CN220577457U

CN220577457U - Motorcycle rim motor assembly

Info

Publication number: CN220577457U
Application number: CN202322315959.1U
Authority: CN
Inventors: 何章; 姚国华; 梁宏常; 肖翔
Original assignee: CHANGZHOU GOLDEN TECHNOLOGY CO LTD
Current assignee: CHANGZHOU GOLDEN TECHNOLOGY CO LTD
Priority date: 2023-08-28
Filing date: 2023-08-28
Publication date: 2024-03-12
Anticipated expiration: 2033-08-28

Abstract

The utility model relates to the technical field of electric motorcycles, in particular to a motorcycle wheel side motor assembly, which comprises a shell, an axial magnetic field motor assembly and a planetary reduction assembly, wherein the axial magnetic field motor assembly is provided with a stator and a rotor, the motor stator is fixed in the shell, the rotor is positioned at two sides of the stator, and a sun gear of the planetary reduction assembly is fixedly arranged at the other side of the rotor and is in transmission connection with the planetary reduction assembly. The motor assembly designs the driving motor of the motorcycle on one side of the wheel, is in transmission connection with the wheel through the universal joint half shaft, and simultaneously integrates the motor in the driving motor and the planetary reducer, thereby greatly reducing the size of the whole driving motor and saving the limited space on the side part of the wheel.

Description

Motorcycle rim motor assembly

Technical Field

The utility model relates to the technical field of electric motorcycles, in particular to a motorcycle wheel motor assembly.

Background

The transmission systems of current electric motorcycles are basically divided into two types: the utility model provides a suitable for lower speed's car, adopts wheel hub motor direct drive generally, has simple structure, does not have complicated drive mechanism, and the reliability is high, and efficiency is also higher, but has two biggest shortcoming, on the one hand the vehicle unsprung mass is high, and industry's conventional speaking is one kilogram unsprung, and ten kilograms on the spring, and vehicle shock absorber system is difficult, and on the other hand wheel hub motor is because the most serious stator of generating heat is overlapped in the motor is inside completely, and the heat dissipation is very difficult, has caused unable normal high power development. The structure is basically only suitable for low-speed vehicles.

The other is the high-speed vehicle, generally adopts the centrally-mounted motor to drive, and drives the rear wheel through belt or chain, and this kind of structure unsprung mass is light, and vehicle handling performance is good, and the motor radiating effect is also good, but belt or chain drive brings efficiency reduction, and noise increase is difficult to avoid.

Disclosure of Invention

In view of the above problems, the present utility model aims to provide a motor assembly for a motorcycle wheel rim, which effectively reduces noise, greatly reduces unsprung weight, and is more stable in operation.

In order to solve the technical problems, the utility model adopts the following technical scheme: the motor rim motor assembly of the motorcycle is provided with a shell, an axial magnetic field motor assembly and a planetary reduction assembly, wherein the axial magnetic field motor assembly is provided with a stator and a rotor, the motor stator is fixed in the shell, the rotor is positioned on two sides of the stator, and a sun gear of the planetary reduction assembly is fixedly arranged on the other side of the rotor and is in transmission connection with the planetary reduction assembly.

In the above technical scheme, the rotor includes magnetic conduction disc and magnet steel piece, the both sides of stator all are equipped with magnetic conduction disc, magnetic conduction disc fixed connection is on the motor shaft, just be equipped with a plurality of magnet steel pieces on the quotation of magnetic conduction disc towards the stator side.

In the above technical scheme, the planetary reduction assembly comprises a retainer, a planetary gear is arranged on the retainer, the sun gear is positioned in the middle of the retainer and is in transmission connection with the magnetic conduction disc, the periphery of the sun gear is in transmission connection with a plurality of planetary gears, and the outer side of the planetary gears is in transmission connection with a gear ring.

In the technical scheme, the output end of the planetary reduction assembly is provided with the universal joint half shaft, and the planetary reduction assembly is in transmission connection with the wheels through the universal joint half shaft.

In the above technical scheme, a fixing seat is arranged on the outer side surface of the casing.

In summary, compared with the traditional technical means, the technical scheme provided by the utility model has the following beneficial effects: the utility model designs the driving motor of the motorcycle on one side of the wheel and is connected with the wheel in a transmission way through the universal joint half shaft, and simultaneously the motor and the planetary reducer in the driving motor are integrally designed, thereby greatly reducing the size of the whole driving motor, saving the limited space on the side part of the wheel,

the wheel is fixed through the combination of the single-arm bottom fork and the universal joint half shaft, the wheel can move up and down according to the position of the opposite driving motor with self-adaption road conditions on the premise that the position of the driving motor is not influenced, the unsprung weight can be greatly reduced by the structure, the running is more stable, the noise is effectively reduced, and the comfort of a driver is greatly improved.

The driving motor is directly arranged at the side part of the wheel, and the redundant structure is not needed to drive power, so that the loss is smaller, and the output power and torque are larger.

