WO2020143122A1 - 一种密封型外转子电机结构 - Google Patents

一种密封型外转子电机结构 Download PDF

Info

Publication number
WO2020143122A1
WO2020143122A1 PCT/CN2019/080440 CN2019080440W WO2020143122A1 WO 2020143122 A1 WO2020143122 A1 WO 2020143122A1 CN 2019080440 W CN2019080440 W CN 2019080440W WO 2020143122 A1 WO2020143122 A1 WO 2020143122A1
Authority
WO
WIPO (PCT)
Prior art keywords
oil seal
type
shell
rotor
concentric shaft
Prior art date
Application number
PCT/CN2019/080440
Other languages
English (en)
French (fr)
Inventor
王晛
丁宁宁
Original Assignee
苏州优德通力科技有限公司
Priority date (The priority date 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 date listed.)
Filing date
Publication date
Application filed by 苏州优德通力科技有限公司 filed Critical 苏州优德通力科技有限公司
Priority to US16/626,518 priority Critical patent/US11075563B2/en
Publication of WO2020143122A1 publication Critical patent/WO2020143122A1/zh

Links

Images

Classifications

    • 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
    • H—ELECTRICITY
    • H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
    • H02K—DYNAMO-ELECTRIC MACHINES
    • H02K21/00—Synchronous motors having permanent magnets; Synchronous generators having permanent magnets
    • H02K21/12—Synchronous motors having permanent magnets; Synchronous generators having permanent magnets with stationary armatures and rotating magnets
    • H02K21/22—Synchronous motors having permanent magnets; Synchronous generators having permanent magnets with stationary armatures and rotating magnets with magnets rotating around the armatures, e.g. flywheel magnetos
    • 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
    • H02K5/16—Means for supporting bearings, e.g. insulating supports or means for fitting bearings in the bearing-shields
    • H02K5/161—Means for supporting bearings, e.g. insulating supports or means for fitting bearings in the bearing-shields radially supporting the rotary shaft at both ends of the rotor
    • 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
    • H02K5/16—Means for supporting bearings, e.g. insulating supports or means for fitting bearings in the bearing-shields
    • H02K5/163—Means for supporting bearings, e.g. insulating supports or means for fitting bearings in the bearing-shields radially supporting the rotary shaft at only one end of the rotor
    • H—ELECTRICITY
    • H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
    • H02K—DYNAMO-ELECTRIC MACHINES
    • H02K7/00—Arrangements for handling mechanical energy structurally associated with dynamo-electric machines, e.g. structural association with mechanical driving motors or auxiliary dynamo-electric machines
    • H02K7/04—Balancing means
    • H—ELECTRICITY
    • H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
    • H02K—DYNAMO-ELECTRIC MACHINES
    • H02K7/00—Arrangements for handling mechanical energy structurally associated with dynamo-electric machines, e.g. structural association with mechanical driving motors or auxiliary dynamo-electric machines
    • H02K7/08—Structural association with bearings
    • H02K7/085—Structural association with bearings radially supporting the rotary shaft at only one end of the rotor

