JPH026735Y2 - - Google Patents
Info
- Publication number
- JPH026735Y2 JPH026735Y2 JP15144183U JP15144183U JPH026735Y2 JP H026735 Y2 JPH026735 Y2 JP H026735Y2 JP 15144183 U JP15144183 U JP 15144183U JP 15144183 U JP15144183 U JP 15144183U JP H026735 Y2 JPH026735 Y2 JP H026735Y2
- Authority
- JP
- Japan
- Prior art keywords
- flange
- cover
- cutting blade
- gear chamber
- protrusion
- 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
Links
Landscapes
- Harvester Elements (AREA)
Description
【考案の詳細な説明】
本考案は刈払機の刈刃部カバー取付構造に関す
るもので、取付けがワンタツチであり、しかも外
れたり、回転することがなく、完全取付を可能と
したことを特徴とするものである。[Detailed description of the invention] This invention relates to a structure for attaching the mower blade cover of a brush cutter, and is characterized in that it can be attached with one touch, does not come off or rotate, and can be completely attached. It is something.
従来から刈払機の刈刃部には草あるいは捨てら
れたビニールシート等が絡みつかないようにカバ
ーが取付けられているが、その取付け作業に手数
を要するとともに使用を継続すると外れたり、回
転したりする欠点があつた。 Conventionally, a cover has been attached to the cutting blade of a brush cutter to prevent grass or discarded vinyl sheets from becoming entangled, but it is time-consuming to install the cover, and the cover may come off or rotate with continued use. There was a drawback.
すなわち、従来は上記カバーの取付けにネジ類
が使用されており、取付けに治具類を必要とする
とともに、震動によりネジが緩む欠点があつた。 That is, in the past, screws were used to attach the cover, which required jigs for attachment and had the disadvantage that the screws loosened due to vibrations.
本考案は上記のごとき欠点を除去してなるもの
である。 The present invention eliminates the above-mentioned drawbacks.
以下に本考案の一実施例を図面について詳細に
説明する。 An embodiment of the present invention will be described in detail below with reference to the drawings.
第１図には刈払機の歯車室１及び刈刃２部が示
されている。 FIG. 1 shows a gear chamber 1 and a cutting blade 2 of a brush cutter.
図中３は操作桿、４は駆動軸であり、実際は上
記操作桿３及び駆動軸４が延長されて端部に内燃
機関等の発動機が設けられ、作業者が発動機部を
肩から吊下げあるいは背負つて操作桿３部を上下
左右に揺動させて草刈り等を行うものである。 In the figure, 3 is a control stick, and 4 is a drive shaft.In reality, the above-mentioned control stick 3 and drive shaft 4 are extended, and a motor such as an internal combustion engine is installed at the end, so that the operator can hang the motor from his shoulder. The device can be worn down or carried on one's back and the three operating rods can be swung vertically and horizontally to cut grass and the like.
また、図中５は駆動軸４の下端に設けられたベ
ベルギアー、６は歯車室１内に支持した回転軸７
に設けたベベルギアーである。そして上記刈刃２
は回転軸７の先端に取付けられ、駆動軸４によつ
て回転させられるものである。 Further, in the figure, 5 is a bevel gear provided at the lower end of the drive shaft 4, and 6 is a rotating shaft 7 supported in the gear chamber 1.
This is a bevel gear installed in the And the above cutting blade 2
is attached to the tip of the rotating shaft 7 and rotated by the drive shaft 4.
上記構成にあつて刈刃２を回転させると固定
部、具体的には歯車室１と回転部、具体的には刈
刃２との間に刈り取つた草あるいは捨てられたビ
ニールシート等が絡みつき、刈刃２の回転を押え
るとともに、最悪の場合刈刃２の回転が止めら
れ、エンジントラブルあるいは歯車室１の内部を
損傷させることがあつた。 In the above configuration, when the cutting blade 2 is rotated, cut grass or discarded vinyl sheets become entangled between the fixed part, specifically the gear chamber 1, and the rotating part, specifically the cutting blade 2. In addition to suppressing the rotation of the cutting blade 2, in the worst case, the rotation of the cutting blade 2 may be stopped, resulting in engine trouble or damage to the inside of the gear chamber 1.
