JP4095100B2

JP4095100B2 - Power starter

Info

Publication number: JP4095100B2
Application number: JP2006244322A
Authority: JP
Inventors: ▲覚▼ 井上
Original assignee: ▲覚▼ 井上
Priority date: 2006-06-21
Filing date: 2006-09-08
Publication date: 2008-06-04
Anticipated expiration: 2026-09-08
Also published as: JP2008025559A

Description

本発明は、動力始動装置に関するものである。 The present invention relates to a power starter.

従来より、駆動モータによって駆動装置を円滑に始動させるために、駆動モータと駆動装置との間に動力始動装置を介設したものが広く利用されている。 2. Description of the Related Art Conventionally, a power starter provided between a drive motor and a drive device has been widely used in order to smoothly start the drive device with a drive motor.

この従来の動力始動装置は、駆動モータの駆動軸と駆動装置の駆動軸との間に動力伝達軸を介設し、この動力伝達軸にフライホイールを取付けた構造となっている（たとえば、特許文献１参照。）。 This conventional power starter has a structure in which a power transmission shaft is interposed between the drive shaft of the drive motor and the drive shaft of the drive device, and a flywheel is attached to the power transmission shaft (for example, a patent) Reference 1).

この従来の動力始動装置では、駆動モータによって動力伝達軸が回転を開始し、この動力伝達軸の回転に連動してフライホイールが回転し、このフライホイールの回転によってフライホイールの重量に応じた遠心力が動力伝達軸に作用し、動力伝達軸が駆動モータの回転力とフライホイールの遠心力との作用により円滑に回転するように構成している。 In this conventional power starter, the power transmission shaft starts to rotate by the drive motor, the flywheel rotates in conjunction with the rotation of the power transmission shaft, and the flywheel rotates to perform the centrifugal operation according to the weight of the flywheel. The force acts on the power transmission shaft, and the power transmission shaft is configured to rotate smoothly by the action of the rotational force of the drive motor and the centrifugal force of the flywheel.

特開２００５−１５５７２５号公報JP 2005-155725 A

ところが、上記従来の動力始動装置では、動力伝達軸に取付けたフライホイールの重量に応じた遠心力が作用することになるために、動力伝達軸の回転をより一層円滑に行わせるためには、フライホイールの重量を増大させなければならず、装置全体が大型化や重量化してしまい、製造や取扱いが困難なものとなってしまうおそれがあった。 However, in the above-described conventional power starter, a centrifugal force according to the weight of the flywheel attached to the power transmission shaft acts, so that the power transmission shaft can be rotated more smoothly. The weight of the flywheel has to be increased, and the entire apparatus is increased in size and weight, which may make manufacture and handling difficult.

そこで、本発明では、動力始動装置において、ケーシングに動力伝達軸を回動自在に軸支するとともに、この動力伝達軸にフライホイールを取付け、このフライホイールに複数個の偏芯ウエイトを前記動力伝達軸を中心に放射状に偏芯させた状態で回動自在にそれぞれ軸支し、一方、ケーシングに固定ギヤを前記動力伝達軸と同軸上に固定し、この固定ギヤの外周部と前記偏芯ウエイトの回動軸部とを噛合することにした。

Therefore, in the present invention, in the power starter, a power transmission shaft is rotatably supported on the casing, a flywheel is attached to the power transmission shaft, and a plurality of eccentric weights are attached to the flywheel. A shaft is rotatably supported in a state of being radially eccentric about a shaft, while a fixed gear is fixed to the casing coaxially with the power transmission shaft, and an outer peripheral portion of the fixed gear and the eccentric weight It was decided to mesh with the rotating shaft part.

