WO2017005002A1 - 一种用于安装定子组件的套筒座及其应用的外转子电机 - Google Patents

一种用于安装定子组件的套筒座及其应用的外转子电机 Download PDF

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Publication number
WO2017005002A1
WO2017005002A1 PCT/CN2016/075893 CN2016075893W WO2017005002A1 WO 2017005002 A1 WO2017005002 A1 WO 2017005002A1 CN 2016075893 W CN2016075893 W CN 2016075893W WO 2017005002 A1 WO2017005002 A1 WO 2017005002A1
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WO
WIPO (PCT)
Prior art keywords
mounting
stator assembly
base
sleeve
sleeve seat
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PCT/CN2016/075893
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English (en)
French (fr)
Inventor
何锦豪
朱金成
王雄程
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中山大洋电机股份有限公司
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Application filed by 中山大洋电机股份有限公司 filed Critical 中山大洋电机股份有限公司
Publication of WO2017005002A1 publication Critical patent/WO2017005002A1/zh
Priority to US15/838,300 priority Critical patent/US10680486B2/en

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    • H—ELECTRICITY
    • H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
    • H02K—DYNAMO-ELECTRIC MACHINES
    • H02K5/00—Casings; Enclosures; Supports

Definitions

  • the utility model relates to a sleeve seat for mounting a stator assembly and an outer rotor motor thereof.
  • the existing plastic-sealed stator used in the outer rotor motor comprises a sleeve seat, a stator core, an end insulation, a coil winding and a plastic body, the end insulation is mounted on the end face of the stator core, and the coil winding is wound on the end insulation.
  • the sleeve seat is disposed in the shaft hole in the middle of the stator core, and the plastic sealing body integrally connects the stator core, the end insulation, the coil winding and the sleeve seat.
  • the motor can be fixed only on one side of the motor.
  • Common installation methods are shaft horizontal installation and axial down vertical installation.
  • the end cover of the intelligent fixed side when the shaft is horizontally mounted is cantilevered.
  • the axial installation is performed, only the upper end cover can be fixed, and the motor is drooping underneath.
  • the stress between the plastic body and the sleeve is promoted, and the two are separated.
  • the joint between the plastic body and the sleeve is not Reliable, low overall strength, easy to fall off.
  • a first object of the present invention is to provide a sleeve seat for mounting a stator assembly which has a simple structure and a large structural strength.
  • a second object of the present invention is to provide an outer rotor motor which has a simple structure, high structural strength and high reliability.
  • a sleeve seat for mounting a stator assembly comprising: a base and a sleeve portion extending from an intermediate end of the base; a bearing chamber for mounting a bearing is respectively disposed at two ends of the sleeve portion, and a radial direction is formed on an outer wall surface of the base
  • a plurality of mounting feet are extended, and reinforcing ribs are disposed on the upper surface and/or the lower surface of the mounting feet, and the reinforcing ribs are obliquely connected between the outer wall surface of the base and the outer edge of the mounting foot.
  • the upper surface of the mounting foot is parallel to the lower surface, and two reinforcing ribs are disposed on the upper surface and the lower surface of the mounting foot, and two reinforcing ribs on the upper surface of the mounting foot are respectively located on both sides of the upper surface, and the mounting feet are The two reinforcing ribs of the surface are respectively located on both sides of the lower surface.
  • the above-mentioned ribs on the upper surface of the mounting foot are inclined in opposite directions from the ribs on the lower surface of the mounting foot.
  • An arcuate flange is disposed between the adjacent two mounting legs and on the outer wall surface of the base, and each of the arcuate flanges connects the adjacent two mounting legs together.
  • the through hole is formed in the arc flange and the mounting leg.
  • each mounting foot is provided with a boss, and a mounting hole is opened in the middle of the boss, and two reinforcing ribs on the upper surface of the mounting foot are obliquely connected between the outer wall surface of the base and the boss and An upper groove portion is formed between the outer wall surface of the base, the two reinforcing ribs and the boss.
  • each mounting foot is provided with a stopper, and the two reinforcing ribs of the lower surface of the mounting foot are obliquely connected between the outer wall surface of the base and the stopper and on the outer wall surface of the base, two reinforcing ribs and the block A lower groove portion is formed between the blocks.
  • the number of the above mounting legs is four, and the four mounting feet are evenly distributed along the circumferential direction.
  • An outer rotor motor comprises a rotating shaft, a plastic-sealed stator and an outer rotor, the outer rotor is sleeved on the outer surface of the plastic-sealed stator, the plastic-sealed stator comprises a sleeve seat, a stator assembly and a plastic sealing body, and the stator assembly is sleeved on the sleeve seat, and the plastic sealing body
  • the sleeve is integrally coupled to the stator assembly, and the rotating shaft is mounted in the sleeve seat, and one end of the rotating shaft protrudes from the middle of the sleeve seat and is coupled with the outer rotor, wherein the sleeve seat adopts the above-mentioned A socket for mounting on a stator assembly.
