WO2018233026A1 - 一种电机端盖及其应用的电机 - Google Patents

一种电机端盖及其应用的电机 Download PDF

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Publication number
WO2018233026A1
WO2018233026A1 PCT/CN2017/099658 CN2017099658W WO2018233026A1 WO 2018233026 A1 WO2018233026 A1 WO 2018233026A1 CN 2017099658 W CN2017099658 W CN 2017099658W WO 2018233026 A1 WO2018233026 A1 WO 2018233026A1
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Prior art keywords
mounting
end cover
motor
hole
mounting plate
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PCT/CN2017/099658
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English (en)
French (fr)
Inventor
狄靖昊
李海君
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中山大洋电机股份有限公司
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Publication of WO2018233026A1 publication Critical patent/WO2018233026A1/zh

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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

Definitions

  • the utility model relates to a motor end cover and a motor for the same.
  • the conventional motor includes a front end cover (1a) and a rear end cover (2a), and the front end cover (1a) and the rear end cover (2a) both include a bottom and a cylinder axially stretched from the bottom edge.
  • the middle portion of the bottom portion extends axially out of the bearing seat, and the bottom portion and the cylindrical portion enclose a cavity for mounting the stator and the rotor, and the end portion of the cylindrical portion is provided with an opening, and the mounting plate protrudes outward from the end portion of the cylindrical portion (10a, 20a), mounting plates (10a, 20a) are respectively provided with mounting holes (11a, 21a) and mounting holes (12a, 22a), and mounting holes (11a, 21a) are used for mounting the front and rear end covers, mounting holes (12a, 22a) for mounting with the load, the center of the fitting hole (11a, 21a), the center of the mounting hole (12a, 22a), and the center of the opening of the end cap in a diagonal line, and the mounting plate (10a
  • the motor and the load are connected through the mounting plate.
  • the mounting plate is made of metal material, and the mounting plate is wide, and it is easy to transmit the vibration of the motor to the load, resulting in large load vibration.
  • the object of the present invention is to provide a motor end cover and a motor for the same, which can save material, reduce cost, and solve the problem that the vibration of the motor is easily transmitted to the load.
  • a first object of the present invention is to provide a motor end cover comprising a motor end cover including a bottom surface and a cylindrical body axially extending from the bottom edge, the middle portion of the bottom surface extending axially out of the bearing seat, the bottom surface and
  • the cylindrical body encloses a cavity for mounting the stator and the rotor, and the end of the cylindrical body is provided with a first opening, the end of the cylindrical body extends outwardly to extend the mounting plate, and the mounting plate is provided with a mounting connection with the other end cover.
  • Mounting hole, mounting plate Mounting holes for mounting with the load are also provided, and a hollow hole is provided in the mounting plate.
  • the mounting plate described above has a quadrangular shape, and the number of the mounting holes and the mounting holes is four, and the mounting holes are located at four opposite corners of the mounting plate, and the mounting holes are located in the middle of the four sides of the mounting plate.
  • the hollow hole described above is disposed between the mounting hole and the mounting hole.
  • the hollow hole described above has a waist shape, and the waist shape is a shape with a small end at one end, and an end near the fitting hole is smaller than an end close to the mounting hole.
  • a hollow hole is provided between the adjacent assembly hole and the mounting hole.
  • the hollow holes described above are symmetrically disposed on the first mounting plate.
  • the flange is axially folded from the edge of the mounting plate described above.
  • a second object of the present invention is to provide a motor including a front end cover, a rear end cover, and a stator assembly and a rotor assembly mounted in the end covers, the front end cover being the motor end cover described above.
  • the rear end cover described above comprises a bottom plate and a cylindrical portion stretched from the edge of the bottom plate, the bottom plate and the cylindrical portion enclose a cavity, the middle portion of the bottom plate extends axially out of the bearing seat, and the end portion of the cylindrical portion forms a second opening.
  • the end portion of the cylindrical portion is folded outwardly to form a circular folded edge, and the folded edge protrudes outwardly from the lug.
  • the lug is provided with a matching hole for mounting the front end cover, and the front end cover and the rear end cover are worn by screws or bolts. The assembly holes and the mating holes are tightly mounted together. .
  • the motor end cover comprises a bottom surface and a cylindrical body axially stretched from the bottom edge, the middle portion of the bottom surface axially extending out of the bearing seat, and the bottom surface and the cylindrical body enclosing a cavity for mounting the stator and the rotor, the cylindrical body
  • the end portion is provided with a first opening, the end portion of the cylindrical body extends outwardly to the mounting plate, the mounting plate is provided with a mounting hole and a mounting hole, the mounting hole is used for cooperation with the other end cover, and the mounting hole is used for mounting the load,
  • the mounting plate is provided with a hollow hole.
  • Such a structure can reduce the material of the parts, reduce the cost, and can reduce the rigid connection between the motor and the mounting holes at the four corners, reduce the transmission of the motor vibration to the customer load, and at the same time improve the flatness of the mounting plate and cooperate with the other end cover. Tight.
  • the shape of the mounting plate is quadrangular, and the number of mounting holes and mounting holes are respectively 4.
  • the mounting holes are located at four opposite corners of the mounting plate, and the mounting holes are located in the middle of the four sides of the mounting plate, and the mounting holes are with
