JPH01180848U - - Google Patents
Info
- Publication number
- JPH01180848U JPH01180848U JP7087688U JP7087688U JPH01180848U JP H01180848 U JPH01180848 U JP H01180848U JP 7087688 U JP7087688 U JP 7087688U JP 7087688 U JP7087688 U JP 7087688U JP H01180848 U JPH01180848 U JP H01180848U
- Authority
- JP
- Japan
- Prior art keywords
- commutator
- bearing device
- rotating shaft
- electric motor
- washer
- 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
- 239000004519 grease Substances 0.000 claims description 2
- XAGFODPZIPBFFR-UHFFFAOYSA-N aluminium Chemical compound [Al] XAGFODPZIPBFFR-UHFFFAOYSA-N 0.000 claims 1
- 229910052782 aluminium Inorganic materials 0.000 claims 1
- 239000000463 material Substances 0.000 claims 1
- 239000011347 resin Substances 0.000 claims 1
- 229920005989 resin Polymers 0.000 claims 1
- 239000007858 starting material Substances 0.000 description 3
Landscapes
- Motor Or Generator Frames (AREA)
- Connection Of Motors, Electrical Generators, Mechanical Devices, And The Like (AREA)
- Dc Machiner (AREA)
Description
第１図はこの考案の一実施例による電動機の軸
受装置を示すスタータモータの要部断面図、第２
図はこの考案の他の実施例による電動機の軸受装
置を示すスタータモータの要部断面図、第３図は
従来の電動機の軸受装置を示すスタータモータの
要部断面図である。
１……直流電動機、３……電機子回転軸、５…
…コンミテータ、５ａ……スラスト受部、８……
リヤブラケツト、８ａ……端面、９，１０，１５
……ワツシヤ、１４……グリス溜め。なお、図中
同一符号は同一または相当部分を示す。
FIG. 1 is a cross-sectional view of a main part of a starter motor showing a bearing device for an electric motor according to an embodiment of this invention, and FIG.
FIG. 3 is a sectional view of a main part of a starter motor showing a bearing device for an electric motor according to another embodiment of the present invention, and FIG. 3 is a sectional view of a main part of a starter motor showing a conventional bearing device for an electric motor. 1... DC motor, 3... Armature rotating shaft, 5...
... Commutator, 5a... Thrust receiver, 8...
Rear bracket, 8a... end face, 9, 10, 15
...Washiya, 14...Grease reservoir. Note that the same reference numerals in the figures indicate the same or corresponding parts.
Claims (1)
ータの内周側に位置しかつ該コンミテータの内周
部後端面にその一方の面が当接し、他方の面がリ
ヤブラケツト端面に当接するワツシヤを備え、前
記電機子回転軸のスラスト荷重を軸承する電動機
の軸受装置において、前記ワツシヤの一方の面と
前記コンミテータの内周面および前記電機子回転
軸とで区画される空間部を形成し、この空間部を
グリス溜めとしたことを特徴とする電動機の軸受
装置。 (2) 電機子回転軸と一体に固定されたコンミテ
ータの内周側に位置しかつ該コンミテータの内周
部後端面とアルミまたは樹脂からなるリヤブラケ
ツトの端面との間にこれらに当接するよう複数枚
のワツシヤが設けられ、前記電機子回転軸のスラ
スト荷重を軸承する電動機の軸受装置において、
前記複数枚のワツシヤのうちリヤブラケツトに当
接するワツシヤを前記コンミテータに当接するワ
ツシヤより硬度が低くかつ含油性を有する部材で
形成したことを特徴とする電動機の軸受装置。[Claims for Utility Model Registration] (1) A commutator that is located on the inner circumferential side of a commutator that is fixed integrally with the armature rotating shaft, one surface of which is in contact with the rear end surface of the inner circumferential portion of the commutator, and the other surface of the commutator that is A bearing device for an electric motor includes a washer that contacts an end surface of the rear bracket and bears a thrust load of the armature rotating shaft, the bearing device being partitioned by one surface of the washer, an inner circumferential surface of the commutator, and the armature rotating shaft. 1. A bearing device for an electric motor, characterized in that a space is formed, and the space is used as a grease reservoir. (2) A plurality of brackets are located on the inner circumference side of the commutator which is fixed integrally with the armature rotating shaft, and are arranged between the rear end surface of the inner circumference of the commutator and the end surface of the rear bracket made of aluminum or resin so as to come into contact with them. In a bearing device for an electric motor, the bearing device is provided with two washers and supports the thrust load of the armature rotating shaft,
A bearing device for an electric motor, wherein the washer that contacts the rear bracket among the plurality of washers is made of a material that is less hard and has oil-retaining properties than the washer that contacts the commutator.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP7087688U JPH01180848U (en) | 1988-05-26 | 1988-05-26 |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP7087688U JPH01180848U (en) | 1988-05-26 | 1988-05-26 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| JPH01180848U true JPH01180848U (en) | 1989-12-26 |
Family
ID=31296094
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP7087688U Pending JPH01180848U (en) | 1988-05-26 | 1988-05-26 |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPH01180848U (en) |
-
1988
- 1988-05-26 JP JP7087688U patent/JPH01180848U/ja active Pending