WO2019042073A1 - Moteur électrique et ensemble de fixation de logement de palier correspondant - Google Patents

Moteur électrique et ensemble de fixation de logement de palier correspondant Download PDF

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Publication number
WO2019042073A1
WO2019042073A1 PCT/CN2018/098357 CN2018098357W WO2019042073A1 WO 2019042073 A1 WO2019042073 A1 WO 2019042073A1 CN 2018098357 W CN2018098357 W CN 2018098357W WO 2019042073 A1 WO2019042073 A1 WO 2019042073A1
Authority
WO
WIPO (PCT)
Prior art keywords
housing
bearing
bearing housing
mounting
elastic damper
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.)
Ceased
Application number
PCT/CN2018/098357
Other languages
English (en)
Chinese (zh)
Inventor
黄年周
左立平
秦邦耀
袁武
曾淑玲
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Guangdong Welling Motor Manufacturing Co Ltd
Original Assignee
Guangdong Welling Motor Manufacturing Co Ltd
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
Priority claimed from CN201710760762.5A external-priority patent/CN107394943A/zh
Priority claimed from CN201721097418.4U external-priority patent/CN207124518U/zh
Application filed by Guangdong Welling Motor Manufacturing Co Ltd filed Critical Guangdong Welling Motor Manufacturing Co Ltd
Publication of WO2019042073A1 publication Critical patent/WO2019042073A1/fr
Anticipated expiration legal-status Critical
Ceased legal-status Critical Current

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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
    • H02K5/16—Means for supporting bearings, e.g. insulating supports or means for fitting bearings in the bearing-shields
    • H—ELECTRICITY
    • H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
    • H02K—DYNAMO-ELECTRIC MACHINES
    • H02K5/00—Casings; Enclosures; Supports
    • H02K5/24—Casings; Enclosures; Supports specially adapted for suppression or reduction of noise or vibrations