  • the assembly holes are dispersed to make the mounting plate evenly stressed, thereby adjusting the flatness of the mounting plate and reducing the vibration of the motor and external devices.
  • the hollow hole is arranged between the assembly hole and the mounting hole to ensure the strength of the mounting plate while reducing the material of the part.
  • the hollow hole is formed in a waist shape, and the waist shape is a shape with a small end at one end, and one end near the assembly hole is smaller than an end near the mounting hole, and the structure is more matched with the shape of the mounting plate, and the material is further reduced.
  • the cost is reduced, and the rigid connection between the motor and the mounting holes at the four corners is further reduced, the transmission of the motor vibration to the customer load is reduced, and the flatness of the mounting plate is improved, and the cooperation with the other end cover is tighter.
  • the front end cover is the motor end cover of the utility model
  • the rear end cover includes a bottom plate and a cylindrical portion stretched from the edge of the bottom plate, the bottom plate and the cylindrical portion enclose a cavity, and the bottom plate extends axially
  • the bearing seat the end of the cylindrical portion forms a second opening
  • the end portion of the cylindrical portion is folded outwardly to form a circular folded edge
  • the folded edge protrudes outwardly from the lug
  • the lug is provided with the front end cover
  • the rear end cover of the structure is matched with the front end cover, which can solve the problem that the flatness of the folding edge and the installation plate is difficult to control, and the two end covers are not tightly fitted.
  • Figure 1 is an exploded view of a prior art motor
  • Figure 2 is a perspective view of the motor end cover according to the first embodiment of the present invention.
  • Figure 3 is a bottom plan view of the motor end cover according to the first embodiment of the present invention.
  • Figure 4 is a front elevational view of the motor end cover according to the first embodiment of the present invention.
  • Figure 5 is a perspective view of the rear end cover of the motor according to the second embodiment of the present invention.
  • Figure 6 is a bottom plan view of the rear end cover of the motor according to the second embodiment of the present invention.
  • Figure 7 is a front elevational view of the rear end cover of the motor of the second embodiment of the present invention.
  • Figure 8 is an exploded view of the motor of the second embodiment of the present invention.
  • Figure 9 is a perspective view of the motor of the second embodiment of the present invention.
  • Embodiment 1 is a diagrammatic representation of Embodiment 1:
  • the embodiment provides a motor end cover including a bottom surface 10 and a cylindrical body 11 axially extending from the edge of the bottom surface 10.
  • the middle portion of the bottom surface 10 extends axially out of the bearing housing.
  • the bottom surface 10 and the cylindrical body 11 enclose a cavity for mounting the stator and the rotor.
  • the end of the cylindrical body 11 is provided with a first opening 12, and the end of the cylindrical body 11 extends outwardly to the mounting plate 13, and the mounting plate 13 is provided.
  • the motor end cover of the embodiment can reduce the material of the part, reduce the cost, and can reduce the rigid connection between the motor and the mounting hole 15 at the four corners, reduce the transmission of the motor vibration to the customer load, and improve the flatness of the mounting plate 13 at the same time. , the tighter fit with the other end cover.
  • the mounting plate 13 has a quadrangular shape, and the number of the mounting holes 14 and the mounting holes 15 is four.
  • the mounting holes 15 are located at four opposite corners of the mounting plate 13, and the mounting holes 14 are located on the mounting plate 13. The middle of the four sides.
  • the mounting plate 13 is evenly stressed, thereby adjusting the flatness of the mounting plate 13 and reducing the vibration of the motor and the external device.
  • the hollow hole 16 is disposed between the fitting hole 14 and the mounting hole 15.
  • the strength of the mounting plate 13 is ensured while reducing the material of the part.
  • the hollow hole 16 has a waist shape, and the waist shape is a shape with a small end at one end, and an end near the fitting hole 14 is smaller than an end close to the mounting hole 15.
  • a hollow hole 16 is disposed between the adjacent fitting hole 14 and the mounting hole 15.
  • the hollow holes 16 are symmetrically disposed on the first mounting plate 13.
  • the flange 17 is axially folded from the edge of the mounting plate 13.
  • the flange 17 can function as a reinforcing rib, enhance the flatness and force of the mounting plate 13, prevent the deformation of the mounting plate 13, ensure the tight fit between the end cover and the end cover of the motor, and also make the installation effect with the load. better.
  • Embodiment 2 is a diagrammatic representation of Embodiment 1:
  • the present embodiment provides a motor including a front end cover 1 , a rear end cover 2 , and a stator assembly and a rotor assembly mounted in the two end covers.
  • the front end cover 1 is implemented.
  • the rear end cover 2 includes a bottom plate 20 and a cylindrical portion 21 stretched from the edge of the bottom plate 20.
  • the bottom plate 20 and the cylindrical portion 21 enclose a cavity, and the bottom plate 20 extends axially out of the bearing seat, and the cylindrical portion 21
  • the end portion forms a second opening 22, and the end portion of the cylindrical portion 21 is folded outwardly around the flange 23, and the flange 23 protrudes outwardly from the lug 24.
  • the lug 24 is provided with a fitting hole 25 for mounting the front end cover 1.
  • the front end cover 1 and the rear end cover 2 are tightly fitted together through the fitting hole 14 and the fitting hole 25 by screws or bolts.
  • the rear end cover 2 and the front end cover 1 are closely matched, which can solve the problem that the flatness control of the flange 23 and the mounting plate 13 is difficult, and the two ends of the cover are not tightly fitted.

