JPS61171448U

JPS61171448U -

Info

Publication number: JPS61171448U
Application number: JP5257385U
Authority: JP
Priority date: 1985-04-09
Filing date: 1985-04-09
Publication date: 1986-10-24

Description

[Brief explanation of the drawing]

第１図は本考案の第一実施例を示す全体の縦断
側面図、第２図及び第３図は本考案の第二実施例
を示し、第２図は全体の縦断側面図、第３図は含
油メタルの平面図、第４図は本考案の第三実施例
を示す第３図相当図である。そして第５図は従来
例を示す第１図相当図である。図中、１１はハウジング、１５は回転軸、１６
はロータボス、１７は被駆動体保持部材、１８は
スラスト軸受（軸受部材）、１９は含油メタル（
軸受部材）、２０はスラスト軸受（軸受部材）、
２１は波形ワツシヤ、２２はスラスト軸受（軸受
部材）、２３は軌道輪、２４はボール、２５は軌
道溝、２６は凹部である。 Fig. 1 is an overall longitudinal sectional side view showing a first embodiment of the present invention, Figs. 2 and 3 show a second embodiment of the invention, Fig. 2 is an overall longitudinal sectional side view, and Fig. 3 is an overall longitudinal sectional side view showing a first embodiment of the invention. 4 is a plan view of the oil-impregnated metal, and FIG. 4 is a view corresponding to FIG. 3 showing a third embodiment of the present invention. FIG. 5 is a diagram corresponding to FIG. 1 showing a conventional example. In the figure, 11 is a housing, 15 is a rotating shaft, 16
is a rotor boss, 17 is a driven body holding member, 18 is a thrust bearing (bearing member), and 19 is an oil-impregnated metal (
20 is a thrust bearing (bearing member),
21 is a corrugated washer, 22 is a thrust bearing (bearing member), 23 is a raceway, 24 is a ball, 25 is a raceway groove, and 26 is a recess.

Claims

[Claims for Utility Model Registration] 1. A rotating shaft having a rotor boss attached to one end and a driven body holding member attached to the other end is supported by a housing via a bearing member and a corrugated washer. , the bearing member includes a radial bearing, an oil-impregnated metal, and a thrust bearing, the radial bearing is arranged on the driven body holding member side, the thrust bearing and the oil-impregnated metal are arranged on the rotor side, and the corrugated washer A bearing device for a small motor, characterized in that: is arranged between the thrust bearing and the rotor boss. 2. The thrust bearing is composed of one raceway ring and a plurality of balls, and the oil-impregnated metal has an annular raceway groove for rolling of the balls. Bearing device for small motor. 3. The small-sized thrust bearing according to claim 1 of the utility model registration, characterized in that the thrust bearing consists of one bearing ring and a plurality of balls, and the oil-impregnated metal has a plurality of recesses for rolling of the balls. Motor bearing device.