WO2021143679A1 - 一种电机以及包含该电机的驱动器 - Google Patents

一种电机以及包含该电机的驱动器 Download PDF

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Publication number
WO2021143679A1
WO2021143679A1 PCT/CN2021/071296 CN2021071296W WO2021143679A1 WO 2021143679 A1 WO2021143679 A1 WO 2021143679A1 CN 2021071296 W CN2021071296 W CN 2021071296W WO 2021143679 A1 WO2021143679 A1 WO 2021143679A1
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WIPO (PCT)
Prior art keywords
motor
flange portion
motor housing
housing
rotor shaft
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Ceased
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PCT/CN2021/071296
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English (en)
French (fr)
Inventor
江远
李活明
邱湘淮
许伟炎
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 Zhaoqing L&V Co Ltd
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Guangdong Zhaoqing L&V Co Ltd
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Application filed by Guangdong Zhaoqing L&V Co Ltd filed Critical Guangdong Zhaoqing L&V Co Ltd
Priority to EP21740902.8A priority Critical patent/EP4092881A4/en
Priority to US17/758,794 priority patent/US12273004B2/en
Publication of WO2021143679A1 publication Critical patent/WO2021143679A1/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
    • H02K5/16—Means for supporting bearings, e.g. insulating supports or means for fitting bearings in the bearing-shields
    • H02K5/167—Means for supporting bearings, e.g. insulating supports or means for fitting bearings in the bearing-shields using sliding-contact or spherical cap bearings
    • H02K5/1672—Means for supporting bearings, e.g. insulating supports or means for fitting bearings in the bearing-shields using sliding-contact or spherical cap bearings 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
    • H02K5/15—Mounting arrangements for bearing-shields or end plates
    • 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
    • H02K7/003—Couplings; Details of shafts
    • H—ELECTRICITY
    • H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
    • H02K—DYNAMO-ELECTRIC MACHINES
    • H02K11/00—Structural association of dynamo-electric machines with electric components or with devices for shielding, monitoring or protection
    • H02K11/20—Structural association of dynamo-electric machines with electric components or with devices for shielding, monitoring or protection for measuring, monitoring, testing, protecting or switching
    • H02K11/21—Devices for sensing speed or position, or actuated thereby
    • H02K11/215—Magnetic effect devices, e.g. Hall-effect or magneto-resistive elements
    • 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
    • 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
    • H02K7/083—Structural association with bearings 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
    • 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
    • H02K7/10—Structural association with clutches, brakes, gears, pulleys or mechanical starters
    • H02K7/116—Structural association with clutches, brakes, gears, pulleys or mechanical starters with gears

