JPH02101273U

JPH02101273U -

Info

Publication number: JPH02101273U
Application number: JP925789U
Authority: JP
Priority date: 1989-01-31
Filing date: 1989-01-31
Publication date: 1990-08-13
Anticipated expiration: 2004-01-31
Also published as: JP2501659Y2

Description

[Brief explanation of drawings]

第１〜２図は本考案の第一実施例を示しており
、第１図は断面図、第２図は縞模様を示す、第１
図のＡ矢視図、第３図は本考案の第二実施例を示
す部分断面図、第４図は同第三実施例を示す断面
図、第５図は本考案の第四実施例を示す断面図、
第６図は内輪の外周面に直接縞模様を付した状態
を示す平面図、第７図は本考案の第五実施例を示
す断面図、第８図は第７図のＢ矢視図、第９図は
従来の回転速度検出用転がり軸受の１例を示す部
分断面図である。１：ハブ、２：フランジ、３，４：外方軌道、
５：内輪、６：外輪、７：転動体、８：内方軌道
、９：パルス発生手段、１０：パルス検出器、１
１：内輪、１２：外方軌道、１３：外輪、１４：
内方軌道、１５：転動体、１６：短円筒状部材、
１７：円孔、１８：センサ、１９：フランジ状ブ
ラケツト、２０：シール材、２１：フランジ状ブ
ラケツト、２２：壁状部、２３：センサ、２４：
透孔。 Figures 1 and 2 show a first embodiment of the present invention, with Figure 1 being a sectional view and Figure 2 showing a striped pattern.
3 is a partial sectional view showing the second embodiment of the present invention, FIG. 4 is a sectional view showing the third embodiment, and FIG. 5 is a sectional view showing the fourth embodiment of the present invention. A cross-sectional view showing,
FIG. 6 is a plan view showing a state in which a striped pattern is directly applied to the outer peripheral surface of the inner ring, FIG. 7 is a sectional view showing a fifth embodiment of the present invention, and FIG. 8 is a view taken in the direction of arrow B in FIG. FIG. 9 is a partial sectional view showing an example of a conventional rolling bearing for detecting rotational speed. 1: hub, 2: flange, 3, 4: outer raceway,
5: Inner ring, 6: Outer ring, 7: Rolling element, 8: Inner raceway, 9: Pulse generating means, 10: Pulse detector, 1
1: Inner ring, 12: Outer raceway, 13: Outer ring, 14:
Inner raceway, 15: rolling element, 16: short cylindrical member,
17: circular hole, 18: sensor, 19: flange-shaped bracket, 20: sealing material, 21: flange-shaped bracket, 22: wall-shaped part, 23: sensor, 24:
Through hole.

Claims

[Scope of Claim for Utility Model Registration] (1) A member equivalent to an inner ring with an outer raceway formed on its outer peripheral surface, a member equivalent to an outer ring with an inner raceway formed on its inner peripheral surface, and between the member equivalent to the inner ring and the member equivalent to the outer ring. a plurality of rolling elements provided on the inner ring equivalent member and the outer ring equivalent member, striped patterns that alternately continue in the rotational direction provided on a part fixed to one of the inner ring equivalent member and the outer ring equivalent member, and the inner ring equivalent member and the outer ring equivalent member. A rolling bearing for detecting rotational speed, comprising a phototransistor type sensor provided on the other member of the striped pattern and facing the striped pattern. (2) The rotational speed detection device according to claim 1, wherein the striped pattern is provided on the circumferential surface of a short cylindrical member that is fitted and fixed to the inner circumferential surface of the outer ring equivalent member or the outer circumferential surface of the inner ring equivalent member. Rolling bearing. (3) The rolling bearing for rotational speed detection according to claim 1, wherein the striped pattern is provided on the side surface of a flange-like bracket fixed to the inner circumferential surface of the outer ring equivalent member or the outer circumferential surface of the inner ring equivalent member. (4) Holding the part where the sensor and striped pattern are provided,
Claims 1 to 3, wherein a pair of sealing materials are provided between the outer peripheral surface of the inner ring equivalent member and the inner peripheral surface of the outer ring equivalent member.
The rolling bearing for detecting rotational speed according to any one of . (5) An inner ring equivalent member with an outer raceway formed on its outer peripheral surface, an outer ring equivalent member with an inner raceway formed on its inner peripheral surface, and a plurality of rolling elements provided between the inner ring equivalent member and the outer ring equivalent member. and a plurality of through holes provided intermittently over the rotational direction in a wall portion fixed to one of the inner ring equivalent member and the outer ring equivalent member, and the other of the inner ring equivalent member and the outer ring equivalent member. A rolling bearing for detecting rotational speed, comprising a phototransistor type sensor provided on the member to sandwich the wall portion and facing the through hole.