JPH0650669Y2 - Internal combustion engine device - Google Patents

Internal combustion engine device

Info

Publication number
JPH0650669Y2
JPH0650669Y2 JP1989065986U JP6598689U JPH0650669Y2 JP H0650669 Y2 JPH0650669 Y2 JP H0650669Y2 JP 1989065986 U JP1989065986 U JP 1989065986U JP 6598689 U JP6598689 U JP 6598689U JP H0650669 Y2 JPH0650669 Y2 JP H0650669Y2
Authority
JP
Japan
Prior art keywords
internal combustion
combustion engine
brake
cooling fan
lever
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
Application number
JP1989065986U
Other languages
Japanese (ja)
Other versions
JPH034934U (en
Inventor
恒雄 荒木
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Kyoritsu Co Ltd
Original Assignee
Kyoritsu Co Ltd
Priority date (The priority date 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 date listed.)
Filing date
Publication date
Application filed by Kyoritsu Co Ltd filed Critical Kyoritsu Co Ltd
Priority to JP1989065986U priority Critical patent/JPH0650669Y2/en
Publication of JPH034934U publication Critical patent/JPH034934U/ja
Application granted granted Critical
Publication of JPH0650669Y2 publication Critical patent/JPH0650669Y2/en
Anticipated expiration legal-status Critical
Expired - Lifetime legal-status Critical Current

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  • Control Of Throttle Valves Provided In The Intake System Or In The Exhaust System (AREA)
  • Braking Arrangements (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のブレーキ装置に関する。The present invention relates to a brake device for an internal combustion engine device.

従来の技術 芝刈機等の作業機械に動力源として設けられる内燃機関
装置は、例えば、操作者が操作レバーを手放した時に、
内燃機関、即ち刈刃等の作業工具を迅速に停止させる安
全装置を備えることが要求される。そのような安全装置
を備えた内燃機関装置は従来から各種のものが知られて
いるが、それらは構造が複雑であつたり、且つ汎用性が
ない等の不具合があつた。
2. Description of the Related Art An internal combustion engine device provided as a power source in a work machine such as a lawn mower is, for example, when an operator releases the operation lever,
It is required to provide a safety device for quickly stopping an internal combustion engine, that is, a work tool such as a cutting blade. Various types of internal combustion engine devices including such a safety device have been conventionally known, but they have problems such as a complicated structure and lack of versatility.

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不具合を
取除くと共に、簡単で便利な形の内燃機関装置を提供す
ることを目的とする。
SUMMARY OF THE INVENTION Therefore, an object of the present invention is to provide a simple and convenient internal combustion engine device while eliminating the above-mentioned problems of the conventional technology.

課題を解決するための手段 即ち、本考案に係る内燃機関装置は、一端部が固定側部
材に固定された板ばねよりなるブレーキアームの自由端
側に取付けたブレーキシユーを前記ブレーキアームのば
ね力によつて内燃機関装置の回転部材に常時圧着させる
とともに、前記ブレーキアームを移動させて前記ブレー
キシユーを前記回転部分から離すブレーキレバーを設け
た構成を特徴とする。
Means for Solving the Problems That is, in the internal combustion engine device according to the present invention, a brake shoe is attached to the free end side of a brake arm having a leaf spring whose one end is fixed to a fixed member. It is characterized in that a force is constantly applied to the rotary member of the internal combustion engine device by force, and a brake lever is provided for moving the brake arm to separate the brake shoe from the rotating portion.

作用 従つて、ブレーキシユーは、ブレーキレバーの作動時に
回転部材から離れ、ブレーキレバーの解放時に回転部材
に圧着して回転部材を急速に停止させる。
Therefore, the brake shoe separates from the rotary member when the brake lever is actuated, and presses the rotary member when the brake lever is released to rapidly stop the rotary member.

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.