  • a reinforcing rib is disposed on the upper surface and/or the lower surface of the mounting foot, and the reinforcing rib is obliquely connected between the outer wall surface of the base and the outer edge of the mounting leg.
  • the upper surface of the mounting foot is parallel to the lower surface
  • the ribs are respectively located on the two sides of the upper surface, and the two reinforcing ribs on the lower surface of the mounting foot are respectively located on the two sides of the lower surface, and the structure is simple, the structural strength is large, and the reliability is high;
  • An arc-shaped flange is arranged between the adjacent two mounting feet and the outer wall surface of the base, and each of the arc-shaped flanges connects the adjacent two mounting legs together to effectively strengthen the base and the mounting foot. Connection strength
  • the through hole, the upper groove portion and the lower groove portion on the sleeve seat can effectively increase the bonding force between the sleeve seat and the molding body, and the overall strength is large, thereby effectively preventing the falling off;
  • the installation hole is opened in the middle of the boss, and the structure is simple and convenient for installation.
  • Figure 1 is a perspective view of the sleeve seat at an angle in the embodiment
  • Figure 2 is a perspective view of another angle of the sleeve seat in the embodiment.
  • Figure 3 is a plan view of the sleeve seat of the embodiment
  • Figure 4 is a cross-sectional view taken along line A-A of Figure 3;
  • Figure 5 is a perspective view of the outer rotor motor in the embodiment
  • Figure 6 is an exploded view of the outer rotor motor in the embodiment
  • Fig. 7 is a schematic structural view of an outer rotor motor in the embodiment.
  • Embodiment 1 As shown in FIG. 1, FIG. 2, FIG. 3 and FIG. 4, this embodiment is a sleeve seat for mounting a stator assembly, comprising a base 11 and a sleeve portion extending from an end of the base 11 at one end 12, a bearing chamber 120 for mounting a bearing is respectively disposed at two ends of the sleeve portion 12, and a plurality of mounting legs 13 are radially extended on the outer wall surface of the base 11, and the upper surface of the mounting leg 13 is parallel to the lower surface, and is mounted Two ribs 14 are disposed on the upper surface and the lower surface of the leg 13, and two reinforcing ribs 14 on the upper surface of the mounting leg 13 are respectively located on both sides of the upper surface, and two reinforcing ribs 14 on the lower surface of the mounting leg 13 are attached.
  • the rib 14 on the upper surface of the mounting leg 13 is inclined in the opposite direction from the rib 14 on the lower surface of the mounting leg 13.
  • An arcuate flange 15 is disposed between the adjacent two mounting legs 13 and on the outer wall surface of the base 11, and each of the arcuate flanges 15 connects the adjacent two mounting legs 13.
  • Curved flange A through hole 16 is defined in both the 15 and the mounting leg 13.
  • a boss 131 is disposed on an outer edge of the upper surface of each of the mounting legs 13, and a mounting hole 1310 is defined in the middle of the boss 131.
  • the two reinforcing ribs 14 on the upper surface of the mounting leg 13 are obliquely connected to the outer wall surface of the base 11 and An upper groove portion 171 is formed between the bosses 131 and between the outer wall faces of the chassis 11, the two reinforcing ribs 14, and the bosses 131.
  • a stopper 132 is disposed on an outer edge of the lower surface of each of the mounting legs 13, and the two reinforcing ribs 14 on the lower surface of the mounting leg 13 are obliquely connected between the outer wall surface of the base 11 and the stopper 132 and outside the base 14.
  • a lower groove portion 172 is formed between the wall surface, the two reinforcing ribs 14 and the stopper 132.
  • the number of the mounting legs 13 is four, and the four mounting legs 13 are evenly distributed along the circumferential direction.
  • Embodiment 2 As shown in FIG. 5, FIG. 6 and FIG. 7, the embodiment is an outer rotor motor comprising a rotating shaft 2, a molded stator 3 and an outer rotor 4, and the outer rotor 4 is sleeved outside the plastic stator 3.
  • the molded stator 3 includes a socket holder 1, a stator assembly 31 and a molding body 32, wherein the stator assembly 31 includes a stator core 311, an end insulation 312, and a coil winding 313, and the end insulation 312 is mounted on an end surface of the stator core 311.
  • the coil winding 313 is wound on the end insulation 312, and the sleeve seat 1 is disposed in the shaft hole in the middle of the stator core 311.
  • the molding body 32 insulates the sleeve seat 1, the stator core 311 and the end portion. 312 and coil winding 313 are integrally connected.
  • the sleeve base 1 includes a base 11 and a sleeve portion 12 extending from an end of the base portion 11.
  • a bearing chamber 120 is respectively disposed at two ends of the sleeve portion 12, and a bearing 5 is mounted inside the bearing chamber 210, and the rotating shaft 1 is located at the sleeve
  • the inside of the seat 1 and the two ends are respectively supported on the bearing 5, and one end of the rotating shaft 2 projects from the middle of the sleeve seat 1 and is connected to the outer rotor 4.
  • the sleeve seat 1 adopts the sleeve seat for mounting on the stator assembly described in the first embodiment, and the specific structure of the sleeve seat will not be discussed here.

