JP2538599Y2 - Starter device - Google Patents
Starter deviceInfo
- Publication number
- JP2538599Y2 JP2538599Y2 JP1991003707U JP370791U JP2538599Y2 JP 2538599 Y2 JP2538599 Y2 JP 2538599Y2 JP 1991003707 U JP1991003707 U JP 1991003707U JP 370791 U JP370791 U JP 370791U JP 2538599 Y2 JP2538599 Y2 JP 2538599Y2
- Authority
- JP
- Japan
- Prior art keywords
- clutch
- output shaft
- helical spline
- outer diameter
- cylindrical portion
- 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.)
- Expired - Lifetime
Links
Classifications
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F02—COMBUSTION ENGINES; HOT-GAS OR COMBUSTION-PRODUCT ENGINE PLANTS
- F02N—STARTING OF COMBUSTION ENGINES; STARTING AIDS FOR SUCH ENGINES, NOT OTHERWISE PROVIDED FOR
- F02N15/00—Other power-operated starting apparatus; Component parts, details, or accessories, not provided for in, or of interest apart from groups F02N5/00 - F02N13/00
- F02N15/02—Gearing between starting-engines and started engines; Engagement or disengagement thereof
- F02N15/022—Gearing between starting-engines and started engines; Engagement or disengagement thereof the starter comprising an intermediate clutch
- F02N15/023—Gearing between starting-engines and started engines; Engagement or disengagement thereof the starter comprising an intermediate clutch of the overrunning type
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F02—COMBUSTION ENGINES; HOT-GAS OR COMBUSTION-PRODUCT ENGINE PLANTS
- F02N—STARTING OF COMBUSTION ENGINES; STARTING AIDS FOR SUCH ENGINES, NOT OTHERWISE PROVIDED FOR
- F02N15/00—Other power-operated starting apparatus; Component parts, details, or accessories, not provided for in, or of interest apart from groups F02N5/00 - F02N13/00
- F02N15/02—Gearing between starting-engines and started engines; Engagement or disengagement thereof
- F02N15/04—Gearing between starting-engines and started engines; Engagement or disengagement thereof the gearing including disengaging toothed gears
- F02N15/043—Gearing between starting-engines and started engines; Engagement or disengagement thereof the gearing including disengaging toothed gears the gearing including a speed reducer
- F02N15/046—Gearing between starting-engines and started engines; Engagement or disengagement thereof the gearing including disengaging toothed gears the gearing including a speed reducer of the planetary type
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F02—COMBUSTION ENGINES; HOT-GAS OR COMBUSTION-PRODUCT ENGINE PLANTS
- F02N—STARTING OF COMBUSTION ENGINES; STARTING AIDS FOR SUCH ENGINES, NOT OTHERWISE PROVIDED FOR
- F02N15/00—Other power-operated starting apparatus; Component parts, details, or accessories, not provided for in, or of interest apart from groups F02N5/00 - F02N13/00
- F02N15/02—Gearing between starting-engines and started engines; Engagement or disengagement thereof
- F02N15/04—Gearing between starting-engines and started engines; Engagement or disengagement thereof the gearing including disengaging toothed gears
- F02N15/06—Gearing between starting-engines and started engines; Engagement or disengagement thereof the gearing including disengaging toothed gears the toothed gears being moved by axial displacement
- F02N2015/061—Gearing between starting-engines and started engines; Engagement or disengagement thereof the gearing including disengaging toothed gears the toothed gears being moved by axial displacement said axial displacement being limited, e.g. by using a stopper
Description
【０００１】[0001]
【産業上の利用分野】この考案は、直流電動機の電機子
軸の回転を減速し、又は直接に出力軸に伝え、出力軸の
回転をオーバランニングクラッチを介しピニオンに伝達
し、機関を始動させるスタータ装置に関する。This invention reduces the rotation of an armature shaft of a DC motor or directly transmits the rotation to an output shaft, transmits the rotation of the output shaft to a pinion via an overrunning clutch, and starts the engine. It relates to a starter device.