Definitions

  • the invention relates to the technical field of motors, in particular to a structure of a sealed outer rotor motor.
  • External rotor motors are widely used in deep-sea submersible thrusters, aircraft models and household motors.
  • the structure of the outer rotor motor is usually fixed by the internal stator, and the rotor shell outside the stator is used for rotation, which brings many difficulties to the sealing of the motor.
  • External rotor motors are mostly used in dry environments, and usually do not consider the seal design, but in special occasions, such as deep sea, sewage treatment, jam manufacturing and other manufacturing industries must consider the seal, the market's usual seal is only the use of anti-rust bearings and plastic stator In the form, the stator plastic packaging is only to prevent the stator from entering the water short circuit.
  • the rust-proof bearings need to use extremely expensive ceramic bearings, which need to be cleaned in time after each use. This is not only expensive, but also time-consuming and maintenance-intensive. Once the rust-proof bearings are left Objects (such as impurities in sewage and crystalline salt of seawater), the motor will be stuck and fail, causing the motor to malfunction.
  • the main technical problem solved by the present invention is to provide a sealed outer rotor motor structure to improve the sealing effect and reduce the failure rate of working in sewage and seawater.
  • a technical solution adopted by the present invention is to provide a sealed outer rotor motor structure, including: a shell-type rotor, a self-aligning bearing housing, an oil seal, a concentric shaft, a stator, and magnetic steel.
  • a magnetic steel chamber is provided on the inner wall of the shell-type rotor, the magnetic steel is provided in the magnetic steel chamber, the self-aligning bearing housing is provided in the shell rotor, and the self-aligning bearing housing is provided with a housing
  • the through-type bearing chamber of the concentric rotor is open, the front end of the through-type bearing chamber is open, the tail end is provided with a motor fixing boss extending to the outside of the opening of the tail end of the shell type rotor for blocking, and the front end surface of the shell type rotor is provided
  • There is a concentric shaft fixing hole the concentric shaft is provided in the through-type bearing chamber and the front end extends into the concentric shaft fixing hole, a stator mounting shaft surface is provided outside the self-aligning bearing housing, and the stator is provided on the stator mounting On the shaft surface, the concentric shaft is provided with a bearing located in the through-type bearing chamber, the end of the inner hole of the shell rotor is provided with a sealing shaft surface corresponding
  • the casing rotor is a hollow thin-walled casing.
  • the front end of the concentric shaft is provided with a balance support frame located outside the shell-type rotor.
  • a stator positioning step for limiting the stator is provided on the stator mounting shaft surface.
  • the concentric shaft is provided with a sealing ring groove located in the fixing hole of the concentric shaft, and the sealing ring groove is provided with a sealing ring.
  • the concentric shaft is provided with a shaft retaining ring on the side of the bearing.
  • the through-type bearing chamber is provided with a bearing positioning step that limits the bearing.
  • the oil seal is a multi-lip outer lip type skeleton oil seal or a multi-lip inner lip type skeleton oil seal
  • the multi-lip outer lip type skeleton oil seal is provided with one or more sealing lips
  • the seal lips are sealed against the sealing shaft surface by the tension support of the external support spring.
  • the inner lip-type skeleton oil seal with multiple lips uses the elastic contraction force of the spring snap ring to make the lips seal against the shaft surface of the oil seal for sealing.
  • a seal positioning step for limiting the oil seal is provided on the shaft surface of the oil seal installation.
  • annular groove is provided between the oil seal mounting shaft surface and the motor fixing boss, a motor outlet hole is provided in the annular groove, and a motor outlet hole is provided in the annular groove Carry out waterproof sealant layer.
  • the concentric shaft and the concentric shaft fixing hole are fixed and sealed by riveting or using a sealant provided in the concentric shaft fixing hole.
  • the beneficial effects of the present invention are: a sealed outer rotor motor structure pointed out by the present invention, in particular using a shell-type rotor, the hollow thin-walled shell has a light weight, which is beneficial to eliminate the large centrifugal force generated during high-speed rotation Vibration, reduce the problem of seal failure caused by vibration, the penetrating bearing chamber has a good effect of limiting the bearing, reduce the amount of shaft surface runout of the concentric shaft, and the sealing connection structure of the fixed hole of the concentric shaft and the concentric shaft ensures the sealing effect At the same time, it is conducive to use the concentric shaft to improve the rotation stability of the shell rotor. In addition, the effect of the multi-lip outer lip skeleton oil seal improves the sealing effect during the rotation of the shell rotor. There are no exposed bearings, and maintenance is convenient , To improve the stability of working in sewage and seawater.
