JPH0216819U

JPH0216819U -

Info

Publication number: JPH0216819U
Application number: JP9568488U
Authority: JP
Priority date: 1988-07-21
Filing date: 1988-07-21
Publication date: 1990-02-02

Description

[Brief explanation of drawings]

第１図ないし第３図は本考案の一実施例を示す
図で、第１図はジヤーナル軸受の構成を示す断面
図、第２図ａはスラストワツシヤの液導入溝を示
す平面図、第２図ｂは側面図、第３図は液導入溝
の構成を示す断面図、第４図ａは従来のスラスト
ワツシヤの構成を示す平面図、第４図ｂは側面図
である。１……ハウジング、３……軸孔、５……軸、７
，１１……スラストワツシヤ、９，１３……スリ
ーブ、１５……軸受、１９……液導入溝。 1 to 3 are views showing one embodiment of the present invention, in which FIG. 1 is a sectional view showing the structure of a journal bearing, FIG. 2a is a plan view showing a liquid introduction groove of a thrust washer, and FIG. FIG. 4b is a side view, FIG. 3 is a sectional view showing the structure of a liquid introduction groove, FIG. 4a is a plan view showing the structure of a conventional thrust washer, and FIG. 4b is a side view. 1...Housing, 3...Shaft hole, 5...Shaft, 7
, 11... Thrust washer, 9, 13... Sleeve, 15... Bearing, 19... Liquid introduction groove.

Claims

[Claims for Utility Model Registration] 1. A pair of thrust washers installed between the device housing and a shaft inserted into a shaft hole formed in an equipment housing, and a pair of thrust washers installed on the shaft between the pair of thrust washers. In the journal bearing device, the sliding surface of at least one of the pair of thrust washers has a fluid flowing from the outer circumference toward the inner circumference. A journal bearing device characterized in that an introduction groove is formed in a spiral shape, and the width of the fluid introduction groove becomes narrower toward the inner circumference. 2. The journal bearing device according to claim 1, wherein the depth of the fluid introduction groove becomes shallower toward the rear side in the rotational direction.