WO2018018901A1 - 一种外转子组件及应用其的外转子电机 - Google Patents

一种外转子组件及应用其的外转子电机 Download PDF

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Publication number
WO2018018901A1
WO2018018901A1 PCT/CN2017/077687 CN2017077687W WO2018018901A1 WO 2018018901 A1 WO2018018901 A1 WO 2018018901A1 CN 2017077687 W CN2017077687 W CN 2017077687W WO 2018018901 A1 WO2018018901 A1 WO 2018018901A1
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Prior art keywords
outer rotor
rotor assembly
mounting piece
ring portion
mounting
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PCT/CN2017/077687
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English (en)
French (fr)
Inventor
曾崇生
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中山大洋电机股份有限公司
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Publication of WO2018018901A1 publication Critical patent/WO2018018901A1/zh

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    • H—ELECTRICITY
    • H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
    • H02K—DYNAMO-ELECTRIC MACHINES
    • H02K1/00—Details of the magnetic circuit
    • H02K1/06—Details of the magnetic circuit characterised by the shape, form or construction
    • H02K1/22—Rotating parts of the magnetic circuit
    • H02K1/27—Rotor cores with permanent magnets

Definitions

  • the utility model relates to an outer rotor assembly and an outer rotor motor using the same.
  • the existing outer rotor assembly includes a casing, a rotating shaft and a plurality of magnetic tiles mounted on the inner wall of the casing.
  • the magnetic tiles are fixed by elastic pieces.
  • the elastic pieces are separately installed between two adjacent magnetic tiles. Due to the large number of elastic pieces, the mounting position of the elastic pieces is not well controlled during the installation process, and sometimes it may be biased or Under the partial, it may exceed the working surface of the magnetic tile. The installation process is cumbersome, and the magnetic tile fixing effect is not good, which may cause the motor to malfunction easily when it is running.
  • the purpose of the utility model is to provide an outer rotor assembly, wherein the magnetic tile is installed in the casing through the bracket, the assembly operation is simple, and the fixing effect is good.
  • An outer rotor assembly includes a casing, a rotating shaft and a plurality of magnetic tiles mounted on an inner wall of the casing, wherein the magnetic tiles are mounted on the inner wall of the casing through a bracket, wherein the bracket comprises a bottom mounted on the casing And a plurality of mounting members disposed on the frame, the magnetic tiles being mounted between two adjacent mounting members, the mounting member comprising a first mounting piece and a second mounting piece, the first mounting piece and The second mounting piece protrudes axially from the end surface of the frame body to form a buffer cavity between the first mounting piece and the second mounting piece.
  • the first mounting piece and the second mounting piece top are connected by a wedge-shaped connecting portion.
  • a positioning post is disposed on both sides of the mounting member, and the positioning post abuts against an outer surface of the magnetic tile to restrict the magnetic tile from moving outward.
  • a connecting piece is disposed between the first mounting piece and the second mounting piece, the connecting piece is located on a side close to the rotating shaft, and the positioning post protrudes from both sides of the connecting piece.
  • the first mounting piece and the second mounting piece are provided with axial reinforcing ribs, and the reinforcing ribs abut against the side surface of the magnetic tile.
  • the frame body includes an inner ring portion and an outer ring portion, and a plurality of radial portions are disposed between the inner ring portion and the outer ring portion A rib, the mounting member is distributed on the outer ring portion.
  • the plurality of first ribs are evenly distributed.
  • a drain groove is arranged between the bottom of the inner ring portion and the adjacent two second ribs, and a drain hole is arranged at the top of the casing, and dripping water flows out from the drain hole.
  • An annular boss is disposed at the bottom of the outer ring portion.
  • An outer rotor motor includes an outer rotor assembly and a stator assembly, the outer rotor assembly being sleeved on the stator assembly, the outer rotor assembly being the outer rotor assembly described above.
  • the bracket comprises a frame mounted on the bottom of the casing and a plurality of mounting members disposed on the frame, the magnetic tiles being mounted between adjacent two mounting members, the mounting member comprising a first mounting piece And the second mounting piece, the first mounting piece and the second mounting piece are axially protruded from the end surface of the frame body, and a buffer cavity is formed between the first mounting piece and the second mounting piece, and the magnetic tile is installed on the adjacent two
  • the buffer cavity can better catch the magnetic tile, prevent the magnetic tile from loosening, the fixing effect is good, and the assembly operation is simple;
  • the first mounting piece and the second mounting piece top are connected by a wedge-shaped connecting portion, and the wedge-shaped connecting portion serves as a guiding function to facilitate the installation of the magnetic tile and strengthen the structure;
  • positioning pins are arranged on both sides of the mounting member, the positioning post abuts against the outer surface of the magnetic tile to restrict the outward movement of the magnetic tile, and the positioning post can better fix the magnetic tile to prevent the magnetic tile from moving outward;
