JP2022091205A5 - - Google Patents
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- Publication number
- JP2022091205A5 JP2022091205A5 JP2020203874A JP2020203874A JP2022091205A5 JP 2022091205 A5 JP2022091205 A5 JP 2022091205A5 JP 2020203874 A JP2020203874 A JP 2020203874A JP 2020203874 A JP2020203874 A JP 2020203874A JP 2022091205 A5 JP2022091205 A5 JP 2022091205A5
- Authority
- JP
- Japan
- Prior art keywords
- rotor
- yoke
- stator
- machine according
- working machine
- 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.)
- Pending
Links
Claims (7)
前記ステータコアに固定される合成樹脂製のインシュレータと、
前記インシュレータを介して前記ティースに巻かれたコイルと、を含むステータと、
前記ステータを支持するステータベースと、
前記ステータを囲むように配置される円筒状のロータヨークと、
前記ロータヨークに接着剤により周方向に間隔をあけて固定される１４個のマグネットと、
少なくとも一部が前記ステータベースの内側に配置され回転軸を中心に回転され、前記ロータヨークと一体回転するロータシャフトと、を含むロータと、
前記ロータにより駆動される出力部と、
前記ステータベースと前記ロータシャフトとの間に配置され前記ロータシャフトを支持する第１ベアリングと第２ベアリングと、を備え、
前記第１ベアリングは、前記回転軸の軸方向において、前記ロータシャフトの第１部分を支持し、前記ステータコアの少なくとも一部とオーバーラップし、
前記第２ベアリングは、前記ロータシャフトの第２部分を支持し、
前記ロータヨークは、複数のヨーク部により構成される、
電動作業機。 a stator core having a stator yoke and 12 teeth protruding radially outward from an outer surface of the stator yoke;
a synthetic resin insulator fixed to the stator core;
a stator including a coil wound around the teeth via the insulator;
a stator base that supports the stator;
a cylindrical rotor yoke arranged to surround the stator;
14 magnets fixed to the rotor yoke with an adhesive at intervals in the circumferential direction;
a rotor shaft, at least a portion of which is disposed inside the stator base, rotates around a rotation axis, and rotates integrally with the rotor yoke;
an output section driven by the rotor;
comprising a first bearing and a second bearing disposed between the stator base and the rotor shaft and supporting the rotor shaft,
The first bearing supports the first portion of the rotor shaft in the axial direction of the rotating shaft, and overlaps at least a portion of the stator core,
the second bearing supports a second portion of the rotor shaft;
The rotor yoke is composed of a plurality of yoke parts,
Electric work equipment.
複数の前記接続リブ及び前記ロータシャフトは、ロータプレートに接続されている、
請求項１に記載の電動作業機。 The rotor yoke is connected to a plurality of connecting ribs,
the plurality of connecting ribs and the rotor shaft are connected to a rotor plate;
The electric working machine according to claim 1.
請求項１に記載の電動作業機。 a plurality of yoke convex portions disposed on the rotor yoke are disposed in a plurality of yoke concave portions disposed on the rotor yoke;
The electric working machine according to claim 1.
前記ロータカップは、前記マグネットよりも長い、
請求項２に記載の電動作業機。 a rotor cup having the connecting rib and the rotor plate;
the rotor cup is longer than the magnet;
The electric working machine according to claim 2.
請求項１に記載の電動作業機。 a screw is disposed in a screw opening provided in the stator base;
The electric working machine according to claim 1.
請求項１に記載の電動作業機。 The insulator is fixed to a sensor board that supports a magnetic sensor that detects rotation of the rotor.
The electric working machine according to claim 1.
請求項６に記載の電動作業機。 The magnet and the magnetic sensor are arranged to face each other,
The electric working machine according to claim 6.
Priority Applications (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP2020203874A JP2022091205A (en) | 2020-12-09 | 2020-12-09 | Electric work machine |
| PCT/JP2021/038998 WO2022123925A1 (en) | 2020-12-09 | 2021-10-21 | Electric work machine |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP2020203874A JP2022091205A (en) | 2020-12-09 | 2020-12-09 | Electric work machine |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| JP2022091205A JP2022091205A (en) | 2022-06-21 |
| JP2022091205A5 true JP2022091205A5 (en) | 2023-11-10 |
Family
ID=81973629
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP2020203874A Pending JP2022091205A (en) | 2020-12-09 | 2020-12-09 | Electric work machine |
Country Status (2)
| Country | Link |
|---|---|
| JP (1) | JP2022091205A (en) |
| WO (1) | WO2022123925A1 (en) |
Family Cites Families (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1264264C (en) * | 2000-12-22 | 2006-07-12 | 株式会社美姿把 | Magnet holding structure of rotor |
| JP2010178493A (en) * | 2009-01-29 | 2010-08-12 | Mitsuba Corp | Outer rotor type brushless motor |
| JP2018143043A (en) * | 2017-02-28 | 2018-09-13 | 日本電産株式会社 | motor |
| JP6856446B2 (en) * | 2017-05-23 | 2021-04-07 | 澤藤電機株式会社 | Rotor structure in outer rotor type motor |
| JP6972816B2 (en) * | 2017-09-14 | 2021-11-24 | 日本電産株式会社 | motor |
| JP7396291B2 (en) * | 2018-09-28 | 2023-12-12 | ニデック株式会社 | Rotor, rotor manufacturing method, motor |
| JP7099936B2 (en) * | 2018-11-15 | 2022-07-12 | 株式会社三井ハイテック | Iron core products and manufacturing methods for iron core products |
-
2020
- 2020-12-09 JP JP2020203874A patent/JP2022091205A/en active Pending
-
2021
- 2021-10-21 WO PCT/JP2021/038998 patent/WO2022123925A1/en active Application Filing
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