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

Abstract

一种电机端盖及其应用的电机，包括底面(10)和从底面(10)边缘轴向拉伸的圆筒体(11)，底面(10)的中间轴向延伸出轴承座，底面(10)与圆筒体(11)围成安装定子与转子的空腔，圆筒体(11)的端部设有第一开口(12)，圆筒体(11)的端部向外周延伸安装板(13)，安装板(13)上设有装配孔(14)和安装孔(15)，安装板(13)上设有用于与另一端盖安装连接的装配孔(14)，安装板(13)上还设有用于与负载安装连接的安装孔(15)，在所述的安装板(13)上设置有镂空孔(16)，这样的结构可以减少零件材料，降低成本，且能减少电机与客户安装的负载的刚性连接，降低电机振动传递到负载，另外可以改善安装板(13)的平面度，与另一端盖的配合更严紧。

Description

一种电机端盖及其应用的电机 技术领域：
本实用新型涉及一种电机端盖及其应用的电机。
背景技术：
如图1所示，现有的电机包括前端盖(1a)和后端盖(2a)，前端盖(1a)和后端盖(2a)都包括底部和从底部边缘轴向拉伸的圆筒部，底部的中间轴向延伸出轴承座，底部与圆筒部围成安装定子和转子的空腔，圆筒部的端部设有开口，从圆筒部的端部向外伸出安装板(10a，20a)，安装板(10a，20a)上分别设有装配孔(11a,21a)和安装孔(12a,22a)，装配孔(11a,21a)用于前后端盖的安装，安装孔(12a,22a)用于与负载安装，装配孔(11a,21a)的中心、安装孔(12a,22a)的中心以及端盖的开口的中心在一条对角直线上，且安装板(10a，20a)比较宽，这样存在的问题是：
1)由于装配孔(11a,21a)和安装孔(12a,22a)分布的位置集中，导致安装板受力不均匀；
2)安装板(10a，20a)比较宽，平面度控制困难，导致两端盖配合不密封。
2)电机与负载通过安装板连接，安装板为金属材料，且安装板宽，容易将电机振动传递到负载，导致负载振动大。
发明内容：
为了克服现有技术的缺陷，本实用新型的目的是提供一种电机端盖及其应用的电机，既能节约材料，降低成本，又能解决电机振动容易传递到负载的问题。
本实用新型的目的是通过下述技术方案予以实现的。
本实用新型的第一个目的是提供一种电机端盖，包括一种电机端盖，包括底面和从底面边缘轴向拉伸的圆筒体，底面的中间轴向延伸出轴承座，底面与圆筒体围成安装定子与转子的空腔，圆筒体的端部设有第一开口，圆筒体的端部向外周延伸安装板，安装板上设有用于与另一端盖安装连接的装配孔,安装板 上还设有用于与负载安装连接的安装孔，在所述的安装板上设置有镂空孔。
上述所述的安装板的外形是四边形，装配孔和安装孔的个数分别为4个，安装孔位于安装板的四个对角处，所述的装配孔位于安装板的四条边的中部。
上述所述的镂空孔设置在装配孔和安装孔之间。
上述所述的镂空孔呈腰形，所述腰形是一端小一端大的形状，靠近装配孔的一端小于靠近安装孔的一端。
相邻的装配孔和安装孔之间设置一个镂空孔。
上述所述的镂空孔对称设置在第一安装板上。
从上述所述的安装板的边缘轴向折出翻边。
本实用新型的第二个目的是提供一种电机，包括前端盖、后端盖以及安装在两端盖里面的定子组件和转子组件，所述的前端盖是上述所述的电机端盖。
上述所述的后端盖包括底板和从底板边缘拉伸的圆筒部，底板与圆筒部围成空腔，底板中间轴向延伸出轴承座，圆筒部的端部形成第二开口，圆筒部的端部向外周折出圆环形的折边，折边向外周凸出凸耳，凸耳上设有与前端盖安装的配合孔，前端盖和后端盖通过螺钉或螺栓穿过装配孔和配合孔紧密安装在一起。。
本实用新型与现有技术相比，具有如下效果：
