JPH07701Y2 - Internal combustion engine device - Google Patents
Internal combustion engine deviceInfo
- Publication number
- JPH07701Y2 JPH07701Y2 JP1989060980U JP6098089U JPH07701Y2 JP H07701 Y2 JPH07701 Y2 JP H07701Y2 JP 1989060980 U JP1989060980 U JP 1989060980U JP 6098089 U JP6098089 U JP 6098089U JP H07701 Y2 JPH07701 Y2 JP H07701Y2
- Authority
- JP
- Japan
- Prior art keywords
- internal combustion
- combustion engine
- crankshaft
- ring
- starter
- 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
Landscapes
- Arrangement Of Transmissions (AREA)
- Ignition Installations For Internal Combustion Engines (AREA)
Description
【考案の詳細な説明】 産業上の利用分野 本考案は内燃機関装置に関し、特に手動始動装置及び自
動始動装置の両方を備えた種類の内燃機関装置に関す
る。FIELD OF THE INVENTION The present invention relates to internal combustion engine systems, and more particularly to internal combustion engine systems of the type having both manual and automatic starters.
従来の技術 従来、手動始動装置と自動始動装置とを備えた内燃機関
装置は、例えば、リコイル式始動装置等の手動始動装置
を内燃機関のクランク軸の一端部側に同軸状に設けると
共に、始動モータを有する自動始動装置をもクランク軸
の前記一端部側に設け、機関始動に際して手動始動装置
を操作してクランク軸を回転駆動するか、又は自動始動
装置の始動モータを付勢してクランク軸を回転駆動する
ように構成されている。このように、従来の前記した種
類の内燃機関装置は、クランク軸の一端部側に前記した
２つの始動装置を設けるためのかなり大きなスペースを
必要とするので、装置の小型化を困難にしているのみな
らず、装置の重量配分がクランク軸の一端部側に片寄つ
て不均一になり、このためそのような内燃機関装置を特
に背負式作業機械等の携帯式作業機械に使用すると、作
業者に不安定で不快な部分的荷重が加わり、作業能率を
低下させたりする。また、一般的に自動始動装置は手動
始動装置の伝動機構を介してクランク軸と始動時に駆動
上連結されるので、手動始動装置だけを設けた内燃機関
装置との共甲部分が少なく、このため装置のコストが高
くなる等の欠点があつた。2. Description of the Related Art Conventionally, an internal combustion engine device including a manual starting device and an automatic starting device is provided with a manual starting device such as a recoil type starting device provided coaxially on one end side of a crankshaft of the internal combustion engine and is started. An automatic starter having a motor is also provided on the one end side of the crankshaft, and when starting the engine, the manual starter is operated to rotationally drive the crankshaft, or the starter motor of the automatic starter is urged to crank the crankshaft. Is configured to be rotationally driven. As described above, the conventional internal combustion engine device of the above-mentioned type requires a considerably large space for providing the above-mentioned two starting devices on one end side of the crankshaft, which makes it difficult to downsize the device. Not only that, the weight distribution of the device is unevenly distributed to the one end side of the crankshaft, and therefore, when such an internal combustion engine device is used for a portable work machine such as a backpack work machine, the worker is Unstable and uncomfortable partial loads are applied, which reduces work efficiency. In addition, since the automatic starter is generally drivingly connected to the crankshaft via the transmission mechanism of the manual starter at the time of starting, there is little joint part with the internal combustion engine device provided with only the manual starter. There are drawbacks such as high cost of the device.
考案が解決しようとする課題 そこで、本考案は上述したような従来の技術の欠点を取
除くと共に、簡単で便利な形の前記した種類の内燃機関
装置を提供することを目的とする。SUMMARY OF THE INVENTION It is therefore an object of the present invention to eliminate the above-mentioned drawbacks of the prior art and to provide an internal combustion engine device of the type described above in a simple and convenient form.
課題を解決するための手段 即ち、本考案によれば、手動始動装置と自動始動装置と
を設けた内燃機関装置は、前記手動始動装置を前記内燃
機関装置の内燃機関のクランク軸の一方の端部側に配置
し、前記自動始動装置の始動モータを前記内燃機関のク
ランクケースの中央底部に近接して配置し、前記始動モ
ータを伝動手段を介して前記内燃機関の前記クランク軸
の他方の端部に固着した回転部材のボス部の外周に近接
せしめて回動自在に配設されたリング状大歯車に駆動上
連結せしめると共に、該リング状大歯車を前記回転部材
のボス部の基部外周に固着したリング状ベースプレート
にリング状のワンウエイクラッチを介して駆動上連結構
成を特徴とする。Means for Solving the Problems That is, according to the present invention, an internal combustion engine device provided with a manual starting device and an automatic starting device is provided with the manual starting device and one end of a crankshaft of an internal combustion engine of the internal combustion engine device. The crankshaft of the internal combustion engine, the starter motor of the automatic starter is disposed close to the center bottom of the crankcase of the internal combustion engine, and the starter motor is connected to the other end of the crankshaft of the internal combustion engine via a transmission means. The ring-shaped large gear is drivingly connected to a ring-shaped large gear that is rotatably arranged in the vicinity of the outer periphery of the boss of the rotating member, and the ring-shaped large gear is attached to the outer periphery of the base of the boss of the rotating member. It is characterized by a drive connection structure via a ring-shaped one-way clutch to a fixed ring-shaped base plate.
