JP7316953B2 - 電動作業機 - Google Patents
電動作業機 Download PDFInfo
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- JP7316953B2 JP7316953B2 JP2020010307A JP2020010307A JP7316953B2 JP 7316953 B2 JP7316953 B2 JP 7316953B2 JP 2020010307 A JP2020010307 A JP 2020010307A JP 2020010307 A JP2020010307 A JP 2020010307A JP 7316953 B2 JP7316953 B2 JP 7316953B2
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- H—ELECTRICITY
- H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
- H02K—DYNAMO-ELECTRIC MACHINES
- H02K7/00—Arrangements for handling mechanical energy structurally associated with dynamo-electric machines, e.g. structural association with mechanical driving motors or auxiliary dynamo-electric machines
- H02K7/14—Structural association with mechanical loads, e.g. with hand-held machine tools or fans
- H02K7/145—Hand-held machine tool
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B25—HAND TOOLS; PORTABLE POWER-DRIVEN TOOLS; MANIPULATORS
- B25F—COMBINATION OR MULTI-PURPOSE TOOLS NOT OTHERWISE PROVIDED FOR; DETAILS OR COMPONENTS OF PORTABLE POWER-DRIVEN TOOLS NOT PARTICULARLY RELATED TO THE OPERATIONS PERFORMED AND NOT OTHERWISE PROVIDED FOR
- B25F5/00—Details or components of portable power-driven tools not particularly related to the operations performed and not otherwise provided for
- B25F5/008—Cooling means
-
- A—HUMAN NECESSITIES
- A01—AGRICULTURE; FORESTRY; ANIMAL HUSBANDRY; HUNTING; TRAPPING; FISHING
- A01D—HARVESTING; MOWING
- A01D34/00—Mowers; Mowing apparatus of harvesters
- A01D34/01—Mowers; Mowing apparatus of harvesters characterised by features relating to the type of cutting apparatus
- A01D34/412—Mowers; Mowing apparatus of harvesters characterised by features relating to the type of cutting apparatus having rotating cutters
- A01D34/63—Mowers; Mowing apparatus of harvesters characterised by features relating to the type of cutting apparatus having rotating cutters having cutters rotating about a vertical axis
- A01D34/67—Mowers; Mowing apparatus of harvesters characterised by features relating to the type of cutting apparatus having rotating cutters having cutters rotating about a vertical axis hand-guided by a walking operator
- A01D34/68—Mowers; Mowing apparatus of harvesters characterised by features relating to the type of cutting apparatus having rotating cutters having cutters rotating about a vertical axis hand-guided by a walking operator with motor driven cutters or wheels
- A01D34/6806—Driving mechanisms
- A01D34/6818—Motor starting mechanisms
-
- A—HUMAN NECESSITIES
- A01—AGRICULTURE; FORESTRY; ANIMAL HUSBANDRY; HUNTING; TRAPPING; FISHING
- A01G—HORTICULTURE; CULTIVATION OF VEGETABLES, FLOWERS, RICE, FRUIT, VINES, HOPS OR SEAWEED; FORESTRY; WATERING
- A01G23/00—Forestry
- A01G23/02—Transplanting, uprooting, felling or delimbing trees
- A01G23/08—Felling trees
- A01G23/091—Sawing apparatus specially adapted for felling trees
-
- A—HUMAN NECESSITIES
- A01—AGRICULTURE; FORESTRY; ANIMAL HUSBANDRY; HUNTING; TRAPPING; FISHING
- A01G—HORTICULTURE; CULTIVATION OF VEGETABLES, FLOWERS, RICE, FRUIT, VINES, HOPS OR SEAWEED; FORESTRY; WATERING
- A01G23/00—Forestry
- A01G23/02—Transplanting, uprooting, felling or delimbing trees
- A01G23/095—Delimbers
-
- H—ELECTRICITY
- H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
- H02K—DYNAMO-ELECTRIC MACHINES
- H02K11/00—Structural association of dynamo-electric machines with electric components or with devices for shielding, monitoring or protection
