JPS61165070U - - Google Patents
Info
- Publication number
- JPS61165070U JPS61165070U JP4684185U JP4684185U JPS61165070U JP S61165070 U JPS61165070 U JP S61165070U JP 4684185 U JP4684185 U JP 4684185U JP 4684185 U JP4684185 U JP 4684185U JP S61165070 U JPS61165070 U JP S61165070U
- Authority
- JP
- Japan
- Prior art keywords
- commutator
- drum
- brush
- rotating shaft
- slits
- 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
- 230000002093 peripheral effect Effects 0.000 claims 1
- 238000004519 manufacturing process Methods 0.000 description 1
Landscapes
- Motor Or Generator Current Collectors (AREA)
Description
第１図は本考案に係るドラム型コンミユテータ
の要部断面を示し、第２図の―線に沿う断面
図、第２図は、第１図に示す―線に沿う部分
矢視図、第３図は、第２図に示す―線に沿う
断面図、第４図は、第１〜３図に示すコンミユテ
ータの製造過程を示す斜視図、第５図は直流モー
タの断面図、第６図は従来のドラム型コンミユテ
ータを示す要部断面図である。
５…回転軸、６，２０…コンミユテータ、７…
アマチユア、１２…ブラシ、１４…基部、１５，
２１…整流子片、２２…スリツト、２２ａ…幅広
溝部。
Fig. 1 shows a cross-section of the main part of the drum-type commutator according to the present invention, Fig. 2 is a sectional view along the line - shown in Fig. 1, The figures are a sectional view taken along the line shown in FIG. 2, FIG. 4 is a perspective view showing the manufacturing process of the commutator shown in FIGS. 1 to 3, FIG. 5 is a sectional view of the DC motor, and FIG. FIG. 2 is a sectional view of a main part of a conventional drum-type commutator. 5... Rotating shaft, 6, 20... Commutator, 7...
amateur, 12...brush, 14...base, 15,
21...Commutator piece, 22...Slit, 22a...Wide groove portion.
Claims (1)
周面にブラシ１２が摺接して、磁界を切つて回転
するアマチユア７に電流を供給する直流モータの
ドラム型コンミユテータにおいて、前記ブラシが
摺接するコンミユテータ２０の外周面に配設され
た各整流子片２１間に形成されたスリツト２２の
溝深さを、前記回転軸５の軸線方向に変化させる
と共に、当該スリツト２２の溝幅を、前記ブラシ
５が摺接する範囲外で幅広に形成したことを特徴
とする直流モータのドラム型コンミユテータ。 In a drum-type commutator of a DC motor, which has an outer circumferential surface parallel to the rotating shaft 5, a brush 12 is in sliding contact with the outer circumferential surface, and supplies current to an armature 7 that rotates while cutting off a magnetic field. The groove depth of the slits 22 formed between the respective commutator pieces 21 disposed on the outer peripheral surface of the commutator 20 in contact with each other is changed in the axial direction of the rotating shaft 5, and the groove width of the slits 22 is changed as described above. A drum-type commutator for a DC motor, characterized in that it is wide outside the area where the brush 5 slides.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP4684185U JPS61165070U (en) | 1985-04-01 | 1985-04-01 |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP4684185U JPS61165070U (en) | 1985-04-01 | 1985-04-01 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| JPS61165070U true JPS61165070U (en) | 1986-10-13 |
Family
ID=30561613
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP4684185U Pending JPS61165070U (en) | 1985-04-01 | 1985-04-01 |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPS61165070U (en) |
-
1985
- 1985-04-01 JP JP4684185U patent/JPS61165070U/ja active Pending