  • FIG. 1 is a schematic structural view of a preferred embodiment of a sealed external rotor motor structure of the present invention
  • FIG. 2 is a partial structural schematic view of a multi-lip inner lip-type skeleton oil seal for sealing.
  • an embodiment of the present invention includes:
  • a sealed outer rotor motor structure includes: a shell-type rotor 1, a self-aligning bearing housing 2, an oil seal 17, a concentric shaft 6, a stator 21, and a magnetic steel 19, and the inner wall of the shell-type rotor 1 is provided with a magnetic steel Chamber 20, the magnetic steel 19 is arranged in the magnetic steel chamber 20, and rotates with the shell-type rotor 1, the shell-type rotor 1 is a hollow thin-walled shell with light weight, which is beneficial to eliminate the large The vibration caused by the centrifugal force reduces the problem of seal failure caused by the vibration.
  • the self-aligning bearing housing 2 is provided in the housing-type rotor 1, the self-aligning bearing housing 2 is provided with a through-type bearing chamber 8 concentric with the housing-type rotor 1, and the front end of the through-type bearing chamber 8 Open, the tail end is provided with a motor fixing boss 14 extending to the outside of the tail end opening of the shell rotor 1 for blocking, the front end surface of the shell rotor 1 is provided with a concentric shaft fixing hole 22, and the concentric shaft 6 is provided In the through-type bearing chamber 8 and the front end extends into the concentric shaft fixing hole 22, the concentric shaft 6 and the concentric shaft fixing hole 22 are fixed and sealed by riveting or using a sealant provided in the concentric shaft fixing hole 22 Effect, installation and disassembly maintenance are more convenient.
  • the concentric shaft 6 is provided with a sealing ring groove 23 in the concentric shaft fixing hole 22, and the sealing ring groove 23 is provided with a sealing ring 3 to ensure the sealing performance.
  • a stator mounting shaft surface 7 is provided on the outer side of the self-aligning bearing housing 2, the stator 21 is disposed on the stator mounting shaft surface 7, and a stator positioning for limiting the stator 21 is provided on the stator mounting shaft surface 7
  • the step 9 facilitates installation and positioning of the stator 21.
  • the concentric shaft 6 is provided with a bearing 12 located in a through-type bearing chamber 8, and the through-type bearing chamber 8 is provided with a bearing positioning step 13 for limiting the bearing 12, and the concentric shaft 6 is provided with a
  • the shaft retaining ring 5 on the side of the bearing limits the axial direction of the bearing, and reduces the runout of the bearing and the concentric shaft 6 through the through-type bearing chamber 8, thereby reducing the runout of the casing rotor 1 under high number of rotations Volume and high running stability.
  • a sealing shaft surface 18 corresponding to the outer side of the oil seal 17 is provided at the tail end of the inner hole of the casing rotor 1, and an oil seal mounting shaft surface 16 corresponding to the mounting hole in the oil seal 17 is provided on the self-aligning bearing housing 2 ,
  • the oil seal 17 is provided on the oil seal mounting shaft surface 16 of the self-aligning bearing housing 2 to realize the sealing of the trailing end of the shell-type rotor 1, and the oil seal mounting shaft surface 16 is provided with a seal for limiting the oil seal 17
  • Positioning the step 10 to limit the oil seal 17, the oil seal 17 is a multi-lip outer lip type skeleton oil seal or a multi-lip inner lip type skeleton oil seal, as shown in FIG. 1, the multi-lip outer lip type skeleton oil seal is provided There are one or more sealing lips, which are supported by the tension of the external support spring to seal against the sealing shaft surface for sealing.
  • the multi-lip inner lip-type skeleton oil seal is sealed by the elastic contraction force of the spring snap ring so that the lip is pressed against the installation surface of the oil seal, which has a good sealing effect, avoids the problem of bare bearings, and has a maintenance-free effect.
  • the front end of the concentric shaft 6 is provided with a balance support frame 4 on the outside of the shell-type rotor 1, which is conducive to connecting and supporting with the external rotation support structure, reducing the shaking of the concentric shaft 6, and improving the rotation stability of the shell-type rotor 1.
  • An annular groove is provided between the oil seal mounting shaft surface 16 and the motor fixing boss 14, and a motor outlet hole 15 is provided in the annular groove to facilitate installation of the motor circuit, and a motor outlet hole 15 is provided in the annular groove
  • the waterproof sealing layer 11 enhances the waterproof effect of the circuit.
  • the sealed outer rotor motor structure pointed out by the present invention is sealed from the source of the motor, and adopts a pressure-resistant multi-lip seal design to directly cut off the import and export of debris, avoiding the shortcomings of motor jamming. There is no need to clean up after use, which reduces the maintenance frequency and cost.

