JPH02107865U

JPH02107865U -

Info

Publication number: JPH02107865U
Application number: JP1567489U
Authority: JP
Priority date: 1989-02-13
Filing date: 1989-02-13
Publication date: 1990-08-28

Description

[Brief explanation of the drawing]

第１図はこの考案の一実施例の要部を示す部分
断面図、第２図Ａはオリフイス機構の第１の例を
示す縦断正面図、同図Ｂはその側面図、第３図Ａ
はオリフイス機構の第２の例を示す縦断正面図、
同図Ｂはその側面図、第４図Ａはオリフイス機構
の第３の例を示す縦断正面図、同図Ｂはその側面
図、第５図Ａはオリフイス機構の第４の例を示す
縦断正面図、同図Ｂはその側面図、第６図Ａはオ
リフイス機構の第５の例を示す縦断正面図、同図
Ｂはその側面図、第７図はオリフイス機構の第６
の例を示す縦断正面図、第８図はオリフイス機構
の第７の例を示す縦断正面図、第９図は従来の遊
星歯車機構における従来の一般的な潤滑構造を示
す概略的な断面図である。１０……サンギヤ、１１……リングギヤ、１２
……ピニオンギヤ、１３……キヤリヤ、１４……
ピニオンシヤフト、１５……軸受、１６……第１
油孔、１７……排気用開放口、１８……第２油孔
、２０……流入口、２１……オリフイス機構、２
４，３４，４４，５４，６４，７４，８２……通
気路。 Fig. 1 is a partial sectional view showing the essential parts of an embodiment of this invention, Fig. 2 A is a longitudinal sectional front view showing a first example of the orifice mechanism, Fig. 3 B is a side view thereof, and Fig. 3 A
is a longitudinal sectional front view showing a second example of the orifice mechanism;
Figure B is a side view thereof, Figure 4A is a longitudinal sectional front view showing a third example of the orifice mechanism, Figure B is a side view thereof, and Figure 5A is a longitudinal front view showing a fourth example of the orifice mechanism. Figure 6B is a side view thereof, Figure 6A is a longitudinal sectional front view showing a fifth example of the orifice mechanism, Figure B is a side view thereof, and Figure 7 is a sixth example of the orifice mechanism.
8 is a vertical sectional front view showing a seventh example of the orifice mechanism, and FIG. 9 is a schematic sectional view showing a conventional general lubrication structure in a conventional planetary gear mechanism. be. 10...Sun gear, 11...Ring gear, 12
...Pinion gear, 13...Carrier, 14...
Pinion shaft, 15... bearing, 16... first
Oil hole, 17... Exhaust opening port, 18... Second oil hole, 20... Inflow port, 21... Orifice mechanism, 2
4, 34, 44, 54, 64, 74, 82... ventilation path.

Claims

[Scope of Claim for Utility Model Registration] A sun gear, a ring gear provided concentrically with the sun gear, a pinion gear disposed between the sun gear and the ring gear, and a pinion shaft with the pinion gear fitted around the outer periphery. In a planetary gear mechanism having a carrier, the outer circumferential surface of the pinion gear fitted with the pinion gear is not particularly required to be lubricated. A planetary gear mechanism characterized in that an oil hole is formed leading to an exhaust opening opening at a location, and the exhaust opening is provided with an orifice mechanism that exhibits large resistance to the flow of lubricating oil. Lubricated structure.