- H02K11/30—Structural association with control circuits or drive circuits
- H02K11/33—Drive circuits, e.g. power electronics
-
- H—ELECTRICITY
- H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
- H02K—DYNAMO-ELECTRIC MACHINES
- H02K5/00—Casings; Enclosures; Supports
- H02K5/04—Casings or enclosures characterised by the shape, form or construction thereof
- H02K5/20—Casings or enclosures characterised by the shape, form or construction thereof with channels or ducts for flow of cooling medium
- H02K5/207—Casings or enclosures characterised by the shape, form or construction thereof with channels or ducts for flow of cooling medium with openings in the casing specially adapted for ambient air
-
- H—ELECTRICITY
- H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
- H02K—DYNAMO-ELECTRIC MACHINES
- H02K9/00—Arrangements for cooling or ventilating
- H02K9/02—Arrangements for cooling or ventilating by ambient air flowing through the machine
- H02K9/04—Arrangements for cooling or ventilating by ambient air flowing through the machine having means for generating a flow of cooling medium
- H02K9/06—Arrangements for cooling or ventilating by ambient air flowing through the machine having means for generating a flow of cooling medium with fans or impellers driven by the machine shaft
-
- A—HUMAN NECESSITIES
- A01—AGRICULTURE; FORESTRY; ANIMAL HUSBANDRY; HUNTING; TRAPPING; FISHING
- A01D—HARVESTING; MOWING
- A01D2101/00—Lawn-mowers
-
- A—HUMAN NECESSITIES
- A01—AGRICULTURE; FORESTRY; ANIMAL HUSBANDRY; HUNTING; TRAPPING; FISHING
- A01D—HARVESTING; MOWING
- A01D34/00—Mowers; Mowing apparatus of harvesters
- A01D34/01—Mowers; Mowing apparatus of harvesters characterised by features relating to the type of cutting apparatus
- A01D34/412—Mowers; Mowing apparatus of harvesters characterised by features relating to the type of cutting apparatus having rotating cutters
- A01D34/416—Flexible line cutters
-
- A—HUMAN NECESSITIES
- A01—AGRICULTURE; FORESTRY; ANIMAL HUSBANDRY; HUNTING; TRAPPING; FISHING
- A01G—HORTICULTURE; CULTIVATION OF VEGETABLES, FLOWERS, RICE, FRUIT, VINES, HOPS OR SEAWEED; FORESTRY; WATERING
- A01G3/00—Cutting implements specially adapted for horticultural purposes; Delimbing standing trees
- A01G3/04—Apparatus for trimming hedges, e.g. hedge shears
- A01G2003/0461—Apparatus for trimming hedges, e.g. hedge shears with reciprocating knives
-
- A—HUMAN NECESSITIES
- A01—AGRICULTURE; FORESTRY; ANIMAL HUSBANDRY; HUNTING; TRAPPING; FISHING
- A01G—HORTICULTURE; CULTIVATION OF VEGETABLES, FLOWERS, RICE, FRUIT, VINES, HOPS OR SEAWEED; FORESTRY; WATERING
- A01G3/00—Cutting implements specially adapted for horticultural purposes; Delimbing standing trees
- A01G3/04—Apparatus for trimming hedges, e.g. hedge shears
- A01G3/047—Apparatus for trimming hedges, e.g. hedge shears portable
- A01G3/053—Apparatus for trimming hedges, e.g. hedge shears portable motor-driven
-
- A—HUMAN NECESSITIES
- A01—AGRICULTURE; FORESTRY; ANIMAL HUSBANDRY; HUNTING; TRAPPING; FISHING
- A01G—HORTICULTURE; CULTIVATION OF VEGETABLES, FLOWERS, RICE, FRUIT, VINES, HOPS OR SEAWEED; FORESTRY; WATERING
- A01G3/00—Cutting implements specially adapted for horticultural purposes; Delimbing standing trees
- A01G3/08—Other tools for pruning, branching or delimbing standing trees
- A01G3/085—Motor-driven saws for pruning or branching
- A01G3/086—Chain saws