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

Abstract

一种用于安装定子组件的套筒座及其应用的外转子电机。套筒座包括底座（11）和从底座一端中间伸出的套筒部（12），在套筒部两端分别开设有用于安装轴承的轴承室（120），在底座的外壁面上径向延伸出若干个安装脚（13），在安装脚的上表面和/或下表面上设置有加强筋（14），其倾斜地连接在底座的外壁面与安装脚的外缘之间。该套筒座构造简单，结构强度大。

Description

一种用于安装定子组件的套筒座及其应用的外转子电机 技术领域：
本实用新型涉及一种用于安装定子组件的套筒座及其应用的外转子电机。
背景技术：
现有用于外转子电机中的塑封定子包括套筒座、定子铁芯、端部绝缘、线圈绕组和塑封体，端部绝缘安装在定子铁芯的端面上，线圈绕组绕制于端部绝缘上，套筒座设置于定子铁芯中间的轴孔内，塑封体把定子铁芯、端部绝缘、线圈绕组和套筒座连结成一体。
外转子电机因为转子在电机外侧旋转，电机常规固定方式只能在电机的一侧。常见安装方式有轴水平安装和轴向下垂直安装。轴水平安装时智能固定一侧的端盖，呈悬臂式安装。轴向下安装时只能固定上侧端盖，电机在下面呈下垂状。这两种情况下，由于定子的重力、负载的重力以及电机工作时振动的作用，都会作用于塑封体与套筒座间的应力，促使二者分离，塑封体与套筒座之间结合不可靠，整体强度低，容易脱落。
为了加强套筒座的结构强度和加强套筒座与塑封体之间的结合力，现有部分厂家重新设计套筒座，在套筒座上增加安装脚或者加强筋，但是效果依然不理想，在使用过程中依然存在隐患。
发明内容：
本实用新型的第一个目的是提供一种用于安装定子组件的套筒座，其结构简单，结构强度大。
本实用新型的第二个目的是提供一种外转子电机，其结构简单，结构强度大，可靠性高。
本实用新型的目的是通过下述技术方案予以实现的。
一种用于安装定子组件的套筒座，包括底座和从底座一端中间伸出的套筒部，在套筒部两端分别开设有用于安装轴承的轴承室，在底座的外壁面上径向 延伸出若干个安装脚，在安装脚的上表面和/或下表面上设置有加强筋，加强筋倾斜地连接在底座的外壁面与安装脚的外缘之间。
上述安装脚的上表面与下表面平行，在安装脚的上表面和下表面上均设置有2条加强筋，安装脚上表面的2条加强筋分别位于上表面的两侧边上，安装脚下表面的2条加强筋分别位于下表面的两侧边上。
上述位于安装脚上表面的加强筋与位于安装脚下表面的加强筋沿相反的方向倾斜。
上述相邻的2个安装脚之间、底座的外壁面上设置有弧形凸缘，每个弧形凸缘把相邻的2个安装脚连接在一起。
上述在弧形凸缘和安装脚上均开设有通孔。
上述在每个安装脚上表面的外缘上设置有凸台，在凸台中间开设有安装孔，安装脚上表面的2条加强筋倾斜地连接在底座的外壁面与凸台之间并且在底座的外壁面、2条加强筋和凸台之间形成上槽部。
上述在每个安装脚下表面的外缘上设置有挡块，安装脚下表面的2条加强筋倾斜的连接在底座的外壁面与挡块之间并且在底座的外壁面、2条加强筋和挡块之间形成下槽部。
上述安装脚的数量为4个，4个安装脚沿周向间隔均匀分布。
一种外转子电机，包括转轴、塑封定子和外转子，外转子套设于塑封定子外面，所述的塑封定子包括套筒座、定子组件和塑封体，定子组件套装在套筒座上，塑封体把所述的套筒座和定子组件连结成一体，转轴安装在套筒座里面，转轴一端从套筒座中间伸出与外转子连接在一起，所述的套筒座采用上述所述的用于安装在定子组件上的套筒座。
本实用新型与现有技术相比，具有如下效果：
