JPH03112121U

JPH03112121U -

Info

Publication number: JPH03112121U
Application number: JP2073490U
Authority: JP
Priority date: 1990-02-28
Filing date: 1990-02-28
Publication date: 1991-11-15

Description

[Brief explanation of drawings]

第１図はこの考案に係るスロツト軸受の下側を
省略した縦断面図、第２図は第１図のＡ−Ａ線に
おける断面図、第３図はこの実施例の軸受部材の
斜視図である。第４図はスロツト軸受の従来例を
示す縦断面図、第５図は第４図のＢ−Ｂ線におけ
る断面図、第６図は従来例のスロツト軸受におけ
る軸受部材の斜視図、第７図はスリツトの内端部
の拡大断面図である。１１……軸受ハウジング、１２……通気孔、１
３……第１通気孔、１４……軸受スリーブ、１５
……第２通気孔、１６……環状溝、１７……軸受
部材、１７ａ……中間ブツシユ、１７ｂ……側方
ブツシユ、１８……セラミツク薄膜、１９……ス
リツト、１９ａ……溝、１９ｂ……ランド、２０
……回転軸、２１……軸受スキマ。 Fig. 1 is a vertical cross-sectional view of the slot bearing according to this invention with the lower side omitted, Fig. 2 is a cross-sectional view taken along line A-A in Fig. 1, and Fig. 3 is a perspective view of the bearing member of this embodiment. be. Fig. 4 is a vertical sectional view showing a conventional example of a slot bearing, Fig. 5 is a sectional view taken along line B-B in Fig. 4, Fig. 6 is a perspective view of a bearing member in a conventional slot bearing, and Fig. 7. is an enlarged sectional view of the inner end of the slit. 11...Bearing housing, 12...Vent hole, 1
3...First ventilation hole, 14...Bearing sleeve, 15
... Second ventilation hole, 16 ... Annular groove, 17 ... Bearing member, 17a ... Intermediate bushing, 17b ... Side bushing, 18 ... Ceramic thin film, 19 ... Slit, 19a ... Groove, 19b ... ...Rand, 20
... Rotating shaft, 21 ... Bearing clearance.

Claims

[Claims for Utility Model Registration] A bearing member in which a plurality of cylindrical members are butted at their end faces and a groove is provided to form a slit in one of the butted end faces, and a shaft that is inserted through this bearing member. A slot bearing for supporting the shaft by supplying pressurized fluid through a slit formed in the bearing member into a bearing clearance between the bearing member and the bearing member, characterized in that the bearing surface of the bearing member is coated with a ceramic thin film. Slot bearing.