connector (30), and the bending portion (31B) is disposed above the mount bracket (17) and more forward than the rear end portion (17a) of the mount bracket (17).

Inventors

HAYASHI, Tsubasa
NAKABAYASHI, NOBUO
HATTORI, SOICHIRO
EGUCHI, HIROYUKI
MIYATA, KEISUKE
SATO, Tatsuki
IMAI, KYOHEI

Assignees

Suzuki Motor Corporation

Dates

Publication Date: 20260513
Application Date: 20251017

Claims (3)

A support structure of a driving device, the support structure comprising: a driving device (5) having a rotating electric machine, and an electric power control device (6) that controls electric power that is supplied to the rotating electric machine, the driving device (5) being disposed below a floor panel (9) of a vehicle (1); a wire harness (31) that is connected to a connecting portion (30) of the driving device (5); a side member (2L) that extends in a front-rear direction of the vehicle (1); and a mount bracket (17) that extends in a vehicle width direction and connects the side member (2L) and the driving device (5), the wire harness (31) having a front side harness portion (31A) that extends from a position more forward than the driving device (5) toward the driving device (5), and a bending portion (31B) that bends from a rear end portion (31a) of the front side harness portion (31A) toward the driving device (5) and extends in the vehicle width direction, with a rear end portion (32) being connected to the connecting portion (30), the bending portion (31B) being disposed more rearward than the connecting portion (30), the support structure being characterized in that the mount bracket (17) is disposed so that a rear end portion (17a) of the mount bracket (17) is positioned more rearward than the connecting portion (30), and the bending portion (31B) is disposed above the mount bracket (17) and more forward than the rear end portion (17a) of the mount bracket (17).
The support structure of a driving device as claimed in claim 1, wherein the bending portion (31B) is disposed between a front end portion (17b) and the rear end portion (17a) of the mount bracket (17) in the front-rear direction.
The support structure of a driving device as claimed in claim 1 or claim 2, wherein the mount bracket (17) extends in the vehicle width direction along the bending portion (31B).

Description

[Technical Field] The present invention relates to a support structure of a driving device. [Background Art] Conventionally, there has been known a vehicle body structure in which a driving device that transmits rotational power outputted from a motor to rear wheels is disposed in a rear portion of a vehicle (see Patent Literature 1). In this vehicle body structure, a battery is disposed in front of the driving device, and the battery and the driving device are connected by a high-voltage cable. [Citation List] [Patent Literature] [Patent Literature 1] Japanese Patent No. 7413078 [Summary of Invention] [Technical Problem] However, the conventional vehicle body structure has a risk of being unable to protect the high-voltage cable from an impact when the impact is applied to the driving device from behind during a rear-end collision of the vehicle, because it does not have a structure that protects the high-voltage cable from an impact load. The present invention is made in view of the circumstances as described above and has an object to provide a support structure of a driving device that can protect a wire harness from an impact during a rear-end collision of a vehicle. [Solution to Problem] The present invention provides a support structure of a driving device, the support structure including: a driving device having a rotating electric machine, and an electric power control device that controls electric power that is supplied to the rotating electric machine, the driving device being disposed below a floor panel of a vehicle; a wire harness that is connected to a connecting portion of the driving device; a side member that extends in a front-rear direction of the vehicle; and a mount bracket that extends in a vehicle width direction and connects the side member and the driving device, the wire harness having a front side harness portion that extends from a position more forward than the driving device toward the driving device, and a bending portion that bends from a rear end portion of the front side harness portion toward the driving device and extends in the vehicle width direction, with a rear end portion being connected to the connecting portion, the bending portion being disposed more rearward than the connecting portion, the support structure being characterized in that the mount bracket is disposed so that a rear end portion of the mount bracket is positioned more rearward than the connecting portion, and the bending portion is disposed above the mount bracket and more forward than the rear end portion of the mount bracket. [Advantageous Effects of Invention] As above, according to the present invention described above, it is possible to protect the wire harness from an impact during a rear-end collision of the vehicle. [Brief Description of Drawings] [Figure 1] Figure 1 is a view showing a support structure of a driving device according to one embodiment of the present invention, which is a bottom view of a rear portion of a vehicle.[Figure 2] Figure 2 is a view showing the support structure of the driving device according to one embodiment of the present invention, which is a left side view of the driving device.[Figure 3] Figure 3 is a view showing the support structure of the driving device according to one embodiment of the present invention, which is a top view of the driving device and the mount bracket. [Description of Embodiment] A support structure of a driving device according to one embodiment of the present invention is a support structure of a driving device, the support structure including: a driving device having a rotating electric machine, and an electric power control device that controls electric power that is supplied to the rotating electric machine, the driving device being disposed below a floor panel of a vehicle; a wire harness that is connected to a connecting portion of the driving device; a side member that extends in a front-rear direction of the vehicle; and a mount bracket that extends in a vehicle width direction and connects the side member and the driving device, the wire harness having a front side harness portion that extends from a position more forward than the driving device toward the driving device, and a bending portion that bends from a rear end portion of the front side harness portion toward the driving device and extends in the vehicle width direction, with a rear end portion being connected to the connecting portion, the bending portion being disposed more rearward than the connecting portion, wherein the mount bracket is disposed so that a rear end portion of the mount bracket is positioned more rearward than the connecting portion, and the bending portion is disposed above the mount bracket and more forward than the rear end portion of the mount bracket. Accordingly, the support structure of a driving device according to one embodiment of the present invention can protect the wire harness from an impact during a rear-end collision of the vehicle.