CN217590432U

CN217590432U - Motor end cover assembly, motor and electric scooter

Info

Publication number: CN217590432U
Application number: CN202221146038.6U
Authority: CN
Inventors: 王同昌
Original assignee: Brightway Innovation Intelligent Technology Suzhou Co Ltd
Current assignee: Brightway Innovation Intelligent Technology Suzhou Co Ltd
Priority date: 2022-05-12
Filing date: 2022-05-12
Publication date: 2022-10-14
Anticipated expiration: 2032-05-12

Abstract

The utility model discloses a motor end cover subassembly, motor and electric scooter, wherein the motor end cover subassembly includes end cover and bearing, the end cover is equipped with the mounting hole that is used for the pivot to pass, the bearing is installed in the mounting hole, the motor end cover subassembly is still including the end cover backup pad that is located the mounting hole, the bearing is installed in the end cover backup pad outside and along radially centre gripping between end cover and end cover backup pad, the end cover backup pad is including being used for carrying out the shaft hole that the card was held with the pivot. So set up, product inner space obtains effective utilization for product structure is compacter firm, has promoted product quality greatly.

Description

Motor end cover assembly, motor and electric scooter

Technical Field

The utility model belongs to the technical field of the motor, especially about motor element and install the equipment of motor.

Background

As a power source, a motor, which generally includes a stator, a rotor, and a rotating shaft penetrating and mounted on the stator, has been widely used in various apparatuses. The motor can be influenced by equipment vibration in the using process, so that the motor breaks down, and one of the reasons for the failure is that abnormality occurs between the end cover and the matched part.

In order to solve the problems, the conventional motor needs to be improved, the normal operation of the motor is guaranteed, and the overall stability of the equipment is improved.

The information disclosed in this background section is only for enhancement of understanding of the general background of the invention and should not be taken as an acknowledgement or any form of suggestion that this information constitutes prior art already known to a person skilled in the art.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to provide a institutional advancement's motor end cover subassembly, motor and electric scooter to promote product quality.

In order to achieve the above purpose, the utility model provides a technical scheme as follows:

in a first aspect, the utility model provides a motor end cover subassembly, including end cover and bearing, the end cover is equipped with the mounting hole that is used for the pivot to pass, the bearing is installed in the mounting hole, motor end cover subassembly is still including being located the end cover backup pad of mounting hole, the bearing is installed in the end cover backup pad outside and along radially centre gripping between end cover and end cover backup pad, the end cover backup pad is including being used for carrying out the shaft hole that the card was held with the pivot.

In one or more embodiments, the end cap support plate is further provided with a charging hole located outside the shaft hole.

In one or more embodiments, the motor end cover assembly further includes an oil seal located within the mounting aperture and radially outward of the end cover support plate.

In one or more embodiments, the motor end cap assembly further includes a controller board located inside the end cap support plate.

In one or more embodiments, the motor end cap assembly further includes a controller heat sink mounted between the controller board and the end cap support plate.

In one or more embodiments, the end cover support plate is further provided with a fixing hole located outside the shaft hole, the controller plate is provided with a positioning hole corresponding to the fixing hole, and the motor end cover assembly is provided with a fixing piece for fixing with the fixing hole and the positioning hole.

In a second aspect, the present invention provides a motor, the motor includes a stator, a rotating shaft installed on the stator, a rotor installed on the periphery of the stator, and a rotating shaft installed on the stator, wherein the motor includes the motor end cover assembly.

In one or more embodiments, the rotating shaft sequentially passes through the controller board, the controller radiator and the end cover supporting board, and the rotating shaft axially extends out of the shaft hole of the end cover supporting board.

In one or more embodiments, the rotating shaft includes a longitudinal main body portion and an annular abutting portion extending radially outward from the main body portion, and the abutting portion abuts against the controller board.

Third aspect, the utility model provides an electric scooter, electric scooter includes the motor, the motor includes the stator, install in stator outlying rotor, run through and install the pivot on the stator, the motor includes aforementioned motor end cover subassembly.

Compared with the prior art, the utility model discloses a set the motor end cover subassembly to including the end cover backup pad that is located the mounting hole, the bearing is installed in the end cover backup pad outside and along radially the centre gripping between end cover and end cover backup pad, the end cover backup pad is including being used for carrying out the shaft hole that the card was held with the pivot, and the product inner space obtains effective utilization for product structure is compacter firm, has promoted product quality greatly, has improved product competitiveness, accords with the product development trend.