また、本発明では、前記動力伝達軸を入力側の動力伝達軸と出力側の動力伝達軸とに分離するとともに、入出力側の動力伝達軸の間に変速機を介設し、変速機は、入力側の動力伝達軸に駆動ギヤを取付ける一方、出力側の動力伝達軸にドラムギヤを取付け、入力側の動力伝達軸に反動輪を同軸上に回動自在に軸支し、この反動輪に従動軸を回動自在に軸支し、この従動軸に従動ギヤと転動ギヤとを取付け、従動ギヤを前記駆動ギヤに連動連結する一方、転動ギヤを前記ドラムギヤの内面に連動連結し、さらに、反動輪に逆転防止機構を連結することにした。

In the present invention, the power transmission shaft is separated into an input side power transmission shaft and an output side power transmission shaft, and a transmission is interposed between the input and output power transmission shafts. The drive gear is attached to the power transmission shaft on the input side, while the drum gear is attached to the power transmission shaft on the output side, and the reaction wheel is pivotally supported on the input side power transmission shaft so as to be rotatable coaxially. A driven shaft is pivotally supported, and a driven gear and a rolling gear are attached to the driven shaft, and the driven gear is linked to the drive gear while the rolling gear is linked to the inner surface of the drum gear. Furthermore, we decided to connect a reverse rotation prevention mechanism to the reaction wheel.

そして、本発明では、以下に記載する効果を奏する。 And in this invention, there exists an effect described below.

すなわち、本発明では、動力始動装置において、ケーシングに動力伝達軸を回動自在に軸支するとともに、この動力伝達軸にフライホイールを取付け、このフライホイールに複数個の偏芯ウエイトを動力伝達軸を中心に放射状に偏芯させた状態で回動自在にそれぞれ軸支し、一方、ケーシングに固定ギヤを動力伝達軸と同軸上に固定し、この固定ギヤの外周部と偏芯ウエイトの回動軸部とを噛合しているために、動力伝達軸の回転に連動してフライホイールだけでなく複数個の偏芯ウエイトも動力伝達軸の周囲で回転し、フライホイールの重量に応じた遠心力に加えて、複数個の偏芯ウエイトの重量に応じた遠心力も動力伝達軸に作用することになるので、フライホイールの重量を増大させる必要がなくなり、動力始動装置の大型化や重量化やそれに伴う製造や取扱いの困難化を防止することができる。

That is, according to the present invention, in the power starter, a power transmission shaft is rotatably supported on the casing, a flywheel is attached to the power transmission shaft, and a plurality of eccentric weights are attached to the flywheel. Are pivotally supported in a state of being radially eccentric with respect to each other, while a fixed gear is fixed to the casing coaxially with the power transmission shaft, and the outer periphery of the fixed gear and the eccentric weight are rotated. Since the shaft is meshed, not only the flywheel but also several eccentric weights rotate around the power transmission shaft in conjunction with the rotation of the power transmission shaft, and the centrifugal force according to the weight of the flywheel In addition, centrifugal force according to the weight of multiple eccentric weights also acts on the power transmission shaft, eliminating the need to increase the weight of the flywheel and increasing the size and weight of the power starter It is possible to prevent the difficulties of manufacturing and handling with it.

また、本発明では、動力伝達軸を入力側の動力伝達軸と出力側の動力伝達軸とに分離するとともに、入出力側の動力伝達軸の間に変速機を介設し、変速機は、入力側の動力伝達軸に駆動ギヤを取付ける一方、出力側の動力伝達軸にドラムギヤを取付け、入力側の動力伝達軸に反動輪を同軸上に回動自在に軸支し、この反動輪に従動軸を回動自在に軸支し、この従動軸に従動ギヤと転動ギヤとを取付け、従動ギヤを駆動ギヤに連動連結する一方、転動ギヤをドラムギヤの内面に連動連結し、さらに、反動輪に逆転防止機構を連結しているために、動力伝達軸の始動時に強制的に動力伝達軸を増速させることができ、より一層動力伝達軸の始動を円滑なものとすることができる。 In the present invention, the power transmission shaft is separated into an input-side power transmission shaft and an output-side power transmission shaft, and a transmission is interposed between the input-output power transmission shaft. A drive gear is attached to the power transmission shaft on the input side, while a drum gear is attached to the power transmission shaft on the output side, and a reaction wheel is supported on the input side power transmission shaft so as to be rotatable coaxially and driven by this reaction wheel. The shaft is pivotally supported, the driven gear and the rolling gear are mounted, the driven gear is linked to the drive gear, and the rolling gear is linked to the inner surface of the drum gear. Since the reverse rotation prevention mechanism is connected to the wheel, the speed of the power transmission shaft can be forcibly increased when the power transmission shaft is started, and the power transmission shaft can be started more smoothly.