Landscapes

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

Abstract

本发明公开了一种密封型外转子电机结构，包括：壳体式转子、自调心型轴承座、油封、同心轴、定子和磁钢，所述自调心型轴承座设置在壳体式转子中，所述自调心型轴承座中设置有与壳体式转子同心的贯通型轴承室，所述贯通型轴承室前端敞口，所述壳体式转子前端面上设置有同心轴固定孔，所述同心轴设置在贯通型轴承室中且前端延伸至同心轴固定孔中，所述同心轴上设置有位于同心轴固定孔中的密封圈槽，所述同心轴上设置有位于贯通型轴承室内的轴承，所述油封设置在自调心型轴承座上实现对壳体式转子的尾端密封。通过上述方式，本发明所述的密封型外转子电机结构，壳体式转子的旋转稳定性高，提升了壳体式转子旋转过程中的密封效果。

Description

一种密封型外转子电机结构 技术领域
本发明涉及电机技术领域，特别是涉及一种密封型外转子电机结构。
背景技术
外转子电机在深海潜水推进器、航模型以及家用电机领域应用广泛。外转子电机的结构通常都是内部的定子固定，利用定子外部的转子外壳进行旋转，这给电机的密封带来很多困难。
外转子电机多数用于干燥环境，通常不考虑密封设计，但是在特殊场合，比如深海、污水处理、果酱制造等制造业必须考虑密封，市场通常的密封仅是采用防锈轴承以及将定子塑封的形式，定子塑封仅仅是防止定子进水短路，防锈轴承需用造价极高的陶瓷轴承，每次使用后需要及时清理，这样不仅造价高昂，且维护费时费力，一旦防锈轴承内遗有残留物(比如污水中的杂质以及海水的结晶盐)，电机就会卡死失效，造成电机故障。
发明内容
本发明主要解决的技术问题是提供一种密封型外转子电机结构，提升密封效果，减少在污水以及海水中工作的故障率。
为解决上述技术问题，本发明采用的一个技术方案是：提供一种密封型外转子电机结构，包括：壳体式转子、自调心型轴承座、油封、同心轴、定子和磁钢，所述壳体式转子内壁上设置有磁钢室，所述磁钢设置在磁钢室中，所述自调心型轴承座设置在壳体式转子中，所述自调心型轴承座中设置有与壳体式转子同心的贯通型轴承室，所述贯通型轴承室前端敞口，尾端设置有延伸至壳体式转子尾端开口外侧的电机固定凸台进行封堵，所述壳体式转子前端面上设 置有同心轴固定孔，所述同心轴设置在贯通型轴承室中且前端延伸至同心轴固定孔中，所述自调心型轴承座外侧设置有定子安装轴面，所述定子设置在定子安装轴面上，所述同心轴上设置有位于贯通型轴承室内的轴承，所述壳体式转子的内孔尾端设置有与油封外侧对应的密封轴面，所述自调心型轴承座上设置有与油封内的安装孔对应的油封安装轴面，所述油封设置在自调心型轴承座上实现对壳体式转子的尾端密封。
在本发明一个较佳实施例中，所述壳体式转子为空心薄壁壳体。
在本发明一个较佳实施例中，所述同心轴前端设置有位于壳体式转子外侧的平衡支撑架。
在本发明一个较佳实施例中，所述定子安装轴面上设置有对定子进行限位的定子定位台阶。
在本发明一个较佳实施例中，所述同心轴上设置有位于同心轴固定孔中的密封圈槽，所述密封圈槽中设置有密封圈。
在本发明一个较佳实施例中，所述同心轴上设置有位于轴承侧面的轴用挡圈。
在本发明一个较佳实施例中，所述贯通型轴承室内设置有对轴承进行限位的轴承定位台阶。
在本发明一个较佳实施例中，所述油封为多唇口外唇口式骨架油封或者多唇口内唇口式骨架油封，多唇口外唇口式骨架油封上设有一个或多个密封唇口，通过外撑型弹簧的张力支撑密封唇口贴紧密封轴面进行密封，多唇口内唇口式骨架油封通过弹簧卡环的弹性收缩力使得唇口贴紧油封安装轴面进行密封。
在本发明一个较佳实施例中，所述油封安装轴面上设置有对油封进行限位 的密封定位台阶。
在本发明一个较佳实施例中，所述油封安装轴面与电机固定凸台之间设置有环形槽，所述环形槽中设置有电机出线孔，所述环形槽中设置有对电机出线孔进行防水的胶封层。
在本发明一个较佳实施例中，所述同心轴与同心轴固定孔通过铆接密封或者利用设置在同心轴固定孔中的密封胶实现固定且密封的效果。