1)电机端盖，包括底面和从底面边缘轴向拉伸的圆筒体，底面的中间轴向延伸出轴承座，底面与圆筒体围成安装定子与转子的空腔，圆筒体的端部设有第一开口，圆筒体的端部向外周延伸安装板，安装板上设有装配孔和安装孔，装配孔用于与另一端盖的配合，安装孔用于安装负载，在所述的安装板上设置有镂空孔。这样的结构可以减少零件材料，降低成本，且能减少电机与四角处的安装孔的刚性连接，减少电机振动对客户负载的传递；同时可以改善安装板的平面度，与另一端盖的配合更严紧。
2)安装板的外形是四边形，装配孔和安装孔的个数分别为4个，安装孔位于安装板的四个对角处，所述的装配孔位于安装板的四条边的中部，安装孔和 装配孔分散设置，可以使安装板受力均匀，从而调整安装板的平面度，降低电机与外接设备的振动。
3)镂空孔设置在装配孔和安装孔之间，在减少零件材料的同时保证安装板的强度。
4)将镂空孔设置成呈腰形，所述腰形是一端小一端大的形状，靠近装配孔的一端小于靠近安装孔的一端，该结构与安装板的外形更配合，更能减少材料，降低成本，且更能减少电机与四角处的安装孔的刚性连接，减少电机振动对客户负载的传递；同时更能改善安装板的平面度，与另一端盖的配合更严紧。
5)从安装板的边缘轴向折出翻边，可以起到加强筋的作用，增强安装板的平面度和受力，防止安装板变形，保证端盖与端盖之间的紧密配合，同时也使得与负载的安装效果更好。
6)在电机中，前端盖是采用本实用新型的电机端盖，后端盖包括底板和从底板边缘拉伸的圆筒部，底板与圆筒部围成空腔，底板中间轴向延伸出轴承座，圆筒部的端部形成第二开口，圆筒部的端部向外周折出圆环形的折边，折边向外周凸出凸耳，凸耳上设有与前端盖安装的配合孔，这样结构的后端盖与前端盖配合，可以解决折边与安装版平面度控制困难，两端盖配合不紧的问题。
附图说明：
图1是现有技术中电机的爆炸图；
图2是本实用新型实施例一所述电机端盖的立体图；
图3是本实用新型实施例一所述电机端盖的仰视图；
图4是本实用新型实施例一所述电机端盖的正视图；
图5是本实用新型实施例二所述电机中后端盖的立体图；
图6是本实用新型实施例二所述电机中后端盖的仰视图；
图7是本实用新型实施例二所述电机中后端盖的正视图；
图8是本实用新型实施例二所述电机的爆炸图；
图9是本实用新型实施例二所述电机的立体图。
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2至图4所示，本实施例提供的是一种电机端盖，包括底面10和从底面10边缘轴向拉伸的圆筒体11，底面10的中间轴向延伸出轴承座，底面10与圆筒体11围成安装定子与转子的空腔，圆筒体11的端部设有第一开口12，圆筒体11的端部向外周延伸安装板13，安装板13上设有用于与另一端盖安装连接的装配孔14,安装板13上还设有用于与负载安装连接的安装孔15，在所述的安装板13上设置有镂空孔16。
本实施例所述的电机端盖可以减少零件材料，降低成本，且能减少电机与四角处的安装孔15的刚性连接，减少电机振动对客户负载的传递；同时可以改善安装板13的平面度，与另一端盖的配合更严紧。
所述的安装板13的外形是四边形，装配孔14和安装孔15的个数分别为4个，安装孔15位于安装板13的四个对角处，所述的装配孔14位于安装板13的四条边的中部。安装板13受力均匀，从而调整安装板13的平面度，降低电机与外接设备的振动。
所述的镂空孔16设置在装配孔14和安装孔15之间。在减少零件材料的同时保证安装板13的强度。
所述的镂空孔16呈腰形，所述腰形是一端小一端大的形状，靠近装配孔14的一端小于靠近安装孔15的一端。
相邻的装配孔14和安装孔15之间设置一个镂空孔16。
所述的镂空孔16对称设置在第一安装板13上。
从所述的安装板13的边缘轴向折出翻边17。翻边17可以起到加强筋的作用，增强安装板13的平面度和受力，防止安装板13变形，保证电机的端盖与端盖之间的紧密配合，同时也使得与负载的安装效果更好。
实施例二：