以下に、本発明に係る動力始動装置の具体的な構成について図面を参照しながら説明する。 The specific configuration of the power starter according to the present invention will be described below with reference to the drawings.

図１に示すように、動力始動装置１は、動力増幅機２と変速機３とで構成している。以下に、これら動力増幅機２と変速機３の具体的な構造について順に説明する。 As shown in FIG. 1, the power starter 1 includes a power amplifier 2 and a transmission 3. Hereinafter, specific structures of the power amplifier 2 and the transmission 3 will be described in order.

まず、動力増幅機２の構造について説明すると、動力増幅機２は、図１及び図２に示すように、駆動モータなどの駆動源の駆動軸４と発電機などの駆動装置の駆動軸５との間に介設した動力伝達軸6a,6bをそれぞれケーシング７に回動自在に軸支している。なお、以下の動力始動装置１では、動力増幅機２の動力伝達軸を入力側の動力伝達軸6aと出力側の動力伝達軸6bとに分離するとともに、これら入出力側の動力伝達軸6a,6bの間に変速機３を介設しているが、変速機３を用いない場合には、駆動軸４に動力伝達軸6bを直結すればよい。 First, the structure of the power amplifier 2 will be described. As shown in FIGS. 1 and 2, the power amplifier 2 includes a drive shaft 4 of a drive source such as a drive motor and a drive shaft 5 of a drive device such as a generator. Power transmission shafts 6a and 6b interposed between the two are rotatably supported on the casing 7 respectively. In the power starter 1 described below, the power transmission shaft of the power amplifier 2 is separated into an input side power transmission shaft 6a and an output side power transmission shaft 6b, and these input / output side power transmission shafts 6a, 6a, Although the transmission 3 is interposed between 6b, when the transmission 3 is not used, the power transmission shaft 6b may be directly connected to the drive shaft 4.

そして、動力増幅機２は、動力伝達軸6bにフライホイール８を固定的に取付け、このフライホイール８に動力伝達軸6bを中心にして120度間隔の放射状に配置した３個の偏芯ウエイト9,10,11を回転軸12で回動自在に軸支している。各偏芯ウエイト9,10,11は、回転軸12に回動軸部13を回動自在に取付け、回動軸部13の外周に遊星ギヤ部14を形成するとともに、回動軸部13の外周に重量部15を回転軸12から外側に偏芯させた状態で形成している。これら３個の偏芯ウエイト9,10,11は、図２に示すように、各重量部15が動力伝達軸6bを中心にして放射状に配列するように位相を揃えて配置しており、これにより、フライホイール８に３個の偏芯ウエイト9,10,11を動力伝達軸6bを中心に放射状に偏芯させた状態で回動自在にそれぞれ軸支している。なお、図中、16は、３個の偏芯ウエイト9,10,11の回転軸12を連結する円環状の連結体である。 The power amplifier 2 has a flywheel 8 fixedly attached to the power transmission shaft 6b, and three eccentric weights 9 arranged radially at intervals of 120 degrees around the power transmission shaft 6b. , 10 and 11 are pivotally supported by a rotating shaft 12. Each of the eccentric weights 9, 10, and 11 is rotatably attached to the rotary shaft 12 with a rotary shaft portion 13 formed with a planetary gear portion 14 on the outer periphery of the rotary shaft portion 13, and The weight portion 15 is formed on the outer periphery in a state of being eccentric from the rotation shaft 12 to the outside. As shown in FIG. 2, these three eccentric weights 9, 10, 11 are arranged in phase so that the respective weight portions 15 are arranged radially around the power transmission shaft 6b. Thus, three eccentric weights 9, 10, and 11 are pivotally supported on the flywheel 8 in a state of being radially eccentric about the power transmission shaft 6b. In the figure, reference numeral 16 denotes an annular coupling body for coupling the rotating shafts 12 of the three eccentric weights 9, 10, and 11.