Definitions

  • the present invention relates to the field of motor technology, and in particular to a motor and a bearing housing mounting assembly thereof.
  • the noise level of the air conditioner indoor unit has become one of the most important purchasing criteria for the consumer, and the vibration of the air conditioner indoor unit motor is the main noise source of the air conditioner indoor unit, and the noise of the air conditioner indoor unit motor is the motor.
  • the bearing mounting positions of the two end caps are different due to the different shafts, the bearing mounting position and the inner shaft of the motor stator, and the axial movement of the rotor during the operation of the motor. In the prior art, the above problems are not A good solution.
  • the present invention aims to solve at least one of the technical problems existing in the prior art.
  • the present invention proposes a motor that operates at a lower noise level and its housing mounting assembly.
  • a bearing housing mounting assembly includes: a motor housing, a bearing housing, and a first elastic damper, the bearing housing being located in the motor housing, the bearing housing defining a bearing therein a mounting space, the motor housing and the bearing housing are connected by a fastener, and the first elastic damper member is axially distributed between the bearing housing and the motor housing, and Radially located between the fastener and the bearing block.
  • the bearing seat mounting assembly can reduce the axial vibration of the bearing and the noise generated by the radial runout of the bearing, and on the other hand, the rotor does not axially move relative to the stator and the bearing housing and the bearing housing
  • the first elastic vibration damper has a simple structure, is easy to install, and has low production cost.
  • the bearing housing has a first mounting hole
  • the first elastic vibration damper is sleeved between the fastener and the first mounting hole
  • the first elastic vibration damper A portion is located between the bearing housing and the motor housing.
  • the fastener has a first limiting portion and a second limiting portion
  • the motor housing has a second mounting hole
  • the fastener passes through the second mounting hole and the first An inner hole of the elastic damper member
  • the first rivet portion abuts against an outer end of the motor housing
  • the second rivet portion abuts against an inner end of the first elastic damper member.
  • a rigid pad is further disposed between the inner end of the first elastic vibration damper and the fastener.
  • a rigid sleeve is further disposed between the inner hole of the first elastic vibration damper and the fastener.
  • the first elastic vibration damper is formed as an elastic sleeve, and an outer wall of the first elastic vibration damper has a first flange and a second flange which are spaced apart, and the first flange is sandwiched Between the motor housing and the bearing housing, the first flange and the second flange are respectively located at two sides of the bearing housing.
  • the bearing housing includes a mounting seat and a flange mounting portion coupled to the mounting seat
  • the motor housing includes a housing and an end cover, the end of the housing having a boss, the boss
  • the top wall has an outwardly extending opening, the end cover is covered and connected outside the open portion, and a second elastic damper is disposed between the side wall of the mounting seat and the open portion.
  • the flange mounting portion is disposed opposite to the boss in the axial direction, and the mounting seat at least partially protrudes into the sidewall.
  • the first elastic vibration damper is located in the boss.
  • a motor includes: a stator, a rotor, an output shaft, a bearing, and a bearing housing mounting assembly of the above embodiment, the stator being mounted in the motor housing, the rotor being rotatably located Inside the stator and the rotor is coupled to the output shaft, the output shaft is mounted on the bearing and the bearing is located within the bearing mounting space.
  • FIG. 1 is a schematic view of a motor in accordance with an embodiment of the present invention.
  • FIG. 2 is a partial schematic view of a bearing housing mounting assembly in accordance with an embodiment of the present invention
  • FIG. 3 is a schematic view of a bearing housing of a bearing housing mounting assembly in accordance with an embodiment of the present invention
  • FIG. 4 is a schematic view of a first elastic damper of a bearing housing mounting assembly in accordance with an embodiment of the present invention
  • FIG. 5 is a schematic illustration of an outer casing of a motor housing of a bearing housing mounting assembly in accordance with an embodiment of the present invention.
  • Motor 1000 bearing housing mounting assembly 100, stator 200, rotor 300, output shaft 400, bearing 500,
  • Bearing housing 20 first mounting hole 21, mounting seat 22, flange mounting portion 23,
  • first elastic damper 30 a first flange 31, a second flange 32,
  • a fastener 40 a first limiting portion 41, a second limiting portion 42,
  • the rigid pad 50, the rigid sleeve 60, and the second elastic vibration damper 70 are rigid pads 50, the rigid sleeve 60, and the second elastic vibration damper 70.
  • a bearing block mounting assembly 100 in accordance with an embodiment of the present invention is described below with reference to FIGS. 1 through 5.
  • a bearing housing mounting assembly 100 includes a motor housing 10, a bearing housing 20, and a first elastic damper member 30.
  • the bearing housing 20 is located in the motor housing. In the body 10, the bearing housing 20 defines a mounting space for the bearing 500.
  • the motor housing 10 and the bearing housing 20 are connected by a fastener 40.
