WO2018166144A1 - 一种外转子电机防水结构 - Google Patents

一种外转子电机防水结构 Download PDF

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Publication number
WO2018166144A1
WO2018166144A1 PCT/CN2017/099655 CN2017099655W WO2018166144A1 WO 2018166144 A1 WO2018166144 A1 WO 2018166144A1 CN 2017099655 W CN2017099655 W CN 2017099655W WO 2018166144 A1 WO2018166144 A1 WO 2018166144A1
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Prior art keywords
water
outer rotor
retaining ring
baffle
water baffle
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Ceased
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PCT/CN2017/099655
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English (en)
French (fr)
Inventor
何锦豪
王雄程
朱金成
付桂文
吴伟豪
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Zhongshan Broad Ocean Motor Co Ltd
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Zhongshan Broad Ocean Motor Co Ltd
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Application filed by Zhongshan Broad Ocean Motor Co Ltd filed Critical Zhongshan Broad Ocean Motor Co Ltd
Publication of WO2018166144A1 publication Critical patent/WO2018166144A1/zh
Anticipated expiration legal-status Critical
Ceased legal-status Critical Current

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    • 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
    • H02K5/10—Casings or enclosures characterised by the shape, form or construction thereof with arrangements for protection from ingress, e.g. water or fingers
    • Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
    • Y02A—TECHNOLOGIES FOR ADAPTATION TO CLIMATE CHANGE
    • Y02A30/00—Adapting or protecting infrastructure or their operation
    • Y02A30/14—Extreme weather resilient electric power supply systems, e.g. strengthening power lines or underground power cables

