CN217010505U

CN217010505U - Middle-arranged motor of electric motorcycle

Info

Publication number: CN217010505U
Application number: CN202122422580.1U
Authority: CN
Inventors: ***
Original assignee: Jiangsu Jujie Electromechanical Co ltd
Current assignee: Jiangsu Jujie Electromechanical Co ltd
Priority date: 2021-10-08
Filing date: 2021-10-08
Publication date: 2022-07-19
Anticipated expiration: 2031-10-08

Abstract

The utility model discloses a mid-motor of an electric motorcycle, which comprises a motor body, a first fixed disk and a second fixed disk which are respectively fixed at two ends of the motor body, and a heat radiator arranged on the side wall of the motor body. The first fixing disc and the second fixing disc are respectively arranged at the two ends of the motor body, so that the motor body can be conveniently installed and fixed, and the motor body can be adapted to frames with different sizes; through set up heat abstractor in the motor body outside, can reduce the motor body part through the mode of initiative cooling and be difficult to radiating position, improve motor body job stabilization nature and life.

Description

Middle-arranged motor of electric motorcycle

Technical Field

The utility model relates to a middle motor of an electric motorcycle, and belongs to the technical field of motors of electric motorcycles.

Background

The traditional engine type motorcycle uses fuel oil as power (also called as a fuel motorcycle), has better power performance, but has the problems of noise, air pollution and the like; the electric motorcycle driven by the motor uses the battery to drive the motor as a power source, and has the advantages of high acceleration speed, low noise, low energy consumption and low air pollution.

The existing electric motorcycle mostly adopts a middle-mounted motor. In the using process, because the electric motorcycle has large mass and high speed requirement, the rotation speed of the middle motor is high, the load is large, and a large amount of heat can be generated. In the riding process of the electric motorcycle, along with the flowing of the air flow, heat of one side of the middle-placed motor facing the air flow is rapidly taken away by the air flow, high-speed air flow is formed on the other side of the middle-placed motor along with the air flow on the upper side and the lower side of the planting motor, a low-pressure area is formed, the air flow rate is low, the heat is slowly dissipated, and negative effects can be generated on the continuous work of the middle-placed motor.

SUMMERY OF THE UTILITY MODEL

Aiming at the problems in the prior art, the utility model provides a mid-motor of an electric motorcycle, which is convenient for installing and fixing a motor body by respectively arranging a first fixed disk and a second fixed disk at two ends of the motor body and can be adapted to frames with different sizes; through set up heat abstractor in the motor body outside, can reduce the motor body part through the mode of initiative cooling and be difficult to radiating position, improve motor body job stabilization nature and life.

In order to achieve the purpose, the middle motor of the electric motorcycle comprises a motor body, a first fixed disk and a second fixed disk which are respectively fixed at two ends of the motor body, and a heat dissipation device arranged on the side wall of the motor body, wherein a plurality of threaded holes are respectively formed in the first fixed disk and the second fixed disk, the heat dissipation device comprises a U-shaped mounting plate, a fan arranged on the bottom surface of the U-shaped structure of the mounting plate, a semiconductor refrigeration sheet arranged on the bottom surface of the U-shaped structure of the mounting plate, and a sealing plate arranged on the bottom surface of the U-shaped structure of the mounting plate and close to one side of the motor body, a plurality of threaded holes respectively matched with the first fixed disk and the second fixed disk are arranged on the side wall of two ends of the U-shaped structure of the mounting plate, and a plurality of exhaust holes are also formed in the bottom surface of the U-shaped structure of the mounting plate, which is far away from the heat dissipation fan, the refrigerating surface of the semiconductor refrigerating sheet is located on one surface, close to the motor body, of the mounting plate, and the heating surface of the semiconductor refrigerating sheet is located on one surface, far away from the motor body, of the mounting plate.

Preferably, the sealing plate comprises a flexible connecting plate connected with the mounting plate and a magnet arranged at one end of the flexible connecting plate far away from the mounting plate.

Preferably, a dust screen is arranged on the fan.

Preferably, the bottom surface of the U-shaped structure of mounting panel and the both ends that are close to the one side of motor body are provided with respectively with the sealed sponge that strengthens and between first fixed disk and the second fixed disk leakproofness.

Preferably, the heating surface of the semiconductor refrigerating sheet is provided with radiating fins.

