JPH02125563U - - Google Patents
Info
- Publication number
- JPH02125563U JPH02125563U JP3359189U JP3359189U JPH02125563U JP H02125563 U JPH02125563 U JP H02125563U JP 3359189 U JP3359189 U JP 3359189U JP 3359189 U JP3359189 U JP 3359189U JP H02125563 U JPH02125563 U JP H02125563U
- Authority
- JP
- Japan
- Prior art keywords
- bearing
- shaft
- ball bearings
- motor
- 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.)
- Pending
Links
- 230000036316 preload Effects 0.000 claims description 2
- 238000004804 winding Methods 0.000 claims 1
- 238000010586 diagram Methods 0.000 description 1
Landscapes
- Motor Or Generator Frames (AREA)
Description
第１図乃至第３図は本考案のモータの軸受装置
の一実施例を示す図で、第１図は本考案のモータ
の軸受装置をブラシレスモータとともに示す縦断
面図、第２図は軸受装置の要部縦断面図、第３図
Ａ及びＢは本考案に用いられる軸受ハウジングと
側圧付加部材の形状及び配置を示す半断斜視図及
び半断面図、第４図は従来の軸受装置の一例を示
す断面図、第５図は従来のブラケツトの平面図で
ある。
１……シヤフト、３，５，３３……ボールベア
リング、７……予圧用コイルバネ、９……軸受ハ
ウジング、９ａ……凹溝、１０……側圧付加部材
（コイルバネ）、３ａ，５ａ……外輪、３０……
板バネ、３５ａ……凹部。
1 to 3 are diagrams showing an embodiment of the motor bearing device of the present invention. FIG. 1 is a vertical sectional view showing the motor bearing device of the present invention together with a brushless motor, and FIG. 2 is a bearing device. 3A and 3B are a half-sectional perspective view and a half-sectional view showing the shape and arrangement of the bearing housing and the side pressure applying member used in the present invention, and FIG. 4 is an example of a conventional bearing device. FIG. 5 is a plan view of a conventional bracket. 1...Shaft, 3,5,33...Ball bearing, 7...Coil spring for preload, 9...Bearing housing, 9a...Concave groove, 10...Side pressure adding member (coil spring), 3a, 5a...Outer ring , 30...
Leaf spring, 35a... recess.
Claims (1)
アリングと、 これら二個のボールベアリング間に配置された
予圧用コイルバネと、 前記二個のボールベアリングの一方のボールベ
アリングの外輪が固定され、他方のボールベアリ
ングの外輪が対向する位置に環状の凹溝が形成さ
れた軸受ハウジングと、 前記凹溝内に配置された側圧付加部材と、 を備えたモータの軸受装置。 (2) 前記二個のボールベアリングが、前記シヤ
フト自体を内輪とするシヤフト一体型ボールベア
リングである請求項(1)記載のモータの軸受装置
。 (3) 前記側圧付加部材が、巻軸方向を円周方向
に向けて配置されたコイルバネである請求項(1)
又は(2)記載のモータの軸受装置。[Claims for Utility Model Registration] (1) A shaft, two ball bearings whose inner rings are fixed to the shaft, a preload coil spring disposed between these two ball bearings, and the two balls. A bearing housing in which an outer ring of one ball bearing of the bearing is fixed and an annular groove is formed at a position where the outer ring of the other ball bearing faces, and a lateral pressure adding member disposed in the groove. Bearing device for motor. (2) The motor bearing device according to claim (1), wherein the two ball bearings are shaft-integrated ball bearings having the shaft itself as an inner ring. (3) Claim (1) wherein the lateral pressure applying member is a coil spring arranged with its winding axis directed in the circumferential direction.
Or the motor bearing device described in (2).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP3359189U JPH02125563U (en) | 1989-03-24 | 1989-03-24 |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP3359189U JPH02125563U (en) | 1989-03-24 | 1989-03-24 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| JPH02125563U true JPH02125563U (en) | 1990-10-16 |
Family
ID=31537370
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP3359189U Pending JPH02125563U (en) | 1989-03-24 | 1989-03-24 |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPH02125563U (en) |
-
1989
- 1989-03-24 JP JP3359189U patent/JPH02125563U/ja active Pending