JPS61131525U - - Google Patents

Description

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

第１図ないし第５図は本考案の自在継手の実施
例を示したもので、第１図は要部を部分断面で示
した正面図、第２図は第１図のＡ―Ａ線における
断面図、第３図は使用例を示した一部を断面で示
した正面図、第４図および第５図は他の実施例を
示す要部拡大図で、第６図は従来の自在継手の使
用例を示した一部を断面とした正面図である。 １１……自在継手、１２……第１軸部材、１３
……第２軸部材、１４……二また状端部、１６，
２１……対向内側面、１７，２３……軸穴、１８
……凹穴部、１９……外側部、２０……わん形端
部、２４……センタブロツク、２５，２６……軸
通穴、２７……長軸ピン、２８……短軸ピン、４
１……転動体軌道みぞ、５１……止め輪みぞ、ｃ
，ｄ……間隙。 Figures 1 to 5 show an embodiment of the universal joint of the present invention. Figure 1 is a front view showing the main part in partial cross section, and Figure 2 is taken along line A--A in Figure 1. 3 is a partially sectional front view showing an example of use, FIGS. 4 and 5 are enlarged views of main parts showing other embodiments, and FIG. 6 is a conventional universal joint. FIG. 2 is a front view, partially in cross section, showing an example of its use. 11... Universal joint, 12... First shaft member, 13
...Second shaft member, 14...Forked end, 16,
21... Opposing inner surface, 17, 23... Shaft hole, 18
... Recessed hole part, 19 ... Outer part, 20 ... Bowl-shaped end, 24 ... Center block, 25, 26 ... Shaft through hole, 27 ... Long shaft pin, 28 ... Short shaft pin, 4
1...Rolling element raceway groove, 51...Retaining ring groove, c
, d... Gap.

Claims (1)

【実用新案登録請求の範囲】 (1) 回転軸心線に平行な２平面で形成された対
向内側面に垂直で、前記回転軸心線に直交する中
心線をもつ軸穴が穿設された二または状端部を有
する第１軸部材および第２軸部材と、互いに直交
した十字状の軸通穴が穿設され、前記二また状端
部の対向内側面に挾持されたセンタブロツクと、
このセンタブロツクの一方の軸通穴および前記第
１軸部材の軸穴に挿入され、この軸通穴または軸
穴のいずれか一方に固着された長軸ピンと、前記
センタブロツクの他方の軸通穴および前記第２軸
部材の軸穴に挿入され、この軸通穴または軸穴の
いずれか一方に固着された２本の短軸ピンとを備
えた自在継手において、前記第２軸部材に前記対
向内側面の対向した両側部間を半円筒状曲面で連
結して形成された凹穴部と円筒状の外側部とを有
するわん形端部を設け、前記両軸部材の回転軸心
線が同一線上にある状態で、前記第２軸部材の凹
穴部内面と前記第１軸部材の二また状端部との間
に所定の間隙を形成させたことを特徴とする自在
継手。 (2) 前記第２軸部材の外側部の外周面に少なく
とも１条の転動体軌道みぞを設けたことを特徴と
する実用新案登録請求の範囲第１項記載の自在継
手。 (3) 前記第２軸部材の外側部の外周面に止め輪
みぞを形成したことを特徴とする実用新案登録請
求の範囲第１項記載の自在継手。[Claims for Utility Model Registration] (1) A shaft hole having a center line perpendicular to and perpendicular to the rotation axis is bored in the opposing inner surfaces formed by two planes parallel to the rotation axis. a first shaft member and a second shaft member having bifurcated end portions; a center block having cross-shaped shaft through holes perpendicular to each other and held between opposing inner surfaces of the bifurcated end portions;
A long shaft pin inserted into one shaft hole of the center block and the shaft hole of the first shaft member and fixed to either the shaft hole or the shaft hole, and the other shaft hole of the center block. and two short shaft pins inserted into the shaft hole of the second shaft member and fixed to either the shaft through hole or the shaft hole, the universal joint comprising: A bowl-shaped end portion having a concave hole portion and a cylindrical outer portion formed by connecting opposite side portions of the side surfaces with a semi-cylindrical curved surface is provided, and the rotation axes of the two shaft members are on the same line. 1. A universal joint characterized in that a predetermined gap is formed between the inner surface of the recessed hole portion of the second shaft member and the forked end portion of the first shaft member when the joint is in the state shown in FIG. (2) The universal joint according to claim 1, wherein at least one rolling element raceway groove is provided on the outer peripheral surface of the outer side of the second shaft member. (3) The universal joint according to claim 1, wherein a retaining ring groove is formed on the outer peripheral surface of the outer side of the second shaft member.