Definitions

  • the invention belongs to the field of mechanical transmission, and specifically relates to a motor and a driver containing the motor.
  • motors are commonly used power sources to provide rotational power output.
  • the motor can directly drive the terminal part to rotate, or it can be connected to a gear box at the output end of the motor, and the rotation speed of the motor is changed before the power is transmitted to the terminal part.
  • a motor end cover is provided at one end of the motor by riveting and fastening, and the motor and the gear box flange are generally fixedly connected by a screw connection device.
  • the motor and the flange are separate components, which results in a large overall length of the driver after connecting the motor and the gear box, and the installation is more complicated.
  • the present invention proposes the following technical solutions.
  • a motor including:
  • a motor housing a cavity is formed inside the motor housing, the stator assembly and the rotor assembly are accommodated in the cavity, and both ends of the motor housing have openings;
  • An end cover, the end cover is arranged on one side of the motor housing for closing the opening on the side;
  • a flange portion which closes the opening on the other side of the motor housing
  • the rotor assembly has a rotor shaft, one end of the rotor shaft passes through the end cover, and the other end passes through the flange part;
  • a magnetic ring is arranged on the rotor shaft and is located on the side of the end cover away from the motor housing;
  • the output teeth are arranged on the rotor shaft and are located on the side of the flange part away from the motor housing.
  • the magnetic ring and the output tooth are arranged on the rotor shaft by riveting.
  • a boss that abuts against the end surface of the magnetic ring is provided on the axial end surface of the end cover, and the axial end surface of the flange portion is provided with the output tooth The end face abuts the boss.
  • a hole is provided near the edge of the opening of the motor housing, the hole forms a metal rib on the motor housing, and the end cover and the flange portion are respectively provided with Corresponding strip groove.
  • a gasket is further provided between the output tooth and the bearing for supporting the rotor shaft near the output tooth.
  • a gasket is further provided between the magnetic ring and the bearing for supporting the rotor shaft near the magnetic ring.
  • the present invention also relates to a drive, including:
  • the gearbox includes a gearbox housing, and the flange portion of the motor connects the housing of the motor and the gearbox housing.
  • the flange portion and the gearbox housing are welded by laser.
  • the motor obtained according to the above technical scheme can reduce rotor gear parts, thereby saving costs, and connect the motor and the gear box through a flange, shorten the length, improve the coaxiality of the motor and the gear box, and improve the installation efficiency of the driver And save installation costs.
  • the motor and driver of the present invention can be applied to the tailgate adjustment, sunroof adjustment, seat level/height/inclination adjustment and other occasions of automobiles.
  • Fig. 1 is an exploded schematic diagram of the motor of the present invention.
  • Fig. 2 is a cross-sectional view of the motor of the present invention.
  • Fig. 3 is a schematic diagram of the motor of the present invention after assembling.
  • Figure 4 is a schematic diagram of a gearbox adapted to the motor of the present invention.
  • Fig. 5 is a schematic diagram of the driver after the motor and the gearbox of the present invention are assembled.
  • the motor of the present invention includes a motor housing 5 in which a cavity is formed in the housing 5, and the stator assembly, the rotor assembly 4, etc. are accommodated in the cavity.
  • the housing may have various shapes, such as a cylindrical shape, a prismatic shape, and the like.
  • the housing 5 has a cylindrical structure.
  • the shell 5 has openings at both ends, one end is closed by the end cover 3, and the other end is closed by the flange portion 6.
  • the rotor assembly 4 includes a rotor shaft, one end of which passes through the end cover 3 and is supported in the end cover 3 by, for example, a bearing 10, and the other end passes through the flange portion 6 and is supported in the flange portion 6 for example by a bearing 7.
  • a connecting part connected to the reducer is provided on the rotor shaft, and the connecting part is shown in the form of an output tooth 9 in FIG. 1.
  • a shim 8 is further provided between the output tooth 9 and the bearing 7.
  • a magnetic ring 1 is also provided on the outside of the motor end cover 3.
  • a gasket 2 is further provided between the magnetic ring 1 and the bearing 10.
  • the motor end cover 3 and the flange portion 6 are both fixedly arranged on the motor housing 5.
  • a hole is provided near the edge of the opening of the motor housing 5, and the hole forms a metal rib on the motor housing 5.
  • corresponding strip grooves are respectively provided on the motor end cover 3 and the flange portion 6, and the ribs on the motor housing 5 are riveted and pressed into the strip grooves during assembly, so that the motor end cover 3
  • the flange part 6 is clamped and fixed on both ends of the motor housing 5.
  • the magnetic ring 1 and the output teeth 9 respectively arranged at the two ends of the rotor shaft of the motor can be firmly connected to the rotor shaft by means such as riveting.
  • a boss is provided on the axial end surface of the motor end cover 5, and the end surface of the boss abuts against the end surface of the magnetic ring 1, thereby restricting the axis of the rotor shaft in one direction.
  • a boss is also provided on the axial end surface of the flange portion 6, and the end surface of the boss abuts the end surface of the output tooth 9, thereby restricting the movement of the rotor shaft in the other axial direction . Therefore, the magnetic ring 1 and the output teeth 9 provided at the same time can serve to axially fix the rotor shaft.
  • the gearbox 100 adapted to the motor of the present invention has a gearbox housing 101.
  • the gear box housing 101 contains a gear transmission mechanism. Since the specific structure of the gear transmission mechanism is not the focus of the present invention, it will not be discussed in detail here.
  • the gearbox housing 101 can be made of plastic material.
  • the flange portion 6 can also be made of plastic materials, of course, other suitable materials, such as stainless steel, etc., can also be used.
  • the two ends of the flange portion 6 are respectively connected to the gear box housing 101 of the gear box 100 and the motor housing 5.
  • laser welding is used to connect the flange portion 6 to the gear box housing 101 of the gear box 100.
  • Figure 5 shows the assembled structure of the motor and gearbox in the present invention.
  • the motor and the gear box 100 are connected together through the flange portion 6.
  • the motor output gear 9 assembled on the rotor shaft of the motor meshes with the input gear of the gearbox 100 to output the rotational power of the motor to the gearbox 100, and the two form an integral drive to realize power output.