本发明的有益效果是：本发明指出的一种密封型外转子电机结构，特别采用了壳体式转子，空心薄壁壳体的自重轻，有利于消除高速旋转过程中因较大的离心力而产生的震动，减少因震动产生的密封失效问题，贯通性轴承室对轴承的限位效果好，减小同心轴的轴面跳动量，同心轴与同心轴固定孔的密封连接结构，在确保密封效果的同时，有利于利用同心轴提升壳体式转子的旋转稳定性，再加上多唇口外唇口式骨架油封的作用，提升了壳体式转子旋转过程中的密封效果，没有裸露的轴承，维护便利，提升了在污水以及海水中工作的稳定性。
附图说明
为了更清楚地说明本发明实施例中的技术方案，下面将对实施例描述中所需要使用的附图作简单地介绍，显而易见地，下面描述中的附图仅仅是本发明的一些实施例，对于本领域普通技术人员来讲，在不付出创造性劳动的前提下，还可以根据这些附图获得其它的附图，其中：
图1是本发明一种密封型外转子电机结构一较佳实施例的结构示意图；
图2是采用多唇口内唇口式骨架油封进行密封的局部结构示意图。
具体实施方式
下面将对本发明实施例中的技术方案进行清楚、完整地描述，显然，所描述的实施例仅是本发明的一部分实施例，而不是全部的实施例。基于本发明中的实施例，本领域普通技术人员在没有做出创造性劳动前提下所获得的所有其它实施例，都属于本发明保护的范围。
请参阅图1～图2，本发明实施例包括：
一种密封型外转子电机结构，包括：壳体式转子1、自调心型轴承座2、油封17、同心轴6、定子21和磁钢19，所述壳体式转子1内壁上设置有磁钢室20，所述磁钢19设置在磁钢室20中，随壳体式转子1进行旋转，所述壳体式转子1为空心薄壁壳体，自重轻，有利于消除高速旋转过程中因较大的离心力而产生的震动，减少因震动产生的密封失效问题。
所述自调心型轴承座2设置在壳体式转子1中，所述自调心型轴承座2中设置有与壳体式转子1同心的贯通型轴承室8，所述贯通型轴承室8前端敞口，尾端设置有延伸至壳体式转子1尾端开口外侧的电机固定凸台14进行封堵，所述壳体式转子1前端面上设置有同心轴固定孔22，所述同心轴6设置在贯通型轴承室8中且前端延伸至同心轴固定孔22中，所述同心轴6与同心轴固定孔22通过铆接密封或者利用设置在同心轴固定孔22中的密封胶实现固定且密封的效果，安装和拆卸维护比较方便。所述同心轴6上设置有位于同心轴固定孔22中的密封圈槽23，所述密封圈槽23中设置有密封圈3，确保了密封性能。
所述自调心型轴承座2外侧设置有定子安装轴面7，所述定子21设置在定子安装轴面7上，所述定子安装轴面7上设置有对定子21进行限位的定子定位台阶9，便于定子21的安装定位。
所述同心轴6上设置有位于贯通型轴承室8内的轴承12，所述贯通型轴承室8内设置有对轴承12进行限位的轴承定位台阶13，所述同心轴6上设置有位 于轴承侧面的轴用挡圈5，进行轴承的轴向限位，通过贯通型轴承室8减小轴承以及同心轴6的轴面跳动量，从而减小壳体式转子1在高数旋转下的跳动量，运转稳定性高。
所述壳体式转子1的内孔尾端设置有与油封17外侧对应的密封轴面18，所述自调心型轴承座2上设置有与油封17内的安装孔对应的油封安装轴面16，所述油封17设置在自调心型轴承座2的油封安装轴面16上实现对壳体式转子1的尾端密封，所述油封安装轴面16上设置有对油封17进行限位的密封定位台阶10，进行油封17的限位，所述油封17为多唇口外唇口式骨架油封或者多唇口内唇口式骨架油封，如图1所示，多唇口外唇口式骨架油封上设有一个或多个密封唇口，通过外撑型弹簧的张力支撑密封唇口贴紧密封轴面进行密封。
如图2所示，多唇口内唇口式骨架油封通过弹簧卡环的弹性收缩力使得唇口贴紧油封安装轴面进行密封，密封效果好，避免了裸露轴承的问题，具有免维护效果。
所述同心轴6前端设置有位于壳体式转子1外侧的平衡支撑架4，有利于与外部旋转支持结构连接支撑，减少同心轴6晃动，提升壳体式转子1的旋转稳定性。
所述油封安装轴面16与电机固定凸台14之间设置有环形槽，所述环形槽中设置有电机出线孔15，方便电机线路的安装，所述环形槽中设置有对电机出线孔15进行防水的胶封层11，提升线路的防水效果。
综上所述，本发明指出的一种密封型外转子电机结构，从电机源头进行密封，采用耐压的多唇口密封设计，直接切断杂物的进出口，避免了电机卡死的缺点，使用后可以无需清理，降低了维护频率和成本。
以上所述仅为本发明的实施例，并非因此限制本发明的专利范围，凡是利 用本发明说明书内容所作的等效结构或等效流程变换，或直接或间接运用在其它相关的技术领域，均同理包括在本发明的专利保护范围内。

