JPH0340855U - - Google Patents
Info
- Publication number
- JPH0340855U JPH0340855U JP10256889U JP10256889U JPH0340855U JP H0340855 U JPH0340855 U JP H0340855U JP 10256889 U JP10256889 U JP 10256889U JP 10256889 U JP10256889 U JP 10256889U JP H0340855 U JPH0340855 U JP H0340855U
- Authority
- JP
- Japan
- Prior art keywords
- ball bearing
- balls
- support parts
- rotating shaft
- fitted
- 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
- 230000001133 acceleration Effects 0.000 description 3
- 239000011324 bead Substances 0.000 description 3
Description
第１図ないし第４図はこの考案の一実施例を示
し、第１図は要部の断面図、第２図は小型モータ
の全体の構造を示す断面図、第３図はボールベア
リングのはめ合いのクリアランスと振動加速度と
の関係を示すグラフ図、第４図はボールベアリン
グを支持するビードの数と振動加速度との関係を
示すグラフ図、第５図はこの考案の他の実施例に
おける要部の断面図、第６図は従来の小型モータ
の断面図、第７図はその小型モータにおけるボー
ルベアリングのはめ合いのクリアランスと振動加
速度との関係を示すグラフ図である。
１……ハウジング、３……ボールベアリング、
４……回転軸、１１……ボール、１６……ビード
（支持部）。
Figures 1 to 4 show an embodiment of this invention, with Figure 1 being a cross-sectional view of the main parts, Figure 2 being a cross-sectional view showing the overall structure of the small motor, and Figure 3 showing the fit of the ball bearing. FIG. 4 is a graph showing the relationship between the number of beads supporting the ball bearing and vibration acceleration, and FIG. 5 is a graph showing the relationship between the number of beads supporting the ball bearing and vibration acceleration. FIG. FIG. 6 is a cross-sectional view of a conventional small motor, and FIG. 7 is a graph showing the relationship between the fitting clearance of a ball bearing and vibration acceleration in the small motor. 1...Housing, 3...Ball bearing,
4... Rotating shaft, 11... Ball, 16... Bead (supporting part).
Claims (1)
アリングを収納し、このボールベアリングで回転
軸を支持したものにおいて、前記ハウジングをプ
ラスチツクで形成し、このハウジングの内孔の周
面に、前記ボールベアリングの外周面を、その軸
方向沿いの線接触により支持する複数の支持部を
前記内孔の周方向に沿つて均等的に設け、これら
支持部の数が前記ボールベアリングのボール数を
Ｎとしたときに、Ｎ±１を除く数であることを特
徴とする小型モータの軸受装置。 A ball bearing is fitted into a cylindrical housing and a rotating shaft is supported by the ball bearing. A plurality of support parts supporting the surface by line contact along the axial direction are provided uniformly along the circumferential direction of the inner hole, and the number of these support parts is equal to the number of balls of the ball bearing, when N is the number of balls of the ball bearing. , N±1.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP10256889U JPH0340855U (en) | 1989-08-31 | 1989-08-31 |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP10256889U JPH0340855U (en) | 1989-08-31 | 1989-08-31 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| JPH0340855U true JPH0340855U (en) | 1991-04-19 |
Family
ID=31651462
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP10256889U Pending JPH0340855U (en) | 1989-08-31 | 1989-08-31 |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPH0340855U (en) |
-
1989
- 1989-08-31 JP JP10256889U patent/JPH0340855U/ja active Pending