JPS62127511A - Slide rotary bearing - Google Patents
Slide rotary bearingInfo
- Publication number
- JPS62127511A JPS62127511A JP26809085A JP26809085A JPS62127511A JP S62127511 A JPS62127511 A JP S62127511A JP 26809085 A JP26809085 A JP 26809085A JP 26809085 A JP26809085 A JP 26809085A JP S62127511 A JPS62127511 A JP S62127511A
- Authority
- JP
- Japan
- Prior art keywords
- holding
- cylinder
- ring body
- outer cylinder
- ball
- 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
- Bearings For Parts Moving Linearly (AREA)
Abstract
Description
【発明の詳細な説明】
〔産業上の利用分野〕
本発明は回転運動及び直線運動を受け得るスライドロー
タリベアリングに関するものである。DETAILED DESCRIPTION OF THE INVENTION [Field of Industrial Application] The present invention relates to a sliding rotary bearing capable of receiving rotational and linear motion.
従来この種のスライドロータリベアリングはあまり知ら
れておらず、玉、ころ軸受及びスライド軸受の複合構造
が採用されている。Conventionally, this type of slide rotary bearing has not been well known, and a composite structure of ball, roller bearings, and slide bearings has been adopted.
しかしながら近年の自動化設計によってたとえばロボッ
トアームの軸受には不可欠な機構要素のためその普及か
強く要望されている。However, due to recent automated design, there is a strong demand for its widespread use, as it is an essential mechanical element for bearings in robot arms, for example.
本発明はこれらの要望を満足することを目的とするもの
で、その要旨は、回転運動及び直線運動を受け得るベア
リングであって、軸受すべき軸部材の外周面に接触して
直線運動案内する複数個の環状ボール列の活ポール部を
保持する保持孔を有する保持内筒と、該環状ボール列の
逃げボール部を保持する保持溝及びコロ部材を保持する
貫通孔を有ずろ保持外筒と、該保持内筒と該保持外筒と
の間に回転可能に介在される内輪体と、該保持外筒の外
周に回転可能に設けられた外輪体と、該環状ボール列の
両端部の折り返し部を保持する折返溝を存する側部材と
で構成したことを特徴とするスライドロータリヘアリン
グにある。The present invention aims to satisfy these demands, and its gist is a bearing capable of receiving rotational motion and linear motion, which guides the linear motion by contacting the outer peripheral surface of a shaft member to be supported. an inner holding cylinder having holding holes for holding the active pole parts of the plurality of annular ball rows; a holding groove for holding the escape ball parts of the annular ball rows; and a sliding holding outer cylinder having through holes for holding the roller members. , an inner ring body rotatably interposed between the holding inner cylinder and the holding outer cylinder, an outer ring body rotatably provided on the outer periphery of the holding outer cylinder, and folding of both ends of the annular ball row. and a side member having a folded groove for holding the part.
直線運動の軸受作用は環状ボール列により成され、回転
運動の軸受作用はコロ部材によって成される。The bearing action for linear motion is performed by the annular ball array, and the bearing action for rotational motion is performed by the roller members.
第1図乃至第4図は本発明の好適な実施例を示し、第1
図乃至第3図は第1実施例、第4図は第2実施例である
。1 to 4 show preferred embodiments of the present invention;
3 to 3 show the first embodiment, and FIG. 4 shows the second embodiment.
第1図乃至第3図の第1実施例において、1は軸受すべ
き軸部材、2は複数個の環状ボール列であって、この場
合6組用いられている。In the first embodiment shown in FIGS. 1 to 3, 1 is a shaft member to be supported, and 2 is a plurality of annular ball rows, in which six sets are used.
3は保持内筒であって、保持内筒3には環状ボール列2
の活ポール部4を保持する保持孔5か6個形成され、保
持孔5の内側の開口はポール6が離脱しないようにポー
ル6の外径よりも小さくてかつ軸部材1にポール6が接
触可能な形状にしである。3 is a holding inner cylinder, and the holding inner cylinder 3 has an annular ball row 2.
5 or 6 holding holes 5 or 6 are formed to hold the active pole part 4, and the inner opening of the holding hole 5 is smaller than the outer diameter of the pole 6 so that the pole 6 does not come off, and the pole 6 comes into contact with the shaft member 1. This is a possible shape.
7は保持外筒であって、保持外筒7には環状ボール列2
の逃げポール部8を保持する6個の保持溝9及びコロ部
材lOを保持する6個の貫通孔11を形成している。7 is a holding outer cylinder, and the holding outer cylinder 7 has an annular ball row 2.