一方、動力増幅機２は、ケーシング７に固定ギヤ17を動力伝達軸6bと同軸上に固定的に取付けている。この固定ギヤ17は、外周に固定ギヤ部18を形成している。 On the other hand, in the power amplifier 2, a fixed gear 17 is fixedly attached to the casing 7 coaxially with the power transmission shaft 6b. This fixed gear 17 forms a fixed gear portion 18 on the outer periphery.

そして、動力増幅機２は、固定ギヤ17の固定ギヤ部18と各偏芯ウエイト9,10,11の遊星ギヤ部14とを噛合し、固定ギヤ17の外周を各偏芯ウエイト9,10,11が自転しながら回転（公転）するようにしている。 The power amplifier 2 meshes the fixed gear portion 18 of the fixed gear 17 with the planetary gear portions 14 of the eccentric weights 9, 10, 11, and the outer periphery of the fixed gear 17 is connected to the eccentric weights 9, 10, 11 is rotating (revolution) while rotating.

これにより、動力増幅機２は、図３に示すように、動力伝達軸6bの回転（矢印Ａで示す。）に伴ってフライホイール８が回転（矢印Ｂで示す。）し、フライホイール８の回転に連動して各偏芯ウエイト9,10,11が固定ギヤ17の外周を回転（公転）するとともに各偏芯ウエイト9,10,11が回転軸12を中心に回転（自転）、各偏芯ウエイト9,10,11が動力伝達軸6bの外周において同じ位相で回転（矢印Ｃで示す。）する。 As a result, as shown in FIG. 3, the power amplifier 2 causes the flywheel 8 to rotate (indicated by the arrow B) as the power transmission shaft 6 b rotates (indicated by the arrow A). Each eccentric weight 9, 10, 11 rotates (revolves) around the outer periphery of the fixed gear 17 in conjunction with the rotation, and each eccentric weight 9, 10, 11 rotates (rotates) around the rotating shaft 12 The core weights 9, 10, and 11 rotate at the same phase on the outer periphery of the power transmission shaft 6b (indicated by an arrow C).

このように、上記動力始動装置１に設けた動力増幅機２では、ケーシング７に動力伝達軸6bを回動自在に軸支するとともに、この動力伝達軸6bにフライホイール８を取付け、このフライホイール８に３個の偏芯ウエイト9,10,11を動力伝達軸6bを中心に放射状に偏芯させた状態で回動自在にそれぞれ軸支し、一方、ケーシング７に固定ギヤ17を動力伝達軸6bと同軸上に固定し、この固定ギヤ17の外周部の固定ギヤ部18と各偏芯ウエイト9,10,11の回動軸部13の遊星ギヤ部14とを噛合している。 Thus, in the power amplifier 2 provided in the power starter 1, the power transmission shaft 6b is pivotally supported on the casing 7, and the flywheel 8 is attached to the power transmission shaft 6b. 8, three eccentric weights 9, 10, 11 are pivotally supported in a state of being radially eccentric about the power transmission shaft 6b, respectively, while a fixed gear 17 is mounted on the casing 7 as a power transmission shaft. The fixed gear portion 18 on the outer peripheral portion of the fixed gear 17 and the planetary gear portion 14 of the rotating shaft portion 13 of each of the eccentric weights 9, 10, and 11 are meshed with each other.

そのため、上記動力始動装置１では、動力伝達軸6bの回転に連動してフライホイール８だけでなく３個の偏芯ウエイト9,10,11も動力伝達軸6bの周囲で回転し、フライホイール８の重量に応じた遠心力に加えて、３個の偏芯ウエイト9,10,11の重量に応じた遠心力も動力伝達軸6bに作用することになる。これにより、上記動力始動装置１では、フライホイール８の重量を増大させる必要がなくなり、動力始動装置１の大型化や重量化やそれに伴う製造や取扱いの困難化を防止することができる。 Therefore, in the power starter 1, not only the flywheel 8 but also the three eccentric weights 9, 10, 11 rotate around the power transmission shaft 6b in conjunction with the rotation of the power transmission shaft 6b. In addition to the centrifugal force corresponding to the weight, the centrifugal force corresponding to the weight of the three eccentric weights 9, 10, and 11 also acts on the power transmission shaft 6b. Thereby, in the said power starter 1, it becomes unnecessary to increase the weight of the flywheel 8, and the enlargement of the power starter 1, weight increase, and the accompanying difficulty in manufacture and handling can be prevented.

