JP3507280B2 - Wiring structure of portable work machine - Google Patents
Wiring structure of portable work machineInfo
- Publication number
- JP3507280B2 JP3507280B2 JP15006597A JP15006597A JP3507280B2 JP 3507280 B2 JP3507280 B2 JP 3507280B2 JP 15006597 A JP15006597 A JP 15006597A JP 15006597 A JP15006597 A JP 15006597A JP 3507280 B2 JP3507280 B2 JP 3507280B2
- Authority
- JP
- Japan
- Prior art keywords
- operation rod
- cover
- groove
- wiring structure
- control wiring
- 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)
Description
【発明の詳細な説明】
【０００１】
【発明の属する技術分野】本発明は、携帯用作業機の配
線構造に関する。
【０００２】
【従来の技術】携帯用作業機の一例である刈払機は、図
４に示すごとく、小型空冷式２サイクルガソリンエンジ
ン等よりなる原動機部１を構成するファンカバー２の操
作桿取付筒部２ａに接続された操作桿３の先端に刈刃４
が設けられ、前記操作桿３の適位置に操作ハンドル５が
設けられて構成され、該操作ハンドル５部には、前記原
動機部１からの停止スイッチ用配線やスロットルケーブ
ル等の制御用配線６が延長されている。
【０００３】従来、前記制御用配線６は、前記原動機部
１の本体カバーから直接外部に引き出され、外部に露出
したままで前記原動機部１から前記操作桿３の適位置に
導かれて、一旦係止具３ａで係留された後、更に前記操
作ハンドル５部迄延長していた。
【０００４】図４中、７は駆動軸、８はエンジン停止用
スライドスイッチ、８ａはスロットルレバー、９は小型
空冷式２サイクルガソリンエンジン、１０はエアクリー
ナ、１１は排気マフラー、１２は燃料タンク、１３はリ
コイルスタータである。
【０００５】
【発明が解決しようとする課題】前記のごとく、制御用
配線６が原動機部１の周囲に露出していると、刈払い作
業中、あるいは携帯移動中に木枝等に引っ掛けて断線、
損傷等する場合があり、さらに体裁の面でも好ましいと
は言えなかった。
【０００６】本発明は、前記事情に鑑み、為されたもの
で、制御用配線６が原動機部１の周囲に露出させられる
ことがなく、したがって、前記制御用配線６の断線、損
傷等の事故が防止され、さらに体裁のよい刈払機及びそ
のための配線構造を提供することをを目的とする。
【０００７】
【課題を解決するための手段】本発明は、前記目的を達
成するため、原動機部から操作桿の操作ハンドル部に延
長される制御用配線が、前記原動機部のカバー内部を案
内され、該カバーの操作桿取付筒部の基部から前記カバ
ーの外部に導出され、防振ゴムの伸縮時の逃げ部となる
へこみ部分に適合させられて前記操作桿取付筒部外側面
の前記操作桿方向に設けた溝部に案内されて前記操作ハ
ンドル部に延長させられてなり、前記溝部にはその開口
部を覆うキャップが嵌合させられてなる構成としたもの
である。
【０００８】
【発明の実施の形態】以下に本発明の実施の一形態を具
体的に説明する。図１は本発明に係る配線構造の実施の
一形態を示す要部縦断面図、図２は図１のＩＩ−ＩＩ矢
視断面図、図３は図１の要部の分解斜視図、図４は従来
の刈払機の一例を示す斜視図である。図１乃至図３に本
発明の実施の一形態が示されている。なお、同図中、図
４と同一部分には同一符号が付されている。すなわち、
図１乃至図３中、２は、図示しないエンジン冷却ファン
を覆うファンカバー、２ａは操作桿取付筒部、３は操作
桿、６は制御用配線、７は駆動軸である。
【０００９】本実施の形態では、例えば、前記操作ハン
ドル５部に設けられたエンジン停止用スライドスイッチ
８へのプラス・マイナスの二本のビニール被覆平行電線
よりなるエンジン制御用配線６が、前記ファンカバー２