そのため、刈刃２の歯車室１側に絡みつき防止
のためのカバー８が取付けられる。本考案は上記
カバー８をワンタツチで完全に取付けることがで
きるものである。 Therefore, a cover 8 is attached to the gear chamber 1 side of the cutting blade 2 to prevent tangling. The present invention allows the cover 8 to be completely attached with one touch.
詳細に説明すると、歯車室１の刈刃２取付方向
の筒状部１ａには下面に適数の凹孔１ｂを設けた
フランジ１ｃが構成される。 To explain in detail, the cylindrical portion 1a of the gear chamber 1 in the mounting direction of the cutting blade 2 is configured with a flange 1c having an appropriate number of recessed holes 1b provided on the lower surface.
該フランジ１ｃ及び凹孔１ｂは歯車室１の構成
時に一体に構成される。 The flange 1c and the recessed hole 1b are integrally formed when the gear chamber 1 is constructed.
さらに、上記フランジ１ｃの下方には該フラン
ジ１ｃと適当間隔をあけて環状溝１ｄが設けられ
る。 Further, an annular groove 1d is provided below the flange 1c at an appropriate distance from the flange 1c.
該環状溝１ｄも歯車室１の構成時に一体に構成
される。 The annular groove 1d is also integrally formed when the gear chamber 1 is constructed.
さらに本考案では第３図示のごとき、円盤状の
カバー８が準備される。 Furthermore, in the present invention, a disk-shaped cover 8 is prepared as shown in the third figure.
該カバー８はプラスチツク等で一体成形され、
中央には上記フランジ１ｃ下方に適合する嵌合孔
８ａが設けられ、上面にはフランジ１ｃの下面に
設けられた凹孔１ｂに適合する突起８ｂが設けら
れる。 The cover 8 is integrally molded of plastic or the like,
A fitting hole 8a that fits below the flange 1c is provided in the center, and a projection 8b that fits into the recessed hole 1b provided on the bottom surface of the flange 1c is provided on the top surface.
該突起８ａはカバー８の回り止めのためのもの
で、一個あるいは多数としてもよい。 The projection 8a is for preventing the cover 8 from rotating, and may be one or more.
さらに、カバー８の上記嵌合孔８ａの下端には
上記フランジ１ｃ下面の凹孔１ｂとカバー８の突
起８ｂが適合したとき、上記環状溝１ｄに侵入し
て係止する突縁部８ｃが構成される。 Further, the lower end of the fitting hole 8a of the cover 8 is provided with a protruding edge 8c that enters and locks into the annular groove 1d when the concave hole 1b on the lower surface of the flange 1c and the protrusion 8b of the cover 8 fit together. be done.
上記構成の本考案はカバー８をフランジ１ｃの
下方に嵌挿し、フランジ１ｃの下面の凹孔１ｂと
カバー８の突起８ｂを適合させればよいものであ
り、その結果、カバー８が所定位置となり、嵌合
孔８ａの内部下端に設けた突縁部８ｃが環状溝１
ｄに係止して抜脱阻止され、カバー８が歯車室１
のフランジ１ｃの下方に完全に取付けられるもの
であり、ネジ等を使用する必要もなく、ワンタツ
チで取付けることができるとともに、凹孔１ｂと
突起８ｂの作用で回転することがなく、しかも突
縁部８ｃが逆止爪となつて環状溝１ｄから外れる
こともないものである。 In the present invention having the above structure, it is sufficient to fit the cover 8 under the flange 1c and match the concave hole 1b on the lower surface of the flange 1c with the protrusion 8b of the cover 8. As a result, the cover 8 is placed in a predetermined position. , a protruding edge 8c provided at the inner lower end of the fitting hole 8a forms the annular groove 1.
d and is prevented from coming off, and the cover 8 is locked into the gear chamber 1.
It can be installed completely below the flange 1c of the flange 1c, and can be installed with one touch without using screws, etc., and does not rotate due to the action of the recessed hole 1b and the protrusion 8b. 8c acts as a non-return pawl to prevent it from coming off the annular groove 1d.
なお、凹孔１ｂと突起８ｂは相対的なものであ
り、凹孔をカバー８側に、突起をフランジ１ｃ側
に設けてもよいものである。 Note that the recessed hole 1b and the protrusion 8b are relative, and the recessed hole may be provided on the cover 8 side and the protrusion may be provided on the flange 1c side.
