JP2021040382A5 - Electric working machines and electric tools - Google Patents
Electric working machines and electric tools Download PDFInfo
- Publication number
- JP2021040382A5 JP2021040382A5 JP2019159148A JP2019159148A JP2021040382A5 JP 2021040382 A5 JP2021040382 A5 JP 2021040382A5 JP 2019159148 A JP2019159148 A JP 2019159148A JP 2019159148 A JP2019159148 A JP 2019159148A JP 2021040382 A5 JP2021040382 A5 JP 2021040382A5
- Authority
- JP
- Japan
- Prior art keywords
- stator
- rotor
- machine according
- motor
- electric
- 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.)
- Granted
Links
- 239000012212 insulator Substances 0.000 claims 4
- 239000000758 substrate Substances 0.000 claims 1
Description
本開示は、電動作業機及び電動工具に関する。 The present disclosure relates to an electric working machine and an electric tool.
Claims (15)
前記ロータの少なくとも一部に固定されるファンと、を備え、
前記ファンは、
主板部と、
前記主板部から軸方向一方側に突出する筒部と、
前記筒部の周囲に配置される複数の羽根部と、
前記羽根部の軸方向一方側に配置されるリング状のバッフル部と、を有し、
前記バッフル部は、前記ステータの少なくとも一部に対向する、
電動作業機。 a motor having a stator and a rotor disposed inside the stator and rotatable about a rotation axis;
a fan fixed to at least a portion of the rotor;
The fan is
a main plate;
a cylindrical portion protruding from the main plate portion to one side in the axial direction;
a plurality of blade portions arranged around the tubular portion;
a ring-shaped baffle portion arranged on one side of the blade portion in the axial direction;
The baffle portion faces at least a portion of the stator,
electric work machine.
ステータコアと、
前記ステータコアに設けられるインシュレータと、
前記インシュレータを介して前記ステータコアに装着されるコイルと、を有し、
径方向において、前記バッフル部の位置と前記ステータコアの少なくとも一部の位置とは一致する、
請求項１に記載の電動作業機。 The stator is
a stator core;
an insulator provided on the stator core;
a coil attached to the stator core via the insulator,
the position of the baffle portion and the position of at least a portion of the stator core match in the radial direction;
The electric working machine according to claim 1.
請求項２に記載の電動作業機。 The baffle portion faces the insulator,
The electric working machine according to claim 2.
請求項２又は請求項３に記載の電動作業機。 the inner diameter of the baffle portion is equal to or greater than the inner diameter of the stator core;
The electric working machine according to claim 2 or 3.
請求項１から請求項４のいずれか一項に記載の電動作業機。 The inner diameter of the baffle portion is larger than the outer diameter of the main plate portion,
The electric working machine according to any one of claims 1 to 4.
前記ステータの少なくとも一部に対向する表面と、
前記表面の反対方向を向く裏面と、を有し、
前記表面と前記裏面とは、平行である、
請求項１から請求項５のいずれか一項に記載の電動作業機。 The baffle part is
a surface facing at least a portion of the stator;
a back surface facing away from the front surface;
the front surface and the back surface are parallel;
The electric working machine according to any one of claims 1 to 5.
前記ロータの少なくとも一部に固定されるファンと、を備え、
前記ファンは、
主板部と、
前記主板部から軸方向一方側に突出する筒部と、
前記筒部の周囲に配置される複数の羽根部と、
前記羽根部の軸方向一方側に配置されるリング状のバッフル部と、を有し、
前記バッフル部は、
軸方向において一方側を向く表面と、
軸方向において他方側を向く裏面と、を有し、
前記表面と前記裏面とは、平行である、
電動作業機。 a motor having a stator and a rotor disposed inside the stator and rotatable about a rotation axis;
a fan fixed to at least a portion of the rotor;
The fan is
a main plate;
a cylindrical portion protruding from the main plate portion to one side in the axial direction;
a plurality of blade portions arranged around the tubular portion;
a ring-shaped baffle portion arranged on one side of the blade portion in the axial direction;
The baffle part is
a surface facing one side in the axial direction;
a back surface facing the other side in the axial direction,
the front surface and the back surface are parallel;
electric work machine.
請求項６又は請求項７に記載の電動作業機。 Each of the front surface and the back surface is orthogonal to the rotation axis,
The electric working machine according to claim 6 or 7.
前記ファンは、前記モータの後方に配置され、前記モータからの空気が前記バッフル部の内側に流入した後、前記羽根部の間から径方向外側に流出するように回転する、
請求項１から請求項８のいずれか一項に記載の電動作業機。 A speed reduction mechanism arranged in front of the motor,
The fan is arranged behind the motor, and rotates so that air from the motor flows into the inside of the baffle portion and then flows out radially outward from between the blade portions.
The electric working machine according to any one of claims 1 to 8.
ロータシャフトと、
前記ロータシャフトの周囲に配置されるロータコアと、
前記ロータコアに配置される永久磁石と、を有し、
前記主板部の中央部に、前記ロータシャフトが配置される開口が設けられる、
請求項１又は請求項７に記載の電動作業機。 The rotor is
a rotor shaft;
a rotor core arranged around the rotor shaft;
a permanent magnet arranged in the rotor core;
An opening in which the rotor shaft is arranged is provided in the central portion of the main plate portion,
The electric working machine according to claim 1 or 7.
前記ロータシャフトの後部を支持する後軸受と、を備え、
前記ファンは、前記後軸受と前記ステータとの間に配置される、
請求項１０に記載の電動作業機。 a front bearing that supports a front portion of the rotor shaft;
a rear bearing that supports the rear portion of the rotor shaft;
the fan is positioned between the rear bearing and the stator;
The electric operating machine according to claim 10.