Drawings

The foregoing and other objects, features, and advantages of the utility model will become apparent from the following detailed description taken in conjunction with the accompanying drawings.

FIG. 1 is a schematic perspective view of the present utility model;

FIG. 2 is a schematic perspective view of the present utility model in cross-section;

FIG. 3 is an exploded view of the present utility model;

FIG. 4 is a schematic view of the use state of the present utility model;

the labels are as follows: 100. a housing; 110. a fixing seat; 200. a motor assembly; 210. a stator; 220. a rotor; 221. a magnetic conduction disc; 222. a magnetic steel sheet; 230. a motor shaft; 300. a planetary reduction assembly; 310. a retainer; 320. a sun gear; 330. a planet wheel; 340. a gear ring; 600. and a universal joint half shaft.

Detailed Description

The following preferred embodiments according to the present utility model are intended to suggest that various changes and modifications may be made by the worker skilled in the art without departing from the scope of the technical idea of the present utility model. The technical scope of the present utility model is not limited to the description, but must be determined according to the scope of claims.

The utility model will be further described with reference to the following drawings:

as shown in fig. 1 to 4, a motorcycle rim motor assembly comprises a casing 100, an axial magnetic field motor assembly 200 and a planetary reduction assembly 300, wherein the axial magnetic field motor assembly 200 is provided with a stator 210 and a rotor 220, the motor stator 210 is fixed in the casing 100, the rotor 220 is positioned at two sides of the stator 210, and a sun gear 320 of the planetary reduction assembly 300 is fixedly arranged at the other side of the rotor 220 and is in transmission connection with the planetary reduction assembly 300.

As shown in fig. 2 and 3, the rotor 220 includes a magnetic conducting disc 221 and magnetic steel sheets 222, the magnetic conducting disc 220 is disposed on two sides of the stator 210, the magnetic conducting disc 220 is fixedly connected to the motor shaft 230, and a plurality of magnetic steel sheets 222 are disposed on a disc surface of the magnetic conducting disc 221 facing the side of the stator 210.

The planetary reduction assembly 300 comprises a retainer 310, wherein planetary gears 330 are arranged on the retainer 310, the sun gear 320 is positioned in the middle of the retainer 310, a plurality of planetary gears 330 are connected to the periphery of the sun gear 320 in a transmission manner, and a gear ring 340 is connected to the outer side of the planetary gears 330 in a transmission manner.

As shown in FIG. 4, the planetary reduction assembly 300 has a universal joint half shaft 400 mounted on its output end and is in driving engagement with the wheel 500 via the universal joint half shaft 400.

As shown in fig. 3 and 4, a fixing seat 110 is disposed on the outer side surface of the casing 100, and the fixing seat 110 is fixedly connected to the frame through an arc-shaped bracket.

The above description is only of the preferred embodiments of the present utility model and is not intended to limit the present utility model, but various modifications and variations can be made to the present utility model by those skilled in the art. Any modification, equivalent replacement, improvement, etc. made within the spirit and principle of the present utility model should be included in the protection scope of the present utility model.

Claims

1. A motorcycle rim motor assembly, characterized in that: the planetary speed reduction device comprises a shell (100), an axial magnetic field motor assembly (200) and a planetary speed reduction assembly (300), wherein the axial magnetic field motor assembly (200) is provided with a stator (210) and a rotor (220), the stator (210) is fixed in the shell (100), the rotor (220) is positioned on two sides of the stator (210), and a sun gear (320) of the planetary speed reduction assembly (300) is fixedly arranged on the other side of the rotor (220) and is in transmission connection with the planetary speed reduction assembly (300).

2. A motorcycle rim motor assembly as set forth in claim 1 wherein: the rotor (220) comprises magnetic conducting plates (221) and magnetic steel plates (222), the magnetic conducting plates (221) are arranged on two sides of the stator (210), the magnetic conducting plates (221) are fixedly connected to a motor shaft (230), and a plurality of magnetic steel plates (222) are arranged on the disc surface, facing the side of the stator (210), of the magnetic conducting plates (221).

3. A motorcycle rim motor assembly as set forth in claim 2 wherein: the planetary reduction assembly (300) comprises a retainer (310), wherein planetary gears (330) are arranged on the retainer (310), a sun gear (320) is located in the middle of the retainer (310), a plurality of planetary gears (330) are connected to the periphery of the sun gear (320) in a transmission mode, and a gear ring (340) is connected to the outer side of the planetary gears (330) in a transmission mode.

4. A motorcycle rim motor assembly as set forth in claim 3 wherein: the output end of the planetary reduction assembly (300) is provided with a universal joint half shaft (400), and the planetary reduction assembly is in transmission connection with the wheels (500) through the universal joint half shaft (400).

5. A motorcycle rim motor assembly as set forth in claim 1 wherein: the outer side surface of the shell (100) is provided with a fixing seat (110).