の内部に設けられた遠心クラッチドラム２１、その他の
可動部分に接触等しないように、前記ファンカバー２内
部を案内される。
【００１０】図示の実施の形態では、前記ファンカバー
２内において前記遠心クラッチドラム２１を囲繞する周
壁２ｂに固定したグロメット１４に前記エンジン制御用
配線６を挿通固定せしめ、さらに前記ファンカバー２の
成形時に開口２ｃの内側に同時に成形したフック状の係
止部１５に係止させて、前記ファンカバー２内において
前記エンジン制御用配線６が前記冷却用ファン、前記遠
心クラッチドラム２１、その他の可動部分に接触等しな
いように案内している。
【００１１】なお、前記エンジン制御用配線６の内端
に、マグネトコイル２０の端子２０ａに差し込んで電気
的に接続せしめるコネクタ６ｂを取着し、前記グロメッ
ト１４との間に折り返し部６ａを形成する等して、３０
〜４０ｍｍ程度のたるみを持たせて、前記ファンカバー
２の前記エンジン１本体への着脱作業を容易にせしめる
とよい。つぎに、前記エンジン制御用配線６が前記ファ
ンカバー２の操作桿取付筒部２ａの基部から外部に導出
される。具体的には、前記ファンカバー２の成形時に前
記操作桿取付筒部２ａの基部に構成した前記開口２ｃか
ら、前記エンジン制御用配線６を一旦引き出して、図２
に示されているように、防振ゴム１９の伸縮時の逃げ部
となるへこみ部分１９ａに適合させて前記操作桿取付筒
部２ａ外側面の前記操作桿３方向に設けた溝部１７に案
内し、該溝部１７の先端から引き出し、更に前記操作桿
３に沿って前記操作ハンドル５部に延長される。
【００１２】そしてその後、前記溝部１７にはその開口
部１７ａを覆うキャップ１８が嵌合させられる。なお、
前記溝部１７は前記ファンカバー２のプラスチックイン
ジェクション成形時に同時に成形することが望ましい。
前記のごとく、防振ゴム１９の伸縮時の逃げ部となるへ
こみ部分１９ａに適合するように前記溝部１７を成形す
ると、前記ファンカバー２の前記操作桿取付筒部２ａの
外周に生じる出っ張りを必要最小限にすることができ、
体裁がよいものである。
【００１３】図３には前記溝部１７の実施の一形態が示
されている。すなわち、前記操作桿取付筒部２ａに設け
た前記溝部１７を蟻溝状に成形し、一方、該蟻溝状の溝
部１７を覆う前記キャップ１８を前記溝部１７の先端部
からスライド嵌合させる形態であり、前記キャップ１８
の両端には、ガイドとなる係合部１８ａがそれぞれ形成
されるとともに、それぞれの内方端に抜け止め用の逆止
爪１８ｂがスプリングアクションを与えて形成されてい
る。
【００１４】なお、本発明における前記溝部１７及びキ
ャップ１８は、前記構成に限定されるものではなく、溝
部１７はファンカバ−２の成形後別に取り付けてもよ
く、また、キャップ１８は上方から嵌め込む方式でもよ
く、さらにまた、キャップ１８は予め溝部１７の一側に
ヒンジで連結して設け、他側を開閉及び係合自在に構成
してもよい。
【００１５】また、溝部１７内において、制御用配線６
をコネクタで着脱自在にせしめることもできる。
【００１６】
【発明の効果】本発明によれば、作業中、あるいは携帯
移動中における制御用配線が木枝等に引っ掛かって断
線、損傷する等の事故を防止することができるとともに
体裁のよい携帯用作業機を提供できる。Description: BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to a wiring structure for a portable working machine. [0002] brushcutter is an example of the Related Art Portable working machine, as shown in FIG. 4, the fan cover with second operation桿取constituting the prime mover unit 1 consisting of a small air-cooled two-stroke gasoline engine and the like A cutting blade 4 is attached to the tip of the operating rod 3 connected to the cylindrical portion 2a.