次に、変速機３の構造について説明すると、変速機３は、図１及び図４に示すように、動力伝達軸6aに駆動ギヤ19とドラムギヤ20とを前後に間隔をあけて固定的に取付けるとともに、駆動ギヤ19とドラムギヤ20の間において動力伝達軸6aに円板状の反動輪21を動力伝達軸6aと同軸上に回動自在に軸支している。 Next, the structure of the transmission 3 will be described. In the transmission 3, as shown in FIGS. 1 and 4, the drive gear 19 and the drum gear 20 are fixedly attached to the power transmission shaft 6a with a space in the front-rear direction. At the same time, a disk-like reaction wheel 21 is rotatably supported coaxially with the power transmission shaft 6a between the drive gear 19 and the drum gear 20 on the power transmission shaft 6a.

また、変速機３は、反動輪21に動力伝達軸6aを中心にして90度間隔で２本の従動軸22,22を回動自在に軸支し、各従動軸22の前端部に従動ギヤ23を固定的に取付けるとともに、各従動軸22の後端部に転動ギヤ24を固定的に取付けている。 Further, the transmission 3 rotatably supports two driven shafts 22 and 22 at a 90-degree interval around the power transmission shaft 6 a on the reaction wheel 21, and a driven gear at the front end portion of each driven shaft 22. 23 is fixedly attached, and a rolling gear 24 is fixedly attached to the rear end portion of each driven shaft 22.

そして、変速機３は、駆動ギヤ19と２個の従動ギヤ23とを伝動ベルト25で連動連結するとともに、ドラムギヤ20の内周に内周ギヤ部26を形成し、このドラムギヤ20の内周ギヤ部26と転動ギヤ24とを噛合している。 The transmission 3 interlocks the drive gear 19 and the two driven gears 23 with a transmission belt 25 and forms an inner peripheral gear portion 26 on the inner periphery of the drum gear 20. The portion 26 and the rolling gear 24 are engaged with each other.

さらに、変速機３は、反動輪21が動力伝達軸6aに対して逆方向に回転するのを強制的に阻止するための逆転防止機構27を反動輪21に連結している。 Further, the transmission 3 is connected to the reaction wheel 21 with a reverse rotation prevention mechanism 27 for forcibly preventing the reaction wheel 21 from rotating in the reverse direction with respect to the power transmission shaft 6a.

この逆転防止機構27は、ケーシング７にホルダー28を固定的に取付け、このホルダー28に付勢体29を反動輪21の外方へ向けて回動自在に取付けるとともに、ホルダー28に付勢体29を反動輪21へ向けて付勢する付勢バネ30を取付ける一方、反動輪21の外周に溝31を形成し、この溝31と付勢体29との間にボール32を介設している。付勢体29は、動力伝達軸6aの回転方向とは逆側を始端部（回動部）とし、動力伝達軸6aの回転方向と同じ側の先端部にボール32の転動を阻止する阻止部33を形成している。これにより、ボール32は、阻止部33によって付勢体29の先端側へは移動できず、付勢体29の基端側へのみ移動できるようになっている。 The reverse rotation prevention mechanism 27 is fixedly attached to the casing 7 with a holder 28, and an urging body 29 is attached to the holder 28 so as to be rotatable outward of the reaction wheel 21, and the urging body 29 is attached to the holder 28. Is attached to the reaction wheel 21, and a groove 31 is formed on the outer periphery of the reaction wheel 21, and a ball 32 is interposed between the groove 31 and the urging body 29. . The biasing body 29 has a start end portion (rotating portion) opposite to the rotation direction of the power transmission shaft 6a and prevents the ball 32 from rolling at the tip portion on the same side as the rotation direction of the power transmission shaft 6a. A portion 33 is formed. As a result, the ball 32 cannot move toward the distal end side of the urging body 29 by the blocking portion 33 but can move only toward the proximal end side of the urging body 29.

