JP2675743B2 - Engine recoil starter - Google Patents
Engine recoil starterInfo
- Publication number
- JP2675743B2 JP2675743B2 JP20535993A JP20535993A JP2675743B2 JP 2675743 B2 JP2675743 B2 JP 2675743B2 JP 20535993 A JP20535993 A JP 20535993A JP 20535993 A JP20535993 A JP 20535993A JP 2675743 B2 JP2675743 B2 JP 2675743B2
- Authority
- JP
- Japan
- Prior art keywords
- engine
- starter
- rotating body
- reel
- recoil 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 - Fee Related
Links
Landscapes
- Harvester Elements (AREA)
- Ignition Installations For Internal Combustion Engines (AREA)
Description
【０００１】[0001]
【産業上の利用分野】本発明は、チエンソー、刈払機等
の小型のエンジンのリコイルスターターに係るものであ
る。BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to a recoil starter for a small engine such as a chain saw or a brush cutter.
【０００２】[0002]
【従来の技術】一般に、この種のエンジンのリコイルス
ターターは、次のように構成されている。すなわち、図
１〜図４に示すように、エンジンの１クランスケース２
に、ベアリング３によって軸支されたクランク軸４には
側面にファン５、５、…を備えた回転体７がナット９に
よって固着され、回転体７の側面には半径方向に揺動す
る揺動体１１が軸１３によって枢着されている。回転体
７の外周の一部に肉厚部１４が形成され起電用のマグネ
ット１５が埋設され、対称位置にバランスウエイトとし
て肉厚部１４が対照的に形成されている。2. Description of the Related Art Generally, a recoil starter for this type of engine is constructed as follows. That is, as shown in FIGS.
Further, a rotating body 7 having fans 5, 5, ... On its side surface is fixed to a crankshaft 4 supported by a bearing 3 by a nut 9, and a swinging body swinging in a radial direction is provided on a side surface of the rotating body 7. 11 is pivotally attached by a shaft 13. The thick portion 14 is formed on a part of the outer circumference of the rotating body 7, the electromotive magnet 15 is embedded, and the thick portion 14 is symmetrically formed as a balance weight at a symmetrical position.
【０００３】クランクケース２に固着するエンジンケー
ス１７には支軸ケース１９が固着し、支軸ケース１９の
内面にはクランク軸４と同軸心線上に支軸２１が突出し
て設けられ、支軸２１にはスターターひも２３を巻回す
るスターターリール２５が回転自在に嵌合し、ねじ２７
によって係止されている。スターターリール２５はスタ
ーターひも２３を巻き込む方向に、コイルばね２９によ
って付勢されている。A support shaft case 19 is fixed to the engine case 17 fixed to the crank case 2, and a support shaft 21 is provided on an inner surface of the support shaft case 19 so as to project coaxially with the crank shaft 4, and the support shaft 21. A starter reel 25 around which a starter string 23 is wound is rotatably fitted in the
It is locked by. The starter reel 25 is biased by a coil spring 29 in a direction in which the starter string 23 is wound.
【０００４】スターターリール２５の内側面に突出する
円筒体３１の外周に突出する係止部３３には、弾機３５
によって付勢された揺動体１１の先端が一方向に係止
し、エンジン１が回転すると遠心力によって揺動体１１
は弾機３５に抗して外方に揺動して係止部３３から離脱
するよう設けられている。揺動体１１は、フアン５の軸
方向の幅が小さく送風効果の小さい肉厚部１４、１４の
付近に設けられて送風の妨げとならないように考慮され
ている。At the engaging portion 33 projecting on the outer periphery of the cylindrical body 31 projecting on the inner surface of the starter reel 25, there is an ammunition 35.
When the engine 1 rotates, the tip of the rocking body 11 biased by the rocking body 11 is locked in one direction, and the rocking body 11 is rotated by centrifugal force.
Is provided so as to swing outwards against the ammunition 35 and disengage from the locking portion 33. The oscillating body 11 is provided in the vicinity of the thick-walled portions 14, 14 having a small width in the axial direction of the fan 5 and having a small air blowing effect, and is considered so as not to hinder the air blowing.
