CN219544482U

CN219544482U - New energy vehicle wheel hub motor

Info

Publication number: CN219544482U
Application number: CN202320999263.2U
Authority: CN
Inventors: 王丽
Original assignee: Zhejiang Top Motoring Technology Co ltd
Current assignee: Zhejiang Top Motoring Technology Co ltd
Priority date: 2023-04-28
Filing date: 2023-04-28
Publication date: 2023-08-18
Anticipated expiration: 2033-04-28

Abstract

The utility model relates to a new energy vehicle hub motor, which comprises a rubber outer ring, wherein a metal collar is arranged on the inner ring of the rubber outer ring, an external rotor is fixedly connected to the right side of the central position of the inner ring of the metal collar, reinforcing ribs are fixedly connected to the left side surface of the metal collar, metal structure ribs are uniformly arranged on the surface of the external rotor, a disc is arranged at the central position of the external rotor, heat dissipation metal nets are arranged between the metal structure ribs, and the right side of the central position of the disc is connected with an output shaft of the hub motor; the external rotor is cylindric, and the in-wheel motor has been placed to inside cavity, and external rotor right side is equipped with the safety cover, the safety cover right side is equipped with the brake disc, the brake disc front end is equipped with brake caliper, and whole in-wheel motor stability can be good, and brake effect is stable, and structural strength is big, and the radiating effect is good.

Description

New energy vehicle wheel hub motor

Technical Field

The utility model relates to the technical field of hub motors, in particular to a new energy vehicle hub motor.

Background

The 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 hub, so that mechanical parts of related equipment such as an electric vehicle and the like are greatly simplified, the hub motor technology is commonly used in the fields of electric bicycles, self-balancing wheelbarrows and the like, the existing new energy automobiles are widely applied in rapid development, the patent publication No. CN2121571U is a double-shaft type speed changer, a driving shaft, a driven shaft and transmission gears with different ratio sizes are arranged on the two shafts, an inner sleeve wheel and outer sleeve wheels with different sizes are sleeved on the transmission shaft, spiral gear teeth of each outer sleeve wheel are meshed with spiral gear teeth of each outer sleeve wheel, the inner sleeve wheel moves at the same speed together with the outer sleeve wheel, a pulling control rod drives a braking pin through a connecting rod, the inner sleeve wheel can slide out to be meshed with meshed teeth fixed on the driven shaft, namely, a gear is hung up, the driven shaft is driven to rotate at a low speed or medium speed and high speed in a reverse direction, and the speed change is realized.

The grant publication number CN202021552589.3 discloses a hub motor, which is driven by a hub, a motor and a reduction mechanism; the hub is rotationally sleeved on the periphery of the motor; one end of the speed reducing mechanism is connected to the motor, and the other end of the speed reducing mechanism is connected to the hub; the motor includes: the motor comprises a front end cover, a rear end cover, an iron core, an outer rotor and a motor shaft; the speed reducing mechanism includes: a plurality of planet gears, a plurality of shaft pins and an inner gear ring; the planetary gears are respectively connected to the rear end cover through a plurality of shaft pins in a rotating way and meshed with the motor shaft; the inner gear ring is fixedly connected to the hub and meshed with the plurality of planetary gears; the hub motor also comprises an electromagnetic brake device; the electromagnetic brake device is mounted to the front end cover. The wheel hub motor carries out integrated design with electromagnetism device, motor and the reducing gear and installs in wheel hub for wheel hub motor can be applied to the wheelchair, and the commonality is higher, but the device has certain problem: the heat dissipation effect is poor, and the brake is unstable.

Disclosure of Invention

The utility model aims at overcoming the defects of the prior art, and the power system, the transmission system and the brake system can be integrated in one automobile tire by utilizing the heat dissipation metal net and the hub motor, and the heat dissipation performance is good, so that the technical problems of poor heat dissipation effect and unstable brake in the prior art are solved.

In order to achieve the above purpose, the present utility model provides the following technical solutions:

the novel energy vehicle wheel hub motor comprises a rubber outer ring, wherein a metal collar is arranged on an inner ring of the rubber outer ring, an external rotor is fixedly connected to the right side of the center position of the inner ring of the metal collar, reinforcing ribs are fixedly connected to the left side surface of the metal collar, metal structural ribs are uniformly arranged on the surface of the external rotor, a disc is arranged at the center position of the external rotor, heat dissipation metal nets are arranged between the metal structural ribs, and the right side of the center position of the disc is connected with an output shaft of the hub motor;

the external rotor is cylindrical, the hub motor is arranged in the hollow mode, the protection cover is arranged on the right side of the external rotor, the brake disc is arranged on the right side of the protection cover, and the brake calipers are arranged at the front end of the brake disc.

As one preference, the fixed disk is connected on the left side of the brake disk, the round hole groove is seted up in fixed disk central point put, and the fixed disk upside and downside all are equipped with spacing connection structure, and the fixed disk front side is equipped with fixed calliper hole.