Landscapes

  • Engineering & Computer Science (AREA)
  • Power Engineering (AREA)
  • Microelectronics & Electronic Packaging (AREA)
  • Motor Or Generator Frames (AREA)
  • Connection Of Motors, Electrical Generators, Mechanical Devices, And The Like (AREA)

Abstract

本发明涉及一种电机，包括：电机外壳，在所述电机外壳的内部形成空腔，定子组件、转子组件容纳于所述空腔，所述电机外壳的两端具有开口；端盖，所述端盖设置在所述电机外壳的一侧，用于封闭该侧的开口；法兰部，所述法兰部封闭所述电机外壳的另一侧的开口；所述转子组件具有转子轴，所述转子轴一端穿过所述端盖，另一端穿过所述法兰部；磁环，所述磁环设置在转子轴上，且位于所述端盖远离所述电机外壳的一侧；输出齿，所述输出齿设置在转子轴上，且位于所述法兰部远离所述电机外壳的一侧。本发明减少了转子挡位零件，并且通过一个法兰部连接电机和齿轮箱，缩短长度尺寸，提高电机与齿轮箱的同轴度，提高驱动器的安装效率并节约安装成本。

Description

一种电机以及包含该电机的驱动器 技术领域
本发明属于机械传动领域，具体涉及一种电机以及包含该电机的驱动器。
背景技术
在机械传动领域，电机属于常用的动力源，用于提供旋转动力输出。电机可以直接驱动终端部件旋转，也可以在电机的输出端连接齿轮箱，对电机的转速进行改变后再将动力传递到终端部件。
在现有的电机与齿轮箱连接结构中，在电机的一端采用铆接紧固的方式设置有电机端盖，电机与齿轮箱法兰盘一般通过螺纹连接装置实现固定连接。
在这种结构中，电机与法兰盘是单独的部件，这导致在连接电机以及齿轮箱后，驱动器的整体长度大，且安装较为复杂。
发明内容
为了在一定程度上解决上述技术问题，本发明提出了以下技术方案。
一种电机，包括：
电机外壳，在所述电机外壳的内部形成空腔，定子组件、转子组件容纳于所述空腔，所述电机外壳的两端具有开口；
端盖，所述端盖设置在所述电机外壳的一侧，用于封闭该侧的开口；
法兰部，所述法兰部封闭所述电机外壳的另一侧的开口；
所述转子组件具有转子轴，所述转子轴一端穿过所述端盖，另一端穿过所述法兰部；
磁环，所述磁环设置在转子轴上，且位于所述端盖远离所述电机外壳的一侧；
输出齿，所述输出齿设置在转子轴上，且位于所述法兰部远离所述电机外壳的一侧。
根据本发明的一个方面，所述磁环和所述输出齿通过铆接的方式设置在所述转子轴上。
根据本发明的一个方面，在所述端盖的轴向端面上设置有与所述磁环的端面抵接的凸台，在所述法兰部的轴向端面上设置有与所述输出齿的端面抵接的凸台。
根据本发明的一个方面，在靠近所述电机外壳的开口边沿处设置有孔，该孔在所述电机外壳上形成一条金属筋条，在所述端盖和所述法兰部上分别设置有对应的条形槽。
根据本发明的一个方面，所述输出齿和用于在靠近所述输出齿处支撑转子轴的轴承之间还设置有垫片。
根据本发明的一个方面，所述磁环和用于在靠近所述磁环处支撑转子轴的轴承之间还设置有垫片。
此外，本发明还涉及一种驱动器，包括：
齿轮箱以及上述的电机。
根据本发明的一个方面，所述齿轮箱包括齿轮箱壳体，所述电机的法兰部连接所述电机的外壳和所述齿轮箱壳体。
根据本发明的一个方面，所述法兰部与所述齿轮箱壳体之间通过激光焊接。
根据上述技术方案获得的电机，可以减少转子挡位零件，从而节约成本，并且通过一个法兰部连接电机和齿轮箱，缩短长度尺寸，提高电机与齿轮箱的同轴度，提高驱动器的安装效率并节约安装成本。