  • the frame body comprises an inner ring portion and an outer ring portion, and a plurality of radial first ribs are arranged between the inner ring portion and the outer ring portion, and the mounting member is distributed on the outer ring portion, and the first rib is similar to the centrifugal wind Leaves, the first rib can rotate the airflow when rotating, improving the heat dissipation effect;
  • the bottom of the inner ring portion is provided with a drainage groove between the adjacent two second ribs, and the drainage groove allows the dripping water to circulate to each other to prevent water accumulation.
  • Figure 1 is a perspective view of the outer rotor assembly of the first embodiment
  • Figure 2 is a front elevational view of the outer rotor assembly of the first embodiment
  • Figure 3 is a cross-sectional view taken along line A-A of Figure 2;
  • Figure 4 is a cross-sectional view taken along line B-B of Figure 2;
  • Figure 5 is a perspective view of the bracket in the outer rotor assembly of the first embodiment
  • Fig. 6 is a perspective view showing another perspective of the bracket in the outer rotor assembly of the first embodiment.
  • Embodiment 1 is a diagrammatic representation of Embodiment 1:
  • the embodiment is an outer rotor assembly comprising a casing 1, a rotating shaft 2 and a plurality of magnetic tiles 3 mounted on the inner wall of the casing 1, the magnetic tiles 3 being mounted on the bracket 4
  • the inner wall of the casing 1 is characterized in that the bracket 4 comprises a frame body 42 mounted on the bottom of the casing 1 and a plurality of mounting members 41 disposed on the frame body 42, the magnetic tiles 3 being mounted on two adjacent sides
  • the mounting member 41 includes a first mounting piece 411 and a second mounting piece 412.
  • the first mounting piece 411 and the second mounting piece 412 are axially protruded from the end surface of the frame body 42 at the first
  • a buffer cavity 426 is formed between the mounting piece 411 and the second mounting piece 412.
  • the tops of the first mounting piece 411 and the second mounting piece 412 are connected by a wedge-shaped connecting portion 413.
  • a positioning post 43 is disposed on both sides of the mounting member 41.
  • the positioning post 43 abuts against the outer surface of the magnetic tile 3 to restrict the outer movement of the magnetic tile 3.
  • a connecting piece 414 is disposed between the first mounting piece 411 and the second mounting piece 412.
  • the connecting piece 414 is located on a side close to the rotating shaft, and the positioning post 43 protrudes from both sides of the connecting piece 414.
  • the first mounting piece 411 and the second mounting piece 412 are provided with axial reinforcing ribs 44, and the reinforcing ribs 44 abut against the side surface of the magnetic tile 3.
  • the frame body 42 includes an inner ring portion 421 and an outer ring portion 422.
  • a plurality of radial first ribs 423 are disposed between the inner ring portion 421 and the outer ring portion 422, and the mounting member 41 is distributed on the outer ring portion 422.
  • the plurality of first ribs 423 are evenly distributed.
  • a drainage groove 424 is defined between the bottom of the inner ring portion 421 and the adjacent two second ribs 4211.
  • the top of the casing 1 is provided with a drainage hole 11 through which the dripping water flows.
  • An annular boss 425 is disposed at the bottom of the outer ring portion 422.
  • Embodiment 2 is a diagrammatic representation of Embodiment 1:
  • An outer rotor motor comprising an outer rotor assembly (not shown) and a stator assembly (not shown), the outer rotor assembly being sleeved on the stator assembly, the outer rotor assembly being according to an embodiment An outer rotor assembly as described.
  • the bracket 4 includes a frame body 42 mounted on the bottom of the casing 1 and a plurality of mounting members 41 disposed on the frame body 42.
  • the magnetic tiles 3 are mounted between adjacent two mounting members 41.
  • the mounting member 41 includes a first mounting piece 411 and a second mounting piece 412.
  • the first mounting piece 411 and the second mounting piece 412 are axially protruded from the end surface of the frame body 42 at the first mounting piece 411 and the second mounting piece.
  • a buffer cavity 426 is formed between the 412.
  • the operation is simple; the tops of the first mounting piece 411 and the second mounting piece 412 are connected by a wedge-shaped connecting portion 413, and the wedge-shaped connecting portion 413 is guided to facilitate the installation of the magnetic tile 3 to strengthen the structure; the mounting member 41 Positioning post 43 is disposed on the side, the positioning post 43 is pressed against the outer surface of the magnetic tile 3 to restrict the outer movement of the magnetic tile 3, and the positioning post 43 can better fix the magnetic tile 3 to prevent the magnetic tile 3 from moving outward;
  • the body 42 includes an inner ring portion 421 and an outer ring portion 422, and a plurality of radial first ribs are disposed between the inner ring portion 421 and the outer ring portion 422.
  • the mounting member 41 is distributed on the outer ring portion 422, and the first rib 423 is similar to the centrifugal fan blade.
  • the first rib 423 can agitate the airflow to improve the heat dissipation effect;
  • the inner ring portion 421 is at the bottom of the adjacent two
  • a drain groove 424 is disposed between the second ribs 4211. The drain groove 424 allows the drip water to circulate to each other to prevent water from accumulating.