Preferably, the protective cover is provided with a hole site, a connecting circuit is arranged in the hole site, and the connecting circuit penetrates through the protective cover.

Preferably, the hub motor is a double-shaft speed changer, the left side of an output shaft of the hub motor is fixedly connected with a disc, the right side of the output shaft of the hub motor is fixedly connected with a brake disc, and the right side of the hub motor is in bearing connection with a fixed disc.

As one preferable mode, the limiting connection structure comprises a protruding block, a hole site is formed in the front end of the protruding block, a cylinder is fixedly connected in the hole site, a ball is arranged at the upper end of the cylinder, and a gyro cover is arranged on the outer side of the ball.

The utility model has the beneficial effects that:

(1) According to the utility model, the external rotor is arranged, the cylindrical shape of the external rotor is used for protecting the covered internal parts, then the left side surface of the external rotor is provided with the metal structural ribs to increase the structural strength, and the metal structural ribs are connected by the heat dissipation metal net, so that the overall heat dissipation effect can be ensured.

(2) According to the utility model, the hub motor is arranged, the hub motor is a double-shaft speed changer, the right output shaft of the hub motor is fixedly connected with the brake disc, the brake is realized by utilizing the brake disc and the brake calipers, the brake calipers are fixedly connected with the fixed disc, and the fixed disc is in bearing connection with the output shaft of the hub motor, so that the fixed disc is fixed, and the overall stability is ensured.

In conclusion, the device has the advantages of simple structure, simple principle, good heat dissipation performance and good stability, and is particularly suitable for the technical field of hub motors.

Drawings

In order to more clearly illustrate the technical solutions of the embodiments of the present utility model, the drawings required for the description of the embodiments will be briefly described below, it being obvious that the drawings described below are only some embodiments of the present utility model, and that other drawings may be obtained according to these drawings without inventive effort for a person skilled in the art.

FIG. 1 is a schematic diagram of the overall structure of the present utility model.

Fig. 2 is a schematic structural view of an external rotor according to the present utility model.

Fig. 3 is a schematic view of a position structure of an in-wheel motor according to the present utility model.

Fig. 4 is a schematic structural view of a fixing plate in the present utility model.

Fig. 5 is a schematic structural view of the reinforcing rib in the present utility model.

Detailed Description

The technical solutions in the embodiments of the present utility model are clearly and completely described below with reference to the accompanying drawings.

Example 1

As shown in fig. 1 to 5, the utility model provides a new energy vehicle wheel hub motor, which comprises a rubber outer ring 1, wherein a metal clamping ring 2 is arranged on the inner ring of the rubber outer ring 1, an external rotor 3 is fixedly connected to the right side of the central position of the inner ring of the metal clamping ring 2, reinforcing ribs 21 are fixedly connected to the left side surface of the metal clamping ring 2, metal structure ribs 31 are uniformly arranged on the surface of the external rotor 3, a disc 32 is arranged at the central position of the external rotor 3, heat dissipation metal nets 33 are arranged between the metal structure ribs 31, and the right side of the central position of the disc 32 is connected with an output shaft of the wheel hub motor 4;

the external rotor 3, external rotor 3 is cylindric, and inside cavity has placed in-wheel motor 4, and external rotor 3 right side is equipped with safety cover 34, the safety cover 34 right side is equipped with brake dish 5, brake dish 5 front end is equipped with brake caliper 51.

Further, the fixed disk 52 is connected to the brake disk 5 left side, the round hole groove 521 has been seted up to fixed disk 52 central point put, and fixed disk 52 upside down all is equipped with spacing connection structure 53, and fixed disk 52 front side is equipped with fixed caliper hole 522, and fixed disk 52 carries out fixed connection with in-wheel motor 4 shell, and in-wheel motor 4 is motionless like this, and fixed disk 52 is steady also motionless, and the round hole groove 521 is used for running through the output shaft of bearing connection in-wheel motor 4 moreover, ensures in-wheel motor 4 at the in-process of motion, can not influence the stability performance of fixed disk 52.

Further, a hole site is formed in the protective cover 34, a connection line 341 is disposed in the hole site, the connection line 341 penetrates through the protective cover 34, the hole site formed in the protective cover 34 can be communicated with the outside, so that the connection line 341 transmits signals, intelligent control is performed, the connection line 341 is electrically connected with the hub motor 4, and accordingly variable speed motion of the hub motor 4 is controlled.

Further, the hub motor 4 is a double-shaft type speed changer, the left side of an output shaft of the hub motor 4 is fixedly connected with the disc 32, the right side is fixedly connected with the brake disc 5, the right side bearing of the hub motor 4 is connected with the fixed disc 52, a large number of transmission parts can be omitted, the arrangement space is saved, the complexity of the structure is reduced, the transmission efficiency is improved, various complex driving modes are realized, and the control is convenient.