【０００２】[0002]
【従来の技術】図２は、例えば実公昭５５−５３７２７
号公報に示された従来のスタータ装置の要部縦断面図で
ある。１は直流電動機で、電機子軸２が出され、前方に
延長された部分が出力軸３をなしている。４は出力軸３
に形成されたヘリカルスプラインで、円周方向に対し等
ピッチの複数条の谷部４ａと、これらの各谷部４ａ間に
１条宛の通し用谷部４ｂとが設けられている。５はヘリ
カルスプライン４から前方に環状溝６を隔てた同一外径
のストッパ部で、通し用谷部４ｂと連通する通し用谷部
５ａが設けられている。ヘリカルスプライン４部及びス
トッパ部５を図３に示す。７は直流電動機１の前ブラケ
ット、８は仕切り板である。2. Description of the Related Art FIG. 2 shows, for example, Japanese Utility Model Publication No. 55-53727.
FIG. 1 is a vertical sectional view of a main part of a conventional starter device disclosed in Japanese Patent Application Laid-Open Publication No. HEI 10-115,036. Reference numeral 1 denotes a DC motor, from which an armature shaft 2 is extended, and a portion extended forward forms an output shaft 3. 4 is the output shaft 3
The helical spline is formed with a plurality of valleys 4a having an equal pitch in the circumferential direction, and a valley 4b for passing through to one ridge is provided between the valleys 4a. Reference numeral 5 denotes a stopper portion having the same outer diameter and having an annular groove 6 in front of the helical spline 4 and having a through valley portion 5b communicating with the through valley portion 4b. FIG. 3 shows the helical spline 4 and the stopper 5. 7 is a front bracket of the DC motor 1, and 8 is a partition plate.
【０００３】１０は出力軸３に装着されたオーバランニ
ングクラッチで、次のように構成されている。１１はク
ラッチアウタで、後端部の円筒部の内周にヘリカルスプ
ラインの山部１１ａが設けられ、出力軸３のヘリカルス
プライン４の谷部４ａにはめ合わされている。１２は複
数のローラ１３を介し一方向回転伝達するクラッチイン
ナで、前方に延長された円筒部１２ａの前端部にピニオ
ン１４が形成されている。クラッチインナ１２は、円筒
部１２ａで軸受１５を介し前ブラケット７に支持され、
円筒部１２ａの内周に軸受１６を介し出力軸３の前端を
支持している。クラッチインナ１２の円筒部１２ａの外
径は、軸受１５に支持されるため、ピニオン１４の外径
と同一又はそれ以上にする必要があり、重量が重くなっ
ている。[0003] Reference numeral 10 denotes an overrunning clutch mounted on the output shaft 3, which is configured as follows. Reference numeral 11 denotes a clutch outer, which is provided with a helical spline peak 11a on the inner periphery of the cylindrical portion at the rear end, and is fitted to the valley 4a of the helical spline 4 of the output shaft 3. Reference numeral 12 denotes a clutch inner for transmitting rotation in one direction through a plurality of rollers 13, and a pinion 14 is formed at a front end of a cylindrical portion 12a extending forward. The clutch inner 12 is supported by the front bracket 7 via the bearing 15 at the cylindrical portion 12a,
The front end of the output shaft 3 is supported on the inner periphery of the cylindrical portion 12a via a bearing 16. Since the outer diameter of the cylindrical portion 12a of the clutch inner 12 is supported by the bearing 15, it must be equal to or larger than the outer diameter of the pinion 14, and the weight is heavy.
【０００４】１７は前ブラケット７に取付けられた電磁
スイッチで、励磁コイル（図示しない）の通電によりプ
ランジャ１８を磁気吸引し後退させる。１９は二またの
上端部でプランジャ１８に係合されたシフトレバーで、
二またの下端部でオーバランニングクラッチ１０に軸方
向に係合している。シフトレバー１９は反時計方向及び
時計方向の回動により、オーバランニングクラッチ１０
を前進及び後退復帰させる。２０はシフトレバー１９を
図で時計方向に回動復帰させるとともに、プランジャ１
８を前進復帰させるトーションばね、２１はピニオン１
４の前進によりかみ合わされ、始動回転させる機関のリ
ングギヤである。[0004] Reference numeral 17 denotes an electromagnetic switch mounted on the front bracket 7, which magnetically attracts the plunger 18 by energizing an exciting coil (not shown) and retracts the plunger. Reference numeral 19 denotes a shift lever engaged with the plunger 18 at the upper end of the strut.
The lower end of the fork is engaged with the overrunning clutch 10 in the axial direction. The shift lever 19 rotates counterclockwise and clockwise to rotate the overrunning clutch 10.