まず、第1図に示す実施例は、本考案を芝刈機用として
使用するに適する内燃機関装置1に適用した例であり、
空冷2サイクルガソリンエンジン等の内燃機関2のクラ
ンク軸に連結された、下方へ突出した出力軸3に冷却フ
アン4を回転部材として取付けており、該冷却フアン4
は作動中にフアンケース5の吸気口6から外部空気を吸
入し、この吸入した空気を前記内燃機関2へ吹きつけて
該内燃機関2を冷却する。前記冷却フアン4は、その外
周部分にマグネツト7を取付けており、該マグネツト7
は前記冷却フアン4の外周縁部8に近接して配置された
発電コイル9に作用して該発電コイル9に電流を発生
し、この電流を前記内燃機関2の点火栓10へ供給して該
点火栓10に火花を発生させ、前記内燃機関2のシリンダ
内の燃料を点火爆発させ該内燃機関2を作動させるよう
になつている。
First, the embodiment shown in FIG. 1 is an example in which the present invention is applied to an internal combustion engine device 1 suitable for use in a lawn mower,
A cooling fan 4 is attached as a rotating member to an output shaft 3 protruding downward, which is connected to a crankshaft of an internal combustion engine 2 such as an air-cooled two-cycle gasoline engine.
Sucks external air from the intake port 6 of the fan case 5 during operation and blows the sucked air to the internal combustion engine 2 to cool the internal combustion engine 2. The cooling fan 4 has a magnet 7 attached to the outer peripheral portion thereof.
Acts on a power-generating coil 9 arranged near the outer peripheral edge portion 8 of the cooling fan 4 to generate a current in the power-generating coil 9, and supplies the current to the spark plug 10 of the internal combustion engine 2 to generate the current. A spark is generated in the spark plug 10, and the fuel in the cylinder of the internal combustion engine 2 is ignited and exploded to operate the internal combustion engine 2.

前記冷却フアン4の平らな裏側表面11は前記フアンケー
ス5の前端部12に近接して配置されており、該前端部12
に板ばねブレーキアーム13の一方の端部14が固定されて
いる。前記板ばねブーキアーム13は、前記冷却フアン4
の表面11に沿つてその半径方向外方へ延び、該冷却フア
ン4の表面11の外周部に対面する前記ブレーキアーム13
の自由端側の部分に摩擦係数が大きな適宜の材質のブレ
ーキシユー15を固定している。前記板ばねブレーキアー
ム13は、そのばね力が前記ブレーキシユー15を前記冷却
フアン4の表面11に対して圧着する方向に作用するよう
に形成されている。
The flat back surface 11 of the cooling fan 4 is located close to the front end 12 of the fan case 5 and is
One end 14 of the leaf spring brake arm 13 is fixed to the. The leaf spring boom arm 13 is provided with the cooling fan 4
The brake arm 13 extending radially outward along the surface 11 of the cooling fan 4 and facing the outer periphery of the surface 11 of the cooling fan 4.
A brake shoe 15 made of an appropriate material having a large friction coefficient is fixed to the free end side of the. The leaf spring brake arm 13 is formed so that its spring force acts in a direction of pressing the brake shoe 15 against the surface 11 of the cooling fan 4.