An operation handle 5 is provided at an appropriate position of the operation rod 3. The operation handle 5 includes a control switch wiring 6 such as a stop switch wiring from the motor unit 1 and a throttle cable. Has been extended. Conventionally, the control wiring 6 is directly drawn out of the main body cover of the prime mover unit 1 and is guided from the prime mover unit 1 to an appropriate position of the operation rod 3 while being exposed to the outside. After being moored by the locking member 3a, it was further extended to the operation handle 5 portion. In FIG. 4, 7 is a drive shaft, 8 is a slide switch for stopping the engine, 8a is a throttle lever, 9 is a small air-cooled two-cycle gasoline engine, 10 is an air cleaner, 11 is an exhaust muffler, 12 is a fuel tank, 13 Is a recoil starter. [0005] As described above, if the control wiring 6 is exposed around the motor unit 1, the control wiring 6 is hooked on a tree branch or the like during a mowing operation or while being carried while being carried, and is disconnected. ,
In some cases, it could be damaged, and the appearance was not favorable. The present invention has been made in view of the above circumstances, and the control wiring 6 is not exposed around the prime mover unit 1. Therefore, the control wiring 6 may be disconnected or damaged. It is an object of the present invention to provide a bush cutter with good appearance and a wiring structure therefor. According to the present invention, in order to achieve the above object, a control wiring extending from a motor unit to an operating handle of an operation rod is guided inside a cover of the motor unit. , Which is led out of the cover from the base of the operation rod mounting cylindrical portion of the cover, and serves as a relief portion when the anti-vibration rubber expands and contracts.
It is adapted to the recessed portion, is guided by a groove provided in the operation rod direction on the outer surface of the operation rod mounting cylinder portion, and is extended to the operation handle portion, and the groove has a cap covering an opening thereof. It is configured to be fitted. An embodiment of the present invention will be specifically described below. FIG. 1 is a longitudinal sectional view of an essential part showing an embodiment of a wiring structure according to the present invention, FIG. 2 is a sectional view taken along the line II-II of FIG. 1, FIG. 3 is an exploded perspective view of the essential part of FIG. FIG. 4 is a perspective view showing an example of a conventional brush cutter. 1 to 3 show an embodiment of the present invention. In the figure, the same parts as those in FIG. 4 are denoted by the same reference numerals. That is,
1 to 3, reference numeral 2 denotes a fan cover for covering an engine cooling fan (not shown), 2a denotes an operation rod mounting cylinder, 3 denotes an operation rod, 6 denotes a control wiring, and 7 denotes a drive shaft. In the present embodiment, for example, an engine control wiring 6 composed of two plus and minus vinyl-coated parallel electric wires to an engine stop slide switch 8 provided on the operation handle 5 is connected to the fan. Cover 2
Is guided inside the fan cover 2 so as not to come into contact with the centrifugal clutch drum 21 provided inside the fan cover 2 and other movable parts. In the illustrated embodiment, the engine control wiring 6 is inserted into and fixed to the grommet 14 fixed to the peripheral wall 2b surrounding the centrifugal clutch drum 21 in the fan cover 2, and the fan cover 2 is formed. Sometimes, the engine control wiring 6 is locked in the hook-shaped locking portion 15 formed simultaneously inside the opening 2c so that the cooling fan, the centrifugal clutch drum 21, and other movable parts are provided in the fan cover 2. It is guided so as not to touch. [0011] Incidentally, the inner end of the engine controller wires 6, to attach the connector 6b which allowed to electrically connect plugged into terminal 20a of the magnetic bets coil 20, forming a folded portion 6a between the grommet 14 30
It is preferable to allow the fan cover 2 to be easily attached to and detached from the engine 1 body with a slack of about 40 mm. Next, the engine control wiring 6 is led out from the base of the operating rod mounting tube 2a of the fan cover 2. Specifically, when the fan cover 2 is formed, the engine control wiring 6 is once pulled out from the opening 2c formed at the base of the operation rod mounting tubular portion 2a, and FIG.
As shown in FIG.
The guide rod is guided to a groove 17 provided in the direction of the operation rod 3 on the outer surface of the operation rod mounting cylindrical part 2a so as to fit into the recess 19a, and pulled out from the tip of the groove 17, and further along the operation rod 3. It is extended to five operation handles. Thereafter, the opening is formed in the groove 17.
A cap 18 covering the portion 17a is fitted. In addition,
The groove 17 has then desirable to mold at the same time as the plastic injection molding of the fan cover 2.
The As of, when forming the groove 17 to fit the portion 19a recessed a relief portion during expansion and contraction of the rubber vibration isolator 19, requires a ledge occurs on the outer periphery of the operating桿取with the cylindrical portion 2a of the fan cover 2 Can be minimized,
The appearance is good. FIG. 3 shows an embodiment of the groove 17. That is, the groove 17 provided in the operation rod mounting cylinder 2a is formed in a dovetail shape, and the cap 18 that covers the dovetail groove 17 is slidably fitted from the tip of the groove 17. And the cap 18
At both ends, engaging portions 18a serving as guides are respectively formed, and non-return claws 18b for retaining the springs are formed on the respective inner ends by applying spring action. The groove 17 and the cap 18 in the present invention are not limited to the above-described structure. The groove 17 may be separately attached after molding the fan cover 2, and the cap 18 is fitted from above. The cap 18 may be provided in advance by being hingedly connected to one side of the groove 17, and the other side may be configured to be openable / closable and engageable. Further, the control wiring 6 is formed in the groove 17.