作用 従つて、手動始動装置は、それで内燃機関を始動する時
にクランク軸の一方の端部側からクランク軸へ駆動力を
賦与し、且つ自動始動装置はそれで内燃機関を始動する
時に、クランク軸の他方の端部側からクランク軸へ駆動
力を賦与する。Therefore, the manual starting device applies a driving force to the crankshaft from one end of the crankshaft when the internal combustion engine is started by the manual starting device, and the automatic starting device uses the crankshaft of the crankshaft when starting the internal combustion engine. The driving force is applied to the crankshaft from the other end side.
実施例 次に、本考案を図面の実施例に基づいて説明する。Embodiment Next, the present invention will be described based on an embodiment of the drawings.
図示した実施例は本考案を、背負式動力薬液散布機等の
動力送風作業機の内燃機関装置に適用した例であり、こ
の作業機は作業者が背負う背負架台（図示せず）上にブ
ロア１が載架され、該ブロア１は、例えば、図示しない
がその上部に設けられた薬液タンクから調量弁を介して
供給される薬液を吐出管の先端部に設けられた噴霧ノズ
ルから加圧空気と混合して外部へ噴霧するようになつて
いる。上述した構成は当業者によく知られており、ここ
ではこれ以上詳しく説明しない。The illustrated embodiment is an example in which the present invention is applied to an internal combustion engine device of a power blowing working machine such as a backpack type power chemical spraying machine, and the working machine is a blower mounted on a backpack (not shown) carried by a worker. 1 is mounted, and the blower 1 pressurizes, for example, a chemical solution supplied from a chemical solution tank (not shown) via an adjusting valve from a spray tank provided at the top of the blower 1 from a spray nozzle provided at the tip of the discharge pipe. It is designed to be mixed with air and sprayed to the outside. The configurations described above are well known to those skilled in the art and will not be described in further detail here.
前記ブロア１の後部に内燃機関装置２が直結して設けら
れており、該内燃機関装置２はこの例では空冷二サイク
ル内燃機関３を有し、該内燃機関３は、そのクランク軸
４の一方の端部５側において前記ブロア１の羽根車６の
ボス部７に連結されている。前記内燃機関３のクランク
軸４の他方の端部８側には手動始動装置９がそれに近接
して同軸状に配置されている。An internal combustion engine device 2 is directly connected to a rear portion of the blower 1, and the internal combustion engine device 2 has an air-cooled two-cycle internal combustion engine 3 in this example, and the internal combustion engine 3 has one of crankshafts 4 thereof. Is connected to the boss portion 7 of the impeller 6 of the blower 1 at the end 5 side. On the side of the other end 8 of the crankshaft 4 of the internal combustion engine 3, a manual starting device 9 is coaxially arranged close to it.
該手動始動装置９は通常のリコイル式始動装置であつ
て、ケース10内にぜんまい11を配置し、前記ケース10の
中央ボス部12にリコイルドラム13を回転可能に装着して
前記ぜんまい11の外周端を前記リコイルドラム13側に係
止し、前記ぜんまい11の内周端を前記ケース10側に係止
し、前記リコイルドラム13の周方向溝14にリコイルロー
プ15が渦巻状に巻込まれ、その内方端を前記リコイルド
ラム13に係止し、前記リコイルドラム13の前記クランク
軸４側の中央部に設けた環状ボス16の係合部17を、前記
内燃機関３のクランク軸４の端部８に設けた遠心ラチエ
ツト爪18に係脱自在に連結して構成されている。この手
動始動装置９で内燃機関３を始動する時、リコイルロー
プ15を外部へ引張つてリコイルドラム13を回転させ、そ
れによりクランク軸４を回転させて内燃機関３を始動す
る。The manual starting device 9 is a normal recoil type starting device, in which a mainspring 11 is arranged in a case 10, a recoil drum 13 is rotatably mounted on a central boss portion 12 of the case 10, and the outer periphery of the mainspring 11 is arranged. The end is locked to the recoil drum 13 side, the inner peripheral end of the mainspring 11 is locked to the case 10 side, and the recoil rope 15 is spirally wound in the circumferential groove 14 of the recoil drum 13. The inner end is locked to the recoil drum 13, and the engaging portion 17 of the annular boss 16 provided in the central portion of the recoil drum 13 on the crankshaft 4 side is connected to the end portion of the crankshaft 4 of the internal combustion engine 3. The centrifugal ratchet claw 18 provided on the No. 8 is detachably connected to the centrifugal ratchet pawl 18. When the internal combustion engine 3 is started by the manual starter 9, the recoil rope 15 is pulled to the outside to rotate the recoil drum 13, thereby rotating the crankshaft 4 and starting the internal combustion engine 3.