Definitions

  • the utility model relates to a waterproof structure of an outer rotor motor.
  • the existing outer rotor motor includes a rotating shaft, a stator assembly, an outer rotor and a base.
  • the stator assembly is mounted on the base, and the outer rotor is fitted on the stator assembly. Because there is a gap between the outer rotor and the base, rainwater may enter the stator assembly. Inside, the internal damage of the motor is caused, so that the motor cannot operate normally.
  • the purpose of the utility model is to provide a waterproof structure of an outer rotor motor, which solves the problem that there is a gap between the base and the outer rotor in the prior art, and rainwater can enter the stator assembly through the gap, so that the internal damage of the motor cannot be operated normally. problem.
  • the outer rotor motor waterproof structure comprises a rotating shaft, a stator assembly, an outer rotor and a base, and the stator assembly is connected with the base, and a sleeve seat is installed in the central hole of the stator assembly, and the sleeve is provided with a bearing chamber and a bearing
  • the bearing is installed in the chamber, the rotating shaft is supported on the bearing and is connected with the outer rotor.
  • the outer rotor is sleeved on the outer part of the stator assembly, and the outer rotor has an annular avoidance groove on the end surface thereof, and an annular recess is arranged on the base below the avoidance groove.
  • the groove and the annular groove are provided with a water retaining ring, and the inner side of the water retaining ring lifts the inner water retaining plate, and the top of the inner water baffle protrudes into the annular avoiding groove.
  • stator assembly and the sleeve seat described above are integrally connected by a molding body, and the bottom of the molding body forms a base.
  • the water retaining ring described above comprises an inner baffle, an outer baffle and a bottom plate connecting the inner baffle and the outer baffle, and a storage is formed between the inner baffle, the outer baffle and the bottom plate.
  • the sink, the inner flap is higher than the outer flap.
  • the outer water retaining plate of the water retaining ring is in close contact with the outer side wall of the annular groove, and the inner water retaining plate of the water retaining ring is closely attached to the inner side wall of the annular groove. Hold the water retaining ring in the annular groove.
  • the inner flap described above is inclined outwardly.
  • the outer flange of the base described above is provided with a water outlet, and the height of the bottom of the water outlet is lower than the height of the outer flap or equal to the height of the outer flap.
  • the radial cross section of the inner baffle plate and the annular escaping groove is sawtooth.
  • the outer flange of the base described above is provided with a plurality of mounting feet, and the mounting legs are provided with mounting holes.
  • the utility model comprises a rotating shaft, a stator assembly, an outer rotor and a base.
  • the stator assembly is connected with the base, and a sleeve seat is installed in the central hole of the stator assembly, the sleeve is provided with a bearing chamber, and the bearing chamber is installed.
  • There is a bearing the rotating shaft is supported on the bearing and is connected with the outer rotor, and the outer rotor is set outside the stator assembly.
  • the outer rotor is provided with an annular avoiding groove on the end surface of the outer rotor, and a ring is arranged on the base below the avoiding groove.
  • the groove and the annular groove are provided with a water retaining ring, and the inner side of the water retaining ring lifts the inner water retaining plate, and the top of the inner water baffle extends into the annular avoiding groove, which can effectively prevent external water from entering and protect the normal operation of the motor. .
  • the water retaining ring comprises an inner baffle, an outer baffle and a bottom plate connecting the inner baffle and the outer baffle, and a water storage tank is formed between the inner baffle, the outer baffle and the bottom plate.
  • the inner baffle is higher than the outer baffle, and the inner baffle is inclined outwardly.
  • the outer flange of the base is provided with a water outlet, the height of the bottom of the water outlet is lower than the height of the outer water flap or the height of the outer water flap, the water retaining plate is higher than the outer water retaining plate, and the inner water retaining water
  • the board is inclined outward and curved.
  • Figure 1 is a perspective view of the water retaining ring of the present invention
  • Figure 2 is a cross-sectional view of the water retaining ring of the present invention.
  • Figure 3 is a partial enlarged view of A in Figure 2;
  • Figure 4 is a perspective view of the molded stator and the water retaining ring of the present invention.
  • Figure 5 is an exploded perspective view of the molded stator and the water retaining ring of the present invention.
  • Figure 6 is a perspective view of the outer rotor motor of the present invention.
  • Figure 7 is a front elevational view of the outer rotor motor of the present invention.
  • Figure 8 is a cross-sectional view taken along line B-B of Figure 7;
  • Figure 9 is a partial enlarged view of C in Figure 8.
  • Embodiment 1 As shown in FIG. 1 to FIG. 9 , the embodiment is a waterproof structure of an outer rotor motor, comprising a rotating shaft 1, a stator assembly 2, an outer rotor 3 and a base 4.
  • the stator assembly 2 is mounted and connected with the base 1.
  • a sleeve seat 5 is mounted in the center hole 21 of the stator assembly 2.
  • the sleeve seat 5 is provided with a bearing chamber 51.
  • the bearing chamber 51 is provided with a bearing 52.
  • the shaft 1 is supported on the bearing 52 and is connected to the outer rotor 3.
  • the outer rotor 3 is sleeved on the outer surface of the stator assembly 2, and the outer rotor 3 is provided with an annular cutout 31 on the end surface of the outer rotor 3.
  • the annular groove 41 is disposed on the base 4 below the cutout 31, and the annular groove 41 is installed with water blocking.
  • the inner side of the water retaining ring 6 lifts the inner water retaining plate 61, and the top of the inner water retaining plate 61 projects into the inner space avoiding groove 31.
  • the stator assembly 2 and the sleeve seat 5 are integrally connected by a molding body, and the bottom of the molding body forms a base 4.
  • the water retaining ring 6 includes an inner baffle 61, an outer baffle 62, and a bottom plate 63 connecting the inner baffle 61 and the outer baffle 62 together, an inner baffle 61, an outer baffle 62, and A water storage tank 64 is formed between the bottom plates 63, and the inner water deflecting plate 61 is higher than the outer water retaining plate 62.
  • the inner flap 61 is bent obliquely outward.
  • the outer flange 42 of the base 4 is provided with a water outlet 421, and the bottom height of the water outlet 421 is lower than the height of the outer water deflector 62 or equal to the height of the outer water deflector 62.
  • the inner baffle 61 projects into the annular escaping groove 31 of the outer rotor 3, the inner water baffle 61 and the annular sluice groove 31 have a zigzag cross section.
  • a plurality of mounting legs 7 are disposed outside the outer flange 42 of the base 4, and mounting holes 71 are provided on the mounting legs 7.
  • the utility model is provided with an annular avoidance groove 31 on the end surface of the outer rotor 3, and an annular groove 41 is arranged on the base 4 directly under the avoidance groove 31, and the annular groove 41 is equipped with a water retaining ring 6 and a water retaining ring
  • the inner side of the 6 is lifted up by the inner flap 61, and the top of the inner flap 61 extends into the annular cutout 31 to effectively block the outside water from entering the stator, the inner flap 61, the outer flap 62 and the bottom plate
  • a water storage tank 64 is formed between the 63, the inner water retaining plate 61 is higher than the outer water retaining plate 62, and the outer flange 42 of the base 4 is provided with a water outlet 421, and the water outlet 421 has a lower height than the outer water retaining plate 62.
  • the height is equal to the height of the outer baffle 62.