また、図中９は刈刃２の取付け及び交換時に回
転軸７側を固定するための治具の挿入口であり、
治具を挿入して回転軸７を固定し、刈刃２の取付
けナツト１０を回転及び外す場合に使用されるも
のである。 In addition, 9 in the figure is an insertion opening for a jig for fixing the rotating shaft 7 side when installing and replacing the cutting blade 2.
This is used when inserting a jig to fix the rotating shaft 7 and rotating and removing the mounting nut 10 of the cutting blade 2.
上記のごとく、本考案によれば、刈刃２部のカ
バー８をワンタツチで完全に取付けることがで
き、取付けた後は外れたり、回転させられたりす
ることがない効果を得ることができるものであ
る。 As described above, according to the present invention, it is possible to completely attach the cover 8 of the two parts of the cutting blade with one touch, and it is possible to obtain the effect that it will not come off or be rotated after being attached. be.
図面は本考案の一実施例を示すもので、第１図
は歯車室及び刈刃部の縦断面図、第２図はその要
部の拡大断面図、第３図はカバーの斜視図であ
る。
１……歯車室、１ａ……筒状部、１ｂ……凹
孔、１ｃ……フランジ、１ｄ……環状溝、２……
刈刃、３……操作桿、４……駆動軸、７……回転
軸、８……カバー、８ａ……嵌合孔、８ｂ……突
起、８ｃ……突縁部。
The drawings show one embodiment of the present invention; Fig. 1 is a longitudinal sectional view of the gear chamber and the cutting blade section, Fig. 2 is an enlarged sectional view of the main parts thereof, and Fig. 3 is a perspective view of the cover. . 1... Gear chamber, 1a... Cylindrical part, 1b... Recessed hole, 1c... Flange, 1d... Annular groove, 2...
Cutting blade, 3...operation rod, 4...drive shaft, 7...rotating shaft, 8...cover, 8a...fitting hole, 8b...protrusion, 8c...projection.
Claims (1)
数の凹孔を設けたフランジが構成され、該フラン
ジ下方には適当間隔をあけて環状溝が設けられ、
上記フランジ下方に適合する嵌合孔を有するプラ
スチツク等で一体形成された円盤状のカバー上面
に設けた突起を上記フランジ下面の凹孔に適合さ
せるとともに、上記嵌合孔の下端に構成した突縁
部を上記フランジ下方の環状溝に係止させたこと
を特徴とする刈払機の刈刃部カバー取付構造。 The cylindrical part of the gear chamber in the cutting blade mounting direction is configured with a flange having an appropriate number of recessed holes on the lower surface, and annular grooves are provided below the flange at appropriate intervals,
A protrusion provided on the upper surface of a disc-shaped cover integrally formed of plastic or the like having a fitting hole that fits below the flange is adapted to the recessed hole on the lower surface of the flange, and a protrusion formed at the lower end of the fitting hole. A mowing blade cover mounting structure for a brush cutter, characterized in that the mower blade part is locked in an annular groove below the flange.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP15144183U JPS6057932U (en) | 1983-09-30 | 1983-09-30 | Brush cutter blade cover mounting structure |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP15144183U JPS6057932U (en) | 1983-09-30 | 1983-09-30 | Brush cutter blade cover mounting structure |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| JPS6057932U JPS6057932U (en) | 1985-04-23 |
| JPH026735Y2 true JPH026735Y2 (en) | 1990-02-19 |
Family
ID=30335590
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP15144183U Granted JPS6057932U (en) | 1983-09-30 | 1983-09-30 | Brush cutter blade cover mounting structure |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPS6057932U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2007332985A (en) * | 2006-06-12 | 2007-12-27 | Oppama Kogyo Kk | Member connection structure |
-
1983
- 1983-09-30 JP JP15144183U patent/JPS6057932U/en active Granted
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2007332985A (en) * | 2006-06-12 | 2007-12-27 | Oppama Kogyo Kk | Member connection structure |
Also Published As
| Publication number | Publication date |
|---|---|
| JPS6057932U (en) | 1985-04-23 |
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