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  • Engineering & Computer Science (AREA)
  • Power Engineering (AREA)
  • Wind Motors (AREA)
  • Motor Or Generator Frames (AREA)

Abstract

一种外转子组件，包括机壳（1）、转轴（2）和安装在机壳（1）内壁的若干个磁瓦（3），磁瓦（3）通过支架（4）安装在所述机壳（1）内壁，支架（4）包括安装在机壳底部的架体（42）和设置在架体（42）上的若干个安装件（41），磁瓦（3）安装在相邻两个安装件（41）之间，安装件（41）包括第一安装片（411）和第二安装片（412），第一安装片（411）和第二安装片（412）从架体（42）的端面轴向凸起，在第一安装片（411）和第二安装片（412）之间形成缓冲空腔（426），磁瓦（3）安装在相邻的两个安装件（41）之间时，缓冲空腔（426）能更好的卡住磁瓦（3），防止磁瓦（3）松脱，固定效果好，装配操作简单。

Description

一种外转子组件及应用其的外转子电机 技术领域：
本实用新型涉及一种外转子组件及应用其的外转子电机。
背景技术：
现有的外转子组件，包括机壳、转轴和安装在机壳内壁的若干个磁瓦。所述磁瓦之间通过弹片撑开固定，弹片是单独安装在相邻的两块磁瓦之间，因弹片数量比较多，在安装过程中，弹片安装位置不好控制，有时会偏上或者偏下，还有可能会超出磁瓦的工作面，安装过程繁琐，磁瓦固定效果不佳，有可能导致电机运转时容易发生故障。
发明内容：
本实用新型的目的是提供一种外转子组件，磁瓦通过支架安装在机壳内，装配操作简单，固定效果好。
本实用新型的目的是通过下述技术方案予以实现的。
一种外转子组件，包括机壳、转轴和安装在机壳内壁的若干个磁瓦，所述磁瓦通过支架安装在所述机壳内壁，其特征在于：所述支架包括安装在机壳底部的架体和设置在架体上若干个安装件，所述磁瓦安装在相邻两个安装件之间，所述的安装件包括第一安装片和第二安装片，第一安装片和第二安装片从架体的端面轴向凸起，在第一安装片和第二安装片之间形成缓冲空腔。
所述的第一安装片和第二安装片顶部通过楔形连接部连接起来。
所述安装件两侧设置定位柱，定位柱抵住所述磁瓦的外表面以限制所述磁瓦外移。
第一安装片和第二安装片之间设置的连接片，连接片位于靠近转轴的一侧，定位柱是从连接片的两侧伸出。
所述第一安装片和所述第二安装片上设有轴向加强筋，所述加强筋抵住所述磁瓦的侧面。
所述架体包括内环部和外环部，内环部和外环部之间设有若干放射状的第 一筋条，安装件分布在外环部上。
所述若干第一筋条均匀分布。
所述内环部底部于相邻两个第二筋条之间设有排水槽，机壳顶部设有排水孔，滴水从排水孔流出。
所述外环部底部设有一环形凸台。
一种外转子电机，包括外转子组件和定子组件，所述外转子组件套在所述定子组件上，所述外转子组件为上述所述的外转子组件。
本实用新型与现有技术相比，具有如下效果：
1)所述支架包括安装在机壳底部的架体和设置在架体上若干个安装件，所述磁瓦安装在相邻两个安装件之间，所述的安装件包括第一安装片和第二安装片，第一安装片和第二安装片从架体的端面轴向凸起，在第一安装片和第二安装片之间形成缓冲空腔，磁瓦安装在相邻的两个安装件时，缓冲空腔能更好的卡住磁瓦，防止磁瓦松脱，固定效果好，装配操作简单；
2)所述的第一安装片和第二安装片顶部通过楔形连接部连接起来，楔形连接部起导向作用，方便磁瓦安装,加强结构作用；
3)所述安装件两侧设置定位柱，定位柱抵住所述磁瓦的外表面以限制所述磁瓦外移，定位柱能够更好的固定磁瓦，防止磁瓦外移；