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

Abstract

一种外转子电机防水结构，包括转轴（1）、定子组件（2）、外转子（3）和底座（4），定子组件（2）与底座（4）安装连接起来，在定子组件（2）的中心孔（21）内安装有套筒座（5），套筒座（5）里设有轴承室（51），轴承室（51）里安装有轴承（52），转轴（1）支撑在轴承（52）上面并与外转子（3）安装连接起来，外转子（3）套装在定子组件（2）外面，外转子（3）的端面上设置有环形避空槽（31），在避空槽（31）的下方的底座（4）上设置环形凹槽（41），环形凹槽（41）安装有挡水圈（6），挡水圈（6）的内侧翘起内挡水板（61），内挡水板（61）的顶部伸进环形避空槽（31）里面，挡水圈（6）包括内挡水板（61）、外挡水板（62）和将内挡水板（61）、外挡水板（62）连接在一起的底板（63），内挡水板（61）、外挡水板（62）和底板（63）之间形成一储水槽（64），内挡水板（61）比外挡水板（62）高，内挡水板（61）倾斜向外弯曲，当雨水进入到挡水圈（6）里时，内挡水板（61）可以防止雨水进入电机内部，保护电机，延长电机寿命，结构简单，装配方便。

Description

一种外转子电机防水结构 技术领域：
本实用新型涉及一种外转子电机防水结构。
背景技术：
现有的外转子电机包括转轴、定子组件、外转子和底座，定子组件安装在底座上，外转子套装在定子组件上，因为外转子与底座之间存在缝隙，有可能导致雨水进入到定子组件内，导致电机内部的破坏，使电机不能正常运作。
发明内容：
本实用新型的目的是提供一种外转子电机防水结构，解决现有技术中底座与外转子之间存在缝隙，雨水可以通过该缝隙进入到定子组件内，导致电机内部的破坏不能正常运作的技术问题。
本实用新型的目的是通过下述技术方案予以实现的。
一种外转子电机防水结构，包括转轴、定子组件、外转子和底座，定子组件与底座安装连接起来，在定子组件的中心孔内安装有套筒座，套筒做里设有轴承室，轴承室里安装有轴承，转轴支撑在轴承上面并与外转子安装连接起来，外转子套装在定子组件外面，外转子的端面上设置有环形避空槽，在避空槽下方的底座上设置环形凹槽，环形凹槽安装有挡水圈，挡水圈的内侧翘起内挡水板，内挡水板的顶部伸进环形避空槽里面。
上述所述的所述定子组件与套筒座是被塑封体连接成一体，塑封体的底部形成底座。
上述所述的挡水圈包括内挡水板、外挡水板和将内挡水板、外挡水板连接在一起的底板，内挡水板、外挡水板和底板之间形成一储水槽，内挡水板比外挡水板高。
上述所述的挡水圈安装在环形凹槽时，挡水圈的外挡水板与环形凹槽的外侧壁紧贴着，挡水圈的内挡水板与环形凹槽的内侧壁紧贴着，使挡水圈卡紧在环形凹槽里。
上述所述的内挡水板倾斜向外弯曲。
上述所述的底座的外凸缘上设有出水口，所述出水口的底部的高度低于外挡水板高度或者与外挡水板高度相等。
上述所述的内挡水板伸入到外转子的环形避空槽时，所述内挡水板与环形避空槽配合后的径向剖面呈锯齿状。
上述所述的底座的外凸缘外设有若干个安装脚，安装脚上设有安装孔。
本实用新型与现有技术相比，具有如下效果：
1)本实用新型包括转轴、定子组件、外转子和底座，定子组件与底座安装连接起来，在定子组件的中心孔内安装有套筒座，套筒做里设有轴承室，轴承室里安装有轴承，转轴支撑在轴承上面并与外转子安装连接起来，外转子套装在定子组件外面，其特征在于：外转子的端面上设置有环形避空槽，在避空槽下方的底座上设置环形凹槽，环形凹槽安装有挡水圈，挡水圈的内侧翘起内挡水板，内挡水板的顶部伸进环形避空槽里面，可以有效防止外部的水进入，保护电机正常运行。