Is moved forward and backward. 20 together is rotated back to clockwise shift lever 19 in the figure, the plunger 1
8 is a torsion spring for returning to the forward direction, 21 is a pinion 1
4 is a ring gear of the engine that is engaged by the forward movement of No. 4 and starts and rotates.
【０００５】上記オーバランニングクラッチ１０の出力
軸３への装着は、次のようにする。クラッチアウタ１１
のヘリカルスプラインの山部１１ａをストッパ部５の通
し用谷部５ａに通し、ヘリカルスプライン４の通し用谷
部４ｂに通過させてから、出力軸３の後部の小径の逃げ
部３ａにおいて、クラッチアウタ１１を山部１１ａの半
ピッチだけ回動し、山部１１ａを出力軸３のヘリカルス
プライン４の谷部４ａに合わせ、前進させ、双方をヘリ
カルスプライン結合する。この状態では、クラッチアウ
タ１１の山部１１ａの前端面が、ストッパ部５の後端段
部面に当接し前進が規制される。The mounting of the overrunning clutch 10 on the output shaft 3 is as follows. Clutch outer 11
The helical spline crest 11a passes through the trough 5a of the stopper 5 and the trough 4b of the helical spline 4 and then passes through the small diameter relief portion 3a at the rear of the output shaft 3 to form the clutch outer. 11 is rotated by a half pitch of the ridge 11a, the ridge 11a is aligned with the valley 4a of the helical spline 4 of the output shaft 3, and the helical spline is coupled. In this state, the front end surface of the peak portion 11a of the clutch outer 11 abuts on the rear end step surface of the stopper portion 5 to restrict the forward movement.
【０００６】次に、動作を説明する。電磁スイッチ１７
の励磁コイル（図示しない）に通電すると、プランジャ
１８が内方に吸引後退され、シフトレバー１９を図で反
時計方向に回動させる。これにより、オーバランニング
クラッチ１０を前進移動させ、ピニオン１４がリングギ
ヤ２１にかみ合わされる。プランジャ１８の後退により
可動接点が後退され、１対の固定接点（いずれも図示し
ない）に圧接し、直流電動機１の電機子回路を閉じる。
これにより電機子が回転し、電機子軸２及び一体の出力
軸３の回転がオーバランニングクラッチ１０を介しピニ
オン１４に伝えられ、リングギヤ２１を回転させ機関を
始動させる。Next, the operation will be described. Electromagnetic switch 17
When an excitation coil (not shown) is energized, the plunger 18 is attracted and retracted inward, and the shift lever 19 is rotated counterclockwise in the figure. As a result, the overrunning clutch 10 is moved forward, and the pinion 14 is engaged with the ring gear 21. The movable contact is retracted by the retreat of the plunger 18 and presses against a pair of fixed contacts (both not shown) to close the armature circuit of the DC motor 1.
Accordingly, the armature rotates, and the rotation of the armature shaft 2 and the integrated output shaft 3 is transmitted to the pinion 14 via the overrunning clutch 10 to rotate the ring gear 21 and start the engine.
【０００７】[0007]
【考案が解決しようとする課題】上記のような従来のス
タータ装置では、クラッチインナ１２の円筒部１２ａの
外径が大きくなり、重量が重く、ピニオン１４のリング
ギヤ２１へのかみ合い性が低下する。そのうえオーバラ
ンニングクラッチ１０を出力軸３へ結合するのに、いっ
たん、後方へ押込み、クラッチアウタ１１のヘリカルス
プラインの山部１１ａを通し用谷部４ｂからかわしてか
ら、谷部４ａに山部１１ａを合わせ、前方に戻して結合
する必要があるので、クラッチインナ１２の後端は、ス
トッパ部５の前端から間隔Ｌをあけておかねばならず、
それだけオーバランニングクラッチ１０が前方に長くな
り、外形が軸方向に大きくなるという問題点があった。
この考案は、このような問題点を解決するためになされ
たもので、クラッチインナの重量を軽減し、ピニオンの
リングギヤへのかみ合い性を向上し、さらに、オーバラ
ンニングクラッチの長さを短縮し、軸方向外形を小さく
したスタータ装置を得ることを目的としている。In the conventional starter device as described above, the outer diameter of the cylindrical portion 12a of the clutch inner 12 is increased, the weight is heavy, and the engagement of the pinion 14 with the ring gear 21 is reduced. Moreover for coupling the over-running clutch 10 to the output shaft 3, once pushed rearward, since it past the helical spline of the mountain portion 11a of the through groove portion 4b of the clutch outer 11, the crests 11a to the valley 4a Since it is necessary to align and return to the front, the rear end of the clutch inner 12 must be spaced apart from the front end of the stopper portion 5 by an interval L.