  • the first elastic damper member 30 is axially distributed in the bearing housing 20 and the electric device.
  • the casing 10 is located between the casing 40 and the bearing housing 20 in the radial direction.
  • the bearing 500 is mounted in the bearing housing 20, and the bearing housing 20 and the motor housing 10 are elastically coupled by the first elastic damper member 30, and the first elastic portion is also passed between the bearing housing 20 and the fastener 40.
  • the damper member 30 is elastically coupled, and the elastic connection between the first elastic damper member 30 and the motor housing 10 causes the bearing housing 20 and the motor to be caused by the different positions of the mounting position of the bearing 500 and the inner circumference of the stator 200.
  • the axial gap between the housings 10 is compensated by the first elastic damper 30 and the elastic connection between the first elastic damper 30 and the fastener 40 is between the motor housing 10 and the bearing housing 20.
  • the radial clearance is also eliminated by the first elastic damper 30, which in turn reduces axial turbulence of the rotor 300, axial vibration of the bearing 500, and noise generated by radial runout.
  • the bearing housing mounting assembly 100 can reduce the axial vibration of the bearing 500 and the noise generated by the radial runout of the bearing 500 on the one hand, and the rotor 300 does not relative to the stator 200 on the other hand.
  • the axial sway occurs and the bearing housing 20 and the first elastic damper 30 are simple in structure, easy to install, and low in production cost.
  • the motor housing 10 in the embodiment of the present invention may be an upper housing of a vertical motor or a housing on a certain side of the horizontal motor.
  • the bearing housing 20 has a first mounting hole 21, and the first elastic vibration damper 30 is sleeved between the fastener 40 and the first mounting hole 21, and the first elastic damping A portion of the piece 30 is located between the bearing housing 20 and the motor housing 10.
  • the first elastic vibration damper 30 is elastically mounted between the fastener 40 and the bearing housing 20, and the end surface of the first elastic vibration damping member 30 is abutted against the motor housing 10. In this way, the elastic fastening between the fastener 40 and the bearing housing 20 can reduce the axial vibration of the bearing 500 relative to the bearing housing 20, and the connection between the motor housing 10 and the bearing housing 20 can be made closer. The structural stability between the bearing housing 20 and the motor housing 10 is further improved.
  • the fastener 40 has a first limiting portion 41 and a second limiting portion 42.
  • the motor housing 10 has a second mounting hole 11 through which the fastener 40 passes through the second mounting hole 11 and An inner hole of the elastic damper member 30, the first rivet portion abuts against the outer end of the motor housing 10 and the second rivet portion abuts against the inner end of the first elastic damper member 30.
  • the fastener 40 may be a rivet, and the fastener 40 and the motor housing 10 are fastened by the first limiting portion 41, and the upper end of the fastener 40 extends circumferentially to form a first limit.
  • the lower end of the fastener 40 extends circumferentially to form a second limiting portion 42.
  • the first limiting portion 41 and the second limiting portion 42 cooperate to clamp the bearing housing 20 and the motor housing 10 in the up and down direction.
  • the motor housing 10 and the bearing housing 20 are fixed by the first elastic damper 30, and between the housing 12 and the bearing housing 20, the first elastic damper 30 makes the housing 12 and the bearing housing 20 There is a certain degree of flexibility. Thereby, the connection between the motor housing 10 and the bearing housing 20 is made more reliable.
  • a rigid pad 50 is also disposed between the inner end of the first resilient damper member 30 and the fastener 40.
  • the arrangement of the rigid pad 50 causes the first elastic damper member 30 to be in a pressed state.
  • the first elastic damper member 30 has the ability to be braced outward by itself to resist elastic deformation, so that the motor housing 10 and the bearing housing 20 are elastically coupled to cancel the axial vibration of the bearing 500 with respect to the bearing housing 20, while The rigid pad 50 and the first elastic damper 30 are fastened by the second limiting portion 42 and can also cancel the radial vibration generated by the rotor 300.
  • a rigid sleeve 60 is further disposed between the inner hole of the first elastic vibration damper 30 and the fastener 40.
  • the fastener 40 is more securely secured to the motor housing 10 and the bearing housing 20.
  • the first elastic damper 30 is formed as an elastic sleeve, and the outer wall of the first elastic damper 30 has a first flange 31 and a second flange 32 which are spaced apart, and the first flange 31 is clamped. Between the motor housing 10 and the bearing housing 20, the first flange 31 and the second flange 32 are respectively located on both sides of the bearing housing 20.
  • the upper surface of the first flange 31 is abutted against the inner surface of the motor housing 10, and the lower surface of the first flange 31 at least partially abuts against the upper surface of the bearing housing 20, and the second flange 32 The lower surface abuts against the rigid pad 50, and the upper surface of the second flange 32 at least partially rests against the lower surface of the bearing housing 20.
  • the first elastic damper 30 having elasticity can uniformly distribute the force received by the bearing 500 to the motor housing 10 and the rigid pad 50, so that the motor housing 10 and the bearing housing 20 are not Further rigidly coupled, the flexibly coupled motor housing 10 and housing 20 reduce axial vibration and radial runout of the bearing 500.
