JPS6396321U - - Google Patents

Description

【図面の簡単な説明】[Brief explanation of the drawing]

第１図は、ラジアルすべり軸受についてのこの
考案の実施例を示し、同図ａは断面図、同図ｂは
ラジアル内面の展開図、第２図は、リニアーすべ
り軸受についてのこの考案の実施例を示し、同図
ａは断面図、同図ｂはリニアー内面の展開図、第
３図は、ラジアル・リニアーすべり軸受について
のこの考案の実施例を示し、同図ａは断面図、同
図ｂは、ラジアル・リニアー内面の展開図、第４
図は、スラストすべり軸受についてのこの考案の
実施例を示し、同図ａは断面図、同図ｂはスラス
ト受面の平面図、第５図および第６図は、それぞ
れこの考案の他の実施例を示し、第５図ａおよび
第６図ａは断面図、第５図ｂおよび第６図ｂはラ
ジアル内面の展開図、第５図ｃおよび第６図ｃは
、それぞれ第５図ｂおよび第６図ｂのＡ―Ａ線断
面図である。 図中、１０は軸体、１１，１２，１３，１４は
それぞれ軸体のラジアル外面、リニアー外面、ラ
ジアル・リニアー外面、スラスト端面、２０はラ
ジアルすべり軸受、２１はそのラジアル内面、３
０はリニアーすべり軸受、３１はそのリニアー内
面、４０はラジアル・リニアーすべり軸受、４１
はそのラジアル・リニアー内面、５０はスラスト
すべり軸受、５１はそのスラスト受面、６０，７
０は動圧発生用のみぞである。 Figure 1 shows an embodiment of this invention for a radial sliding bearing, Figure a is a sectional view, Figure b is a developed view of the radial inner surface, and Figure 2 is an embodiment of this invention for a linear sliding bearing. , Figure a is a cross-sectional view, Figure b is a developed view of the linear inner surface, Figure 3 shows an embodiment of this invention for a radial linear plain bearing, Figure a is a cross-sectional view, Figure b is is a developed view of the radial/linear inner surface, 4th
The figures show an embodiment of this invention regarding a thrust sliding bearing, in which figure a is a sectional view, figure b is a plan view of the thrust bearing surface, and FIGS. 5 and 6 are other embodiments of this invention, respectively. For example, FIGS. 5a and 6a are sectional views, FIGS. 5b and 6b are developed views of the radial inner surface, and FIGS. 5c and 6c are sectional views, respectively. FIG. 6b is a sectional view taken along the line AA in FIG. 6b. In the figure, 10 is a shaft; 11, 12, 13, and 14 are respectively the radial outer surface, linear outer surface, radial/linear outer surface, and thrust end surface of the shaft; 20 is a radial sliding bearing; 21 is its radial inner surface;
0 is a linear sliding bearing, 31 is its linear inner surface, 40 is a radial linear sliding bearing, 41
is its radial linear inner surface, 50 is a thrust sliding bearing, 51 is its thrust bearing surface, 60, 7
0 is a groove for generating dynamic pressure.

Claims (1)

【実用新案登録請求の範囲】 (1) 軸体と軸受とが相互のすべり面を介して正
逆方向の回転運動、直線運動、回転直線運動の何
れかの運動が相対的に可能であり、前記すべり面
の少なくとも一方に、矢じり状の動圧発生用のみ
ぞが形成され、該動圧発生用のみぞは、矢先方向
が軸体と軸受との一方向の運動方向に一致するみ
ぞと、矢先方向が他方の運動方向に一致するみぞ
とを菱形状に向かい合わせて接続して、それぞれ
前記すべり面に配列したことを特徴とする動圧形
すべり軸受。 (2) 軸体と軸受とのすべり面の少なくとも一方
の両端部に、動圧発生用のみぞの深さよりも深い
潤滑剤溜り用のみぞが設けてある実用新案登録請
求の範囲第１項記載の動圧形すべり軸受。 (3) 軸体と軸受との少なくとも一方のすべり面
には動圧発生用のみぞの間に、動圧発生用のみぞ
の深さよりも深い凹部が設けてある実用新案登録
請求の範囲第１項記載の動圧形すべり軸受。[Claims for Utility Model Registration] (1) The shaft body and the bearing are relatively capable of any one of rotational movement in forward and reverse directions, linear movement, and rotational linear movement through mutual sliding surfaces, An arrowhead-shaped groove for generating dynamic pressure is formed on at least one of the sliding surfaces, and the groove for generating dynamic pressure has an arrowhead direction that corresponds to one direction of movement of the shaft body and the bearing; 1. A hydrodynamic sliding bearing characterized in that grooves whose arrowheads coincide with the other movement direction are connected facing each other in a diamond shape and are arranged on the sliding surface. (2) A groove for lubricant reservoir deeper than the depth of the groove for generating dynamic pressure is provided at both ends of at least one of the sliding surfaces of the shaft body and the bearing as described in claim 1 of the utility model registration claim. hydrodynamic plain bearing. (3) A recess deeper than the depth of the groove for generating dynamic pressure is provided between the groove for generating dynamic pressure on the sliding surface of at least one of the shaft body and the bearing.Claim 1 of Utility Model Registration Dynamic pressure type plain bearings as described in .