As a result, there is a problem that the overrunning clutch 10 becomes longer forward and the outer shape becomes larger in the axial direction.
This invention was made in order to solve such a problem, reducing the weight of the clutch inner, improving the engagement of the pinion with the ring gear, further reducing the length of the overrunning clutch, It is an object of the present invention to obtain a starter device having a small external shape in the axial direction.
【０００８】[0008]
【課題を解決するための手段】この考案にかかるスター
タ装置は、クラッチインナの中間円筒部を、内径が出力
軸のヘリカルスプライン及びクラッチアウタ用ストッパ
部の外径よりわずかに大きく、外径が後端部より小さい
ものにし、かつ、長さを短縮し、中間円筒部の前端部を
さらに小径にし、ピニオンを結合したものである。In the starter device according to the present invention, the intermediate cylindrical portion of the clutch inner has an inner diameter slightly larger than the outer diameter of the helical spline of the output shaft and the outer diameter of the clutch outer stopper portion, and the outer diameter of the rear portion is smaller than the outer diameter. The front end portion of the intermediate cylindrical portion is made smaller than the end portion, the length is reduced, the diameter of the front end portion is further reduced, and the pinion is connected.
【０００９】[0009]
【作用】この考案においては、クラッチインナの中間円
筒部が出力軸のヘリカルスプライン部とクラッチアウタ
用ストッパ部の外周に重なり、オーバランニングクラッ
チの長さが短縮される。さらに、クラッチインナの円筒
部の外径が後端部外径より小さいので重量が軽減され、
軸方向移動体の前進移動が容易になり、ピニオンのリン
グギヤへのかみ合い性が向上される。In the present invention, the intermediate cylinder portion of the clutch inner overlaps the outer periphery of the helical spline portion of the output shaft and the outer periphery of the clutch outer stopper portion, and the length of the overrunning clutch is reduced. Furthermore, since the outer diameter of the cylindrical portion of the clutch inner is smaller than the outer diameter of the rear end portion, the weight is reduced,
The forward movement of the axial moving body is facilitated, and the engagement of the pinion with the ring gear is improved.
【００１０】[0010]
【実施例】図１は、この考案によるスタータ装置の一実
施例の要部縦断面図である。直流電動機３０の電機子か
ら電機子軸３１が出され、電機子軸３１の前端部には小
歯車からなる太陽歯車３１ａが形成されている。３２は
継鉄、３３は中間ブラケットで、軸受３４を介し電機子
軸３１の前部側を支持している。３５は中間ブラケット
３３を介し継鉄３２に結合された前ブラケットである。FIG. 1 is a longitudinal sectional view of a main part of an embodiment of a starter device according to the present invention. An armature shaft 31 is extended from the armature of the DC motor 30, and a sun gear 31a made of a small gear is formed at the front end of the armature shaft 31. 32 is a yoke and 33 is an intermediate bracket, which supports the front side of the armature shaft 31 via a bearing 34. A front bracket 35 is connected to the yoke 32 via an intermediate bracket 33.
【００１１】３６は電機子軸３１の前端に鋼球３７を介
し同軸心配設された出力軸で、中間部にヘリカルスプラ
イン３７が形成されている。このヘリカルスプライン３
７の前方には、環状溝３８とクラッチアウタ用ストッパ
部３９が設けられている。ヘリカルスプライン３７には
円周方向に対し等ピッチの複数条の谷部３７ａが形成さ
れ、これらの隣接する谷部３７ａ間にそれぞれ１条宛の
通し用谷部３７ｂが形成されている。ストッパ部３９に
は、通し用谷部３７ｂに連通する通し用切欠き３９ａが
形成されている。また、出力軸３６には、ヘリカルスプ
ライン３７部の後方に小径の逃がし部３６ｂが設けられ
ている。Reference numeral 36 denotes an output shaft provided at the front end of the armature shaft 31 through a steel ball 37 via a steel ball 37. A helical spline 37 is formed at an intermediate portion. This helical spline 3
An annular groove 38 and a clutch outer stopper portion 39 are provided in front of 7. The helical spline 37 is formed with a plurality of valley portions 37a having a constant pitch in the circumferential direction, and a valley portion 37b is formed between the adjacent valley portions 37a. The stopper 39 has a cut-out notch 39a that communicates with the trough 37b. The output shaft 36 is provided with a small-diameter relief portion 36 b behind the helical spline 37.
