CN213305224U

CN213305224U - Magnesium alloy hub motor of new energy automobile

Info

Publication number: CN213305224U
Application number: CN202021166394.5U
Authority: CN
Inventors: 刘廷坤; 陈连贵; 周厚明; 梁伶俐
Original assignee: Shenzhen Jisheng Huali Technology Co ltd
Current assignee: Shenzhen Jisheng Huali Technology Co ltd
Priority date: 2020-06-22
Filing date: 2020-06-22
Publication date: 2021-05-28
Anticipated expiration: 2030-06-22

Abstract

The utility model discloses a new energy automobile magnesium alloy in-wheel motor, including motor external rotor, bearing, motor stator, magnetic encoder, integrated control unit, shielding seal shell, wheel hub, shaft, the bearing sets up between motor stator, motor external rotor, the motor external rotor sets up the outer end at motor stator, the shaft rotates and sets up in bearing inner, the motor external rotor passes through mounting and wheel hub fixed connection, wheel hub's the fixed tire that is provided with in outer end, magnetic encoder's outer end is provided with the integrated control unit, magnetic encoder's ring body sets up the inner at motor stator, magnetic encoder leans on the outer end to splice in integrated control unit inner. The utility model discloses a new energy automobile magnesium alloy in-wheel motor, this in-wheel motor are made by the magnesium alloy for the quality of whole device alleviates, but overall structure is still stable, and magnesium alloy in-wheel can also the shock attenuation energy-absorbing simultaneously, improves the car and takes the travelling comfort.

Description

Magnesium alloy hub motor of new energy automobile

Technical Field

The utility model relates to the technical field of electric machine, especially, relate to a new energy automobile magnesium alloy in-wheel motor.

Background

The wheel hub motor technology can also be called as wheel built-in motor technology, and is characterized in that a power device, a transmission device and a braking device are integrated into a wheel hub, so that the mechanical part of related equipment such as an electric vehicle and the like is greatly simplified, and the wheel hub motor technology is commonly used in the fields of new energy automobiles and the like.

The conventional hub motor omits the traditional parts such as a clutch, a transmission, a main reducer, a differential mechanism and the like, so the hub-and-resolute type electric automobile has the characteristics of simple whole automobile structure, high transmission efficiency, low failure rate and the like, and can realize electronic differential control on electric wheels through a control technology, but the conventional hub motor of the automobile is generally made of aluminum alloy and the like at present, so that unsprung mass of the hub is large, and the control performance of the automobile is greatly influenced.

SUMMERY OF THE UTILITY MODEL

The utility model aims at solving the defects existing in the prior art and providing a new energy automobile magnesium alloy wheel hub motor.

In order to achieve the above purpose, the utility model adopts the following technical scheme: a magnesium alloy wheel hub motor of a new energy automobile comprises a motor outer rotor, a bearing, a motor stator, a magnetic encoder, an integrated control unit, a shielding sealing shell, a wheel hub and a wheel shaft, wherein the bearing is arranged between the motor stator and the motor outer rotor, the motor outer rotor is arranged at the outer end of the motor stator, the wheel shaft is rotatably arranged at the inner end of the bearing, the motor outer rotor is fixedly connected with the wheel hub through a fixing piece, a tire is fixedly arranged at the outer end of the wheel hub, the integrated control unit is arranged at the outer end of the magnetic encoder, a ring body of the magnetic encoder is arranged at the inner end of the motor stator, the magnetic encoder is embedded at the inner end of the integrated control unit close to the outer end, the shielding sealing shell is arranged at the outer end of the integrated control unit, a brake disc is arranged at the outer end of the shielding sealing, the outer end of the bearing penetrates through the motor stator, the integrated control unit, the shielding sealing shell, the brake caliper and the steering knuckle to be fixedly connected.

As a further description of the above technical solution:

the motor outer rotor, the motor stator, the magnetic encoder, the integrated control unit, the shielding sealing shell, the brake disc and the steering knuckle are all sleeved at the outer end of the bearing.