【０００５】従来のリコイルスターターは、図７、図８
に示すように、遠心力によって外方に揺動したときに肉
厚部１４の内縁の段部３７に当接して係止されるよう設
けられていた。The conventional recoil starter is shown in FIGS.
As shown in FIG. 5, when it swings outward due to the centrifugal force, it is provided so as to come into contact with the stepped portion 37 at the inner edge of the thick portion 14 to be locked.
【０００６】[0006]
【発明が解決しようとする課題】揺動体１１が遠心力に
よって外方に揺動したとき、揺動体１１と段部３７との
間および揺動体１１と回転体７の側面との間に塵埃３８
が堆積し、揺動体１１の作動不良によってエンジンの始
動困難を生じていた。When the oscillating body 11 oscillates outward by centrifugal force, dust 38 is present between the oscillating body 11 and the step portion 37 and between the oscillating body 11 and the side surface of the rotating body 7.
Was accumulated, and the engine was difficult to start due to malfunction of the oscillator 11.
【０００７】[0007]
【課題を解決するための手段】本発明は、肉厚部１４の
内縁の段部３７に角部を切り欠いた形状の傾斜面３９を
形成したものである。According to the present invention, a stepped portion 37 at the inner edge of the thick portion 14 is formed with an inclined surface 39 having a notched corner.
【０００８】[0008]
【作用】スターターひも２３を引くと、スターターリー
ル２５が回転し、係止部３３、揺動体１１を介して回転
体７、クランク軸４が回転し、エンジン１が始動する。
エンジン１の回転によって、揺動体１１が遠心力で外方
に揺動して係止部３３から離脱する。揺動体１１と段部
３７の間に堆積しようとする塵埃等は遠心力によって傾
斜面３９に沿って外方に放出されるので、揺動体１１と
回転体７との間に塵埃が堆積することがない。When the starter string 23 is pulled, the starter reel 25 rotates, the rotating body 7 and the crankshaft 4 rotate via the locking portion 33 and the rocking body 11, and the engine 1 starts.
Due to the rotation of the engine 1, the rocking body 11 rocks outward due to centrifugal force and is separated from the locking portion 33. Since dust or the like that is to be accumulated between the rocking body 11 and the step portion 37 is discharged outward along the inclined surface 39 by the centrifugal force, dust is accumulated between the rocking body 11 and the rotating body 7. There is no.
【０００９】[0009]
【実施例】以下、本発明の１実施について説明する。図
１〜図４に示す構成に付いては一般のリコイルスタータ
ーと同じである。図５〜図６において、肉厚部１４の段
部３７は角部を切り欠いた形状の傾斜面３９が形成され
ている。EXAMPLES One embodiment of the present invention will be described below. The configuration shown in FIGS. 1 to 4 is the same as that of a general recoil starter. 5 to 6, the stepped portion 37 of the thick portion 14 is formed with an inclined surface 39 having a notched corner portion.
【００１０】エンジン１を始動するには、スターターひ
も２３を引くと前述のように、係止部３３、揺動体１１
を介してクランク軸４が回転してエンジン１が始動す
る。エンジン１が所定の回転速度に達すると遠心力によ
って揺動体１１が揺動して係止部３３から離脱する。ス
ターターひも２３を弛めるとコイルばね２９によってス
ターターリール２５が逆回転してスターターひも２３を
巻き込むものである。エンジン１の回転中に揺動体１１
と回転体４との間に堆積しようとする塵埃等は遠心力に
よって傾斜面３９に沿って外方に放出されるものであ
る。To start the engine 1, when the starter string 23 is pulled, as described above, the engaging portion 33 and the rocking member 11 are provided.
The crankshaft 4 rotates through the engine to start the engine 1. When the engine 1 reaches a predetermined rotation speed, the oscillating body 11 oscillates due to the centrifugal force and disengages from the locking portion 33. When the starter string 23 is loosened, the starter reel 25 is reversely rotated by the coil spring 29, and the starter string 23 is wound. Oscillator 11 during rotation of engine 1
The dust or the like that is to be deposited between the rotating body 4 and the rotating body 4 is discharged outward along the inclined surface 39 by the centrifugal force.