これに対して、前記自動始動装置19は、その始動モータ
20を前記内燃機関３のクランクケース21の中央底部に近
接して配置し、前記始動モータ20の駆動軸は、前記手動
始動装置９と軸線方向反対側の前記ブロア１側へ突出し
て駆動小歯車22を形成している。該駆動小歯車22は、前
記クランクケース21に植設された軸23に回転自動に支持
された中間二重歯車24の径側と噛合つている。前記中間
二重歯車24の小径側はリング状大歯車25と噛合つてお
り、該リング状大歯車25は前記クランクケース21に固着
された軸受筒27の外周にローラーベアリング26を介して
回転可能に支持されている。リング状のローラ式ワンウ
エイクラツチＣが、前記リング状大歯車25を駆動側部
材、前記羽根車６のボス部７に嵌合固着されたリング状
ベースプレート28を従動側部材として介装されている。
該ワンウエイクラツチＣは、前記リング状大歯車25側か
らの内燃機関３の作動方向の回転力は伝達するが、それ
と逆方向の回転力の伝達を遮断するようになつている。
この自動始動装置19で内燃機関３を始動する時、始動モ
ータ20へ通電して始動モータ20を駆動軸を回転し、この
回転力を、減速装置としての歯車22,24,25を伝動手段と
して用い、ワンウエイクラツチＣを介してブロア１の羽
根車６へ伝達することによりクランク軸４の端部５へ伝
達してクランク軸４を回転させ、内燃機関３を始動す
る。On the other hand, the automatic starter 19 is
20 is arranged close to the center bottom of the crankcase 21 of the internal combustion engine 3, and the drive shaft of the starting motor 20 projects toward the blower 1 side opposite to the manual starter 9 in the axial direction. Forming 22. The drive small gear 22 meshes with a radial side of an intermediate double gear 24 that is automatically and rotatably supported by a shaft 23 embedded in the crankcase 21. The small-diameter side of the intermediate double gear 24 meshes with a ring-shaped large gear 25, and the ring-shaped large gear 25 is rotatably mounted on the outer circumference of a bearing cylinder 27 fixed to the crankcase 21 via a roller bearing 26. It is supported. A ring-shaped roller type one-way clutch C is interposed with the ring-shaped large gear 25 as a drive side member and a ring-shaped base plate 28 fitted and fixed to the boss portion 7 of the impeller 6 as a driven side member.
The one-way clutch C transmits the rotational force in the operating direction of the internal combustion engine 3 from the ring-shaped large gear 25 side, but blocks the transmission of the rotational force in the opposite direction.
When the internal combustion engine 3 is started by the automatic starter 19, the starter motor 20 is energized to rotate the drive shaft of the starter motor 20, and this rotational force is used by the gears 22, 24, 25 as reduction gears as transmission means. By using the one-way clutch C, it is transmitted to the impeller 6 of the blower 1 to be transmitted to the end 5 of the crankshaft 4 to rotate the crankshaft 4 and start the internal combustion engine 3.
なお、伝動手段としての歯車22,24,25に代えて、タイミ
ングベルト等を用いても良い。A timing belt or the like may be used instead of the gears 22, 24, 25 as the transmission means.
考案の効果 以上説明した本考案の構成により、本考案は、内燃機関
と回転部材との間に形成されるデッドスペースを活用す
ると共に回転部材のボス部の基部を補強することができ
るだけでなく、手動始動装置及び自動手動装置をそれぞ
れの従来の始動装置の部品を共用して構成することがで
き、それにより装置を安価に製作することができ、また
自動始動装置の始動モータをクランクケースの中央底部
のデツドスペースに配置して装置の小型化並びに重量の
均等配分を実現し、特に携帯用作業機械で使用するに適
する内燃機関装置を提供し得等の効果を奏する。With the configuration of the present invention described above, the present invention can not only utilize the dead space formed between the internal combustion engine and the rotating member and reinforce the base of the boss portion of the rotating member, The manual starter and the automatic manual starter can be configured by sharing the parts of the conventional starter, so that the device can be manufactured inexpensively, and the starter motor of the automatic starter can be installed in the center of the crankcase. By arranging the device in the dead space at the bottom and realizing the downsizing of the device and the even distribution of weight, it is possible to provide an internal combustion engine device suitable for use in a portable working machine.