【００１２】４０は遊星歯車減速装置で、次のように構
成されている。４１は太陽歯車31ａにかみ合わされた複
数の遊星歯車で、軸受４３を介し支持ピン４２に支持さ
れている。支持ピン４２は出力軸３６の後端のフランジ
部からなるキャリア３６ａに固着されている。４４は前
ブラケット３５内に固定された内歯歯車枠で内周に内歯
部４４ａが設けられ、かみ合った遊星歯車４１を公転運
動させる。内歯歯車枠４４の前端部内周で、軸受４５を
介し出力軸３６の後端部を支持している。Numeral 40 is a planetary gear reduction device, which is constructed as follows. Reference numeral 41 denotes a plurality of planetary gears meshed with the sun gear 31a, which are supported by support pins 42 via bearings 43. The support pin 42 is fixed to a carrier 36 a formed of a flange at the rear end of the output shaft 36. Reference numeral 44 denotes an internal gear frame fixed in the front bracket 35, and has an internal gear portion 44a provided on the inner periphery thereof to revolve the engaged planetary gear 41. The rear end of the output shaft 36 is supported via a bearing 45 on the inner periphery of the front end of the internal gear frame 44.
【００１３】４７は出力軸３６の外周に装着されたオー
バランニングクラッチで、次のように構成されている。
４８はクラッチアウタで、出力軸３６のヘリカルスプラ
イン３７の谷部３７ａに結合するヘリカルスプラインの
山部４８ａが設けられている。４９はクラッチアウタ４
８にローラ５０を介し一方向回転伝達するクラッチイン
ナで、中間の円筒部４９ａは、内径を出力軸３６のヘリ
カルスプライン３７及びストッパ部３９の外径よりわず
かに大きくし重ねられるようにし、外径を後端部４９ｂ
の外径より小さくし、重量を軽減している。クラッチイ
ンナ４９は中間円筒部４９ａで軸受５２を介し前ブラケ
ット３５に支持され、軸受５３を介し出力軸３６を支持
している。５１は係合環、５７は出力軸３６にはめら
れ、クラッチアウタ４８の後端を受止める止め輪であ
る。Reference numeral 47 denotes an overrunning clutch mounted on the outer periphery of the output shaft 36, which is constructed as follows.
Reference numeral 48 denotes a clutch outer, which is provided with a helical spline peak 48a which is connected to a valley 37a of the helical spline 37 of the output shaft 36. 49 is the clutch outer 4
8 is a clutch inner that transmits rotation in one direction to the roller 8 via a roller 50. The intermediate cylindrical portion 49a has an inner diameter slightly larger than the outer diameter of the helical spline 37 of the output shaft 36 and the outer diameter of the stopper portion 39 so that they can be overlapped. To the rear end 49b
It is smaller than the outside diameter to reduce the weight. The clutch inner 49 is supported by the front bracket 35 via the bearing 52 at the intermediate cylindrical portion 49a, and supports the output shaft 36 via the bearing 53. Reference numeral 51 denotes an engagement ring, and 57 denotes a retaining ring which is fitted to the output shaft 36 and receives the rear end of the clutch outer 48.
【００１４】５４はクラッチインナ４９の前端小径部４
９ｃにスプライン結合されたピニオンで、ストッパ５５
により前端が受止められており、圧縮ばね５６により前
進方向に押圧されている。Reference numeral 54 denotes a small diameter portion 4 at the front end of the clutch inner 49.
9c , a pinion spline-coupled to the stopper 55
At the front end, and is pressed in the forward direction by the compression spring 56.
