JPH0472873U - - Google Patents
Info
- Publication number
- JPH0472873U JPH0472873U JP10479790U JP10479790U JPH0472873U JP H0472873 U JPH0472873 U JP H0472873U JP 10479790 U JP10479790 U JP 10479790U JP 10479790 U JP10479790 U JP 10479790U JP H0472873 U JPH0472873 U JP H0472873U
- Authority
- JP
- Japan
- Prior art keywords
- rotor
- main shaft
- stepping motor
- thrust spring
- magnet
- 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
- 229910000831 Steel Inorganic materials 0.000 claims description 4
- 239000010959 steel Substances 0.000 claims description 4
- 230000037431 insertion Effects 0.000 claims description 3
- 238000003780 insertion Methods 0.000 claims description 3
- 239000000463 material Substances 0.000 claims description 3
- 230000036316 preload Effects 0.000 claims 1
Landscapes
- Connection Of Motors, Electrical Generators, Mechanical Devices, And The Like (AREA)
- Motor Or Generator Frames (AREA)
Description
第１図ａは本考案のリードスクリユー付ステツ
ピングモーターを示す断面図、第１図ｂはロータ
磁石と鋼球との間に介在する緩衝材を示す要部断
面図、第２図は従来例を示す断面図である。
１……ロータ、１１……主軸、１２……ロータ
磁石、１３……鋼球、１４……緩衝材、３……リ
ードスクリユー、６……スラストスプリング、Ａ
……間隙、Ｂ１……座ぐり、Ｃ……挿入孔。
Figure 1a is a sectional view showing the stepping motor with lead screw of the present invention, Figure 1b is a sectional view of the main part showing the buffer material interposed between the rotor magnet and the steel balls, and Figure 2 is the conventional stepping motor. It is a sectional view showing an example. 1...Rotor, 11...Main shaft, 12...Rotor magnet, 13...Steel ball, 14...Buffer material, 3...Lead screw, 6...Thrust spring, A
...Gap, B1...Spotbore, C...Insertion hole.
Claims (1)
ータ、該ロータの主軸延長上に形成されたリード
スクリユー、該リードスクリユーをその先端部お
よび主軸との中間部で支持する軸受、ならびに、
前記ロータに予圧を付加するスラストスプリング
とを備えるステツピングモーターにおいて、前記
ロータ磁石には主軸の挿入孔が形成されたうえ、
該挿入孔のスラストスプリング側の端部から離れ
た内方位置まで主軸が挿入され、かつ、前記端部
にはスラストスプリングに当接する鋼球が支持さ
れていることを特徴とするステツピングモーター
。 (2) 前記ロータのロータ磁石はプラスチツク磁
石であることを特徴とする請求項１記載のステツ
ピングモーター。 (3) ロータ磁石のスラストスプリング側の端部
には、緩衝材が鋼球との間に介在するように設け
られていることを特徴とする請求項１または２記
載のステツピングモーター。[Claims for Utility Model Registration] (1) A rotor consisting of a stator, a main shaft and a rotor magnet, a lead screw formed on an extension of the main shaft of the rotor, a lead screw at its tip and an intermediate part between the main shaft and the main shaft. bearings supported by, and
In the stepping motor including a thrust spring that applies preload to the rotor, the rotor magnet is formed with an insertion hole for the main shaft;
A stepping motor characterized in that a main shaft is inserted into the insertion hole to an inward position away from an end on the thrust spring side, and a steel ball that comes into contact with the thrust spring is supported at the end. (2) The stepping motor according to claim 1, wherein the rotor magnet of the rotor is a plastic magnet. (3) The stepping motor according to claim 1 or 2, characterized in that a buffer material is provided at the end of the rotor magnet on the thrust spring side so as to be interposed between it and the steel balls.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP10479790U JPH0472873U (en) | 1990-08-30 | 1990-10-04 |
Applications Claiming Priority (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP9109590 | 1990-08-30 | ||
| JP10479790U JPH0472873U (en) | 1990-08-30 | 1990-10-04 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| JPH0472873U true JPH0472873U (en) | 1992-06-26 |
Family
ID=31948763
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP10479790U Pending JPH0472873U (en) | 1990-08-30 | 1990-10-04 |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPH0472873U (en) |
-
1990
- 1990-10-04 JP JP10479790U patent/JPH0472873U/ja active Pending
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