【００１１】[0011]
【発明の効果】本発明によれば、揺動体と回転体との間
に塵埃等が堆積することを防ぎ、回転体の作動不良によ
るエンジンの始動困難をなくすことができるものであ
る。According to the present invention, it is possible to prevent dust and the like from accumulating between the oscillating body and the rotating body, and to avoid difficulty in starting the engine due to malfunction of the rotating body.
【図１】リコイルスターターの平断面図である。FIG. 1 is a plan sectional view of a recoil starter.
【図２】同側断面図である。FIG. 2 is a side sectional view of the same.
【図３】図１のIII −III 線方向のスターターリールの
側面図である。FIG. 3 is a side view of the starter reel taken along line III-III in FIG.
【図４】係止部の平面図である。FIG. 4 is a plan view of a locking portion.
【図５】本考案の１実施例の側面図である。FIG. 5 is a side view of an embodiment of the present invention.
【図６】図５のVI−VI線方向の断面図である。6 is a sectional view taken along line VI-VI in FIG.
【図７】従来例の側面図である。FIG. 7 is a side view of a conventional example.
【図８】図７のVIII−VIII線方向の断面図である。8 is a sectional view taken along line VIII-VIII in FIG.
１ エンジン ７ 回転体 １１ 揺動体 ２５ スターターリール ３３ 係止部 ３５ 弾機 ３７ 段部 ３９ 傾斜面 1 Engine 7 Rotating Body 11 Swinging Body 25 Starter Reel 33 Locking Part 35 Ammunition Machine 37 Step Section 39 Slope
───────────────────────────────────────────────────── フロントページの続き (56)参考文献 実開 昭50−99325（ＪＰ，Ｕ) 実開 昭52−59844（ＪＰ，Ｕ) 実開 昭63−22380（ＪＰ，Ｕ) 実開 平４−30268（ＪＰ，Ｕ) 実開 昭62−169260（ＪＰ，Ｕ) ─────────────────────────────────────────────────── ─── Continuation of the front page (56) References Showa 50-99325 (JP, U) Showa 52-59844 (JP, U) Showa 63-22380 (JP, U) Showa Flat 4- 30268 (JP, U) Actually opened Sho 62-169260 (JP, U)
Claims (1)
回転自在のスターターリール２５を設け、前記クランク
軸４に固着する回転体７に半径方向に揺動自在に枢着さ
れ、弾機３５によって前記スターターリール２５の係止
部３３に一方向に係止し、遠心力によって離脱自在の揺
動体１１を設け、前記揺動体１１を離脱位置において前
記回転体７に係止する段部３７に角部を切り欠いた形状
の傾斜面３９を形成したことを特徴とするエンジンのリ
コイルスターター。1. A crankshaft 4 of an engine 1 is provided with a rotatable starter reel 25 coaxially therewith, and a starter reel 25 is pivotally attached to a rotor 7 fixed to the crankshaft 4 so as to be swingable in a radial direction, and an ammunition 35 The oscillating body 11 that is engaged with the engaging portion 33 of the starter reel 25 in one direction by means of centrifugal force is provided, and the oscillating body 11 is attached to the rotating body 7 at the detaching position. An recoil starter for an engine, characterized in that an inclined surface 39 having a notched corner portion is formed.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP20535993A JP2675743B2 (en) | 1993-08-19 | 1993-08-19 | Engine recoil starter |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP20535993A JP2675743B2 (en) | 1993-08-19 | 1993-08-19 | Engine recoil starter |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| JPH0754739A JPH0754739A (en) | 1995-02-28 |
| JP2675743B2 true JP2675743B2 (en) | 1997-11-12 |
Family
ID=16505560
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP20535993A Expired - Fee Related JP2675743B2 (en) | 1993-08-19 | 1993-08-19 | Engine recoil starter |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JP2675743B2 (en) |
Families Citing this family (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP4301480B2 (en) * | 2000-11-06 | 2009-07-22 | スターテング工業株式会社 | Recoil starter |
| JP6546039B2 (en) * | 2015-08-24 | 2019-07-17 | 三菱重工メイキエンジン株式会社 | Recoil starter and engine |
-
1993
- 1993-08-19 JP JP20535993A patent/JP2675743B2/en not_active Expired - Fee Related
Also Published As
| Publication number | Publication date |
|---|---|
| JPH0754739A (en) | 1995-02-28 |
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