Six holding grooves 9 for holding the relief pole portion 8 and six through holes 11 for holding the roller member IO are formed.
12は内輪体であって、内輪体12は保持内筒3と保持
外筒7との間に回転可能に介在される。12 is an inner ring body, and the inner ring body 12 is rotatably interposed between the holding inner cylinder 3 and the holding outer cylinder 7.
13は外輪体であって、保持外筒7の外周に回転可能に
設けられている。Reference numeral 13 denotes an outer ring body, which is rotatably provided on the outer periphery of the holding outer cylinder 7.
14は1対の側部材であって、側部材14の内面には原
状ホール列2の折り返し部15を保持するU状の折返溝
I6が形成され、かつ側部材14の内面には数個の位置
決めビン17が突出され、保持内筒3及び保持外筒7に
位置決めビン17に嵌合する位置決め孔18を設け、位
置決めビン17と位置決め孔18との嵌合によって保持
孔5、保持溝9及び折返溝16とを位置決めし、かつ保
持内筒3と保持外筒7とを一体化し、外輪体13の内周
面に止め輪19を嵌着して両方の側部材14を止めてい
る。Reference numeral 14 denotes a pair of side members, and the inner surface of the side member 14 is formed with a U-shaped folding groove I6 for holding the folded portion 15 of the original hole row 2, and the inner surface of the side member 14 has several grooves. The positioning pin 17 is protruded, and the holding inner cylinder 3 and the holding outer cylinder 7 are provided with a positioning hole 18 that fits into the positioning pin 17. By fitting the positioning pin 17 and the positioning hole 18, the holding hole 5, the holding groove 9 and The folding groove 16 is positioned, the holding inner cylinder 3 and the holding outer cylinder 7 are integrated, and a retaining ring 19 is fitted to the inner peripheral surface of the outer ring body 13 to stop both side members 14.
この第1実施例は上記構成であるから、たとえば軸部材
lが直線運動するとき環状ボール列2は循環しつつ活ボ
ール部4によって軸受でき、軸部材lが回転運動すると
きコロ部材10によって軸受でき、直線運動及び回転運
動を受けることができかつ全体形状を小型化でき、特に
内輪体12は保持内筒3及び保持外筒7に対して回転可
能なため環状ボール列2及びコロ部材10による軸受作
用が円滑にできる。Since this first embodiment has the above-mentioned configuration, for example, when the shaft member l moves linearly, the annular ball row 2 can be rotated and supported by the live ball portion 4, and when the shaft member l moves rotationally, it can be supported by the roller members 10. The inner ring body 12 can be rotated with respect to the holding inner cylinder 3 and the holding outer cylinder 7, so that the inner ring body 12 can be rotated with respect to the holding inner cylinder 3 and the holding outer cylinder 7. Bearing action can be performed smoothly.
第4図の第2実施例は活ボール部4と同一放射線上にコ
ロ部材10を配置し、逃げボール部8を側方にずらした
構造のものを図示している。The second embodiment shown in FIG. 4 shows a structure in which the roller member 10 is arranged on the same line as the live ball part 4, and the escape ball part 8 is shifted laterally.
この第2実施例についても第1実施例と同様の作用効果
を得ることができるとともに活ボール部4にかかるラジ
アル荷重を内輪体12を介して同一線上てコロ部材10
によって受けることかできる。In this second embodiment as well, the same effects as in the first embodiment can be obtained, and the radial load applied to the live ball portion 4 is transferred to the roller member 10 in the same line through the inner ring body 12.
It can be received by
尚、外輪体13が直線及び回転運動する場合にも同様の
作用効果を得ることができる。Note that similar effects can be obtained when the outer ring body 13 moves linearly and rotationally.
また、本実施例では保持内筒3と保持外筒7とを一体化
するため位置決めビン17を用いているが、他の結合構
造ら適用でき、ま1こ一方の側部材14と保持内筒3、
保持外筒7をプラスチック形成にょて一体に形成しても
よい。Further, in this embodiment, the positioning pin 17 is used to integrate the holding inner cylinder 3 and the holding outer cylinder 7, but other coupling structures can be applied. 3,
The holding outer cylinder 7 may be integrally formed by plastic molding.
