JPS63103056U - - Google Patents

Description

【図面の簡単な説明】[Brief explanation of the drawing]

第１図は本考案の第１実施例に係る終減速機の
横断平面図、第２図は第１図の矢印―線方向
の縦断背面図、第３図は第１図の矢印―線方
向の一部省略縦断側面図、第４図は第１図の矢印
―線方向の一部省略縦断背面図、第５図は第
２実施例に係る終減速機の横断平面図、第６図は
第５図の矢印―線方向の一部省略縦断背面図
である。 符号の説明、１０……デイフアレンシヤル、２
１……リングギヤ、２２……ドライブピニオンシ
ヤフト、３０……キヤリヤ、３１……キヤリヤ本
体、３３……キヤリヤ筒部、３５，３８……油供
給孔、３６……油戻孔、Ｒ１〜Ｒ４……環状部。 Fig. 1 is a cross-sectional plan view of the final reducer according to the first embodiment of the present invention, Fig. 2 is a vertical cross-sectional rear view in the arrow-line direction of Fig. 1, and Fig. 3 is a longitudinal cross-sectional view in the arrow-line direction of Fig. 1. FIG. 4 is a partially omitted longitudinal cross-sectional side view in the arrow-line direction of FIG. 1, FIG. 5 is a cross-sectional plan view of the final reduction gear according to the second embodiment, and FIG. 6 is a partially omitted vertical cross-sectional rear view in the arrow-line direction of FIG. 5. FIG. Explanation of symbols, 10...Differential, 2
DESCRIPTION OF SYMBOLS 1... Ring gear, 22... Drive pinion shaft, 30... Carrier, 31... Carrier body, 33... Carrier cylinder part, 35, 38... Oil supply hole, 36... Oil return hole, R1 to R4... ...annulus.

Claims (1)

【実用新案登録請求の範囲】[Scope of utility model registration request] リングギヤを備えたデイフアレンシヤルを収容
して回転可能に支持するキヤリヤ本体に一体的に
設けられ前記リングギヤに噛合するドライブピニ
オンシヤフトを収容して回転可能に支持するキヤ
リヤ筒部に、その内部一側にて前記ドライブピニ
オンシヤフトに沿つて延在し一端が前記キヤリヤ
本体内の前記リングギヤ近傍に開口するとともに
他端が前記ドライブピニオンシヤフトの軸支部、
シール部等の近傍に開口する油供給孔と、その内
部他側にて前記ドライブピニオンシヤフトに沿つ
て延在し一端が同シヤフトの軸支部、シール部等
の近傍に開口するとともに他端が前記キヤリヤ本
体内に開口する油戻孔を備えてなる車両用終減速
機の潤滑機構において、前記油戻孔を前記デイフ
アレンシヤルの軸支部、シール部等の近傍まで延
在させて当該部位に開口し、かつ同油戻孔の中間
部側壁の孔底より高い部位に前記キヤリヤ本体内
に開口する開口部も設けたことを特徴とする車両
用終減速機の潤滑機構。 A carrier cylindrical portion that is integrally provided with a carrier body that accommodates and rotatably supports a differential equipped with a ring gear and that accommodates and rotatably supports a drive pinion shaft that meshes with the ring gear is provided with an internal portion. a side extending along the drive pinion shaft, one end opening near the ring gear in the carrier body, and the other end supporting the drive pinion shaft;
An oil supply hole that opens near the seal portion, etc., and an oil supply hole that extends along the drive pinion shaft on the other side inside the hole, and one end that opens near the shaft support, the seal portion, etc., and the other end that extends along the drive pinion shaft. In a lubrication mechanism for a final reduction gear for a vehicle comprising an oil return hole opened in a carrier body, the oil return hole is extended to the vicinity of a shaft support, a seal portion, etc. of the differential, and A lubrication mechanism for a final reduction gear for a vehicle, characterized in that the oil return hole has an opening that opens into the carrier body at a position higher than the bottom of the intermediate side wall of the oil return hole.