前記モータ収容部の後部の開口を覆うように配置されるリヤケースと、を備え、
前記後軸受は、リヤケースに保持される、
請求項１１に記載の電動作業機。 a motor accommodating portion that accommodates at least part of the motor;
a rear case arranged to cover the opening at the rear of the motor housing,
The rear bearing is held by a rear case,
The electric operating machine according to claim 11.
請求項１２に記載の電動作業機。 The rear case accommodates at least part of the fan,
The electric working machine according to claim 12.
前記ロータの前方に配置され、前記ロータにより駆動される減速機構と、
前記減速機構の前方に配置され、前記減速機構により駆動される先端工具装着部と、
前記ブラシレスモータを収容するモータ収容部と、前記モータ収容部の下方に配置されるグリップ部と、前記グリップ部の下方に配置されるバッテリ装着部と、を有するハウジングと、
前記モータ収容部の後方に配置されるリヤケースと、
前記グリップ部に配置されるトリガスイッチと、を備える電動工具であって、
前記モータ収容部の左右に、吸気口を設け、
前記リヤケースの左右に、排気口を設け、
前記ファンは、筒部と、前記筒部の周囲に配置される複数の羽根部と、前記羽根部の後方に配置される主板部と、前記羽根部の前方に配置されるリング状のバッフル部と、を有し、
前記主板部の後面は、前記リヤケースに対向し、
前記バッフル部の前面は、前記ステータに対向する、
電動工具。 a stator having a stator core, an insulator and a coil; a rotor rotatable with respect to the stator and having a rotor core, permanent magnets and a rotor shaft; a sensor substrate arranged in front of the rotor core; a brushless motor having a fan that rotates with the rotor core at
a speed reduction mechanism disposed in front of the rotor and driven by the rotor;
a tip tool mounting portion disposed in front of the speed reduction mechanism and driven by the speed reduction mechanism;
a housing having a motor accommodating portion that accommodates the brushless motor, a grip portion that is arranged below the motor accommodating portion, and a battery mounting portion that is arranged below the grip portion;
a rear case arranged behind the motor accommodating portion;
a trigger switch arranged in the grip portion, the power tool comprising:
Intake ports are provided on the left and right sides of the motor accommodating portion,
Exhaust ports are provided on the left and right sides of the rear case,
The fan includes a tubular portion, a plurality of blade portions arranged around the tubular portion, a main plate portion arranged behind the blade portions, and a ring-shaped baffle portion arranged in front of the blade portions. and
The rear surface of the main plate portion faces the rear case,
a front surface of the baffle portion faces the stator;
Electric tool.
請求項１４に記載の電動工具。 The rotor is arranged inside the stator,
15. The power tool of claim 14.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP2019159148A JP7479804B2 (en) | 2019-08-30 | 2019-08-30 | Electrical work machines and power tools |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP2019159148A JP7479804B2 (en) | 2019-08-30 | 2019-08-30 | Electrical work machines and power tools |
Publications (3)
| Publication Number | Publication Date |
|---|---|
| JP2021040382A JP2021040382A (en) | 2021-03-11 |
| JP2021040382A5 true JP2021040382A5 (en) | 2022-10-27 |
| JP7479804B2 JP7479804B2 (en) | 2024-05-09 |
Family
ID=74848790
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP2019159148A Active JP7479804B2 (en) | 2019-08-30 | 2019-08-30 | Electrical work machines and power tools |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JP7479804B2 (en) |
Family Cites Families (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS5367009U (en) * | 1976-11-09 | 1978-06-06 | ||
| JP4680142B2 (en) * | 2006-07-19 | 2011-05-11 | デンヨー株式会社 | Coupling plate for engine-driven generator |
| JP6355390B2 (en) * | 2014-04-02 | 2018-07-11 | 三菱電機株式会社 | Rotating electric machine |
| JP6308704B2 (en) * | 2017-02-10 | 2018-04-11 | 株式会社マキタ | Electric tool |
-
2019
- 2019-08-30 JP JP2019159148A patent/JP7479804B2/en active Active
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| JP5285310B2 (en) | Engine driven generator | |
| EP2139095B1 (en) | Power tool including hybrid electric motor design | |
| WO2018180085A1 (en) | Electric tool | |
| JP2018137843A (en) | Electrically-driven tool | |
| US20140339930A1 (en) | Electric motor with improved cooling | |
| JP2015095997A (en) | Motor | |
| JP2009216017A5 (en) | ||
| KR101563314B1 (en) | Open type motor | |
| KR20200069204A (en) | Enhanced motor assembly for clothes dryer machine and clothes dryer machine comprising said assembly | |
| JP2017022971A (en) | Single-phase motor, airflow generating device, and electric apparatus | |
| JP6007951B2 (en) | Rotating electric machine | |
| TWI404595B (en) | Improve the efficiency of the hand-held machine tool | |
| JP2020099148A (en) | Actuator | |
| JP5739271B2 (en) | Impact tool | |
| JP2016116267A (en) | Power tool | |
| JP2021040382A5 (en) | Electric working machines and electric tools | |
| JP2012257452A5 (en) | ||
| JP5172034B2 (en) | Electric tool with DC brushless motor | |
| JP6857871B2 (en) | Electric tool | |
| JP6827198B2 (en) | Brushless motors and power tools | |
| JP5651940B2 (en) | Electric motor and work machine | |
| CA3139857A1 (en) | Electrical machine | |
| JP5730740B2 (en) | Rotating electric machine | |
| JP7441736B2 (en) | electric work equipment | |
| JP7070337B2 (en) | Electrical equipment |