Can be made detachable with a connector. According to the present invention, it is possible to prevent accidents such as disconnection or damage due to the control wiring being hooked on a tree branch or the like during work or portable movement, and to provide a portable appearance. Work machine can be provided.
【図面の簡単な説明】
【図１】本発明に係る配線構造の実施の一形態を示す要
部縦断面図である。
【図２】図１のＩＩ−ＩＩ矢視断面図である。
【図３】図１の要部分解斜視図である。
【図４】従来の刈払機の一例を示す斜視図である。
【符号の説明】
１ 原動機部
２ カバー
２ａ （ファンカバーの）操作桿取付筒部
３ 操作桿
５ 操作ハンドル
６ 制御用配線
１７ 溝部
１８ キャップBRIEF DESCRIPTION OF THE DRAWINGS FIG. 1 is a vertical sectional view showing a main part of an embodiment of a wiring structure according to the present invention. FIG. 2 is a sectional view taken along the line II-II of FIG. FIG. 3 is an exploded perspective view of a main part of FIG. 1; FIG. 4 is a perspective view showing an example of a conventional brush cutter. [Description of Signs] 1 Motor unit 2 Cover 2a (for fan cover) Operation rod mounting cylinder 3 Operation rod 5 Operation handle 6 Control wiring 17 Groove 18 Cap
───────────────────────────────────────────────────── フロントページの続き (58)調査した分野(Int.Cl.7，ＤＢ名) A01D 34/68 F02B 63/00 F02B 63/02 F02B 77/00 ──────────────────────────────────────────────────続 き Continued on the front page (58) Field surveyed (Int. Cl. 7 , DB name) A01D 34/68 F02B 63/00 F02B 63/02 F02B 77/00
Claims (1)
ハンドル（５）部に延長される制御用配線（６）が、前
記原動機部（１）のカバー（２）内部を案内され、該カ
バー（２）の操作桿取付筒部（２ａ）の基部から前記カ
バー（２）の外部に導出され、防振ゴム（１９）の伸縮
時の逃げ部となるへこみ部分（１９ａ）に適合させられ
て前記操作桿取付筒部（２ａ）外側面の前記操作桿
（３）方向に設けた溝部（１７）に案内されて前記操作
ハンドル（５）部に延長させられてなり、前記溝部（１
７）にはその開口部（１７ａ）を覆うキャップ（１８）
が嵌合させられてなることを特徴とする携帯用作業機の
配線構造。(1) A control wiring (6) extending from a motor unit (1) to an operation handle (5) of an operation rod (3) is provided in the motor unit (1). The cover (2) is guided inside, and is led out of the cover (2) from the base of the operation rod mounting tubular portion (2a) of the cover (2), and expands and contracts the vibration isolating rubber (19).
It is adapted to the recess (19a),
And is extended to the operation handle (5) by being guided by a groove (17) provided in the direction of the operation rod (3) on the outer surface of the operation rod mounting cylinder (2a).
7) a cap (18) covering the opening (17a).
The wiring structure of a portable working machine, characterized by being fitted with.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP15006597A JP3507280B2 (en) | 1997-05-23 | 1997-05-23 | Wiring structure of portable work machine |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP15006597A JP3507280B2 (en) | 1997-05-23 | 1997-05-23 | Wiring structure of portable work machine |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| JPH10323108A JPH10323108A (en) | 1998-12-08 |
| JP3507280B2 true JP3507280B2 (en) | 2004-03-15 |
Family
ID=15488756
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP15006597A Expired - Fee Related JP3507280B2 (en) | 1997-05-23 | 1997-05-23 | Wiring structure of portable work machine |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JP3507280B2 (en) |
-
1997
- 1997-05-23 JP JP15006597A patent/JP3507280B2/en not_active Expired - Fee Related
Also Published As
| Publication number | Publication date |
|---|---|
| JPH10323108A (en) | 1998-12-08 |
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