そのため、逆転防止機構27は、反動輪21が動力伝達軸6aの回転方向と逆向きに回転しようとすると、それに連動してボール32が付勢体29の基端側へ移動することになるが、付勢体29を付勢する付勢バネ30の作用でボール32が反動輪21の溝31に付勢されるので、反動輪21の回転が強制的に停止され、これにより、反動輪21が動力伝達軸6aに対して逆方向に回転するのを強制的に阻止することができるようになっている。 Therefore, when the reaction wheel 21 tries to rotate in the direction opposite to the rotation direction of the power transmission shaft 6a, the reverse rotation prevention mechanism 27 moves the ball 32 to the proximal end side of the urging body 29 in conjunction therewith. Since the ball 32 is urged to the groove 31 of the reaction wheel 21 by the action of the urging spring 30 that urges the urging body 29, the rotation of the reaction wheel 21 is forcibly stopped. Can be forcibly prevented from rotating in the reverse direction with respect to the power transmission shaft 6a.

これにより、変速機３は、図５に示すように、動力伝達軸6aの回転（矢印Ｄで示す。）に伴って駆動ギヤ19とドラムギヤ20が共に低速で回転（矢印Ｅ、Ｆで示す。）し、駆動ギヤ19の回転に連動し従動ギヤ23と転動ギヤ24が共に回転（矢印Ｇで示す。）し、これにより、動力伝達軸6aの回転開始直後においては、転動ギヤ24がドラムギヤ20の内周ギヤ部26と噛合しているために、反動輪21が動力伝達軸6aとは逆方向に回転（矢印Ｈで示す。）しようとする。 Thus, in the transmission 3, as shown in FIG. 5, the drive gear 19 and the drum gear 20 both rotate at low speeds (indicated by arrows E and F) as the power transmission shaft 6a rotates (indicated by the arrow D). The driven gear 23 and the rolling gear 24 rotate together with the rotation of the driving gear 19 (indicated by an arrow G). As a result, immediately after the rotation of the power transmission shaft 6a starts, the rolling gear 24 Since it is meshed with the inner peripheral gear portion 26 of the drum gear 20, the reaction wheel 21 tries to rotate (indicated by an arrow H) in the opposite direction to the power transmission shaft 6a.

ところが、変速機３は、反動輪21が逆転防止機構27によって動力伝達軸6aとは逆方向に回転するのを強制的に阻止されるために、動力伝達軸6aの回転開始直後においては、反動輪21が停止した状態を保持し、停止している反動輪21を介して動力伝達軸6aと駆動ギヤ19と従動ギヤ23と転動ギヤ24とドラムギヤ20とがリジッドに接続して動力伝達軸6bを回転させる。 However, since the transmission 3 is forcibly prevented from rotating the reaction wheel 21 in the reverse direction to the power transmission shaft 6a by the reverse rotation prevention mechanism 27, the reaction wheel 21 reacts immediately after the start of the rotation of the power transmission shaft 6a. The power transmission shaft 6a, the drive gear 19, the driven gear 23, the rolling gear 24, and the drum gear 20 are rigidly connected to the power transmission shaft via the reaction wheel 21 that is stopped while the wheel 21 is stopped. Rotate 6b.

その後、変速機３は、動力伝達軸6aの回転に伴って駆動ギヤ19とドラムギヤ20が共に高速で回転するようになると、それに伴って反動輪21も動力伝達軸6aの回転方向と同じ向きに低速で回転し、さらに、動力伝達軸6aの回転に伴って同方向に反動輪21がドラムギヤ20と同じ高速で回転するようになると、従動ギヤ23と転動ギヤ24の回転が停止する。 Thereafter, when the drive gear 19 and the drum gear 20 both rotate at a high speed as the power transmission shaft 6a rotates, the transmission wheel 21 moves in the same direction as the rotation direction of the power transmission shaft 6a. When the reaction wheel 21 rotates at the same high speed as the drum gear 20 in the same direction as the power transmission shaft 6a rotates, the driven gear 23 and the rolling gear 24 stop rotating.