本发明的电机及驱动器可以应用于汽车的尾门调节、天窗调节，座椅水平/高度/倾角调节等场合。
附图说明
参考附图描述本发明的示例性实施例，其中：
图1是本发明的电机的爆炸示意图。
图2是本发明的电机的剖视图。
图3是本发明的电机装配完成后的示意图。
图4是与本发明的电机相适配的齿轮箱的一个示意图。
图5是本发明的电机与齿轮箱装配完成后的驱动器的示意图。
所有附图都只是示意性的，而且并不一定按比例绘制，此外它们仅示出为了阐明本发明而必需的那些部分，其他部分被省略或仅仅提及。即，除附图中所示出的部件外，本发明还可以包括其他部件。
具体实施方式
以下结合附图对本发明的技术方案进行详细说明。
参见图1、图2和图3对本发明的电机进行说明。本发明的电机包括电机外壳5，外壳5在其内部形成空腔，定子组件、转子组件4等容纳于该空腔中。外壳可以具有各种形状，例如圆筒形、棱柱形等。在图1所示的示意性实施例中，外壳5具有圆筒形的结构。外壳5的两端具有开口，一端由端盖3封闭，另一端则由法兰部6封闭。
转子组件4包括转子轴，其一端穿过端盖3并且例如通过轴承10支撑在端盖3中，另一端穿过法兰部6并且例如通过轴承7支撑在法兰部6中。在转子轴上设置有与减速器相连的连接部，该连接部在图1中以输出齿9的形式示出。优选地，在输出齿9和轴承7之间还设置有垫片8。
此外，在电机端盖3的外部还设置有磁环1。优选地，在磁环1和轴承10之间还设置有垫片2。
从图3中可以看出，作为一种可行的实施方式，电机端盖3和法兰部6均固定地设置在电机外壳5上。在靠近电机外壳5的开口边沿处设置有孔，该孔在电机外壳5上形成一条金属筋条。相应地，在电机端盖3和法兰部6上分别设置有对应的条形槽，在装配时将电机外壳5上的筋条铆压 压入所述条形槽，从而将电机端盖3与法兰部6夹持固定在电机外壳5的两端。
进一步地，分别设置在电机转子轴的两端的磁环1和输出齿9可以通过例如铆接等方式牢固地连接到转子轴上。为了防止转子轴的轴向移动，一方面，在电机端盖5轴向端面上设置有凸台，该凸台的端面与磁环1的端面抵接，从而限制转子轴在一个方向上的轴向移动；另一方面，在法兰部6的轴向端面上也设置有凸台，该凸台的端面与输出齿9的端面抵接，从而限制转子轴在另一个轴向方向上的移动。因此，同时设置的磁环1和输出齿9可以起到轴向固定转子轴的作用。
以上已经结合图1-图3对本发明的电机的结构做了详细的说明。下面结合图4和图5对与本发明相适配的齿轮箱以及包含有本发明的电机的驱动器的结构进行说明。
参见图4，作为一种示意性的说明，与本发明的电机相适配的齿轮箱100具有齿轮箱壳体101。在图4中，示出了电机的法兰部6与齿轮箱壳体101装配在一起的状态。在齿轮箱壳体101内容纳有齿轮传动机构，由于齿轮传动机构的具体结构并非本发明的重点，因此在此不再详细论述。优选地，齿轮箱壳体101可以采用塑料材料。法兰部6同样可以采用塑料材料，当然也可以采用其他合适的材料，例如不锈钢等。法兰部6的两端分别连接齿轮箱100的齿轮箱壳体101和电机的外壳5。
作为一种优选的实施方式，采用激光焊接将法兰部6连接到齿轮箱100的齿轮箱壳体101。
图5示出了本发明中的电机和齿轮箱装配后的结构。在连接时，通过法兰部6将电机与齿轮箱100连接在一起。装配在电机的转子轴上的电机输出齿9与齿轮箱100的输入齿轮相啮合，从而将电机的旋转动力输出到齿轮箱100，二者形成一个整体的驱动器，实现动力输出。
参考以上的示意性实施例已经对本发明做出了清楚、完整的说明，本领域技术人员应当理解的是，在不脱离本发明的精神和范围的情况下，通过对所公开的技术方案的修改可以设想各种其它的实施例。这些实施例应 当被理解成落在本发明的基于权利要求和其任何等同技术方案所确定的范围之内。