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B25—HAND TOOLS; PORTABLE POWER-DRIVEN TOOLS; MANIPULATORS
- B25F—COMBINATION OR MULTI-PURPOSE TOOLS NOT OTHERWISE PROVIDED FOR; DETAILS OR COMPONENTS OF PORTABLE POWER-DRIVEN TOOLS NOT PARTICULARLY RELATED TO THE OPERATIONS PERFORMED AND NOT OTHERWISE PROVIDED FOR
- B25F3/00—Associations of tools for different working operations with one portable power-drive means; Adapters therefor
-
- H—ELECTRICITY
- H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
- H02K—DYNAMO-ELECTRIC MACHINES
- H02K2211/00—Specific aspects not provided for in the other groups of this subclass relating to measuring or protective devices or electric components
- H02K2211/03—Machines characterised by circuit boards, e.g. pcb
Description
図1は、本発明の一実施形態の電動作業機1の共通機体部10と3種の交換用作業部(アタッチメントとも呼ばれる)50(51、52、53)を示す斜視図、図2は、図1の電動作業機1における本体ケーシング23の前端からキャップ13を離してその内部を示す斜視図、図3は、図1の電動作業機1における操作棹11の基端部11a付近と本体ケーシング23の前部を切り欠いてその内部を示す斜視図、図4は、図1の電動作業機1における操作棹11の基端部11aと本体部20の前半分を示す縦断面図である。
次に、上記のような構成とされた電動作業機1(の本体部20)の組立方法、特に上述したモータ組立体25の本体ケーシング23への組付工程の一例を説明する。
以上の説明から明らかなように、本実施形態の電動作業機1では、モータ30、制御基板80、棹固定具40、及び導風仕切部材60の4部品が一体化されてモータ組立体25として一つの物品として扱われるようにされるので、組立作業を簡易化、迅速化できる。
10 共通機体部
11 操作棹
20 本体部
21 排気口
22 吸気口
23 本体ケーシング
24 隔壁部
25 モータ組立体
26 挿通穴
27 通し穴
28 ボルト
29 突っ張り片部
29a 嵌合凸部
30 モータ
33 回転駆動軸
34 ファンケース
36 空気吸込用の開口
39 仮止め機構部
40 棹固定具
42 取付台部
44 管状固定部
45 ねじ穴
47 厚肉部(鍔状部)
49 嵌合部
49a 嵌合凹部
50 交換用作業部
60 導風仕切部材
62 仕切板部
63 収容凹部
64 導風窓
66 空間
67 ガイド部材
80 制御基板
82 コンデンサ
84 コネクタ
85 冷却フィン
88 フェライト電磁波吸収体の収納部
90 バッテリ
92 バッテリケース
Claims (6)
- 作業用動力源となるモータと、該モータが前後方向に向けた姿勢で内装される本体ケーシングと、作業部が設けられる操作棹と、該操作棹を前記本体ケーシングに取付固定するための棹固定具と、を備えた電動作業機であって、
前記モータと、該モータの制御を行うための制御基板と、前記モータの前面側に組み付け固定された前記棹固定具と、前記モータの後面側に組み付け固定された導風仕切部材とでモータ組立体が構成されており、
前記導風仕切部材は、前記本体ケーシングにおいて前後方向に所定間隔をあけて設けられた排気口と吸気口との間を気密的に仕切る仕切板部を有し、該仕切板部に前記吸気口から吸入された冷却空気を前記モータと前記本体ケーシングとの間の空間を通って前記モータの前面側の空気吸込用の開口に送るための導風窓が設けられており、
前記仕切板部の後面側に前記制御基板が配置されており、
前記モータの回転駆動軸の後部に、前記モータの後部で前記モータと前記仕切板部との間に設けられたファンケースにより覆われ、前記仕切板部の前側と後側との間に前記冷却空気の流路を形成する冷却ファンが設けられており、
前記冷却空気の流路に沿って、前記冷却空気は、前記仕切板部の後側に設けられた前記吸気口から前記本体ケーシングに流入し、前記導風窓を通り抜けて前記仕切板部の後側から前記仕切板部の前側に流入し、前記モータと前記本体ケーシングとの間の前記空間を通って前向きに流れ、前記モータの前面側の前記空気吸込用の開口から前記モータ内部に流入し、前記モータ内部で後向きに流れて前記モータを冷却し、前記モータを通って流れた後に前記仕切板部の前側に設けられた前記排気口から流出することを特徴とする電動作業機。 - 前記本体ケーシングにおける底部の前後方向に前記排気口と前記吸気口とが設けられるとともに、前記仕切板部の上部に前記導風窓が設けられていることを特徴とする請求項1に記載の電動作業機。
- 前記制御基板の下部に高温となる電子部品が実装されるとともに、前記吸気口からの冷却空気が前記高温となる電子部品をより多く通るように、前記制御基板に下部が拡開したガイド部材が設けられていることを特徴とする請求項2に記載の電動作業機。
- 前記ガイド部材は、前記仕切板部に一体に形成されていることを特徴とする請求項3に記載の電動作業機。
- 前記導風仕切部材は、前記モータの後部に設けられた前記ファンケースの少なくとも一部を覆う収容凹部を有することを特徴とする請求項1から4のいずれか一項に記載の電動作業機。
- 前記本体ケーシングは、前端及び後端が開口するとともに、当該本体ケーシング内を前後に仕切るように隔壁部が設けられた単一の筒状体とされ、
前記棹固定具は、前記隔壁部の後方に配置されて前記隔壁部に設けられた通し穴を介して前記隔壁部の前方側から後方側に向けてねじ込まれる少なくとも1本のボルトにより前記隔壁部に締付固定される取付台部と、該取付台部から前記隔壁部に設けられた挿通穴を介して前記隔壁部の前方に突出し、前記操作棹の基端部を固定するための管状固定部とを有することを特徴とする請求項1から5のいずれか一項に記載の電動作業機。
Priority Applications (4)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP2020010307A JP7316953B2 (ja) | 2020-01-24 | 2020-01-24 | 電動作業機 |
CN202011604371.2A CN113170648A (zh) | 2020-01-24 | 2020-12-29 | 电动作业机 |
EP21152015.0A EP3854533B1 (en) | 2020-01-24 | 2021-01-18 | Electric working machine |
US17/153,216 US11502578B2 (en) | 2020-01-24 | 2021-01-20 | Electric working machine |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP2020010307A JP7316953B2 (ja) | 2020-01-24 | 2020-01-24 | 電動作業機 |
Publications (2)