Drawings

Fig. 1 is a schematic view of a combination of a motor end cover assembly and a rotating shaft according to an embodiment of the present invention.

Fig. 2 is a schematic view from another angle of fig. 1.

Fig. 3 is an exploded view of a motor end cover assembly according to an embodiment of the present invention.

Fig. 4 is a schematic view from another angle of fig. 3.

Fig. 5 is a schematic view of a rotating shaft according to an embodiment of the present invention.

Description of the main reference numerals:

1-end cover, 2-bearing, 3-end cover support plate, 31-shaft hole, 32-charging hole, 33-fixing hole, 34-outlet hole, 35-resisting part, 4-oil seal, 5-controller plate, 51-positioning hole, 6-controller radiator, 61-clamping hole, 7-rotating shaft, 71-main body part, 72-resisting part and 8-fixing part.

Detailed Description

The following detailed description of the present invention is provided in conjunction with the accompanying drawings, but it should be understood that the scope of the present invention is not limited by the following detailed description.

Throughout the specification and claims, unless explicitly stated otherwise, the word "comprise", or variations such as "comprises" or "comprising", will be understood to imply the inclusion of a stated element or component but not the exclusion of any other element or component.

The utility model provides a motor for install and provide power to various equipment, equipment is including but not limited to electric scooter. The motor comprises a fixed stator for generating a rotating magnetic field, a rotor which is arranged on the periphery of the stator and can rotate relative to the stator, a longitudinal rotating shaft 7 which penetrates through the stator and is mutually fixed with the stator, and a motor end cover assembly arranged on the rotating shaft 7, wherein the rotating shaft 7 is fixed. The motor end cover assembly is located at one end of the motor and used for protecting the motor.

As shown in fig. 3, the motor end cover assembly includes an end cover 1 and a bearing 2, the end cover 1 is provided with a mounting hole 11 for the rotating shaft 7 to pass through, and the bearing 2 is mounted in the mounting hole 11. The motor end cover assembly further comprises an end cover supporting plate 3 located in the mounting hole 11, the bearing 2 is installed on the outer side of the end cover supporting plate 3 and is clamped between the end cover 1 and the end cover supporting plate 3 along the radial direction, the end cover supporting plate 3 comprises a shaft hole 31 used for clamping with the rotating shaft 7, the end cover supporting plate 3 is fixed, and the end cover 1 can rotate along the center of the rotating shaft 7.

The motor end cover assembly further comprises a controller board 5 located on the inner side of the end cover supporting plate 3, the controller board 5 is a printed circuit board, various controllers are mounted on the printed circuit board and used for controlling the motor, meanwhile, the controllers are arranged inside the motor, accordingly, the inner space of the motor is fully utilized, and the motor end cover assembly is compact in structure.

As shown in fig. 3, the end cover supporting plate 3 is further provided with a charging hole 32 and an outlet hole 34 located outside the shaft hole 31, and the charging hole 32 is used for providing a charging interface between a battery in the motor and an external power supply. Controller board 5 is connected with and extends to the motor outside and be used for the wire be connected with external control device, wire hole 34 is used for supplying the wire outwards extends the motor, so sets up, end cover backup pad 3's compact structure and function are abundant.

The end cover support plate 3 is further provided with a resisting part 35 for resisting the rear end of the bearing 2. The motor end cover assembly further comprises an oil seal 4 which is positioned in the mounting hole 11 and is attached to the outer side of the end cover supporting plate 3 along the radial direction, and the bearing 2 is axially clamped between the oil seal 4 and the abutting part 35 of the end cover supporting plate 3 along the rotating shaft 7.

The motor end cover assembly further comprises a controller radiator 6 arranged between the controller board 5 and the end cover supporting board 3 and used for achieving heat dissipation inside the motor, particularly heat dissipation of a controller on the controller board 5 is achieved, and normal operation of the motor is guaranteed. The controller heat sink 6 is provided with a fastening hole 61 for fixing the controller heat sink 6.

