JP2021107737A5

JP2021107737A5 -

Info

Publication number: JP2021107737A5
Application number: JP2019240041A
Authority: JP
Filing date: 2019-12-30
Publication date: 2022-11-11

Description

本発明のある態様は、
第１駆動軸と、
第２駆動軸と、
差動機構と、
前記差動機構を収容するケースと、
前記ケースに支持されたピニオン軸と、
前記ピニオン軸を軸心とするピニオンギアと、を有し、
前記差動機構は、ピニオンメートギアと、軸方向における一方側から前記ピニオンメートギアに噛合する第１サイドギアと、軸方向における他方側から前記ピニオンメートギアに噛合する第２サイドギアと、を有し、
前記第１駆動軸は前記第１サイドギアに接続され、
前記第２駆動軸は前記第２サイドギアに接続され、
前記ピニオン軸は、前記第１駆動軸及び前記第２駆動軸の外周に位置し、
径方向から見て、前記ピニオンギアは、前記第１サイドギアと重なる位置に配置され、且つ、前記第２サイドギアと重ならない位置に配置される構成の動力伝達装置とした。 One aspect of the invention is
a first drive shaft;
a second drive shaft;
a differential mechanism;
a case that houses the differential mechanism;
a pinion shaft supported by the case;
a pinion gear having the pinion shaft as an axis,
The differential mechanism has a pinion mate gear, a first side gear that meshes with the pinion mate gear from one side in the axial direction, and a second side gear that meshes with the pinion mate gear from the other side in the axial direction. ,
the first drive shaft is connected to the first side gear;
the second drive shaft is connected to the second side gear;
The pinion shaft is positioned on the outer periphery of the first drive shaft and the second drive shaft,
In the power transmission device , the pinion gear is arranged at a position that overlaps with the first side gear and is arranged at a position that does not overlap with the second side gear when viewed from the radial direction .

Claims

a first drive shaft;
a second drive shaft;
a differential mechanism;
a case that houses the differential mechanism;
a pinion shaft supported by the case;
a pinion gear having the pinion shaft as an axis,
The differential mechanism has a pinion mate gear, a first side gear that meshes with the pinion mate gear from one side in the axial direction, and a second side gear that meshes with the pinion mate gear from the other side in the axial direction. ,
the first drive shaft is connected to the first side gear;
the second drive shaft is connected to the second side gear;
The pinion shaft is positioned on the outer periphery of the first drive shaft and the second drive shaft,
A power transmission device according to claim 1, wherein the pinion gear is arranged at a position that overlaps with the first side gear and is arranged at a position that does not overlap with the second side gear when viewed in a radial direction .

In claim 1,
A power transmission device, wherein the case has an in-case oil passage for supplying lubricating oil to the pinion shaft.

In claim 1 or claim 2,
The pinion gear has a large pinion gear and a small pinion gear,
The pinion shaft has a first shaft portion protruding toward the large pinion gear,
The pinion shaft has a second shaft portion protruding toward the small pinion gear ,
A power transmission device according to claim 1, wherein the small pinion gear is arranged at a position that overlaps with the first side gear and is arranged at a position that does not overlap with the second side gear when viewed in a radial direction .

a first drive shaft;
a second drive shaft;
a differential mechanism connected to the first drive shaft and the second drive shaft;
a case that houses the differential mechanism;
a pinion shaft supported by the case;
a pinion gear having the pinion shaft as an axis,
The pinion shaft is positioned on the outer periphery of the first drive shaft and the second drive shaft,
the case has an in-case oil passage for supplying lubricating oil to the pinion shaft;
The pinion gear has a large pinion gear and a small pinion gear,
The pinion shaft has a first shaft portion protruding toward the large pinion gear,
The pinion shaft has a second shaft portion protruding toward the small pinion gear,
A power transmission device , wherein the axial length of the second shaft portion is greater than that of the first shaft portion .

In claim 3 or claim 4 ,
A power transmission device, wherein an oil catch portion positioned above the case is provided downstream in the rotational direction of the second shaft portion when the second shaft portion travels forward .

In claim 3 or claim 5 ,
A power transmission device, wherein the axial length of the second shaft portion is greater than that of the first shaft portion.

In claim 5 ,
A power transmission device, wherein the oil catch portion is arranged at a position offset from a vertical line passing through the center of rotation of the case.

In any one of claims 1 to 7 ,
a motor arranged upstream of the differential mechanism;
A power transmission device, wherein the first drive shaft passes through an inner circumference of the motor.