Claims (10)

  1. 一种密封型外转子电机结构，其特征在于，包括：壳体式转子、自调心型轴承座、油封、同心轴、定子和磁钢，所述壳体式转子内壁上设置有磁钢室，所述磁钢设置在磁钢室中，所述自调心型轴承座设置在壳体式转子中，所述自调心型轴承座中设置有与壳体式转子同心的贯通型轴承室，所述贯通型轴承室前端敞口，尾端设置有延伸至壳体式转子尾端开口外侧的电机固定凸台进行封堵，所述壳体式转子前端面上设置有同心轴固定孔，所述同心轴设置在贯通型轴承室中且前端延伸至同心轴固定孔中，所述自调心型轴承座外侧设置有定子安装轴面，所述定子设置在定子安装轴面上，所述同心轴上设置有位于贯通型轴承室内的轴承，所述壳体式转子的内孔尾端设置有与油封外侧对应的密封轴面，所述自调心型轴承座上设置有与油封内的安装孔对应的油封安装轴面，所述油封设置在自调心型轴承座上实现对壳体式转子的尾端密封。
  2. 根据权利要求1所述的密封型外转子电机结构，其特征在于，所述壳体式转子为空心薄壁壳体。
  3. 根据权利要求1所述的密封型外转子电机结构，其特征在于，所述同心轴前端设置有位于壳体式转子外侧的平衡支撑架。
  4. 根据权利要求1所述的密封型外转子电机结构，其特征在于，所述定子安装轴面上设置有对定子进行限位的定子定位台阶。
  5. 根据权利要求1所述的密封型外转子电机结构，其特征在于，所述同心轴上设置有位于轴承侧面的轴用挡圈，所述贯通型轴承室内设置有对轴承进行限位的轴承定位台阶。
  6. 根据权利要求1所述的密封型外转子电机结构，其特征在于，所述油封为多唇口外唇口式骨架油封或者多唇口内唇口式骨架油封，多唇口外唇口式骨 架油封上设有一个或多个密封唇口，通过外撑型弹簧的张力支撑密封唇口贴紧密封轴面进行密封，多唇口内唇口式骨架油封通过弹簧卡环的弹性收缩力使得唇口贴紧油封安装轴面进行密封。
  7. 根据权利要求1所述的密封型外转子电机结构，其特征在于，所述油封安装轴面上设置有对油封进行限位的密封定位台阶。
  8. 根据权利要求1所述的密封型外转子电机结构，其特征在于，所述油封安装轴面与电机固定凸台之间设置有环形槽，所述环形槽中设置有电机出线孔，所述环形槽中设置有对电机出线孔进行防水的胶封层。
  9. 根据权利要求1所述的密封型外转子电机结构，其特征在于，所述同心轴与同心轴固定孔通过铆接密封或者利用设置在同心轴固定孔中的密封胶实现固定且密封的效果。
  10. 根据权利要求1所述的密封型外转子电机结构，其特征在于，所述同心轴上设置有位于同心轴固定孔中的密封圈槽，所述密封圈槽中设置有密封圈。
PCT/CN2019/080440 2019-01-11 2019-03-29 一种密封型外转子电机结构 WO2020143122A1 (zh)

Priority Applications (1)

Application Number Priority Date Filing Date Title
US16/626,518 US11075563B2 (en) 2019-01-11 2019-03-29 Sealed outer rotor motor structure

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
CN201910026655.9A CN109474109B (zh) 2019-01-11 2019-01-11 一种密封型外转子电机结构
CN201910026655.9 2019-01-11

Publications (1)