4)所述架体包括内环部和外环部，内环部和外环部之间设有若干放射状的第一筋条，安装件分布在外环部上，第一筋条类似离心风叶，旋转时第一筋条可以搅动气流，提高散热效果；
5)所述的内环部底部于相邻两个第二筋条之间设有排水槽，排水槽使得滴水可以相互流通，防止积水。
附图说明：
图1是实施例1外转子组件的立体示意图；
图2是实施例1外转子组件的主视图；
图3是图2的A-A剖视图；
图4是图2的B-B剖视图；
图5是实施例1外转子组件中的支架立体示意图；
图6是实施例1外转子组件中的支架另一角度立体示意图。
具体实施方式：
下面通过具体实施例并结合附图对本实用新型作进一步详细的描述。
实施例一：
如图1至图4所示，本实施例是一种外转子组件，包括机壳1、转轴2和安装在机壳1内壁的若干个磁瓦3，所述磁瓦3通过支架4安装在所述机壳1内壁，其特征在于：所述支架4包括安装在机壳1底部的架体42和设置在架体42上若干个安装件41，所述磁瓦3安装在相邻两个安装件41之间，所述的安装件41包括第一安装片411和第二安装片412，第一安装片411和第二安装片412从架体42的端面轴向凸起，在第一安装片411和第二安装片412之间形成缓冲空腔426。
所述的第一安装片411和第二安装片412顶部通过楔形连接部413连接起来。
所述安装件41两侧设置定位柱43，定位柱43抵住所述磁瓦3的外表面以限制所述磁瓦3外移。
第一安装片411和第二安装片412之间设置的连接片414，连接片414位于靠近转轴的一侧，定位柱43是从连接片414的两侧伸出。
所述第一安装片411和所述第二安装片412上设有轴向加强筋44，所述加强筋44抵住所述磁瓦3的侧面。
所述架体42包括内环部421和外环部422，内环部421和外环部422之间设有若干放射状的第一筋条423，安装件41分布在外环部422上。
所述若干第一筋条423均匀分布。
所述内环部421底部于相邻两个第二筋条4211之间设有排水槽424，机壳1顶部设有排水孔11，滴水从排水孔流出。
所述外环部422底部设有一环形凸台425。
实施例二：
一种外转子电机，包括外转子组件(图中未视出)和定子组件(图中未视出)，所述外转子组件套在所述定子组件上，所述外转子组件为根据实施例一所述的外转子组件。
发明原理：所述支架4包括安装在机壳1底部的架体42和设置在架体42上若干个安装件41，所述磁瓦3安装在相邻两个安装件41之间，所述的安装件41包括第一安装片411和第二安装片412，第一安装片411和第二安装片412从架体42的端面轴向凸起，在第一安装片411和第二安装片412之间形成缓冲空腔426，磁瓦3安装在相邻的两个安装件41时，缓冲空腔426能更好的卡住磁瓦3，防止磁瓦3松脱，固定效果好，装配操作简单；所述的第一安装片411和第二安装片412顶部通过楔形连接部413连接起来，楔形连接部413起导向作用，方便磁瓦3安装,加强结构作用；所述安装件41两侧设置定位柱43，定位柱43抵住所述磁瓦3的外表面以限制所述磁瓦3外移，定位柱43能够更好的固定磁瓦3，防止磁瓦3外移；所述架体42包括内环部421和外环部422，内环部421和外环部422之间设有若干放射状的第一筋条423，安装件41分布在外环部422上，第一筋条423类似离心风叶，旋转时第一筋条423可以搅动气流，提高散热效果；所述的内环部421底部于相邻两个第二筋条4211之间设有排水槽424，排水槽424使得滴水可以相互流通，防止积水。
以上实施例为本发明的较佳实施方式，但本发明的实施方式不限于此，其他任何未背离本发明的精神实质与原理下所作的改变、修饰、替代、组合、简化，均为等效的置换方式，都包含在本发明的保护范围之内。

