JPH0418757U

JPH0418757U -

Info

Publication number: JPH0418757U
Application number: JP5986690U
Authority: JP
Priority date: 1990-06-05
Filing date: 1990-06-05
Publication date: 1992-02-17
Anticipated expiration: 2005-06-05
Also published as: JP2602994Y2

Description

[Brief explanation of the drawing]

第１〜４図は本考案に係るギヤケース内の潤滑
油路構造の一実施例を示す図であり、第１，２図
はそれぞれその斜視図、第３図ａはその隔室Ａの
循環を示す正面図、第３図ｂは第３図ａのｂ−
ｂ矢視側面図、第４図ａはその隔室Ｂの循環を
示す正面図、第４図ｂは第４図ａのｂ−ｂ矢
視側面図である。第５，６図はそれぞれ従来のギ
ヤケース内の潤滑油路構造を示す図であり、第５
図ａはその左側面図、第５図ｂは第５図ａのＡ−
Ａ断面面図、第６図ａはその左側面図、第６図ｂ
は第６図ａの正面図である。２１……フアイナルドライブギヤ装置、２２…
…ギヤケース、２３……リングギヤ、２５……推
進軸、２６……第１ベアリング、２７……第２ベ
アリング、３１……リングギヤ室、３５……オイ
ル、３８……第２空気抜き油路、４０……シール
リング、４５……第１空気抜き油路、Ａ……隔室
、Ｂ……隔室。 Figures 1 to 4 are diagrams showing an embodiment of the lubricating oil passage structure in the gear case according to the present invention, Figures 1 and 2 are perspective views thereof, and Figure 3a shows the circulation in the compartment A. The front view shown in Fig. 3b is the b- of Fig. 3a.
FIG. 4a is a front view showing the circulation of the compartment B, and FIG. 4b is a side view taken along the line bb in FIG. 4a. Figures 5 and 6 are diagrams showing the structure of the lubricating oil passage in the conventional gear case, respectively.
Figure a is its left side view, and Figure 5 b is A- of Figure 5 a.
A sectional view, Figure 6a is its left side view, Figure 6b
is a front view of FIG. 6a; 21...Final drive gear device, 22...
... Gear case, 23 ... Ring gear, 25 ... Propulsion shaft, 26 ... First bearing, 27 ... Second bearing, 31 ... Ring gear chamber, 35 ... Oil, 38 ... Second air vent oil path, 40 ... ... Seal ring, 45... First air vent oil passage, A... Compartment, B... Compartment.

Claims

[Scope of utility model registration request]

In the lubricating oil path structure in the gear case that penetrates the final drive gear device from the propulsion side into the gear case and lubricates the first bearing on the ring gear side and the second bearing on the propulsion side that pivotally supports the propulsion shaft that propels the ring gear, Compartment A defined by the first bearing and the second bearing
and a compartment B defined by a seal ring that seals a second bearing and a penetrating portion of the gear case, and a first air vent oil passage that communicates the compartment A and the compartment B; A lubricating oil passage structure in a gear case, comprising a second air vent oil passage communicating between compartment A and a ring gear chamber housing the ring gear.