Publication Number Publication Date
WO2020143122A1 true WO2020143122A1 (zh) 2020-07-16

Family

ID=65678642

Family Applications (1)

Application Number Title Priority Date Filing Date
PCT/CN2019/080440 WO2020143122A1 (zh) 2019-01-11 2019-03-29 一种密封型外转子电机结构

Country Status (3)

Country Link
US (1) US11075563B2 (zh)
CN (1) CN109474109B (zh)
WO (1) WO2020143122A1 (zh)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN114313189A (zh) * 2022-01-04 2022-04-12 武汉船用电力推进装置研究所（中国船舶重工集团公司第七一二研究所） 一种密封轮缘推进器

Families Citing this family (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP3850731A4 (en) * 2018-09-10 2022-05-25 ABB Schweiz AG MOTOR, APPARATUS AND METHOD OF MAKING THE MOTOR
CN109474109B (zh) * 2019-01-11 2024-03-29 苏州优德通力科技有限公司 一种密封型外转子电机结构
JP2022036597A (ja) * 2020-08-24 2022-03-08 日本電産株式会社 モータ、および駆動装置
US20220216763A1 (en) * 2021-01-05 2022-07-07 Fairway Electronic Co., Ltd. Rotating Machine

Citations (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP1052410A3 (de) * 1999-05-10 2001-09-12 WILO GmbH Auf den Rotor aufgestecktes Laufrad
CN101799075A (zh) * 2010-04-12 2010-08-11 北京交通大学 一种旋转轴组合密封装置
CN202395571U (zh) * 2011-12-06 2012-08-22 佛山市南海区东唐电机厂 外转子直流无刷电动机
CN205356067U (zh) * 2016-01-25 2016-06-29 阮送良 水冷电动车轮毂电机
CN109474109A (zh) * 2019-01-11 2019-03-15 苏州优德通力科技有限公司 一种密封型外转子电机结构
CN209233623U (zh) * 2019-01-11 2019-08-09 苏州优德通力科技有限公司 一种密封型外转子电机结构

Family Cites Families (25)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2311805A (en) * 1941-03-24 1943-02-23 Smith Corp A O Closure for submersible pumping units
US4451750A (en) * 1981-02-03 1984-05-29 Elektro-Mechanik Gmbh Protective arrangement for a plug-connected electric motor sealed against pressure, vapors and radiation
JPS59110896A (ja) * 1982-12-15 1984-06-26 Ebara Corp 水中モ−タポンプ
CN1005348B (zh) * 1987-03-23 1989-10-04 核工业部第二研究设计院 屏蔽泵
CN2179919Y (zh) * 1993-10-07 1994-10-19 丹东市油泵厂 内啮合齿轮稠油泵
US5957589A (en) * 1997-12-10 1999-09-28 International Business Machine Corporation Fluid bearing seal and support structure
JP3482373B2 (ja) * 2000-04-28 2003-12-22 ミネベア株式会社 送風機
JP3515511B2 (ja) * 2000-10-30 2004-04-05 三菱電機株式会社 電磁機器
JP2002159158A (ja) * 2000-11-17 2002-05-31 Nidec Copal Corp モータ回転子の支持構造
US7061151B2 (en) * 2001-03-20 2006-06-13 Wen-Shyong Liao Supporting device of rotor
CN201378763Y (zh) * 2009-03-31 2010-01-06 高鸿朴 全封闭外转子电机的底座
US8633623B2 (en) * 2009-08-18 2014-01-21 Xylem IP Holdings LLC. Encapsulated submersible pump
JP6030379B2 (ja) * 2012-08-16 2016-11-24 株式会社荏原製作所 シール構造及びこれを備えた真空ポンプ用モータ並びに真空ポンプ
JP6175993B2 (ja) * 2013-08-30 2017-08-09 株式会社デンソー ブラシレスモータの回転子
WO2015073647A1 (en) * 2013-11-13 2015-05-21 Brooks Automation, Inc. Sealed robot drive
JP5575347B1 (ja) * 2013-11-29 2014-08-20 三菱電機株式会社 軸封装置付き回転電機
EP3102484B1 (en) * 2014-02-06 2019-05-01 Memorial University of Newfoundland A magnetically geared electric drive
JP6492892B2 (ja) * 2015-03-31 2019-04-03 日本電産株式会社 モータ
JP2017028895A (ja) * 2015-07-24 2017-02-02 日本電産株式会社 スピンドルモータおよびディスク駆動装置
JP2017027644A (ja) * 2015-07-24 2017-02-02 日本電産株式会社 スピンドルモータおよびディスク駆動装置
US10447105B2 (en) * 2016-01-05 2019-10-15 Baker Hughes, A Ge Company, Llc Electrical feedthrough for subsea submersible well pump in canister
US10541582B2 (en) * 2016-03-08 2020-01-21 Baker Hughes Incorporated ESP motor with sealed stator windings and stator chamber
US10312770B2 (en) * 2017-02-25 2019-06-04 Applied Motion Products, Inc. Motor with integrated connector enclosure
CN207069753U (zh) * 2017-06-13 2018-03-02 中山大洋电机股份有限公司 一种商用电机的密封结构
JP6725484B2 (ja) * 2017-12-22 2020-07-22 本田技研工業株式会社 車両駆動装置