1)在安装脚的上表面和/或下表面上设置有加强筋，加强筋倾斜地连接在底座的外壁面与安装脚的外缘之间，优选的，安装脚的上表面与下表面平行，在安装脚的上表面和下表面上均设置有2条加强筋，安装脚上表面的2条加强 筋分别位于上表面的两侧边上，安装脚下表面的2条加强筋分别位于下表面的两侧边上，其结构简单，结构强度大，可靠性高；
2)相邻的2个安装脚之间、底座的外壁面上设置有弧形凸缘，每个弧形凸缘把相邻的2个安装脚连接在一起，有效加强底座与安装脚之间的连接强度；
3)通过在套筒座上的通孔、上槽部和下槽部可以有效增加套筒座与塑封体之间的结合力，整体强度大，有效防止脱落；
4)在凸台中间开设有安装孔，结构简单，方便安装。
附图说明：
图1是实施例中套筒座一个角度的立体图；
图2是实施例中套筒座另一个角度的立体图；
图3是实施例中套筒座的俯视图；
图4是图3中A-A剖视图；
图5是实施例中外转子电机的立体图；
图6是实施例中外转子电机的分解图；
图7是实施例中外转子电机的结构示意图。
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、图2、图3和图4所示，本实施例是一种用于安装定子组件的套筒座，包括底座11和从底座11一端中间伸出的套筒部12，在套筒部12两端分别开设有用于安装轴承的轴承室120，在底座11的外壁面上径向延伸出若干个安装脚13，安装脚13的上表面与下表面平行，在安装脚13的上表面和下表面上均设置有2条加强筋14，安装脚13上表面的2条加强筋14分别位于上表面的两侧边上，安装脚13下表面的2条加强筋14分别位于下表面的两侧边上。位于安装脚13上表面的加强筋14与位于安装脚13下表面的加强筋14沿相反的方向倾斜。相邻的2个安装脚13之间、底座11的外壁面上设置有弧形凸缘15，每个弧形凸缘15把相邻的2个安装脚13连接在一起。在弧形凸缘 15和安装脚13上均开设有通孔16。在每个安装脚13上表面的外缘上设置有凸台131，在凸台131中间开设有安装孔1310，安装脚13上表面的2条加强筋14倾斜地连接在底座11的外壁面与凸台131之间并且在底座11的外壁面、2条加强筋14和凸台131之间形成上槽部171。在每个安装脚13下表面的外缘上设置有挡块132，安装脚13下表面的2条加强筋14倾斜的连接在底座11的外壁面与挡块132之间并且在底座14的外壁面、2条加强筋14和挡块132之间形成下槽部172。安装脚13的数量为4个，4个安装脚13沿周向间隔均匀分布。
实施例二：如图5、图6和图7所示，本实施例是一种外转子电机，包括转轴2、塑封定子3和外转子4，外转子4套设于塑封定子3外面，所述的塑封定子3包括套筒座1、定子组件31和塑封体32，其中定子组件31包括定子铁芯311、端部绝缘312和线圈绕组313，端部绝缘312安装在定子铁芯311的端面上，线圈绕组313绕制于端部绝缘312上，套筒座1设置于定子铁芯311中间的轴孔内，塑封体32把所述的套筒座1、定子铁芯311、端部绝缘312和线圈绕组313连结成一体。套筒座1包括底座11和从底座11一端中间伸出的套筒部12，在套筒部12两端分别开设有轴承室120，在轴承室210里面安装有轴承5，转轴1位于套筒座1里面并且两端分别支承在所述的轴承5上，转轴2一端从套筒座1中间伸出与外转子4连接在一起。所述的套筒座1采用实施例一中所描述的用于安装在定子组件上的套筒座，在此不再对套筒座的具体结构进行论述。
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 (9)