【００１５】オーバランニングクラッチ４７の出力軸３
６への装着は次のようにする。結合されたオーバランニ
ングクラッチ４７のクラッチアウタ４８のヘリカルスプ
ラインの山部４８ａを、ストッパ部３９の通し用切欠き
３９ａに通し、ヘリカルスプライン３７部の通し用谷部
３７ｂを通過し、逃がし部３６ａに至らす。ここで、ク
ラッチアウタ４８を山部４８ａの半ピッチ分だけ回動
し、山部４８ａを出力軸３６のヘリカルスプライン３７
の谷部３７ａに係合させて前進戻しをする。そこで、出
力軸３６に止め輪５７をはめ、クラッチアウタ４８の後
退位置を規制する。この状態でオーバランニングクラッ
チ４７が前進すると、クラッチアウタ４８の山部４８ａ
の前端がストッパ部３９に当たり、前進位置が規制され
る。Output shaft 3 of overrunning clutch 47
6 is attached as follows. The ridge 48a of the helical spline of the clutch outer 48 of the connected overrunning clutch 47 is passed through the cutout 39a of the stopper 39, passes through the valley 37b of the helical spline 37, and passes through the relief 36a. To reach. Here, the clutch outer 48 is rotated by a half pitch of the peak 48 a, and the peak 48 a is moved by the helical spline 37 of the output shaft 36.
And return forward by engaging with the valley 37a. Therefore, the retaining ring 57 is fitted to the output shaft 36 to regulate the retreat position of the clutch outer 48. When the overrunning clutch 47 moves forward in this state, the peak portion 48a of the clutch outer 48
Abuts against the stopper 39, and the forward position is regulated.
【００１６】５８はオーバランニングクラッチ４７を前
進，後退させるシフトレバーで、電磁スイッチ（図示は
略す）のプランジャに支持されたフックの後退及び前進
復帰により時計方向及び反時計方向に回動される。５９
は前ブラケット３５の切欠き部にはめられたゴム状材か
らなるふさぎ体である。Reference numeral 58 denotes a shift lever for moving the overrunning clutch 47 forward and backward. The shift lever 58 is rotated clockwise and counterclockwise when the hook supported by a plunger of an electromagnetic switch (not shown) is moved backward and forward. 59
Is a cover made of a rubber-like material and fitted in the notch of the front bracket 35.
【００１７】上記一実施例の装置の機関を始動させる動
作は、電機子軸３１の回転を減速しピニオン５４に伝え
ることの外は、上記従来装置と同様である。The operation of starting the engine of the apparatus of the embodiment is the same as that of the conventional apparatus except that the rotation of the armature shaft 31 is reduced and transmitted to the pinion 54.
【００１８】なお、上記実施例では遊星歯車減速装置４
０を介在させたが、減速装置を設けず、電機子軸の前端
部を延長し、出力軸を兼用した場合にも適用できるもの
である。In the above embodiment, the planetary gear reduction device 4
Although 0 is interposed, the present invention can also be applied to a case where a speed reducer is not provided, the front end of the armature shaft is extended, and the output shaft is also used.
【００１９】[0019]
【考案の効果】以上のように、この考案によれば、軸受
５３により支承された、クラッチインナ４９の中間円筒
部４９ａの内径を、出力軸３６のヘリカルスプライン部
３７とクラッチアウタ用ストッパ部３９の外径よりわず
かに大きくし、これらの外周に重ねられるようにしたの
で、クラッチインナのローラ５０下の後端部４９ｂの形
状（肉厚）に制約がないため安定した強度が得られると
ともに、オーバランニングクラッチの長さが短縮され、
軸方向外形が小さくでき、かつ中間円筒部４９ａの外径
を後端部４９ｂの外径より小さくし、さらに小径にした
前端部４９ｃにピニオン５４を結合したので、重量が軽
減され、軸方向移動体の前進移動が容易になり、ピニオ
ンのリングギヤへのかみ合い性が向上される。[Effect of the invention] As described above, according to the invention, the bearing
Intermediate cylinder of clutch inner 49 supported by 53
The inner diameter of the portion 49a is changed to the helical spline portion of the output shaft 36.
Slightly larger than the outer diameter of 37 and the clutch outer stopper portion 39. Thus superimposed on these outer periphery, the shape of the rear end portion 49b of the lower roller 50 of the clutch inner
Since there is no restriction on the shape (thickness), stable strength can be obtained
In both cases, the length of the overrunning clutch has been shortened,
Since the outer shape in the axial direction can be reduced , the outer diameter of the intermediate cylindrical portion 49a is made smaller than the outer diameter of the rear end portion 49b, and the pinion 54 is connected to the smaller front end portion 49c , so that the weight is reduced and the axial movement is reduced. The forward movement of the body is facilitated, and the engagement of the pinion with the ring gear is improved.