As a further description of the above technical solution:

the hub is made of magnesium alloy materials.

As a further description of the above technical solution:

a plurality of clamping rods are fixedly connected to the front wall of the bearing, and a plurality of first fixing holes are formed in the center of the outer rotor of the motor.

As a further description of the above technical solution:

the outer ends of the clamping rods penetrate through the second fixing holes and the first fixing holes in sequence and are fixedly connected to the hub.

As a further description of the above technical solution:

the rear side end of the outer rotor of the brake disc motor is fixedly connected to the side of the front end of the outer rotor of the motor outer rotor motor through a plurality of screws.

The utility model discloses following beneficial effect has:

compared with the existing device, the hub motor is made of magnesium alloy, so that the mass of the whole device is reduced, the structural stability is obtained, meanwhile, all parts in the motor are simple to connect, the connection is stable, the design of a large number of connecting pieces is omitted, the weight of the whole device is reduced, the motor can be lightened, the unsprung mass of the hub is reduced, and the control performance of the motor is improved; the magnesium alloy wheel hub can also absorb shock and energy, and the riding comfort of the automobile is improved.

Drawings

Fig. 1 is a schematic part view of a magnesium alloy hub motor for a new energy vehicle provided by the utility model;

fig. 2 is a front view of a magnesium alloy hub motor of a new energy vehicle provided by the utility model;

fig. 3 is the utility model provides a new energy automobile magnesium alloy in-wheel motor's side view.

Illustration of the drawings:

1. an outer rotor of the motor; 2. a bearing; 3. a motor stator; 4. a magnetic encoder; 5. an integrated control unit; 6. a shielding containment; 7. a brake disc; 8. a brake caliper; 9. a tire; 10. a hub; 11. a wheel axle; 12. a knuckle; 101. a first fixing hole; 201. and (5) clamping the rod.

Detailed Description

The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative work belong to the protection scope of the present invention.

In the description of the present invention, it should be noted that the terms "center", "upper", "lower", "left", "right", "vertical", "horizontal", "inner", "outer", and the like indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings, and are only for convenience of description and simplification of description, but do not indicate or imply that the device or element referred to must have a specific orientation, be constructed and operated in a specific orientation, and thus, should not be construed as limiting the present invention; the terms "first," "second," and "third" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance, and furthermore, unless otherwise explicitly stated or limited, the terms "mounted," "connected," and "connected" are to be construed broadly and may be, for example, fixedly connected, detachably connected, or integrally connected; can be mechanically or electrically connected; they may be connected directly or indirectly through intervening media, or they may be interconnected between two elements. The specific meaning of the above terms in the present invention can be understood in specific cases to those skilled in the art.

Referring to fig. 1-3, the present invention provides an embodiment: a magnesium alloy wheel hub motor of a new energy automobile comprises a motor outer rotor 1, a bearing 2, a motor stator 3, a magnetic encoder 4, an integrated control unit 5, a shielding sealing shell 6, a wheel hub 10 and a wheel shaft 11, wherein the bearing 2 is arranged between the motor stator 3 and the motor outer rotor 1, the motor outer rotor 1 is arranged at the outer end of the motor stator 3, the wheel shaft 11 is rotatably arranged at the inner end of the bearing 2, the motor outer rotor 1 is fixedly connected with the wheel hub 10 through a fixing piece, a tire 9 is fixedly arranged at the outer end of the wheel hub 10, the integrated control unit 5 is arranged at the outer end of the magnetic encoder 4, a ring body of the magnetic encoder 4 is arranged at the inner end of the motor stator 3, the magnetic encoder 4 is embedded at the inner end of the integrated control unit 5 close to the outer end, the shielding sealing shell 6 is arranged at the outer end of the integrated control unit, the outer end of the brake caliper 8 is provided with a steering knuckle 12, and the outer end of the bearing 2 penetrates through the motor stator 3, the integrated control unit 5, the shielding sealing shell 6, the brake caliper 8 and the steering knuckle 12 to be fixedly connected.