Preferably, the output shaft of the motor body adopts a universal design of smooth hole expansion sleeve and spline connection.

Compared with the prior art, the utility model has the beneficial effects that:

1. the first fixing disc and the second fixing disc are respectively arranged at the two ends of the motor body, so that the motor body can be conveniently installed and fixed and can be adapted to frames with different sizes;

2. through set up heat abstractor in the motor body outside, can reduce the motor body part through the mode of initiative cooling and be difficult to radiating position, improve motor body job stabilization nature and life.

Drawings

FIG. 1 is a schematic structural view of the present invention;

fig. 2 is a schematic structural diagram of the heat dissipation device of the present invention.

In the figure: 1. the heat dissipation device comprises a motor body, 2 parts of a first fixing disc, 3 parts of a second fixing disc, 4 parts of a heat dissipation device, 4-1 parts of a mounting plate, 4-2 parts of a heat dissipation fan, 4-3 parts of a semiconductor refrigeration piece, 4-4 parts of a sealing plate, 4-5 parts of a sealing sponge.

Detailed Description

The technical solutions in the implementation of the present invention will be made clear and fully described below with reference to the accompanying drawings, and the described embodiments are only a part of the embodiments of the present invention, but not all of the embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments of the present invention without making any creative effort, shall fall within the protection scope of the present invention.

As shown in fig. 1 and fig. 2, an electric motorcycle mid-set motor provided in an embodiment of the present invention includes a motor body 1, a first fixed disk 2 and a second fixed disk 3 respectively fixed at two ends of the motor body 1, and a heat dissipation device 4 disposed on a side wall of the motor body 1, the first fixed disk 2 and the second fixed disk 3 are respectively provided with a plurality of threaded holes, the heat dissipation device 4 includes a U-shaped mounting plate 4-1, a fan 4-2 disposed on a bottom surface of the U-shaped structure of the mounting plate 4-1, a semiconductor refrigeration sheet 4-3 disposed on the bottom surface of the U-shaped structure of the mounting plate 4-1, and a sealing plate 4-4 disposed on the bottom surface of the U-shaped structure of the mounting plate 4-1 and close to one side of the motor body 1, a plurality of threaded holes respectively matched with the first fixed disk 2 and the second fixed disk 3 are disposed on side walls at two ends of the U-shaped structure of the mounting plate 4-1, a plurality of exhaust holes are further formed in the bottom surface of the U-shaped structure of the mounting plate 4-1, the end, far away from the cooling fan 4-2, of the mounting plate 4-1, the refrigerating surface of the semiconductor refrigerating sheet 4-3 is located on the surface, close to the motor body 1, of the mounting plate 4-1, the heating surface of the semiconductor refrigerating sheet is located on the surface, far away from the motor body 1, of the mounting plate 4-1, and the cooling fan 4-3 and the electronic refrigerating sheet 4-3 in the cooling device 4 are both electrically connected with a circuit controller of the electric motorcycle.

Preferably, the sealing plate 4-4 comprises a flexible connecting plate connected with the mounting plate 4-1 and a magnet arranged at one end of the flexible connecting plate far away from the mounting plate 4-1, and the magnet is attracted on the motor body 1, so that the sealing performance can be improved, and the sealing plate can be adapted to motor bodies 1 with different sizes.

Preferably, the fan 4-2 is provided with a dust screen for protecting the fan 4-2 and the semiconductor refrigerating sheet 4-3.

Preferably, the two ends of the bottom surface of the U-shaped structure of the mounting plate 4-1 and the surface close to the motor body 1 are respectively provided with a sealing sponge 4-5 for enhancing the sealing performance between the first fixing disc 2 and the second fixing disc 3, because the first fixing disc 2 and the second fixing disc 3 are both circular, the sealing sponge 4-5 has elasticity to enhance the sealing performance and prevent the air flow generated by the fan 4-2 from flowing out.

Preferably, the heating surface of the semiconductor refrigerating sheet 4-3 is provided with heat dissipation fins, so that the heat dissipation capacity of the heating surface of the semiconductor refrigerating sheet 4-3 is improved, and the semiconductor refrigerating sheet 4-3 can work stably.

Preferably, the output shaft of the motor body 1 adopts a universal design of unthreaded hole expansion sleeve and spline connection, and can meet the installation requirements of different chain wheels or synchronous belt wheels.

