JPS6378750U - - Google Patents
Info
- Publication number
- JPS6378750U JPS6378750U JP17361486U JP17361486U JPS6378750U JP S6378750 U JPS6378750 U JP S6378750U JP 17361486 U JP17361486 U JP 17361486U JP 17361486 U JP17361486 U JP 17361486U JP S6378750 U JPS6378750 U JP S6378750U
- Authority
- JP
- Japan
- Prior art keywords
- bearing
- rotating shaft
- bearings
- slide block
- slide
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Granted
Links
- 230000002093 peripheral effect Effects 0.000 claims 1
- 125000006850 spacer group Chemical group 0.000 description 3
Landscapes
- Transmission Devices (AREA)
Description
第１図は、この考案による最も基本的な構成か
らなる直線駆動軸受ユニツトの縦断正面説明図で
ある。第２図と第３図はこの考案による直線駆動
軸受ユニツトの縦断正面説明図と横断上面説明図
である。第４図と第５図はこの考案の他実施例を
示す縦断正面説明図である。第６図はこの考案に
よる直動型ボールベアリングの縦断正面説明図で
ある。第７図はこの考案に用いたスライド軸受の
１例を示す直線駆動軸受ユニツトの縦断正面部分
説明図である。
１，１０，２０，３０……スライドブロツク、
２，１１，１３，２１，２４，３２……スライド
ボールベアリング、３，１２，２２，２３，３１
，３３……直動型ボールベアリング、４……回動
シヤフト、５ａ，１５，２６，３５……スペーサ
ー、５ｂ，１４，２５，３４……リング状スペー
サー、６……止着リング、７……ボール、８……
保持座、９ａ……内輪、９ｂ……外輪、９ｃ……
凸条、１５……ばね、２５，３４……リング状ス
ペーサー。
FIG. 1 is a longitudinal sectional front view of a linear drive bearing unit having the most basic configuration according to this invention. 2 and 3 are a longitudinal sectional front view and a cross sectional top view of the linear drive bearing unit according to this invention. 4 and 5 are longitudinal sectional front views showing other embodiments of this invention. FIG. 6 is a longitudinal sectional front view of the direct-acting ball bearing according to this invention. FIG. 7 is a longitudinal sectional front view of a linear drive bearing unit showing one example of the slide bearing used in this invention. 1, 10, 20, 30...slide block,
2, 11, 13, 21, 24, 32...Slide ball bearing, 3, 12, 22, 23, 31
, 33... Direct-acting ball bearing, 4... Rotating shaft, 5a, 15, 26, 35... Spacer, 5b, 14, 25, 34... Ring-shaped spacer, 6... Fixing ring, 7... ...Ball, 8...
Holding seat, 9a...inner ring, 9b...outer ring, 9c...
Convex strip, 15... spring, 25, 34... ring-shaped spacer.
Claims (1)
のスライドブロツクと、前記スライドブロツクに
内蔵される２個以上の軸受とから構成され、前記
軸受のうち少なくとも１個の軸受が、その内周面
中央部に回動シヤフトに当接し得る凸条を有し、
外輪外周面が球面から形成され、かつ該軸受を回
動シヤフト軸に直交する垂直軸を回転中心として
僅かに回転させて、回動シヤフトの回転方向に同
期してスライドブロツクを水平移動させるための
ねじのリード角に相当する傾斜角を、軸受自体に
持たせてなり、また、少なくとも１個の他軸受が
スライド軸受からなることを特徴とする直線駆動
軸受ユニツト。 ２ スライドブロツク内に配置した２個のスライ
ド軸受間に、直動型軸受を少なくとも１個配置し
たことを特徴とする実用新案登録請求の範囲第１
項記載の直線駆動軸受ユニツト。 ３ スライドブロツク内に配置した２個のスライ
ド軸受間に、直動型軸受を２個配置し、かつ、そ
の回動シヤフトへの当接方向を軸心対象に配置し
たことを特徴とする実用新案登録請求の範囲第２
項記載の直線駆動軸受ユニツト。 ４ スライドブロツク内に配置した１個のスライ
ド軸受を挾み、直動型軸受を２個配置し、かつ、
その回動シヤフトへの当接方向を軸心対象に配置
したことを特徴とする実用新案登録請求の範囲第
１項記載の直線駆動軸受ユニツト。[Claims for Utility Model Registration] 1 Consisting of one slide block through which a rotating shaft having a smooth surface is inserted, and two or more bearings built into the slide block, at least one of the bearings The bearing has a protrusion in the center of its inner peripheral surface that can come into contact with the rotating shaft,
The outer circumferential surface of the outer ring is formed from a spherical surface, and the bearing is slightly rotated about a vertical axis perpendicular to the rotating shaft axis to horizontally move the slide block in synchronization with the rotating direction of the rotating shaft. A linear drive bearing unit characterized in that the bearing itself has an inclination angle corresponding to the lead angle of the screw, and at least one other bearing is a slide bearing. 2 Utility model registration claim 1 characterized in that at least one direct acting bearing is arranged between two slide bearings arranged in a slide block
Linear drive bearing unit as described in . 3. A utility model characterized in that two direct-acting type bearings are arranged between two slide bearings arranged in a slide block, and the direction of contact with the rotating shaft is arranged axially symmetrically. Scope of registration claims 2nd
Linear drive bearing unit as described in . 4 Place two direct-acting bearings between one slide bearing placed in the slide block, and
2. The linear drive bearing unit according to claim 1, wherein the direction of contact with the rotating shaft is axially symmetrical.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP17361486U JPH0317088Y2 (en) | 1986-11-11 | 1986-11-11 |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP17361486U JPH0317088Y2 (en) | 1986-11-11 | 1986-11-11 |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| JPS6378750U true JPS6378750U (en) | 1988-05-25 |
| JPH0317088Y2 JPH0317088Y2 (en) | 1991-04-11 |
Family
ID=31111239
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP17361486U Expired JPH0317088Y2 (en) | 1986-11-11 | 1986-11-11 |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPH0317088Y2 (en) |
-
1986
- 1986-11-11 JP JP17361486U patent/JPH0317088Y2/ja not_active Expired
Also Published As
| Publication number | Publication date |
|---|---|
| JPH0317088Y2 (en) | 1991-04-11 |