第１図は本考案に係る一実施例を示す内燃機関装置の要
部縦断面図である。 ２…内燃機関装置、３…内燃機関、４…クランク軸、5,
8…クランク軸の端部、９…手動始動装置、10…自動始
動装置、20…始動モータ、21…クランクケース、22,24,
25…伝動手段、Ｃ…ワンウエイクラツチ。FIG. 1 is a longitudinal sectional view of an essential part of an internal combustion engine device showing an embodiment according to the present invention. 2 ... internal combustion engine device, 3 ... internal combustion engine, 4 ... crankshaft, 5,
8 ... End of crankshaft, 9 ... Manual starter, 10 ... Automatic starter, 20 ... Starter motor, 21 ... Crankcase, 22, 24,
25 ... Transmission means, C ... One-way clutch.
───────────────────────────────────────────────────── フロントページの続き (56)参考文献 特開 昭63−285263（ＪＰ，Ａ) 実開 昭64−4858（ＪＰ，Ｕ) 実開 昭59−85378（ＪＰ，Ｕ) ─────────────────────────────────────────────────── ─── Continuation of the front page (56) References JP-A-63-285263 (JP, A) Actually opened 64-64858 (JP, U) Actually opened 59-85378 (JP, U)
Claims (1)
燃機関装置において、前記手動始動装置（９）を前記内
燃機関装置（２）の内燃機関（３）のクランク軸（４）
の一方の端部（８）側に配置し、前記自動始動装置（1
9）の始動モータ（20）を前記内燃機関のクランクケー
ス（21）の中央底部に近接して配置し、前記始動モータ
を伝動手段（22,24）を介して前記内燃機関の前記クラ
ンク軸の他方の端部（５）に固着した回転部材（６）の
ボス部（７）の外周に近接せしめて回動自在に配設され
たリング状大歯車（25）に駆動上連結せしめるととも
に、該リング状大歯車を前記回転部材のボス部の基部外
周に固着したリング状ベースプレート（28）にリング状
のワンウエイクラッチ（Ｃ）を介して駆動上連結したこ
とを特徴とする内燃機関装置。1. An internal combustion engine device provided with a manual starting device and an automatic starting device, wherein the manual starting device (9) is a crankshaft (4) of an internal combustion engine (3) of the internal combustion engine device (2).
It is arranged on one end (8) side of the automatic starter (1
The starting motor (20) of 9) is arranged close to the center bottom of the crankcase (21) of the internal combustion engine, and the starting motor is connected to the crankshaft of the internal combustion engine via transmission means (22, 24). The rotary member (6) fixed to the other end (5) is drivingly connected to a ring-shaped large gear (25) arranged rotatably close to the outer periphery of the boss (7) of the rotary member (6). An internal combustion engine device characterized in that a ring-shaped large gear is drivingly connected to a ring-shaped base plate (28) fixed to the outer periphery of the boss portion of the rotating member via a ring-shaped one-way clutch (C).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP1989060980U JPH07701Y2 (en) | 1989-05-29 | 1989-05-29 | Internal combustion engine device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP1989060980U JPH07701Y2 (en) | 1989-05-29 | 1989-05-29 | Internal combustion engine device |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| JPH031265U JPH031265U (en) | 1991-01-09 |
| JPH07701Y2 true JPH07701Y2 (en) | 1995-01-11 |
Family
ID=31588826
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP1989060980U Expired - Lifetime JPH07701Y2 (en) | 1989-05-29 | 1989-05-29 | Internal combustion engine device |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPH07701Y2 (en) |
Families Citing this family (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US20090255502A1 (en) * | 2008-04-09 | 2009-10-15 | Cook Trent A | Starter System for Engine |
Family Cites Families (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS5985378U (en) * | 1982-11-30 | 1984-06-09 | スズキ株式会社 | starting device |
| JP2521096B2 (en) * | 1987-05-19 | 1996-07-31 | スタ−テング工業株式会社 | Starter |
| JPH0649904Y2 (en) * | 1987-06-29 | 1994-12-14 | 川崎重工業株式会社 | Starter device for general-purpose engine |
-
1989
- 1989-05-29 JP JP1989060980U patent/JPH07701Y2/en not_active Expired - Lifetime
Also Published As
| Publication number | Publication date |
|---|---|
| JPH031265U (en) | 1991-01-09 |
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