JPS6387317U

JPS6387317U -

Info

Publication number: JPS6387317U
Application number: JP18309586U
Authority: JP
Priority date: 1986-11-28
Filing date: 1986-11-28
Publication date: 1988-06-07
Also published as: JPH0446092Y2

Description

[Brief explanation of the drawing]

第１図は本考案の一実施例を示す左半部を断面
とした平面図、第２図は第１図の―線断面図
、第３図ａ及びｂはそれぞれ本考案に適用し得る
第１のボール案内部材及び第２のボール案内部材
を一部を切欠して示す平面図である。図中、１は案内レール、１ｂ，１ｃは側壁、２
ａ，２ｂはボール転動溝、５はスライダ、１０は
レース部材、１１ａ，１１ｂはボール転動溝、１
２ａ，１２ｂは位置決め孔、２０Ａは第１のボー
ル案内部材、２０Ｂは第２のボール案内部材、２
１ａ，２１ｂは半体、２２は胴部、２３は鍔部、
２４は位置決め用突起、２５ａ，２５ｂはボール
戻り通路、２６ａ，２６ｂは湾曲ボール通路、２
７ａ，２７ｂは突出部、２８は係合凹部、２９は
係合凸部、３０はボールである。 Fig. 1 is a plan view showing an embodiment of the present invention, with the left half section taken in section, Fig. 2 is a cross-sectional view taken along the line -- in Fig. 1, and Figs. FIG. 2 is a partially cutaway plan view of the first ball guide member and the second ball guide member. In the figure, 1 is a guide rail, 1b, 1c are side walls, 2
a, 2b are ball rolling grooves, 5 is a slider, 10 is a race member, 11a, 11b are ball rolling grooves, 1
2a, 12b are positioning holes, 20A is a first ball guide member, 20B is a second ball guide member, 2
1a and 21b are halves, 22 is a body, 23 is a flange,
24 is a positioning projection, 25a and 25b are ball return passages, 26a and 26b are curved ball passages, 2
7a and 27b are protrusions, 28 is an engagement recess, 29 is an engagement protrusion, and 30 is a ball.

Claims

[Scope of utility model registration request]

A guide rail having a U-shape extending in the axial direction and having a ball rolling groove facing the inner surface of the side wall, and a ball rolling groove being formed on the outer peripheral surface of the side wall facing the ball rolling groove of the guide rail, and A race member formed in a U-shape, and first and second ball guide members that fit into a recessed portion of the race member and have ball passages therein that communicate with both ball rolling grooves of the race member. , a plurality of balls inserted into the race member and the ball rolling groove of the rail and the ball passages of the first and second ball guide members so as to be able to roll and circulate, the race member and the first ball guide member; and a second ball guide member, one of which is provided with a positioning hole, and the other is provided with a positioning protrusion that fits into the positioning hole, and the first and second ball guide members are formed by bonding vertically symmetrical halves. The end portion corresponding to the axial end portion of the race member fits closely into the ball rolling groove of the rail, and the internal ball passage and the ball rolling groove of the rail and race member are connected to each other. a protrusion forming a curved ball passage communicating with the first and second
An engaging concave portion is formed on one of the opposing end surfaces of the ball guide member, and an engaging convex portion that engages with the engaging concave portion is formed on the other side, and the race member and the first and second ball guide members are connected to each other. The slider is formed by fitting the positioning protrusions into the positioning holes and engaging the engaging recesses and the engaging protrusions of the first and second ball guide members and fixing them together. Miniature linear guide device.