JPH03117343U

JPH03117343U -

Info

Publication number: JPH03117343U
Application number: JP1990098566U
Authority: JP
Priority date: 1989-09-22
Filing date: 1990-09-21
Publication date: 1991-12-04
Anticipated expiration: 2005-09-21
Also published as: JPH0744878U; FR2652458A3; JP2574338Y2; DE8911295U1; JP2564664Y2; FR2652458B3

Description

[Brief explanation of the drawing]

第１図は三相発電機と、スリツプリング室を密
封する第１実施例としてのプラスチツクスリーブ
の縦断面図、第２図は第１図に示した三相発電機
のプラスチツクスリーブを第３図の−線に沿
つて断面した縦断面図、第３図は同プラスチツク
スリーブの正面図、第４図は第２実施例として示
した三相発電機のカバーキヤツプに一体成形され
たプラスチツクスリーブを第５図の−線に沿
つて断面した縦断面図、第５図は第４図に示した
プラスチツクスリーブの正面図、第６図は第３実
施例として示した三相発電機の整流子ユニツトの
接続板に一体成形されたプラスチツクスリーブの
正面図、第７図は第６図のＡ−Ａ線に沿つた断面
図、第８図は軸受部位に固定されたリング壁によ
つてカバーされたプラスチツクスリーブの軸受寄
り端部を示す図、第９図はブラシ保持器収容開口
にパツキンカラーを有するプラスチツクスリーブ
を示す図、第１０図は第９図のＸ−Ｘ線に沿つた
断面図である。１０……固定子、１１……固定子巻線、１２，
１３……ケーシング外殻、１４……ねじ、１５，
１６……ひじ軸受台、Ａ……駆動側、Ｂ……ブラ
シ側、１７……駆動軸受、１８……スリツプリン
グ寄り軸受、１９……クロー・ポール形回転子、
２０，２１……クロー・ポール円板、２２……磁
束案内片、２３……界磁巻線、２４……回転子軸
、２５……ねじ山部、２６，２７……通風円板、
２８，２９……スリツプリング、３０……接続部
、３１……リード線端部、３２……整流子ユニツ
ト、３２ａ……接続板、３３……ねじ、３４……
ブラシ保持器、３５……電圧調整器、３６，３６
ａ……カバーキヤツプ、３７……電気接続部、３
８……スリツプリング室、３９……プラスチツク
スリーブ、３９ａ……外端部、３９ｂ……内端部
、４０……開口、４１……シールリング、４２…
…切欠き、４３……軸受嵌合リング、４４……リ
ング壁、４５……プラスチツクスリーブ、４６…
…凹設部、４７……プラスチツクスリーブ、４７
ａ……端部、４７ｂ……内端部、４８……内孔、
４９……開口、５０……環状エアギヤツプ、５１
……リング状のリツプ、５２……軸受嵌合リング
、５３……カラー。 Fig. 1 is a vertical cross-sectional view of a three-phase generator and a plastic sleeve as a first embodiment for sealing the slip spring chamber, and Fig. 2 is a longitudinal sectional view of the plastic sleeve of the three-phase generator shown in Fig. 1. FIG. 3 is a front view of the same plastic sleeve, and FIG. 4 is a vertical cross-sectional view taken along the line -. 5 is a longitudinal sectional view taken along the line - in FIG. 5, FIG. 5 is a front view of the plastic sleeve shown in FIG. 4, and FIG. Front view of the plastic sleeve integrally molded on the connecting plate; FIG. 7 is a sectional view along the line A--A in FIG. 6; FIG. 9 is a view showing the end of the sleeve closer to the bearing, FIG. 9 is a view showing a plastic sleeve having a packing collar in the brush holder receiving opening, and FIG. 10 is a cross-sectional view taken along the line X--X in FIG. 9. 10... Stator, 11... Stator winding, 12,
13...Casing outer shell, 14...Screw, 15,
16...Elbow bearing stand, A...drive side, B...brush side, 17...drive bearing, 18...slip spring bearing, 19...claw pole rotor,
20, 21... Claw pole disk, 22... Magnetic flux guide piece, 23... Field winding, 24... Rotor shaft, 25... Threaded portion, 26, 27... Ventilation disk,
28, 29... Slip ring, 30... Connection portion, 31... Lead wire end, 32... Commutator unit, 32a... Connection plate, 33... Screw, 34...
Brush holder, 35... Voltage regulator, 36, 36
a...Cover cap, 37...Electrical connection part, 3
8...Slip ring chamber, 39...Plastic sleeve, 39a...Outer end, 39b...Inner end, 40...Opening, 41...Seal ring, 42...
... Notch, 43 ... Bearing fitting ring, 44 ... Ring wall, 45 ... Plastic sleeve, 46 ...
...Recessed portion, 47...Plastic sleeve, 47
a... End part, 47b... Inner end part, 48... Inner hole,
49... Opening, 50... Annular air gap, 51
...Ring-shaped lip, 52...Bearing fitting ring, 53...Collar.

Claims

[Claims for Utility Model Registration] 1. The slip-spring chamber is equipped with a claw-pole armature having a field winding powered by carbon brushes through a slip-ring unit sealed by a plastic sleeve. A three-phase bicycle generator, wherein the plastic sleeve is attached to a stationary part of the generator, such as an armature bearing casing shell, a commutator unit, or a cover cap, and for accommodating a brush holder. In the version with a sealed opening, a plastic sleeve 39, 45, 47 is arranged on the free end of the rotor shaft 24 behind the slip-ring offset bearing 18.
.
at least one vent 42 in front of the bearing section of the
50. A three-phase generator for an automobile, characterized in that it has a 2. In front of the bearing area of the claw-pole rotor 19, a plastic sleeve 39 has a plurality of circumferentially distributed cutouts 42 as ventilation holes and is fitted with a ring wall 44 molded in one piece. Claim 1, which covers the ring-biased bearing 18.
Three-phase generator as described. 3. Three-phase generator according to claim 2, characterized in that the plurality of cutouts (42) in the plastic sleeve (39) extend into an integrally molded ring wall (44) for bearing ventilation. 4. The end of the plastic sleeve 39 closer to the bearing is configured as a bearing fitting ring 43, which is non-rotatably fitted into the bearing bore of the generator casing 13 and is fitted into the outer race of the bearing 18. 4. The three-phase generator according to claim 3, wherein the three-phase generator contains a generator. 5. A plastic sleeve 45 is integrally molded inside the cover cap 36a, which covers the commutator unit 32 and the brush retainer 3.
2. A three-phase generator according to claim 1, which surrounds the generator casing 4 and is fixed to the generator casing 13. 6. A plastic sleeve 47 is integrally molded in the inner hole 48 of the connecting plate 32a of the commutator unit 32, and the commutator unit is arranged outside and in front of the bearing area of the claw-pole rotor 19, so that the generator casing 13 The three-phase generator according to claim 1, wherein the three-phase generator is fixed to a. 7 The plastic sleeve 47 terminates in front of the slip-ring side bearing section of the claw-pole rotor 19 with an axial annular air gap 50, which annular air gap 50
8 and is covered by a ring-shaped lip 51 of a bearing fitting ring 52 which is fitted onto the end 4 of an insulating plastic sleeve 47.
7. The three-phase generator of claim 6, wherein the three-phase generator extends beyond 7b. 8 The opening 40 of the plastic sleeve 39 faces outwardly from the collar 5 to accommodate the brush retainer 34.
3, and the collar 53 has a peripheral edge 5 of the collar.
8. The three-phase generator according to any one of claims 1 to 7, wherein a seal ring (55) containing the three-phase generator (4) is attached from the outside.