Claims (9)

  1. 一种电机，包括：
    电机外壳(5)，在所述电机外壳(5)的内部形成空腔，定子组件、转子组件(4)容纳于所述空腔，所述电机外壳(5)的两端具有开口；
    端盖(3)，所述端盖(3)设置在所述电机外壳(5)的一侧，用于封闭该侧的开口；
    法兰部(6)，所述法兰部(6)封闭所述电机外壳(5)的另一侧的开口；
    所述转子组件(4)具有转子轴，所述转子轴一端穿过所述端盖(3)，另一端穿过所述法兰部(6)；
    其特征在于，还包括：
    磁环(1)，所述磁环(1)设置在转子轴上，且位于所述端盖(3)远离所述电机外壳(5)的一侧；
    输出齿(9)，所述输出齿(9)设置在转子轴上，且位于所述法兰部(6)远离所述电机外壳(5)的一侧。
  2. 根据权利要求1所述的电机，其特征在于，所述磁环(1)和所述输出齿(9)通过铆接的方式设置在所述转子轴上。
  3. 根据权利要求1所述的电机，其特征在于，在所述端盖(3)的轴向端面上设置有与所述磁环(1)的端面抵接的凸台，在所述法兰部(6)的轴向端面上设置有与所述输出齿(9)的端面抵接的凸台。
  4. 根据权利要求1-3中任一项所述的电机，其特征在于，在靠近所述电机外壳(5)的开口边沿处设置有孔，该孔在所述电机外壳(5)上形成一条金属筋条，在所述端盖(3)和所述法兰部(6)上分别设置有对应的条形槽。
  5. 根据权利要求1-3中任一项所述的电机，其特征在于，所述输出齿(9)和用于在靠近所述输出齿(9)处支撑转子轴的轴承(7)之间还设置有垫片(8)。
  6. 根据权利要求1-3中任一项所述的电机，其特征在于，所述磁环(1)和用于在靠近所述磁环(1)处支撑转子轴的轴承(10)之间还设置有垫片(2)。
  7. 一种驱动器，包括：
    齿轮箱(100)，
    其特征在于，还包括：
    根据权利要求1-6中任一项所述的电机。
  8. 根据权利要求7所述的驱动器，其特征在于，
    所述齿轮箱(100)包括齿轮箱壳体(101)，所述电机的法兰部(6)连接所述电机的外壳(5)和所述齿轮箱壳体(101)。
  9. 根据权利要求8所述的驱动器，其特征在于，所述法兰部(6)与所述齿轮箱壳体(101)之间通过激光焊接。
PCT/CN2021/071296 2020-01-14 2021-01-12 一种电机以及包含该电机的驱动器 Ceased WO2021143679A1 (zh)

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EP4092881A1 (en) 2022-11-23
US12273004B2 (en) 2025-04-08

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