Motor external rotor 1, motor stator 3, magnetic encoder 4, integrated control unit 5, shielding seal shell 6, brake disc 7, knuckle 12 all overlaps and establishes the outer end at bearing 2, wheel hub 10 is made by magnesium alloy material, many kellies 201 of fixedly connected with on the antetheca of bearing 2, a plurality of fixed orificess 101 have been seted up to motor external rotor 1's center department, a plurality of fixed orificess 101 are run through to many kellies 201's outer end, a plurality of fixed orificess 101 and fixed connection are on wheel hub 10, this design makes and can stable connection between whole motor external rotor 1 and motor stator 3 and the bearing 2, the design of connecting piece has been saved simultaneously, the back side of brake disc 7 is through many screw fixed connection at motor external rotor 1 front end avris.

The working principle is as follows: this in-wheel motor is made by the magnesium alloy for the quality of whole device alleviates, but structural stability obtains, and each part connection is simple in the motor simultaneously, but connects stably, has saved the design of a large amount of connecting pieces, makes the weight of whole device obtain reducing, makes the motor can the lightweight, reduces wheel hub unsprung mass, makes the control performance of motor obtain promoting, and magnesium alloy wheel hub can also the shock attenuation energy-absorbing simultaneously, improves the car and takes the travelling comfort.

Finally, it should be noted that: although the present invention has been described in detail with reference to the foregoing embodiments, it will be apparent to those skilled in the art that modifications and variations can be made in the embodiments or in part of the technical features of the embodiments without departing from the spirit and the scope of the invention.

Claims

1. The utility model provides a new energy automobile magnesium alloy in-wheel motor, includes motor outer rotor (1), bearing (2), motor stator (3), magnetic encoder (4), integrated control unit (5), shielding seal shell (6), wheel hub (10), shaft (11), its characterized in that: the bearing (2) is arranged between the motor stator (3) and the motor outer rotor (1), the motor outer rotor (1) is arranged at the outer end of the motor stator (3), the wheel shaft (11) is rotatably arranged at the inner end of the bearing (2), the motor outer rotor (1) is fixedly connected with the wheel hub (10) through a fixing piece, a tire (9) is fixedly arranged at the outer end of the wheel hub (10), an integrated control unit (5) is arranged at the outer end of the magnetic encoder (4), a ring body of the magnetic encoder (4) is arranged at the inner end of the motor stator (3), the magnetic encoder (4) is embedded at the inner end of the integrated control unit (5) close to the outer end, a shielding sealing shell (6) is arranged at the outer end of the integrated control unit (5), a brake disc (7) is arranged at the outer end of the shielding sealing shell (6), and a brake caliper (8) is arranged on the, the outer end of the brake caliper (8) is provided with a steering knuckle (12), and the outer end of the bearing (2) penetrates through the motor stator (3), the integrated control unit (5), the shielding sealing shell (6), the brake caliper (8) and the steering knuckle (12) to be fixedly connected.

2. The magnesium alloy hub motor of the new energy automobile according to claim 1, characterized in that: the motor outer rotor (1), the motor stator (3), the magnetic encoder (4), the integrated control unit (5), the shielding sealing shell (6), the brake disc (7) and the steering knuckle (12) are all sleeved at the outer end of the bearing (2).

3. The magnesium alloy hub motor of the new energy automobile according to claim 1, characterized in that: the hub (10) is made of magnesium alloy materials.

4. The magnesium alloy hub motor of the new energy automobile according to claim 1, characterized in that: the front wall of the bearing (2) is fixedly connected with a plurality of clamping rods (201), and the center of the outer rotor (1) of the motor is provided with a plurality of first fixing holes (101).

5. The magnesium alloy hub motor of the new energy automobile according to claim 4, characterized in that: the outer ends of the clamping rods (201) penetrate through the first fixing holes (101) and are fixedly connected to the hub (10).

6. The magnesium alloy hub motor of the new energy automobile according to claim 1, characterized in that: the rear side end of the brake disc (7) is fixedly connected to the front end side of the outer motor rotor (1) through a plurality of screws.