このように、上記動力始動装置１に設けた変速機３では、動力伝達軸6aに駆動ギヤ19を取付ける一方、動力伝達軸6bにドラムギヤ20を取付け、動力伝達軸6aに反動輪21を同軸上に回動自在に軸支し、この反動輪21に従動軸22を回動自在に軸支し、この従動軸22に従動ギヤ23と転動ギヤ24とを取付け、従動ギヤ23を駆動ギヤ19に連動連結する一方、転動ギヤ24をドラムギヤ20の内面に連動連結し、さらに、反動輪21に逆転防止機構27を連結している。 Thus, in the transmission 3 provided in the power starter 1, the drive gear 19 is attached to the power transmission shaft 6a, the drum gear 20 is attached to the power transmission shaft 6b, and the reaction wheel 21 is coaxially mounted on the power transmission shaft 6a. The driven wheel 22 is rotatably supported by the reaction wheel 21, the driven gear 23 and the rolling gear 24 are attached to the driven shaft 22, and the driven gear 23 is attached to the drive gear 19. The rolling gear 24 is linked to the inner surface of the drum gear 20 and the reverse rotation prevention mechanism 27 is linked to the reaction wheel 21.

そのため、上記動力始動装置１では、変速機３によって動力伝達軸6aの始動時に強制的に動力伝達軸6aの負荷を軽減して動力伝達軸6bを増速させることができるので、動力伝達軸6bの始動をより一層円滑なものとすることができる。 Therefore, in the power starter 1, the transmission 3 can forcibly reduce the load of the power transmission shaft 6 a when the power transmission shaft 6 a is started and the speed of the power transmission shaft 6 b can be increased. Can be started more smoothly.

本発明に係る動力始動装置を示す側面断面図。Side surface sectional drawing which shows the power start device which concerns on this invention. 動力増幅機を示す正面図。The front view which shows a power amplifier. 同動作説明図。FIG. 変速機を示す正面図。The front view which shows a transmission. 同動作説明図。FIG.

Explanation of symbols

１動力始動装置２動力増幅機
３変速機４駆動軸
５駆動軸 6a,6b 動力伝達軸
７ケーシング８フライホイール
9,10,11 偏芯ウエイト 12 回転軸
13 回動軸部 14 遊星ギヤ部
15 重量部 16 連結体
17 固定ギヤ 18 固定ギヤ部
19 駆動ギヤ 20 ドラムギヤ
21 反動輪 22 従動軸
23 従動ギヤ 24 転動ギヤ
25 伝動ベルト 26 内周ギヤ部
27 逆転防止機構 28 ホルダー
29 付勢体 30 付勢バネ
31 溝 32 ボール
33 阻止部 DESCRIPTION OF SYMBOLS 1 Power starter 2 Power amplifier 3 Transmission 4 Drive shaft 5 Drive shaft 6a, 6b Power transmission shaft 7 Casing 8 Flywheel
9, 10, 11 Eccentric weight 12 Rotating shaft
13 Rotating shaft 14 Planetary gear
15 parts by weight 16 connector
17 Fixed gear 18 Fixed gear
19 Drive gear 20 Drum gear
21 reaction wheel 22 driven shaft
23 Driven gear 24 Rolling gear
25 Transmission belt 26 Inner gear
27 Reverse rotation prevention mechanism 28 Holder
29 Biasing body 30 Biasing spring
31 grooves 32 balls
33 Blocking part

Claims

A power transmission shaft is pivotally supported on the casing, a flywheel is attached to the power transmission shaft, and a plurality of eccentric weights are radially eccentrically centered on the power transmission shaft. in rotatably respectively pivotally supported while the fixed gear to the casing is fixed to the power transmitting shaft coaxially, a power starting in mesh with the rotary shaft portion of the eccentric weight and the outer peripheral portion of the fixed gear In the device
The power transmission shaft is separated into an input-side power transmission shaft and an output-side power transmission shaft, and a transmission is interposed between the input-output power transmission shaft, and the transmission is connected to the input-side power transmission shaft. Attach the drive gear to the shaft, attach the drum gear to the power transmission shaft on the output side, and pivotally support the reaction wheel on the input side power transmission shaft so that the reaction wheel can rotate freely. A driven gear and a rolling gear are attached to the driven shaft, and the driven gear is linked to the driving gear, while the rolling gear is linked to the inner surface of the drum gear, and further reverses to the reaction wheel. A power starter characterized in that a prevention mechanism is connected .