The end cover supporting plate 3 is further provided with a fixing hole 33 located outside the shaft hole 31, the controller plate 5 is provided with a positioning hole 51 corresponding to the fixing hole 33 and the clamping hole 61, the motor end cover assembly is provided with a fixing piece 8 used for being fixed with the fixing hole 33, the clamping hole 61 and the positioning hole 51, and the fixing piece 8 can be a screw. So set up, controller board 5 obtains reliably fixed, has guaranteed that the controller on the controller board 5 can not appear because of the vibration produces the dropout in the motor operation process.

In an exemplary embodiment, the utility model provides a motor, motor includes the stator, install in stator outlying rotor, run through and install pivot 7 on the stator, the motor includes aforementioned motor end cover subassembly. The rotating shaft 7 sequentially penetrates through the controller board 5, the controller radiator 6 and the end cover supporting plate 3 along the axial direction and extends out of the shaft hole 31 of the end cover supporting plate 3, so that the whole structure of the motor is compact, and the interior of the motor is reliably matched.

As shown in fig. 2 and 5, the rotating shaft 7 includes an axially extending longitudinal main body portion 71 and an annular abutting portion 72 extending radially outward from the main body portion 71, and the abutting portion 72 abuts against the controller board 5, so that the rotating shaft 7 and the controller board 5 are tightly fitted inside the motor.

In an exemplary embodiment, the present invention provides an electric scooter, including the aforementioned motor, the motor includes the aforementioned stator that is used for producing the rotating magnetic field, the aforementioned rotor that is installed at the periphery of the stator and can rotate relative to the stator, and a rotating shaft that runs through and is installed on the stator, the motor includes the aforementioned motor end cover assembly. The description of the rotating shaft and the motor end cover assembly refers to the foregoing description, and is not repeated herein.

The foregoing descriptions of specific exemplary embodiments of the present invention have been presented for purposes of illustration and description. It is not intended to limit the invention to the precise form disclosed, and obviously many modifications and variations are possible in light of the above teaching. The exemplary embodiments were chosen and described in order to explain certain principles of the invention and its practical application to enable one skilled in the art to make and use various exemplary embodiments of the invention and various alternatives and modifications as are suited to the particular use contemplated. It is intended that the scope of the invention be defined by the claims and their equivalents.

Claims

1. The utility model provides a motor end cover subassembly, includes end cover (1) and bearing (2), the end cover is equipped with mounting hole (11) that are used for pivot (7) to pass, the bearing is installed in the mounting hole, its characterized in that, motor end cover subassembly is still including being located end cover backup pad (3) in the mounting hole, the bearing is installed in the end cover backup pad outside and along radial centre gripping between end cover and end cover backup pad, end cover backup pad is including being used for carrying out shaft hole (31) of card with the pivot.

2. The motor end cap assembly of claim 1 wherein the end cap support plate is further provided with a charging aperture (32) located outside the shaft aperture.

3. The motor end cover assembly of claim 1, further comprising an oil seal (4) located in the mounting hole and radially outward of the end cover support plate.

4. The motor end cap assembly of claim 1 further comprising a controller board (5) located inside the end cap support plate.

5. The motor end cap assembly of claim 4, further comprising a controller heat sink (6) mounted between the controller board and the end cap support plate.

6. The motor end cover assembly of claim 5, wherein the end cover support plate is further provided with a fixing hole (33) outside the shaft hole, the controller plate is provided with a positioning hole (51) corresponding to the fixing hole, and the motor end cover assembly is provided with a fixing member (8) for fixing with the fixing hole and the positioning hole.

7. An electrical machine comprising a stator, a rotor mounted around the stator, a shaft (7) extending through and mounted to the stator, wherein the machine comprises a machine end cap assembly according to any one of claims 1 to 6.

8. The electric machine of claim 7, wherein the shaft extends axially out of the shaft hole of the end cover support plate through the controller board, the controller heat sink, and the end cover support plate in sequence.

9. The motor of claim 8, wherein the shaft includes a longitudinal main body (71) and a ring-shaped abutting portion (72) extending radially outward from the main body, the abutting portion abutting against the controller board.

10. An electric scooter comprising an electric motor including a stator, a rotor mounted on the periphery of the stator, and a shaft extending through and mounted on the stator, wherein the electric motor includes a motor end cap assembly according to any one of claims 1 to 6.