【図１】 この考案によるスタータ装置の一実施例の要
部縦断面図である。FIG. 1 is a longitudinal sectional view of a main part of an embodiment of a starter device according to the present invention.
【図２】 従来のスタータ装置の要部縦断面図である。FIG. 2 is a longitudinal sectional view of a main part of a conventional starter device.
【図３】 図２の出力軸のヘリカルスプライン部及びス
トッパ部の拡大図である。FIG. 3 is an enlarged view of a helical spline portion and a stopper portion of the output shaft of FIG.
３０ 直流電動機、３１ 電機子軸、３６ 出力軸、３
７ ヘリカルスプライン、３９ ストッパ部、４０ 遊
星歯車減速装置、４７ オーバランニングクラッチ、４
８ クラッチアウタ、４９ クラッチインナ、４９ａ
円筒部、４９ｂ後端部、５０ ローラ、５２，５３ 軸
受、５４ ピニオン。30 DC motor, 31 armature shaft, 36 output shaft, 3
7 helical spline, 39 stopper, 40 planetary gear reducer, 47 overrunning clutch, 4
8 Clutch outer, 49 Clutch inner, 49a
Cylindrical part, 49b rear end part, 50 rollers, 52 , 53 axes
Receiving, 54 pinions.
Claims (1)
れる出力軸３６と、この出力軸３６にヘリカルスプライ
ン３７により結合されたクラッチアウタ４８と、このク
ラッチアウタ４８にローラ５０を介し結合され一方向回
転を前端側のピニオン５４に伝えるクラッチインナ４９
と、上記ピニオン５４を前進，後退復帰させるオーバラ
ンニングクラッチ４７と、上記出力軸３６のヘリカルス
プライン３７の前部に設けられクラッチアウタ４８の前
進を所定位置で規制するストッパ部３９を備え、上記ク
ラッチインナ４９は中間の円筒部４９ａの外周で軸受５
２を介して、上記直流電動機３０の前ブラケット３５に
支持されるとともに、内周は軸受５３を介して上記出力
軸３６を支持するスタータ装置であって、 上記クラッチインナ４９の中間の円筒部４９ａの内径
を、上記出力軸３６のヘリカルスプライン３７とストッ
パ部３９の外径よりわずかに大きくしてこれらの外周に
重ねられるようにし、かつ、この中間の円筒部４９ａの
外径を上記ローラ５０位置の後端部４９ｂの外径より小
さくし、さらにこの中間円筒部４９ａの前端部４９ｃの
外径を該円筒部４９ａの外径よりさらに小さくしてこれ
に上記ピニオン５４を結合したことを特徴とするスター
タ装置。 And 1. A direct-current motor 30 of the output shaft 36 whose rotation is transmitted to the armature, the clutch outer 48 which is coupled by the helical spline 37 to the output shaft 36 is coupled via the rollers 50 to the clutch outer 48 one Inner clutch 49 that transmits directional rotation to pinion 54 on the front end side
If, advancing the pinion 54, provided with overrunning clutch 47 is retracted return, the stopper portion 39 for restricting the forward movement of the clutch outer 48 is provided on the front portion of the helical spline 37 of the output shaft 36 at a predetermined position, the clutch The inner 49 has a bearing 5 at the outer periphery of the intermediate cylindrical portion 49a.
Through 2, the front bracket 35 of the DC motor 30
While being supported, the inner circumference is
A starter device for supporting the shaft 36, the inner diameter of the intermediate cylindrical portion 49a of the clutch inner 49, these outer circumference slightly larger than the outer diameter of the helical spline 37 and the stopper portion 39 of the output shaft 36 overlapping is such to, and, in the middle of the cylindrical portion 49a
The outer diameter is smaller than the outer diameter of the rear end 49b of the roller 50.
And the front end 49c of the intermediate cylindrical portion 49a.
This outer diameter further smaller than the outer diameter of the cylindrical portion 49a
And a pinion 54 connected to the starter device.