  1. 一种用于安装定子组件的套筒座，包括底座(11)和从底座(11)一端中间伸出的套筒部(12)，在套筒部(12)两端分别开设有用于安装轴承的轴承室(120)，在底座(11)的外壁面上径向延伸出若干个安装脚(13)，其特征在于：在安装脚(13)的上表面和/或下表面上设置有加强筋(14)，加强筋(14)倾斜地连接在底座(11)的外壁面与安装脚(13)的外缘之间。
  2. 根据权利要求1所述的一种用于安装定子组件的套筒座，其特征在于：安装脚(13)的上表面与下表面平行，在安装脚(13)的上表面和下表面上均设置有2条加强筋(14)，安装脚(13)上表面的2条加强筋(14)分别位于上表面的两侧边上，安装脚(13)下表面的2条加强筋(14)分别位于下表面的两侧边上。
  3. 根据权利要求2所述的一种用于安装定子组件的套筒座，其特征在于：位于安装脚(13)上表面的加强筋(14)与位于安装脚(13)下表面的加强筋(14)沿相反的方向倾斜。
  4. 根据权利要求1或2或3所述的一种用于安装定子组件的套筒座，其特征在于：相邻的2个安装脚(13)之间、底座(11)的外壁面上设置有弧形凸缘(15)，每个弧形凸缘(15)把相邻的2个安装脚(13)连接在一起。
  5. 根据权利要求4所述的一种用于安装定子组件的套筒座，其特征在于：在弧形凸缘(15)和安装脚(13)上均开设有通孔(16)。
  6. 根据权利要求2或3所述的一种用于安装定子组件的套筒座，其特征在于：在每个安装脚(13)上表面的外缘上设置有凸台(131)，在凸台(131)中间开设有安装孔(1310)，安装脚(13)上表面的2条加强筋(14)倾斜地连接在底座(11)的外壁面与凸台(131)之间并且在底座(11)的外壁面、2条加强筋(14)和凸台(131)之间形成上槽部(171)。
  7. 根据权利要求6所述的一种用于安装定子组件的套筒座，其特征在于：在每个安装脚(13)下表面的外缘上设置有挡块(132)，安装脚(13)下表面 的2条加强筋(14)倾斜的连接在底座(11)的外壁面与挡块(132)之间并且在底座(14)的外壁面、2条加强筋(14)和挡块(132)之间形成下槽部(172)。
  8. 根据权利要求1或2或3所述的一种用于安装定子组件的套筒座，其特征在于：安装脚(13)的数量为4个，4个安装脚(13)沿周向间隔均匀分布。
  9. 一种外转子电机，包括转轴(2)、塑封定子(3)和外转子(4)，外转子(4)套设于塑封定子(3)外面，所述的塑封定子(3)包括套筒座(1)、定子组件(31)和塑封体(32)，定子组件套装(31)在套筒座(1)上，塑封体(32)把所述的套筒座(1)和定子组件(31)连结成一体，转轴(2)安装在套筒座(1)里面，转轴(2)一端从套筒座(1)中间伸出与外转子(4)连接在一起，其特征在于：所述的套筒座是权利要求1-8任一项所描述用于安装定子组件的套筒座。
PCT/CN2016/075893 2015-06-23 2016-03-08 一种用于安装定子组件的套筒座及其应用的外转子电机 WO2017005002A1 (zh)

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US11437900B2 (en) 2019-12-19 2022-09-06 Black & Decker Inc. Modular outer-rotor brushless motor for a power tool
US11757330B2 (en) 2019-12-19 2023-09-12 Black & Decker, Inc. Canned outer-rotor brushless motor for a power tool

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CN108167233A (zh) * 2018-02-05 2018-06-15 中山大洋电机股份有限公司 一种贯流风轮与电机的安装结构

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