2)挡水圈包括内挡水板、外挡水板和将内挡水板、外挡水板连接在一起的底板，内挡水板、外挡水板和底板之间形成一储水槽，内挡水板比外挡水板高，内挡水板倾斜向外弯曲，当雨水进入到挡水圈里时，内挡水圈可以防止雨水进入电机内部，保护电机，延长电机寿命，结构简单，装配方便。
3)底座的外凸缘上设有出水口，所述出水口的底部的高度低于外挡水板高度或者与外挡水板高度相等，挡水板比外挡水板高，内挡水板倾斜向外弯曲，当雨水进入到挡水圈时，雨水经过内挡水板时会往外挡水板回流，使雨水从出水口中排出，防止雨水进入电机内部效果好，结构简单。
附图说明：
图1是本实用新型挡水圈的立体图；
图2是本实用新型挡水圈的剖视图；
图3是图2中A的局部放大图；
图4是本实用新型塑封定子与挡水圈的立体图；
图5是本实用新型塑封定子与挡水圈的立体分解图；
图6是本实用新型的外转子电机的立体图；
图7是本实用新型的外转子电机的正视图；
图8是图7中B-B的剖视图；
图9是图8中C的局部放大图。
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9所示，本实施例是一种外转子电机防水结构，包括转轴1、定子组件2、外转子3和底座4，定子组件2与底座1安装连接起来，在定子组件2的中心孔21内安装有套筒座5，套筒座5里设有轴承室51，轴承室51里安装有轴承52，转轴1支撑在轴承52上面并与外转子3安装连接起来，外转子3套装在定子组件2外面，外转子3的端面上设置有环形避空槽31，在避空槽31下方的底座4上设置环形凹槽41，环形凹槽41安装有挡水圈6，挡水圈6的内侧翘起内挡水板61，内挡水板61的顶部伸进环形避空槽31里面。
所述的所述定子组件2与套筒座5是被塑封体连接成一体，塑封体的底部形成底座4。
所述挡水圈6包括内挡水板61、外挡水板62和将内挡水板61、外挡水板62连接在一起的底板63，内挡水板61、外挡水板62和底板63之间形成一储水槽64，内挡水板61比外挡水板62高。
所述挡水圈6安装在环形凹槽41时，挡水圈6的外挡水板62与环形凹槽41的外侧壁411紧贴着，挡水圈6的内挡水板61与环形凹槽41的内侧壁412紧贴着，使挡水圈6卡紧在环形凹槽41里。
内挡水板61倾斜向外弯曲。
所述底座4的外凸缘42上设有出水口421，所述出水口421的底部高度低于外挡水板62高度或者与外挡水板62高度相等。
所述内挡水板61伸入到外转子3的环形避空槽31时，所述内挡水板61与环形避空槽31配合后的径向剖面呈锯齿状。
所述底座4的外凸缘42外设有若干个安装脚7，安装脚7上设有安装孔71。
本实用新型：外转子3的端面上设置有环形避空槽31，在避空槽31的正下的底座4上设置环形凹槽41，环形凹槽41安装有挡水圈6，挡水圈6的内侧翘起内挡水板61，内挡水板61的顶部伸进环形避空槽31里面，有效阻挡外部的水进入到定子里面，内挡水板61、外挡水板62和底板63之间形成一储水槽64，内挡水板61比外挡水板62高，底座4的外凸缘42上设有出水口421，所述出水口421的高度低于外挡水板62高度或者与外挡水板62高度相等，当雨水进入到挡水圈6时，雨水经过内挡水板61时会往外挡水板62回流，使雨水从出水口中排出，防止雨水进入电机内部效果好，结构简单。
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 (8)