Publication Number | Publication Date |
---|---|
JP2021114936A JP2021114936A (ja) | 2021-08-10 |
JP7316953B2 true JP7316953B2 (ja) | 2023-07-28 |
Family
ID=74186590
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
JP2020010307A Active JP7316953B2 (ja) | 2020-01-24 | 2020-01-24 | 電動作業機 |
Country Status (4)
Country | Link |
---|---|
US (1) | US11502578B2 (ja) |
EP (1) | EP3854533B1 (ja) |
JP (1) | JP7316953B2 (ja) |
CN (1) | CN113170648A (ja) |
Families Citing this family (4)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US11697199B2 (en) * | 2021-02-24 | 2023-07-11 | Towa Industries, Incorporated | Power landscaping tool ensemble for using multiple tool heads |
USD974869S1 (en) * | 2021-03-08 | 2023-01-10 | Photonix Corp | Cutting tool |
JP2023105830A (ja) * | 2022-01-20 | 2023-08-01 | 株式会社やまびこ | 動力作業機 |
EP4274067A1 (de) * | 2022-05-04 | 2023-11-08 | Andreas Stihl AG & Co. KG | Arbeitsgerät |
Citations (5)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JP2007136607A (ja) | 2005-11-17 | 2007-06-07 | Matsushita Electric Works Ltd | 電動工具 |
JP2010200673A (ja) | 2009-03-03 | 2010-09-16 | Hitachi Koki Co Ltd | 電動作業機 |
JP2011097837A (ja) | 2009-11-04 | 2011-05-19 | Ryobi Ltd | バッテリー式の電動刈払い機 |
US20140265664A1 (en) | 2013-03-15 | 2014-09-18 | Regal Beloit Australia Pty Ltd. | Air-cooled electric machine and method of assembling the same |
JP2017155632A (ja) | 2016-02-29 | 2017-09-07 | 株式会社ケーヒン | 空調用ブロアモータユニット |
Family Cites Families (8)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
DE19839963A1 (de) * | 1998-09-02 | 2000-03-09 | Hilti Ag | Elektrowerkzeug |
DE10242414A1 (de) | 2002-09-12 | 2004-03-25 | Hilti Ag | Elektrowerkzeugmaschine mit Gebläse |
JP5063970B2 (ja) * | 2006-10-02 | 2012-10-31 | 富士重工業株式会社 | 可搬式動力作業機 |
DE102009012177A1 (de) | 2009-02-27 | 2010-09-02 | Andreas Stihl Ag & Co. Kg | Akkubetriebenes, handgeführtes Elektrogerät |
US9517555B2 (en) * | 2011-10-27 | 2016-12-13 | Husqvarna Ab | Battery operated handheld power tool |
DE102012103935B4 (de) * | 2012-05-04 | 2015-03-19 | C. & E. Fein Gmbh | Gehäuse mit Schalterabdeckung |
WO2016002542A1 (ja) * | 2014-06-30 | 2016-01-07 | 日立工機株式会社 | 電動工具 |
US9812920B2 (en) * | 2014-09-15 | 2017-11-07 | Regal Beloit America, Inc. | Air-cooled electric machine and method of assembling the same |
-
2020
- 2020-01-24 JP JP2020010307A patent/JP7316953B2/ja active Active
- 2020-12-29 CN CN202011604371.2A patent/CN113170648A/zh active Pending
-
2021
- 2021-01-18 EP EP21152015.0A patent/EP3854533B1/en active Active
- 2021-01-20 US US17/153,216 patent/US11502578B2/en active Active
Patent Citations (5)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JP2007136607A (ja) | 2005-11-17 | 2007-06-07 | Matsushita Electric Works Ltd | 電動工具 |
JP2010200673A (ja) | 2009-03-03 | 2010-09-16 | Hitachi Koki Co Ltd | 電動作業機 |
JP2011097837A (ja) | 2009-11-04 | 2011-05-19 | Ryobi Ltd | バッテリー式の電動刈払い機 |
US20140265664A1 (en) | 2013-03-15 | 2014-09-18 | Regal Beloit Australia Pty Ltd. | Air-cooled electric machine and method of assembling the same |
JP2017155632A (ja) | 2016-02-29 | 2017-09-07 | 株式会社ケーヒン | 空調用ブロアモータユニット |
Also Published As
Publication number | Publication date |
---|---|
CN113170648A (zh) | 2021-07-27 |
JP2021114936A (ja) | 2021-08-10 |
EP3854533A1 (en) | 2021-07-28 |
US20210234431A1 (en) | 2021-07-29 |
US11502578B2 (en) | 2022-11-15 |
EP3854533B1 (en) | 2023-06-28 |
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