Claims (10)

  1. 一种外转子组件，包括机壳(1)、转轴(2)和安装在机壳(1)内壁的若干个磁瓦(3)，所述磁瓦(3)通过支架(4)安装在所述机壳(1)内壁，其特征在于：所述支架(4)包括安装在机壳(1)底部的架体(42)和设置在架体(42)上若干个安装件(41)，所述磁瓦(3)安装在相邻两个安装件(41)之间，所述的安装件(41)包括第一安装片(411)和第二安装片(412)，第一安装片(411)和第二安装片(412)从架体(42)的端面轴向凸起，在第一安装片(411)和第二安装片(412)之间形成缓冲空腔(426)。
  2. 根据权利要求1所述的一种外转子组件，其特征在于：所述的第一安装片(411)和第二安装片(412)顶部通过楔形连接部(413)连接起来。
  3. 根据权利要求1或2所述的一种外转子组件，其特征在于：所述安装件(41)两侧设置定位柱(43)，定位柱(43)抵住所述磁瓦(3)的外表面以限制所述磁瓦(3)外移。
  4. 根据权利要求3所述的一种外转子组件，其特征在于：第一安装片(411)和第二安装片(412)之间设置的连接片(414)，连接片(414)位于靠近转轴的一侧，定位柱(43)是从连接片(414)的两侧伸出。
  5. 根据权利要求3所述的一种外转子组件，其特征在于：所述第一安装片(411)和所述第二安装片(412)上设有轴向加强筋(44)，所述加强筋(44)抵住所述磁瓦(3)的侧面。
  6. 根据权利要求3所述的一种外转子组件，其特征在于：所述架体(42)包括内环部(421)和外环部(422)，内环部(421)和外环部(422)之间设有若干放射状的第一筋条(423)，安装件(41)分布在外环部(422)上。
  7. 根据权利要求6所述的一种外转子组件，其特征在于：所述若干第一筋条(423)均匀分布。
  8. 根据权利要求6所述的一种外转子组件，其特征在于：所述内环部(421)底部于相邻两个第二筋条(4211)之间设有排水槽(424)，机壳(1)顶部设有 排水孔(11)，滴水从排水孔流出。
  9. 根据权利要求6所述的一种外转子组件，其特征在于：所述外环部(422)底部设有一环形凸台(425)。
  10. 一种外转子电机，包括外转子组件和定子组件，所述外转子组件套在所述定子组件上，其特征在于：所述外转子组件为根据权利要求1至权利要求9所述的外转子组件。
PCT/CN2017/077687 2016-07-23 2017-03-22 一种外转子组件及应用其的外转子电机 WO2018018901A1 (zh)

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CN201620787084.2U CN205901469U (zh) 2016-07-23 2016-07-23 一种外转子组件及应用其的外转子电机

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