Still further, the limiting connection structure 53 includes a protruding block 531, a hole site is provided at the front end of the protruding block 531, a cylinder 532 is fixedly connected in the hole site, a ball 533 is provided at the upper end of the cylinder 532, a gyro cover 534 is covered outside the ball 533, the limiting connection structure 53 is used to limit the positions of the brake disc 5 and the brake caliper 51, and the gyro cover 534 is covered outside the ball 533 at the upper and lower ends, so that the whole fixing disc 52 and other structures can be stably and fixedly connected.

The working process comprises the following steps: firstly, a hub motor 4 is a double-shaft speed changer, output shafts are arranged on the left side and the right side of the hub motor, the left side output shafts are fixedly connected with a disc 32, the disc is fixedly connected with a metal clamping ring 2, a rubber outer ring 1 is sleeved outside the metal clamping ring 2 to form a finished tire, then the right side output shaft of the hub motor 4 is fixedly connected with a brake disc 5, a brake caliper 51 is arranged on the front side of the brake disc 5, the brake caliper 51 is electrically connected with an external electric control system through a circuit to realize braking, a fixed disc 52 is arranged on the outer ring of the brake disc 5, the fixed disc 52 is fixedly connected with the outer shell of the hub motor 4, the stability is good, a fixed caliper hole 522 is formed in the fixed disc 52 and used for fixing the brake caliper 51, the set braking is more stable, and the safety coefficient is high;

the external rotor 3 is covered on the outer side of the hub motor 4, the right side of the external rotor 3 is provided with a protective cover 34 for protecting the whole hub motor 4 inside, the service life of the hub motor 4 is ensured, the external rotor 3 is provided with metal structure ribs 31, the overall structural strength and impact resistance are ensured, and a heat dissipation metal net 33 is arranged between the metal structure ribs 31, so that the heat dissipation effect of the motor is ensured.

In the description of the present utility model, it should be understood that the directions or positional relationships indicated by the terms "front and rear", "left and right", etc. are based on the directions or positional relationships shown in the drawings, are merely for convenience of description and simplification of the description, and do not indicate or imply that the apparatus or component in question must have a specific orientation, be constructed and operated in a specific orientation, and therefore should not be construed as limiting the utility model.

Of course, in this disclosure, those skilled in the art will understand that the term "a" or "an" is to be interpreted as "at least one" or "one or more," i.e., in one embodiment, the number of elements may be one, and in another embodiment, the number of elements may be multiple, and the term "a" is not to be construed as limiting the number.

The foregoing is merely a preferred embodiment of the present utility model, but the scope of the present utility model is not limited thereto, and any changes or substitutions easily conceivable by those skilled in the art under the technical teaching of the present utility model should be included in the scope of the present utility model. Therefore, the protection scope of the present utility model should be subject to the protection scope of the claims.

Claims

1. The utility model provides a new forms of energy wheel hub motor which characterized in that: comprising

The novel electric motor comprises a rubber outer ring (1), wherein a metal collar (2) is arranged on an inner ring of the rubber outer ring (1), an external rotor (3) is fixedly connected to the right side of the central position of the inner ring of the metal collar (2), reinforcing ribs (21) are fixedly connected to the left side surface of the metal collar (2), metal structural ribs (31) are uniformly arranged on the surface of the external rotor (3), a disc (32) is arranged at the central position of the external rotor (3), heat dissipation metal nets (33) are arranged between the metal structural ribs (31), and the right side of the central position of the disc (32) is connected with an output shaft of a hub motor (4);

the external rotor (3), external rotor (3) are cylindric, and inside cavity has placed in-wheel motor (4), and external rotor (3) right side is equipped with safety cover (34), safety cover (34) right side is equipped with brake dish (5), brake dish (5) front end is equipped with brake caliper (51).

2. The new energy vehicle hub motor according to claim 1, wherein the left side of the brake disc (5) is connected with a fixed disc (52), a circular hole groove (521) is formed in the center of the fixed disc (52), limiting connection structures (53) are arranged on the upper side and the lower side of the fixed disc (52), and a fixed caliper hole (522) is formed in the front side of the fixed disc (52).

3. The new energy vehicle hub motor according to claim 1, wherein a hole site is formed in the protective cover (34), a connection circuit (341) is arranged in the hole site, and the connection circuit (341) penetrates through the protective cover (34).

4. The new energy vehicle hub motor according to claim 1, wherein the hub motor (4) is a double-shaft type speed changer, the left side of an output shaft of the hub motor (4) is fixedly connected with a disc (32), the right side is fixedly connected with a brake disc (5), and the right side bearing of the hub motor (4) is connected with a fixed disc (52).

5. The new energy vehicle hub motor according to claim 2, wherein the limit connection structure (53) comprises a protruding block (531), a hole site is formed in the front end of the protruding block (531), a cylinder (532) is fixedly connected in the hole site, a ball (533) is arranged at the upper end of the cylinder (532), and a gyro cover (534) is covered on the outer side of the ball (533).