JPS58108648U - Ball screw preload device - Google Patents
Ball screw preload deviceInfo
- Publication number
- JPS58108648U JPS58108648U JP505082U JP505082U JPS58108648U JP S58108648 U JPS58108648 U JP S58108648U JP 505082 U JP505082 U JP 505082U JP 505082 U JP505082 U JP 505082U JP S58108648 U JPS58108648 U JP S58108648U
- Authority
- JP
- Japan
- Prior art keywords
- ball screw
- preload device
- ball
- screw preload
- nut
- 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
図面は本考案の実施例を示し、第１図はボールねじの要
部の縦断面図、第２図は傾斜凹溝の拡大平面図、第３図
は他の★施例を示すボールねじの要部の縦断面図である
。
符号の説明、１：ねじ軸、２：ボール、３，４：ナツト
、５ニブラケツト、６：鋼球、？、ＩＴ：加圧リング、
８：加圧ばね、９，１９：加圧ナツト、１８：加圧リン
グ返しばね、２０：止めナツト、２１：流体通路、２２
，２３：密封部材、２４：空間、２５：方向切替弁、２
６：圧力流体源、３１．４１：傾斜凹溝。The drawings show an embodiment of the present invention; Fig. 1 is a longitudinal sectional view of the main parts of the ball screw, Fig. 2 is an enlarged plan view of the inclined groove, and Fig. 3 is a ball screw showing another embodiment. FIG. Explanation of symbols: 1: screw shaft, 2: ball, 3, 4: nut, 5 nib bracket, 6: steel ball, ? , IT: Pressure ring,
8: Pressure spring, 9, 19: Pressure nut, 18: Pressure ring return spring, 20: Stopping nut, 21: Fluid passage, 22
, 23: Sealing member, 24: Space, 25: Direction switching valve, 2
6: Pressure fluid source, 31.41: Slanted groove.
Claims (2)
ツトを有するボールねじにおいて、前記ナツトの対向す
る端面番トナット外面側が大径となる断面が円弧状の傾
斜凹溝を対向させ且放射状に複数組設け、前記対向する
傾斜凹溝に鋼球を夫々嵌合し、一方のナツトに前記鋼球
番前記対向する傾斜凹溝内に押し込みが可能で調整が容
易な加圧装置を設けたことを特徴とするボールねじの予
圧装置。(1) In a ball screw having two nuts fitted to a screw shaft through a large number of balls, opposing end faces of the nuts have opposing inclined concave grooves with arcuate cross-sections and a larger diameter on the outer surface of the nut. In addition, a plurality of sets are provided radially, steel balls are fitted into the opposing inclined grooves, and one nut is provided with a pressurizing device that can push the steel ball number into the opposing inclined grooves and is easy to adjust. A ball screw preload device characterized by being provided with a ball screw preload device.
グを隋時作動・不作動の状態に切替可能とした作動装置
を含むことを特徴とする実用新案登録請求の範囲第１項
記載のボールねじの予圧装置。 ゛(2) The utility model according to claim 1, wherein the pressurizing device includes an actuating device that can switch the pressurizing ring that presses the steel ball between an activated state and a deactivated state when the steel ball is pressed. Ball screw preload device.゛
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP505082U JPS58108648U (en) | 1982-01-20 | 1982-01-20 | Ball screw preload device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP505082U JPS58108648U (en) | 1982-01-20 | 1982-01-20 | Ball screw preload device |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| JPS58108648U true JPS58108648U (en) | 1983-07-23 |
| JPS6128123Y2 JPS6128123Y2 (en) | 1986-08-21 |
Family
ID=30017864
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP505082U Granted JPS58108648U (en) | 1982-01-20 | 1982-01-20 | Ball screw preload device |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPS58108648U (en) |
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2010112528A (en) * | 2008-11-10 | 2010-05-20 | Ntn Corp | Ball screw |
| JP5991433B2 (en) * | 2013-06-05 | 2016-09-14 | 日本精工株式会社 | Ball screw |
| JP2017082997A (en) * | 2015-10-30 | 2017-05-18 | 日本精工株式会社 | Preload restoration device of ball screw |
| JP2020070886A (en) * | 2018-10-31 | 2020-05-07 | 日本精工株式会社 | Ball screw device |
-
1982
- 1982-01-20 JP JP505082U patent/JPS58108648U/en active Granted
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2010112528A (en) * | 2008-11-10 | 2010-05-20 | Ntn Corp | Ball screw |
| JP5991433B2 (en) * | 2013-06-05 | 2016-09-14 | 日本精工株式会社 | Ball screw |
| JP2017082997A (en) * | 2015-10-30 | 2017-05-18 | 日本精工株式会社 | Preload restoration device of ball screw |
| JP2020070886A (en) * | 2018-10-31 | 2020-05-07 | 日本精工株式会社 | Ball screw device |
Also Published As
| Publication number | Publication date |
|---|---|
| JPS6128123Y2 (en) | 1986-08-21 |
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