  1. 一种外转子电机防水结构，包括转轴(1)、定子组件(2)、外转子(3)和底座(4)，定子组件(2)与底座(1)安装连接起来，在定子组件(2)的中心孔(21)内安装有套筒座(5)，套筒座(5)里设有轴承室(51)，轴承室(51)里安装有轴承(52)，转轴(1)支撑在轴承(52)上面并与外转子(3)安装连接起来，外转子(3)套装在定子组件(2)外面，其特征在于：外转子(3)的端面上设置有环形避空槽(31)，在避空槽(31)下方的底座(4)上设置环形凹槽(41)，环形凹槽(41)安装有挡水圈(6)，挡水圈(6)的内侧翘起内挡水板(61)，内挡水板(61)的顶部伸进环形避空槽(31)里面。
  2. 根据权利要求1所述的一种外转子电机防水结构，其特征在于：所述定子组件(2)与套筒座(5)是被塑封体连接成一体，塑封体的底部形成底座(4)。
  3. 根据权利要求1或2所述的一种外转子电机防水结构，其特征在于：所述挡水圈(6)包括内挡水板(61)、外挡水板(62)和将内挡水板(61)、外挡水板(62)连接在一起的底板(63)，内挡水板(61)、外挡水板(62)和底板(63)之间形成一储水槽(64)，内挡水板(61)比外挡水板(62)高。
  4. 根据权利要求3所述的一种外转子电机防水结构，其特征在于：所述环形凹槽还包括外侧壁和内侧壁，挡水圈(6)的外挡水板(62)与环形凹槽(41)的外侧壁(411)紧贴，挡水圈(6)的内挡水板(61)与环形凹槽(41)的内侧壁(412)紧贴,使挡水圈(6)卡紧在环形凹槽(41)里。
  5. 根据权利要求3所述的一种外转子电机防水结构，其特征在于：内挡水板(61)倾斜向外弯曲。
  6. 根据权利要求3所述的一种外转子电机防水结构，其特征在于：所述底座(4)的外凸缘(42)上设有出水口(421)，所述出水口(421)的底部高度低于外挡水板(62)的高度或者与外挡水板(62)的高度相等。
  7. 根据权利要求1或2所述的一种外转子电机防水结构，其特征在于：所述内挡水板(61)与环形避空槽(31)配合后的径向剖面呈锯齿状。
  8. 根据权利要求6所述的一种外转子电机防水结构，其特征在于：所述底座(4)的外凸缘(42)外设有若干个安装脚(7)，安装脚(7)上设有安装孔(71)。
PCT/CN2017/099655 2017-03-16 2017-08-30 一种外转子电机防水结构 Ceased WO2018166144A1 (zh)

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CN201720257620.2U CN206759210U (zh) 2017-03-16 2017-03-16 一种外转子电机防水结构

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