Patent Citations (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP1052410A3 (de) * 1999-05-10 2001-09-12 WILO GmbH Auf den Rotor aufgestecktes Laufrad
CN101799075A (zh) * 2010-04-12 2010-08-11 北京交通大学 一种旋转轴组合密封装置
CN202395571U (zh) * 2011-12-06 2012-08-22 佛山市南海区东唐电机厂 外转子直流无刷电动机
CN205356067U (zh) * 2016-01-25 2016-06-29 阮送良 水冷电动车轮毂电机
CN109474109A (zh) * 2019-01-11 2019-03-15 苏州优德通力科技有限公司 一种密封型外转子电机结构
CN209233623U (zh) * 2019-01-11 2019-08-09 苏州优德通力科技有限公司 一种密封型外转子电机结构

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN114313189A (zh) * 2022-01-04 2022-04-12 武汉船用电力推进装置研究所（中国船舶重工集团公司第七一二研究所） 一种密封轮缘推进器
CN114313189B (zh) * 2022-01-04 2024-03-01 武汉船用电力推进装置研究所（中国船舶重工集团公司第七一二研究所） 一种密封轮缘推进器

Also Published As

Publication number Publication date
CN109474109A (zh) 2019-03-15
CN109474109B (zh) 2024-03-29
US11075563B2 (en) 2021-07-27
US20200373805A1 (en) 2020-11-26

Similar Documents

Publication Publication Date Title
WO2020143122A1 (zh) 一种密封型外转子电机结构
US4311937A (en) Axial gap electric motors
CN111503008B (zh) 一种水陆两用屏蔽式永磁高速多级泵
CN203809311U (zh) 新型磁力泵
CN205565965U (zh) 一种环式无刷电机及采用该电机的电动泵
WO2023221377A1 (zh) 一种防水泵体
CN116455117A (zh) 一种高效防水电机结构
CN205533276U (zh) 一种无密封管道泵
CN209233623U (zh) 一种密封型外转子电机结构
CN103256230A (zh) 一种电机磁力泵
JP2009156242A (ja) 扁平式マイクロ型ポンプ
WO2020103444A1 (zh) 一种防液态行波旋转超声电机
CN209150863U (zh) 一种水下专用的外转子电机
CN209164110U (zh) 一种多级管道泵
CN208723675U (zh) 一种电机
CN207884420U (zh) 一种适用于全海深的同轴性磁驱动的双轴伸水下电机
CN2070837U (zh) 双水冷整体离心电泵
CN212367000U (zh) 一种全密封型法兰游泳池电机
JP2011035950A (ja) 電動機の防水構造
CN207835288U (zh) 一种中空轴电机
CN214404009U (zh) 降噪型低噪音多级离心泵
CN209761793U (zh) 双向排风风扇
CN220440463U (zh) 一种电机止水装置
CN219659504U (zh) 一种新能源汽车加热器无刷电机
CN207588605U (zh) 一种新型防尘防水抗振动马达以及新型防尘防水抗振动风扇装置

Legal Events

Date Code Title Description
121 Ep: the epo has been informed by wipo that ep was designated in this application

Ref document number: 19908863

Country of ref document: EP

Kind code of ref document: A1

NENP Non-entry into the national phase

Ref country code: DE

122 Ep: pct application non-entry in european phase

Ref document number: 19908863

Country of ref document: EP

Kind code of ref document: A1