前記板ばねブレーキアーム13の自由端側の端部16は前記
冷却フアン4の外周縁部8に沿つて軸線方向上方へ屈曲
しており、この端部16に近接して丸棒材よりなるブレー
キレバー17が前記フアンケース5に回動可能に支持され
ている。前記ブレーキレバー17は、その内部端18に半周
分の切込み19を形成しており、該切込み19の半径方向下
方に向いた平面20に、前記板ばねブレーキアーム13の端
部16の上縁が近接している。前記ブレーキレバー17の外
部端21は、前記フアンケース5の外部において直角に上
方へ屈曲されており、この外部端21は、例えば適当なケ
ーブルによつて前記内燃機関装置1のスロツトルレバー
(図示せず)へ連結されている。前記ブレーキレバー17
はスロツトルレバーが解放されている時には、第2図に
実線で示す位置Aにあり、この時、ブレーキレバー17の
内部端18の切込み19の平面20は板ばねブレーキアーム13
の端部16の上縁とほぼ平行して近接し、ブレーキシユー
15を冷却フアン4の表面11に圧着して制動状態を維持し
ている。スロツトルレバーが操作され、内燃機関2が始
動される時、ブレーキレバー17も同時に第2図の仮想線
で示した位置Bへ回動され、それにより平面20は傾動し
て板ばねブレーキアーム13を下方へ押圧し、ブレーキシ
ユー15を冷却フアン4の表面11から離し、出力軸3は内
燃機関1からの動力によつて支障なく駆動される。この
実施例の構成は、ブレーキレバー17の作動位置Bを第2
図の場合と反対側に設けることが適する装置にも適用す
ることができ、汎用性があることは理解されよう。
An end portion 16 of the leaf spring brake arm 13 on the free end side is bent upward in the axial direction along an outer peripheral edge portion 8 of the cooling fan 4, and a brake made of a round bar material is close to the end portion 16. A lever 17 is rotatably supported by the fan case 5. The brake lever 17 is formed with a notch 19 corresponding to a half circumference at its inner end 18, and a flat surface 20 of the notch 19 facing downward in the radial direction is provided with an upper edge of the end 16 of the leaf spring brake arm 13. Are in close proximity. The outer end 21 of the brake lever 17 is bent upward at a right angle outside the fan case 5, and the outer end 21 is connected to the throttle lever (see FIG. (Not shown). Brake lever 17
Is in the position A shown by the solid line in FIG. 2 when the throttle lever is released, in which case the plane 20 of the notch 19 at the inner end 18 of the brake lever 17 is the leaf spring brake arm 13
Close and parallel to the upper edge of the end 16 of the
The braking state is maintained by pressing 15 onto the surface 11 of the cooling fan 4. When the throttle lever is operated and the internal combustion engine 2 is started, the brake lever 17 is also simultaneously rotated to the position B shown by the phantom line in FIG. 2, whereby the plane 20 is tilted and the leaf spring brake arm 13 is tilted. Is pressed downward to release the brake shoe 15 from the surface 11 of the cooling fan 4, and the output shaft 3 is driven by the power from the internal combustion engine 1 without any trouble. In the configuration of this embodiment, the operating position B of the brake lever 17 is set to the second position.
It will be appreciated that it is applicable and versatile to devices that are suitable to be provided on the opposite side of the figure.

次に、第3図に示す本考案の別の実施例は、冷却フアン
22の外周縁部23に近接するケース24の部分に板ばねブレ
ーキアーム25の一方の端部26が固定され、該板ばねブレ
ーキアーム25の他方の自由端部27は、前記冷却フアン22
の外周縁部23の回転方向とは逆の接線方向に延び、この
端部27にブレーキシユー28を固定しており、該ブレーキ
シユー28は、前記板ばねブレーキアーム25のばね力によ
つて、前記冷却フアン22の外周縁部23に常時圧着する。
更に、前記板ばねブレーキアーム25は、前記ブレーキシ
ユー28と反対側の面にブレーキレバー29を取付けてお
り、該ブレーキレバー29は、前記ケース24の穴30を通し
て外部へ突出し、ブレーキレバー29の外部端31が、例え
ば、スロツトルレバーへ連結されている。スロツトルレ
バーが解放されている時に、前記ブレーキレバー29は図
示した位置にあつて、前記ブレーキシユー28を冷却フア
ン22の外周縁部23に圧着しており、スロツトルレバーが
操作されると、ブレーキレバー29はケース24の外方へ移
動されてブレーキシユー28を冷却フアン22の外周縁部23
から離す。なお、制動すべき回転部材は冷却フアンに限
らず、遠心クラツチ装置のクラツチドラムの外周部や、
刈刃取付用ブラケツト部も利用できる。また、ブレーキ
レバーを連動せしめる部材はスロツトルレバーの他に、
デツドマンレバーや、セーフテイバンパ等でも良い。
Another embodiment of the present invention shown in FIG. 3 is a cooling fan.
One end 26 of the leaf spring brake arm 25 is fixed to a portion of the case 24 adjacent to the outer peripheral edge portion 23 of the plate 22, and the other free end 27 of the leaf spring brake arm 25 is the cooling fan 22.
Of the outer peripheral edge portion 23 extends in a tangential direction opposite to the rotation direction, and a brake shoe 28 is fixed to this end portion 27, and the brake shoe 28 is driven by the spring force of the leaf spring brake arm 25. Then, the outer peripheral edge portion 23 of the cooling fan 22 is constantly pressed.
Further, the leaf spring brake arm 25 is provided with a brake lever 29 on the surface opposite to the brake shoe 28, and the brake lever 29 projects to the outside through a hole 30 of the case 24, and the brake lever 29 The outer end 31 is connected to, for example, a throttle lever. When the throttle lever is released, the brake lever 29 is in the position shown in the figure, and the brake shoe 28 is crimped to the outer peripheral edge portion 23 of the cooling fan 22, and when the throttle lever is operated, , The brake lever 29 is moved to the outside of the case 24 to move the brake shoe 28 to the outer peripheral edge portion 23 of the cooling fan 22.
Keep away from. The rotating member to be braked is not limited to the cooling fan, and the outer peripheral portion of the clutch drum of the centrifugal clutch device,
A bracket for attaching the cutting blade can also be used. In addition to the throttle lever, the members that interlock the brake lever are
It may be a deadman lever or a safety bumper.

