JPS6152717U

JPS6152717U -

Info

Publication number: JPS6152717U
Application number: JP10180885U
Authority: JP
Priority date: 1984-07-06
Filing date: 1985-07-05
Publication date: 1986-04-09
Also published as: FR2567218B1; FR2567218A1

Description

[Brief explanation of drawings]

第１図は本考案による自在継手の第１実施例を
示す図、第２図は第１図に示された自在継手を
−線に沿つて断面した図、第３ａ図は本考案に
よる自在継手の第２実施例を示す図、第３ｂ図は
第３ａ図に示された自在継手をその基本位置から
旋回させられた位置で示す図、第４図は継手ピン
−ロツド端部の、本考案の自在継手によつて得ら
れる規跡を２つの異なる従来構成による規跡と比
較した図である。１，１″…継手ピン、２ａ，２ａ′，２ｂ…支
承体、３…ケーシング、４，４′…滑り部材、１
１，１１′…タイロツド、２１ａ，２１ａ′，２
１ｂ…中心点、３１…ケーシング内壁面、３１ａ
，３１ｂ…範囲、３２…ケーシング底部、３３…
ケーシング開口。 Fig. 1 is a diagram showing a first embodiment of the universal joint according to the present invention, Fig. 2 is a cross-sectional view of the universal joint shown in Fig. 1 along the - line, and Fig. 3a is a diagram showing the universal joint according to the present invention. FIG. 3b shows the universal joint shown in FIG. 3a in a pivoted position from its basic position; FIG. 4 shows the universal joint shown in FIG. FIG. 3 is a diagram comparing the footprint obtained by the universal joint with the trajectory obtained by two different conventional configurations. 1, 1″...Joint pin, 2a, 2a', 2b...Support, 3...Casing, 4, 4'...Sliding member, 1
1, 11'...Tie rod, 21a, 21a', 2
1b...Center point, 31...Casing inner wall surface, 31a
, 31b... range, 32... casing bottom, 33...
Casing opening.

Claims

[Claims for Utility Model Registration] 1. A universal joint with a joint pin pivotably supported in multiple planes in a casing, in particular a tie rod joint for a steering wheel of an automobile, on the one hand, of the joint pin 1; The coupling pin 1 has an end supported in the casing 3 and, on the other hand, the contour of the inner casing wall 31 is configured as follows: (a) in a defined first pivot plane - in its basic position; Starting from - in a first direction E about a defined first rotational center point A and at a distance from this defined first rotational center point A; The first centering point is rotation center point B.
(b) is capable of turning around axes C, C', etc. in another turning plane perpendicular to the defined first turning plane; A universal joint characterized in that the axes C, C'... extend through at least one of the defined first and second rotation center points A, B. 2 The ends of the joint pin 1 supported in the casing 3 have substantially spherical bearings 2a, 2b rigidly connected to each other, and these bearings have center points 21a, 21b. so that the straight line C passing through the joint pin 1 forms an angle with the vertical axis D of the joint pin 1, and the center points 21a and 21b form the first and second rotation center points A and B defined by the basic position of the joint pin 1. , the universal joint according to claim 1, wherein the universal joint is three-dimensionally arranged at intervals from each other. 3. The one support 2a is located within the first pivot plane in which the joint pin 1 is defined, and the other support 2b is
The casing inner wall surface 31 is defined so as to be slidably supported directly or indirectly on the casing inner wall surface 31 when it is rotated about the center point 21b, which is the rotation center point A. 3. The universal joint according to claim 2, which has an at least approximately tulip-shaped profile when viewed in cross-section extending in the pivot plane of the universal joint. 4. The support bodies 2a, 2b are directly slidably supported on the casing inner wall surface 31, and the tulip-shaped contour of the casing inner wall surface is a strongly curved first shape with the casing bottom 32 as the base point. area 31a and a second weakly curved area 31a following this which extends into the casing opening 33.
range 31b, and a first range 31a.
The center of curvature of is formed by one adjacent defined center of rotation B, and the second range 31
The center of curvature of b is the other specified center of rotation A
The radius of curvature of each curved first region 31a corresponds to the radius r of the adjacent spherical support 2a, and the radius of curvature R of each curved second region 31b corresponds to
3. The universal joint according to claim 3, wherein corresponds to the sum of this radius and the distance between the defined centers of rotation A and B. 5 The supports 2a and 2b are connected to the casing inner wall surface 3
1 through a shell-shaped sliding member 4, and the outer shell of this sliding member is connected to the casing inner wall surface 31.
has a tulip-like contour, and its inner contour corresponds to the spherical contour of the supports 2a, 2b, and the tulip-like contours of the casing inner wall surface 31 have the same curvature from the casing bottom 32 to the casing opening 33, respectively. Claim 3 of the utility model registration claim, which is curved at a radius of universal joint.