如图5至图9所示，本实施例提供的是一种电机，包括前端盖1、后端盖2以及安装在两端盖里面的定子组件和转子组件，所述的前端盖1是实施例一所述的电机端盖。
所述的后端盖2包括底板20和从底板20边缘拉伸的圆筒部21，底板20与圆筒部21围成空腔，底板20中间轴向延伸出轴承座，圆筒部21的端部形成第二开口22，圆筒部21的端部向外周折出折边23，折边23向外周凸出凸耳24，凸耳24上设有与前端盖1安装的配合孔25，前端盖1和后端盖2通过螺钉或螺栓穿过装配孔14和配合孔25紧密安装在一起。
本实施例所述的电机，后端盖2与前端盖1紧密配合，可以解决折边23与安装版13平面度控制困难，两端盖配合不紧的问题。
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. 一种电机端盖，包括底面(10)和从底面(10)边缘轴向拉伸的圆筒体(11)，底面(10)的中间轴向延伸出轴承座，底面(10)与圆筒体(11)围成安装定子与转子的空腔，圆筒体(11)的端部设有第一开口(12)，圆筒体(11)的端部向外周延伸安装板(13)，安装板(13)上设有用于与另一端盖安装连接的装配孔(14),安装板(13)上还设有用于与负载安装连接的安装孔(15)，其特征在于：在所述的安装板(13)上设置有若干个镂空孔(16)。
  2. 根据权利要求1所述的一种电机端盖，其特征在于：所述的安装板(13)的外形是四边形，装配孔(14)和安装孔(15)的个数分别为4个，安装孔(15)位于安装板(13)的四个对角处，所述的装配孔(14)位于安装板(13)的四条边的中部。
  3. 根据权利要求2所述的一种电机端盖，其特征在于：所述的镂空孔(16)设置在装配孔(14)和安装孔(15)之间。
  4. 根据权利要求3所述的一种电机端盖，其特征在于：所述的镂空孔(16)呈腰形，所述腰形是一端小一端大的形状，靠近装配孔(14)的一端小于靠近安装孔(15)的一端。
  5. 根据权利要求4所述的一种电机端盖，其特征在于：相邻装配孔(14)和安装孔(15)之间设置一个镂空孔(16)。
  6. 根据权利要求5所述的一种电机端盖，其特征在于：所述的镂空孔(16)对称设置在第一安装板(13)上。
  7. 根据权利要求1至6任一一项所述的一种电机端盖，其特征在于：从所述的安装板(13)的边缘轴向折出翻边(17)。
  8. 一种电机，包括前端盖(1)、后端盖(2)以及安装在两端盖里面的定子组件和转子组件，其特征在于：所述的前端盖(1)是权利要求1至7任一项所述的电机端盖。
  9. 根据权利要求8所述的一种电机，其特征在于：所述的后端盖(2)包 括底板(20)和从底板(20)边缘拉伸的圆筒部(21)，底板(20)与圆筒部(21)围成空腔，底板(20)中间轴向延伸出轴承座，圆筒部(21)的端部形成第二开口(22)，圆筒部(21)的端部向外周折出圆环形的折边(23)，折边(23)向外周凸出凸耳(24)，凸耳(24)上设有与前端盖(1)安装的配合孔(25)，前端盖(1)和后端盖(2)通过螺钉或螺栓穿过装配孔(14)和配合孔(25)紧密安装在一起。
PCT/CN2017/099658 2017-06-23 2017-08-30 一种电机端盖及其应用的电机 WO2018233026A1 (zh)

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CN113937942A (zh) * 2020-06-29 2022-01-14 中车株洲电力机车研究所有限公司 一种永磁同步电机及其端盖
CN114614617A (zh) * 2022-01-21 2022-06-10 深圳汝原科技有限公司 安装件和电器设备

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