JPH0281953U

JPH0281953U -

Info

Publication number: JPH0281953U
Application number: JP16126588U
Authority: JP
Priority date: 1988-12-14
Filing date: 1988-12-14
Publication date: 1990-06-25

Description

[Brief explanation of the drawing]

第１図は本考案の要部を示す側断面図、第２図
はスリーブの一部切欠端面図、第３図はリテーナ
ーの展開図、第４図は同上Ｘ−Ｘ線における断面
図である。尚、図中符号、Ａ……スプライン軸、１……ボ
ールグルーブ、Ｂ……スリーブ、２……ボールグ
ルーブ、Ｃ……リテーナー、３……ボール保持孔
、Ｄ……スチールボール、Ｅ……ストツプリング
。 Fig. 1 is a side sectional view showing the main parts of the present invention, Fig. 2 is a partially cutaway end view of the sleeve, Fig. 3 is a developed view of the retainer, and Fig. 4 is a sectional view taken along line X-X of the same. . In addition, the symbols in the figure are as follows: A...Spline shaft, 1...Ball groove, B...Sleeve, 2...Ball groove, C...Retainer, 3...Ball holding hole, D...Steel ball, E... Stop spring.

Claims

[Scope of utility model registration request]

Consisting of a spline shaft A and a sleeve B, several ball grooves 1 and 2 with a torsion angle β of at least 30 degrees with respect to the axis are formed on the joint surface of each, and the sleeve B has a diameter that is longer than the total length of the sleeve B. A short cylindrical retainer C is fitted loosely,
Ball holding holes 3 are bored in the inner peripheral surface of the retainer C at positions corresponding to the ball grooves 2 of the sleeve B, and steel balls D are inserted into the ball holding holes 3.
A helical ball spline for limited stroke in which a spline shaft A is fitted into a sleeve B, which has a retainer inside the sleeve that holds it so that it does not come off in the direction of the inner center of the sleeve, and stop springs E are attached to both ends of the sleeve. .