JPS611767U - ball screw device - Google Patents
ball screw deviceInfo
- Publication number
- JPS611767U JPS611767U JP8620284U JP8620284U JPS611767U JP S611767 U JPS611767 U JP S611767U JP 8620284 U JP8620284 U JP 8620284U JP 8620284 U JP8620284 U JP 8620284U JP S611767 U JPS611767 U JP S611767U
- Authority
- JP
- Japan
- Prior art keywords
- thread groove
- female thread
- male thread
- axial direction
- screw device
- 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
Landscapes
- Transmission Devices (AREA)
Abstract
(57)【要約】本公報は電子出願前の出願データであるた
め要約のデータは記録されません。(57) [Summary] This bulletin contains application data before electronic filing, so abstract data is not recorded.
Description
図面は本考案のボールねじ装置の実施例を示したもので
、、第１図は一部を断面図で示したボールねじ装置の正
面図、第２図は第１図のＡ−Ａ線における矢印方向にみ
た半割りナットの平面図、第３図は第２図のＢ−Ｂ線で
一部を断面で示した側面図、第４図は第３図のＣ−Ｃ線
における要部拡大断面図である。
符号の説明、１・・・・・・ボールねじ装置、２・・・
・・・ねじ軸、３・・・・・・ナット、３ａ，３ｂ・・
・・・・半割りナット、４・・・・・・雄ねじみぞ、５
・・・・・・雌ねじみぞ、６・・・・・・鋼球、７・・
・・・・保持具、１０・・・・・・循環路、１３・・・
・・・案内ピン、１５・・・・・・逃げみそ、１６・・
・・・・ランド部。The drawings show an embodiment of the ball screw device of the present invention. FIG. 1 is a front view of the ball screw device partially shown in cross section, and FIG. 2 is a view taken along line A-A in FIG. 1. A plan view of the half-split nut as seen in the direction of the arrow, Fig. 3 is a side view showing a partial cross section along line B-B in Fig. 2, and Fig. 4 is an enlarged view of the main part taken along line C-C in Fig. 3. FIG. Explanation of symbols, 1...Ball screw device, 2...
...Screw shaft, 3...Nut, 3a, 3b...
... Half nut, 4 ... Male thread groove, 5
...Female thread groove, 6... Steel ball, 7...
...Holder, 10...Circulation path, 13...
... Guide pin, 15... Escape, 16...
...Land Department.
Claims (1)
る複数個の鋼球と、この鋼球を介して前記雄ねじみそに
螺合する雌ねじみぞを有するナットとからなるボールね
じ装置において、前記鋼球の循環路を有し、かつ前記ナ
ツ１の軸方向の面で分割して形成された少なくとも１対
の半割りナットと、前記雌ねじみぞに前記鋼球を保持し
て前記半割ナットに固設した保持具と、前記雄ねじみぞ
の谷底に設けた逃げみぞと、前記鋼球が転動する前記雌
ねじみぞから軸方向に前記雌ねじみぞの１ピッチ以上離
れたピッチ間隔位置で前記半割りナットの内面の少なく
とも１箇所に固設した案内ピンと、前記ねじ軸の軸方向
に凸状曲面で形成したランド部とを備え、前記雄ねじみ
ぞと前記雌ねじみぞとの螺合時のピツチずれを補正する
ことを特徴とするポールねじ装置。A ball screw device comprising a screw shaft having a male thread, a plurality of steel balls rolling in the male thread groove, and a nut having a female thread groove that is screwed into the male thread through the steel balls, at least one pair of half-split nuts having a circulation path for the balls and formed by being divided in the axial direction surface of the nut 1; and the steel balls are held in the female thread grooves and fixed to the half-split nuts. a holder provided therein, an escape groove provided at the bottom of the male thread groove, and a pitch interval position of the female thread groove at least one pitch apart in the axial direction from the female thread groove in which the steel ball rolls. The screw shaft includes a guide pin fixed to at least one location on the inner surface and a land portion formed with a convex curved surface in the axial direction of the screw shaft, and corrects pitch deviation when the male thread groove and the female thread groove are screwed together. A pole screw device featuring:
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP8620284U JPS611767U (en) | 1984-06-12 | 1984-06-12 | ball screw device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP8620284U JPS611767U (en) | 1984-06-12 | 1984-06-12 | ball screw device |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| JPS611767U true JPS611767U (en) | 1986-01-08 |
| JPS6333002Y2 JPS6333002Y2 (en) | 1988-09-02 |
Family
ID=30637289
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP8620284U Granted JPS611767U (en) | 1984-06-12 | 1984-06-12 | ball screw device |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPS611767U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2016176507A (en) * | 2015-03-19 | 2016-10-06 | Thk株式会社 | Ball screw device and nut member |
-
1984
- 1984-06-12 JP JP8620284U patent/JPS611767U/en active Granted
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2016176507A (en) * | 2015-03-19 | 2016-10-06 | Thk株式会社 | Ball screw device and nut member |
Also Published As
| Publication number | Publication date |
|---|---|
| JPS6333002Y2 (en) | 1988-09-02 |
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