また、環状ボール列2及びコロ部材1oの数世は所望の
負荷容量によって可変設計されるものであり、またたと
えば環状ボール列2と隣る環状ボール列2との間に数個
のコロ部材loを配置することらある。Further, the number of the annular ball rows 2 and the roller members 1o is variably designed depending on the desired load capacity. There are also cases where you can place
本発明は上述の如く、たとえば軸部材が直線連動すると
き環状ボール列は循環cつつ活ポール部によって軸受で
き、軸に、材が回転運動するときコロ部材によって軸受
でき、直線運動及び回転運動を受けることができ、かつ
全体形状を小型化でき特に内輪体は保持内筒及び保持外
筒に対して回転可能なため環状ボール列及びコロ部材に
よる軸受作用が円、骨にで、きる。As described above, for example, when the shaft member linearly interlocks, the annular ball array can be supported by the active pole part while circulating, and when the material rotates on the shaft, it can be supported by the roller member, so that the shaft member can perform linear and rotational motion. In particular, since the inner ring body is rotatable relative to the holding inner cylinder and the holding outer cylinder, the bearing action by the annular ball array and roller members can be performed in a circular and bone manner.
っ 以上、所期の目的を充分達成ずろことができる。With the above, the intended purpose can be fully achieved.
図面は本発明の一実施例を示すもので、第1図は第1実
施例の分解斜視図、第2図はその!a断面図、第3図は
その横断面図、第4図:よ第2実施例の唱断面図である
。
l・・軸部材、2・・環状ボール7(1,3・・保持内
筒、4・・活ボール部、5・・保持孔、7・・保持外筒
、8・・逃げボール部、9・・保持溝、lO・・コロ部
材、11・・貫通孔、[2・・内輪体、]3・・外輪体
、14・・側部材、15・・折り返し部、16・・折返
溝。
パ2/9A
ブク〃
/75を2The drawings show one embodiment of the present invention; FIG. 1 is an exploded perspective view of the first embodiment, and FIG. 2 is an exploded perspective view of the first embodiment. 3 is a cross-sectional view thereof, and FIG. 4 is a cross-sectional view of the second embodiment. L... Shaft member, 2... Annular ball 7 (1, 3... Holding inner cylinder, 4... Live ball part, 5... Holding hole, 7... Holding outer cylinder, 8... Relief ball part, 9 ...Retaining groove, lO...Roller member, 11...Through hole, [2...Inner ring body,] 3...Outer ring body, 14...Side member, 15...Folding part, 16...Folding groove. 2/9A Book /75 2
Claims (1)
軸受すべき軸部材の外周面に接触して直線運動案内する
複数個の環状ボール列の活ボール部を保持する保持孔を
有する保持内筒と、該環状ボール列の逃げボール部を保
持する保持溝及びコロ部材を保持する貫通孔を有する保
持外筒と、該保持内筒と該保持外筒との間に回転可能に
介在される内輪体と、該保持外筒の外周に回転可能に設
けられた外輪体と、該環状ボール列の両端部の折り返し
部を保持する折返溝を有する側部材とで構成したことを
特徴とするスライドロータリベアリング。A bearing capable of receiving rotational motion and linear motion,
A holding inner cylinder having a holding hole that holds the active ball portions of a plurality of annular ball rows that contact the outer circumferential surface of the shaft member to be supported and guide the linear motion, and a holder that holds the relief ball portions of the annular ball rows. A holding outer cylinder having a groove and a through hole for holding a roller member, an inner ring body rotatably interposed between the holding inner cylinder and the holding outer cylinder, and a rotatably provided on the outer periphery of the holding outer cylinder. 1. A slide rotary bearing comprising: a circular outer ring body; and a side member having folded grooves for holding folded portions at both ends of the annular ball row.
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP26809085A JPS62127511A (en) | 1985-11-28 | 1985-11-28 | Slide rotary bearing |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP26809085A JPS62127511A (en) | 1985-11-28 | 1985-11-28 | Slide rotary bearing |
Publications (2)
Publication Number | Publication Date |
---|---|
JPS62127511A true JPS62127511A (en) | 1987-06-09 |
JPS6311535B2 JPS6311535B2 (en) | 1988-03-15 |
Family
ID=17453748
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
JP26809085A Granted JPS62127511A (en) | 1985-11-28 | 1985-11-28 | Slide rotary bearing |
Country Status (1)
Country | Link |
---|---|
JP (1) | JPS62127511A (en) |
Cited By (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPH0384215A (en) * | 1989-08-24 | 1991-04-09 | Nippon Bearing Kk | Slide rotary bearing |
-
1985
- 1985-11-28 JP JP26809085A patent/JPS62127511A/en active Granted
Cited By (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPH0384215A (en) * | 1989-08-24 | 1991-04-09 | Nippon Bearing Kk | Slide rotary bearing |
Also Published As
Publication number | Publication date |
---|---|
JPS6311535B2 (en) | 1988-03-15 |
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