  • the bearing housing 20 includes a mounting seat 22 and a flange mounting portion 23 attached to the mounting seat 22.
  • the motor housing 10 includes a housing 12 and an end cover 13, and the end of the housing 12 has a convex portion.
  • the top wall of the boss 121 has an outwardly extending opening portion 14.
  • the end cover 13 is covered and connected outside the open portion 14.
  • the second elastic reduction is provided between the side wall of the mounting seat 22 and the open portion 14. Vibrating member 70.
  • the end cover 13 is jacketed on the outer casing 12, and a second elastic damper 70 is mounted between the outer casing 12 and the side wall of the mounting seat 22.
  • the second elastic damper 70 is disposed not only to the end cover 13 but also the outer casing.
  • the flange mounting portion 23 and the boss 121 are disposed opposite to each other in the axial direction, and the mounting seat 22 at least partially protrudes into the side wall, and the mounting seat 22 at least partially protrudes into the side wall to form a window as shown in FIG.
  • the flange mounting portion 23 is recessed downward from the connection region of the mount 22.
  • the fastener 40, the first elastic damper member 30, and the second elastic damper member 70 are separate components. It can be understood that the present invention is not limited thereto, and other In an embodiment, the fastener 40 and the first elastic damper 30 matched thereto may be integrally formed or formed as one piece. In still other embodiments, the fastener 40 may be integrally formed with the motor housing 10. The first elastic damper member 30 may also be integrally formed with the bearing housing 20. Further, as a preferred embodiment, the first elastic damper member 30 and the second elastic damper member 70 may be integrally formed.
  • the motor 1000 includes: a stator 200, a rotor 300, an output shaft 400, a bearing 500, and a bearing housing mounting assembly 100 of the above embodiment.
  • the stator 200 is mounted in the motor housing 10, and the rotor 300 is Rotatingly located within the stator 200 and the rotor 300 is coupled to the output shaft 400, the output shaft 400 is mounted on the bearing 500 and the bearing 500 is located within the bearing 500 mounting space.
  • the rotor 300 is integrally formed with the output shaft 400 (ie, the rotor shaft), and the first elastic damper 30 and the second elastic damper 70 are mounted between the bearing housing 20 and the motor housing 10, Further, by the elastic damping action of the first elastic damper member 30 and the second elastic damper member 70, the bearing 500 caused by the different shafts of the bearing 500 and the output shaft 400 and the different shafts between the stator 200 and the bearing housing 20 is reduced.
  • the axial vibration and the radial runout, and the integrally machined rotor 300 and the output shaft 400 can eliminate the axial sway of the rotor 300, thereby reducing the noise of the motor 1000 during operation.
  • a motor 1000 in accordance with an embodiment of the present invention will now be described in detail with reference to FIG. 1 in a specific embodiment. It is to be understood that the following description is only illustrative and not restrictive.
  • the motor 1000 includes a bearing housing mounting assembly 100, a stator 200, a rotor 300, an output shaft 400, and a bearing 500.
  • the bearing housing mounting assembly 100 includes a motor housing 10, a bearing housing 20, a first resilient damper member 30, a fastener 40, a rigid pad 50, a rigid sleeve 60, and a second resilient damper member 70.
  • the first elastic damper 30 is provided with a first flange 31 and a second flange 32.
  • the first flange 31 is disposed between the bearing housing 20 and the motor housing 10, and the second flange 32 is disposed at Between the bearing housing 20 and the rigid pad 50, and thus the first elastic damper member 30 is axially sandwiched between the motor housing 10 and the bearing housing 20, and the fastener 40 passes through the first elastic damper member 30.
  • the inner hole and the first elastic damper 30 are limited by the first limiting portion 41 and the second limiting portion 42.
  • the rigid pad 50 is disposed under the first elastic damper 30 and the first elastic fastener.
  • the rigid sleeve 60 is sleeved between the first elastic damper member 30 and the fastener 40, and the second elastic damper member 70 is disposed between the bearing housing 20 and the outer casing 12 in the radial direction.
  • the first elastic damper 30 can eliminate the axial gap between the bearing housing 20 and the motor housing 10 in the axial direction
  • the second elastic damper 70 in the radial direction can eliminate the bearing housing 20 and the electric power.
  • the radial gap between the casings 10, the end cap 13 enables a tighter connection between the bearing housing 20 and the motor housing 10, and a plurality of fasteners 40 circumferentially distributed along the flange mounting portion 23 are resiliently connected
  • the force transmitted between the bearing housing 20 and the motor housing 10, and further the bearing 500, to the bearing housing 20 is evenly dispersed, so that the force applied to the motor housing 10, the fastener 70, and the bearing housing 20 is more uniform.
  • the arrangement of the first elastic vibration damper 30 and the second elastic vibration damper 70 not only reduces the noise of the motor 1000, but also makes the arrangement of the bearing 500 more reasonable, and the structural stability of the bearing housing mounting assembly 100 is higher.
  • the components of the motor 1000 are more closely connected, thereby providing the motor 1000 with a longer life cycle.