Priority Applications (4)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP1991003707U JP2538599Y2 (en) | 1991-01-11 | 1991-01-11 | Starter device |
| EP19920100335 EP0494681B1 (en) | 1991-01-11 | 1992-01-10 | Starter device |
| DE1992601872 DE69201872T2 (en) | 1991-01-11 | 1992-01-10 | Starter device. |
| HK98101651A HK1005319A1 (en) | 1991-01-11 | 1998-03-03 | Starter device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP1991003707U JP2538599Y2 (en) | 1991-01-11 | 1991-01-11 | Starter device |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| JPH0495667U JPH0495667U (en) | 1992-08-19 |
| JP2538599Y2 true JP2538599Y2 (en) | 1997-06-18 |
Family
ID=31732871
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP1991003707U Expired - Lifetime JP2538599Y2 (en) | 1991-01-11 | 1991-01-11 | Starter device |
Country Status (4)
| Country | Link |
|---|---|
| EP (1) | EP0494681B1 (en) |
| JP (1) | JP2538599Y2 (en) |
| DE (1) | DE69201872T2 (en) |
| HK (1) | HK1005319A1 (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2012225189A (en) * | 2011-04-15 | 2012-11-15 | Denso Corp | Starter |
Families Citing this family (11)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2774730B2 (en) * | 1992-03-19 | 1998-07-09 | 三菱電機株式会社 | Starting motor |
| CN1050650C (en) * | 1994-04-28 | 2000-03-22 | 三菱电机株式会社 | Starter motor |
| JPH08291783A (en) * | 1995-04-20 | 1996-11-05 | Mitsubishi Electric Corp | Planetary gear decelerating starter device |
| US6169333B1 (en) | 1997-10-06 | 2001-01-02 | Visteon Global Technologies, Inc. | Starter motor drive stop |
| DE10025720C2 (en) * | 2000-05-25 | 2002-05-29 | Walterscheid Gmbh Gkn | Drive arrangement with one-way clutch |
| JP2002221136A (en) | 2001-01-24 | 2002-08-09 | Mitsubishi Electric Corp | Pinion fall out preventing structure of starting device |
| JP2003148518A (en) * | 2001-11-07 | 2003-05-21 | Musashi Seimitsu Ind Co Ltd | One-way clutch |
| FR2850136B1 (en) | 2003-01-21 | 2006-05-26 | Valeo Equip Electr Moteur | METHOD FOR MOUNTING A STOP RING ON AN ELECTRIC STARTER SHAFT PROVIDED WITH A LAUNCHER WITH STOP ON CANNELURES |
| JP3815446B2 (en) * | 2003-03-11 | 2006-08-30 | 株式会社デンソー | Starter |
| CN103244570B (en) * | 2012-02-06 | 2017-10-17 | 博世汽车部件(长沙)有限公司 | Vehicle starter and its spline device |
| FR3042231B1 (en) * | 2015-10-09 | 2019-08-16 | Valeo Equipements Electriques Moteur | MOTOR VEHICLE STARTER LAUNCHER WITH PROTECTIVE HOOD |
Family Cites Families (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| FR2572137B1 (en) * | 1984-10-18 | 1987-01-23 | Paris & Du Rhone | ELECTRIC STARTER LAUNCHER WITHOUT CONTACTOR |
| JPS63219871A (en) * | 1987-03-10 | 1988-09-13 | Mitsubishi Electric Corp | Starter device |
| JPS63280852A (en) * | 1987-05-13 | 1988-11-17 | Mitsubishi Electric Corp | Pinion stopper device for starting motor |
| JPH07703Y2 (en) * | 1987-09-04 | 1995-01-11 | 三菱電機株式会社 | Starter motor |
| JPH01170760A (en) * | 1987-12-26 | 1989-07-05 | Mitsubishi Electric Corp | Pinion stopper device for starter motor |
-
1991
- 1991-01-11 JP JP1991003707U patent/JP2538599Y2/en not_active Expired - Lifetime
-
1992
- 1992-01-10 EP EP19920100335 patent/EP0494681B1/en not_active Expired - Lifetime
- 1992-01-10 DE DE1992601872 patent/DE69201872T2/en not_active Expired - Lifetime
-
1998
- 1998-03-03 HK HK98101651A patent/HK1005319A1/en not_active IP Right Cessation
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2012225189A (en) * | 2011-04-15 | 2012-11-15 | Denso Corp | Starter |
Also Published As
| Publication number | Publication date |
|---|---|
| HK1005319A1 (en) | 1998-12-31 |
| DE69201872T2 (en) | 1995-09-28 |
| EP0494681B1 (en) | 1995-04-05 |
| JPH0495667U (en) | 1992-08-19 |
| DE69201872D1 (en) | 1995-05-11 |
| EP0494681A1 (en) | 1992-07-15 |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| EXPY | Cancellation because of completion of term |