The working process comprises the following steps: the motor body 1 is fixed on the frame of the electric motorcycle through the first fixed disk 2 and the second fixed disk 3, two ends of the heat dissipation device 4 are respectively fixed on the first fixed disk 2 and the second fixed disk 3 through bolts according to the installation position of the motor body 1 and cover the position, which is not easy to dissipate heat, of the motor body 1, and the magnets of the sealing plates 4-4 are adsorbed on the surface of the motor body 1. A large amount of heat can be generated in the working process of the motor body 1, the fan 4-2 sucks external air to blow across the surface of the motor body 1, meanwhile, the semiconductor refrigerating sheet 4-3 can cool the air flowing through the surface of the motor body 1, the cooling effect is improved, and finally the air flows out of the exhaust holes in the mounting plate 4-1.

In summary, the first fixing disc 2 and the second fixing disc 3 are respectively arranged at the two ends of the motor body 1, so that the motor body 1 can be conveniently installed and fixed, and can be adapted to frames with different sizes; through set up heat abstractor 4 in the motor body 1 outside, can reduce the radiating position of motor body 1 part difficult to through the mode of initiative cooling, improve the stability and the life of motor body 1 work.

It will be evident to those skilled in the art that the utility model is not limited to the details of the foregoing illustrative embodiments, and that the present invention may be embodied in other specific forms without departing from the spirit or essential attributes thereof. The present embodiments are therefore to be considered in all respects as illustrative and not restrictive, the scope of the utility model being indicated by the appended claims rather than by the foregoing description, and all changes which come within the meaning and range of equivalency of the claims are therefore intended to be embraced therein. Any reference sign in a claim should not be construed as limiting the claim concerned.

Furthermore, it should be understood that although the present description refers to embodiments, not every embodiment may contain only a single embodiment, and such description is for clarity only, and those skilled in the art should make the description as a whole, and the embodiments may be appropriately combined to form other embodiments understood by those skilled in the art.

Claims

1. A middle motor of an electric motorcycle is characterized by comprising a motor body (1), a first fixed disk (2) and a second fixed disk (3) which are respectively fixed at two ends of the motor body (1), and a heat dissipation device (4) arranged on the side wall of the motor body (1), wherein a plurality of threaded holes are respectively arranged on the first fixed disk (2) and the second fixed disk (3), the heat dissipation device (4) comprises a U-shaped mounting plate (4-1), a fan (4-2) arranged on the bottom surface of the U-shaped structure of the mounting plate (4-1), a semiconductor refrigeration sheet (4-3) arranged on the bottom surface of the U-shaped structure of the mounting plate (4-1), and a sealing plate (4-4) arranged on the bottom surface of the U-shaped structure of the mounting plate (4-1) and close to one side of the motor body (1), be provided with a plurality of screw hole that matches with first fixed disk (2) and second fixed disk (3) respectively on the both ends lateral wall of the U type structure of mounting panel (4-1), keep away from radiator fan (4-2) one end on the bottom surface of the U type structure of mounting panel (4-1) and still seted up a plurality of exhaust hole, the refrigeration face of semiconductor refrigeration piece (4-3) is located the one side that mounting panel (4-1) is close to motor body (1), the face that generates heat is located the one side that motor body (1) was kept away from in mounting panel (4-1).

2. The mid-motor of the electric motorcycle as claimed in claim 1, wherein the sealing plate (4-4) includes a flexible connecting plate connected to the mounting plate (4-1) and a magnet disposed at an end of the flexible connecting plate remote from the mounting plate (4-1).

3. The mid-motor of the electric motorcycle as claimed in claim 1, wherein a dust screen is provided on the fan (4-2).

4. The mid-motor of the electric motorcycle as claimed in claim 1, wherein sealing sponges (4-5) for enhancing the sealing performance between the first fixing disc (2) and the second fixing disc (3) are respectively arranged at two ends of the bottom surface of the U-shaped structure of the mounting plate (4-1) and the surface of the motor body (1) close to the motor body.

5. The mid-motor of the electric motorcycle as claimed in claim 1, wherein the heating surface of the semiconductor cooling plate (4-3) is provided with heat dissipating fins.

6. The mid-motor of the electric motorcycle as claimed in claim 1, wherein the output shaft of the motor body (1) adopts a general design of smooth hole expansion sleeve and spline connection.