考案の効果 以上説明した本考案の構成により、本考案は、構造が極
めて簡単であり、ブレーキレバーを各種装置に合わせて
配置することができるので汎用性があり、ブレーキシユ
ーの圧着に板ばねを使用するので狭いスペース内に収め
ることができる等の効果を奏する。
Effect of the Invention With the configuration of the present invention described above, the present invention has a very simple structure, and since the brake lever can be arranged according to various devices, it has versatility, and is a leaf spring for crimping a brake shoe. Since it is used, there is an effect that it can be stored in a narrow space.

【図面の簡単な説明】[Brief description of drawings]

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
部断面図、第2図は第1図の矢印II方向にみた図、そし
て第3図は本考案の別の実施例を示す要部断面図であ
る。 1…内燃機関装置、4,22…冷却フアン、 13,25…板ばねブレーキアーム、 15,28…ブレーキシユー、 17,29…ブレーキレバー。
FIG. 1 is a sectional view of an essential part of an internal combustion engine device showing an embodiment according to the present invention, FIG. 2 is a view seen in the direction of arrow II in FIG. 1, and FIG. 3 is another embodiment of the present invention. It is a principal part sectional view shown. 1 ... Internal combustion engine device, 4, 22 ... Cooling fan, 13, 25 ... Leaf spring brake arm, 15, 28 ... Brake shoe, 17, 29 ... Brake lever.

Claims (1)

【実用新案登録請求の範囲】[Scope of utility model registration request] 【請求項1】一端部(14,26)が固定側部材(12,24)に
固定された板ばねよりなるブレーキアーム(13,25)の
自由端側に取付けたブレーキシュー(15,28)を前記ブ
レームアームのばね力によって内燃機関装置(1)の回
転部材(4,22)に常時圧着させるとともに、前記ブレー
キアームを移動させて前記ブレーキシューを前記回転部
材から離すブレーキレバー(17,29)を設けたことを特
徴とする内燃機関装置。
1. A brake shoe (15,28) attached to the free end side of a brake arm (13,25) consisting of a leaf spring whose one end (14,26) is fixed to a fixed member (12,24). Is always pressed against the rotating member (4, 22) of the internal combustion engine device (1) by the spring force of the blame arm, and the brake arm is moved to separate the brake shoe from the rotating member (17, 29). ) Is provided.
JP1989065986U 1989-06-06 1989-06-06 Internal combustion engine device Expired - Lifetime JPH0650669Y2 (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP1989065986U JPH0650669Y2 (en) 1989-06-06 1989-06-06 Internal combustion engine device

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP1989065986U JPH0650669Y2 (en) 1989-06-06 1989-06-06 Internal combustion engine device

Publications (2)

Publication Number Publication Date
JPH034934U JPH034934U (en) 1991-01-18
JPH0650669Y2 true JPH0650669Y2 (en) 1994-12-21

Family

ID=31598313

Family Applications (1)

Application Number Title Priority Date Filing Date
JP1989065986U Expired - Lifetime JPH0650669Y2 (en) 1989-06-06 1989-06-06 Internal combustion engine device

Country Status (1)

Country Link
JP (1) JPH0650669Y2 (en)

Families Citing this family (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2011144827A (en) * 2010-01-12 2011-07-28 Mitsubishi Heavy Ind Ltd Brake device

Family Cites Families (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS535477A (en) * 1976-07-05 1978-01-19 Youichirou Ueno Profiling device of vertical automatic profile cutting and grinding machine for use in stone material
JPS58121330A (en) * 1982-01-09 1983-07-19 Mitsubishi Electric Corp Motor with electromagnetic brake

Also Published As

Publication number Publication date
JPH034934U (en) 1991-01-18

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