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

Abstract

L'invention concerne un moteur électrique (1000) et un ensemble de fixation de logement de palier (100) correspondant. L'ensemble de fixation de logement de palier (100) comprend : un carter de moteur électrique (10), un logement de palier (20) et un premier élément d'amortissement élastique (30), le logement de palier (20) étant situé dans le carter de moteur électrique (10) ; un espace de fixation de palier étant délimité dans le logement de palier (20) ; le carter de moteur électrique (10) est relié au logement de palier (20) au moyen d'un élément de fixation (40) ; et le premier élément d'amortissement élastique (30) est axialement réparti entre le logement de palier (20) et le carter de moteur électrique (10), et est situé radialement entre l'élément de fixation (40) et le logement de palier (20).
PCT/CN2018/098357 2017-08-30 2018-08-02 Moteur électrique et ensemble de fixation de logement de palier correspondant Ceased WO2019042073A1 (fr)

Applications Claiming Priority (4)

Application Number Priority Date Filing Date Title
CN201721097418.4 2017-08-30
CN201710760762.5A CN107394943A (zh) 2017-08-30 2017-08-30 电机及其轴承座安装组件
CN201721097418.4U CN207124518U (zh) 2017-08-30 2017-08-30 电机及其轴承座安装组件
CN201710760762.5 2017-08-30

Publications (1)

Publication Number Publication Date
WO2019042073A1 true WO2019042073A1 (fr) 2019-03-07

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Application Number Title Priority Date Filing Date
PCT/CN2018/098357 Ceased WO2019042073A1 (fr) 2017-08-30 2018-08-02 Moteur électrique et ensemble de fixation de logement de palier correspondant

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WO (1) WO2019042073A1 (fr)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN113922556A (zh) * 2021-10-12 2022-01-11 扬州市华天电机有限公司 一种永磁同步电机端盖连接装置

Citations (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2000032704A (ja) * 1998-07-14 2000-01-28 Shibaura Mechatronics Corp 電動機の防振構造
CN201852177U (zh) * 2010-10-27 2011-06-01 佛山市米托力特种电机有限公司 排油烟机用电机安装装置及排油烟机
JP2013207896A (ja) * 2012-03-28 2013-10-07 Fujitsu General Ltd モータ搭載機器
CN204947798U (zh) * 2015-10-22 2016-01-06 严灿� 拉伸端盖结构
CN107394943A (zh) * 2017-08-30 2017-11-24 广东威灵电机制造有限公司 电机及其轴承座安装组件

Patent Citations (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2000032704A (ja) * 1998-07-14 2000-01-28 Shibaura Mechatronics Corp 電動機の防振構造
CN201852177U (zh) * 2010-10-27 2011-06-01 佛山市米托力特种电机有限公司 排油烟机用电机安装装置及排油烟机
JP2013207896A (ja) * 2012-03-28 2013-10-07 Fujitsu General Ltd モータ搭載機器
CN204947798U (zh) * 2015-10-22 2016-01-06 严灿� 拉伸端盖结构
CN107394943A (zh) * 2017-08-30 2017-11-24 广东威灵电机制造有限公司 电机及其轴承座安装组件

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN113922556A (zh) * 2021-10-12 2022-01-11 扬州市华天电机有限公司 一种永磁同步电机端盖连接装置
CN113922556B (zh) * 2021-10-12 2022-09-13 扬州市华天电机有限公司 一种永磁同步电机端盖连接装置

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