JPS6119135U

JPS6119135U - Universal joint circulation lubrication system

Info

Publication number: JPS6119135U
Application number: JP10480284U
Authority: JP
Inventors: 利男谷口
Original assignee: 光洋精工株式会社
Priority date: 1984-07-10
Filing date: 1984-07-10
Publication date: 1986-02-04

Abstract

(57)【要約】本公報は電子出願前の出願データであるた
め要約のデータは記録されません。(57) [Summary] This bulletin contains application data before electronic filing, so abstract data is not recorded.

Description

[Brief explanation of the drawing]

第１図は本考案の実施例を示す十字軸とベアリングケー
スの要部を示す縦断面図、第２図はその一部分品を示す
半部縦断側面図、第３図、第４図は変形実施例の縦断面
図である。１１・・・十字軸、１２・・・グリース室、１３・・・
軸頚、１４・・・給油孔、１５・・・ポンプ室，′１６
・・・ネジ溝、１７・・・ポンプネジ軸、１８，１９・
・・一方クラッチ軸受、２０・・・ベアリングケース、
２１・・・グリース循環用孔。Fig. 1 is a vertical sectional view showing main parts of the cross shaft and bearing case showing an embodiment of the present invention, Fig. 2 is a half longitudinal sectional side view showing some parts thereof, and Figs. 3 and 4 are modified examples. FIG. 3 is a vertical cross-sectional view of an example. 11...Cross shaft, 12...Grease chamber, 13...
Shaft neck, 14... Oil supply hole, 15... Pump chamber, '16
... Thread groove, 17... Pump screw shaft, 18, 19.
・・One side clutch bearing, 20・・bearing case,
21...Grease circulation hole.

Claims

[Scope of utility model registration request]

(1) A lubrication hole communicating from a grease chamber provided inside the cross shaft to the center of the shaft neck, and a cylindrical pump chamber connected to the oil supply hole with the other end opening at the end of the shaft neck, A screw shaft with a thread groove formed in a portion is inserted into the chamber, and both ends of the screw shaft are bearings using one-way clutch bearings in a position that allows the screw shaft to rotate only in the direction in which grease is supplied by the thread groove. A grease circulation hole is supported within the case and the shaft neck, and communicates with one end of the pump chamber on the radius line of the shaft neck, and the inside of the bearing case is sealed at the open end of the bearing case and the base of the shaft neck. A universal joint circulation lubrication device equipped with an oil seal.

(2) The circulating lubrication device for a universal joint according to claim 1, which is a registered utility model, wherein a grease hole communicating with the outside from the end of the screw shaft is provided on the oil supply hole side of the screw shaft.

(3) A non-threaded small diameter portion is formed on the oil supply hole side of the screw shaft, and a grease hole communicating from the end of the small diameter portion to the outside is provided in the utility model registration claim (1) or ( Circulating lubrication device for the universal joint described in 2).