CN115001170A

CN115001170A - In-wheel motor

Info

Publication number: CN115001170A
Application number: CN202210656070.7A
Authority: CN
Inventors: 秦岭; 宋泽新; 蒋生富; 秦存鸿
Original assignee: Jiangsu Huayuan Explosion Proof Motor Co ltd
Current assignee: Jiangsu Huayuan Explosion Proof Motor Co ltd
Priority date: 2022-06-10
Filing date: 2022-06-10
Publication date: 2022-09-02
Anticipated expiration: 2042-06-10
Also published as: CN115001170B

Abstract

The invention discloses a hub motor which comprises an automobile tire, a tire framework, an external rotor, a single-tooth casting stator, a hub bearing system, an integrated electronic element, a metal gasket, a bell-shaped sealing ring and a vehicle suspension, wherein the tire framework is installed on the automobile tire, the external rotor is placed in the automobile tire, the single-tooth casting stator is arranged in the external rotor, the hub bearing system is connected onto the single-tooth casting stator, the integrated electronic element is arranged in the single-tooth casting stator, the metal gasket is installed in the integrated electronic element, the bell-shaped sealing ring is installed on the metal gasket, a brake caliper is installed in the bell-shaped sealing ring, and a brake disc and the vehicle suspension are connected onto the bell-shaped sealing ring. The invention relieves and releases the huge vibration force in the single-tooth cast stator by arranging the limiting sliding chute, the buffer and other mechanisms in the single-tooth cast stator, and has the function of effectively protecting tires, a framework and the whole motor.

Description

In-wheel motor

Technical Field

The invention relates to the technical field of hub motors, in particular to a hub motor.

Background

The hub motor is an independent motor installed on an automobile tire, and the hub motor technology is also called as in-wheel motor technology, and is characterized in that a power device, a transmission device and a braking device are integrated into a hub, so that the mechanical part of an electric vehicle is greatly simplified, but the huge friction force and vibration force of the hub motor can damage the motor when in use, and the service life is influenced.

The prior art, for example, application No. 201611204403.3, discloses that the high speed operation of the bearing of an in-wheel motor in use cannot well release the friction and vibration of the motor, and the service life and the age of the whole motor are damaged.

Therefore, it is necessary to invent an in-wheel motor to solve the above problems.

Disclosure of Invention

The invention aims to provide an in-wheel motor, which solves the problems that in the prior art, the in-wheel motor cannot constantly keep lubrication and weaken the force of vibration in normal use.

In order to achieve the above purpose, the invention provides the following technical scheme: a wheel hub motor comprises an automobile tire, a tire framework, an external rotor, a single-tooth casting stator, a wheel hub bearing system, an integrated electronic element, a metal gasket, a bell-shaped sealing ring and a vehicle suspension, wherein the tire framework is installed on the automobile tire, the external rotor is placed in the automobile tire, the single-tooth casting stator is arranged in the external rotor, the wheel single-tooth casting stator is connected with the wheel hub bearing system, the integrated electronic element is arranged in the single-tooth casting stator, the metal gasket is installed in the integrated electronic element, the bell-shaped sealing ring is installed on the metal gasket, a brake caliper is installed in the bell-shaped sealing ring, and a brake disc and the vehicle suspension are connected to the bell-shaped sealing ring.

Preferably, the exhaust hole has been seted up on the monodentate casting stator, just interior cavity has been seted up in the monodentate casting stator, the bottom is connected with interior separation blade in the cavity, fixedly connected with pull ring on the interior separation blade, pull ring fixed connection is in spacing spout.

Preferably, baffle under the fixedly connected with on the pull ring, fixedly connected with spring one end on the baffle down, spring other end fixedly connected with blotter, be provided with cylindrical arch on the blotter, and its arch stretches into in the impact column.

Preferably, a hollow groove with the diameter matched with that of the bulge arranged on the cushion pad is arranged in the impact column, and an upper baffle is fixedly connected to the impact column.

Preferably, the upper baffle and the lower baffle are both arc-shaped plates, the radian of the upper baffle is the same as that of the lower baffle, and the radian of the upper baffle and the radian of the lower baffle are matched with the surface radian of the inner blocking piece.

Preferably, the hub bearing system is composed of a front end bearing, an inner gasket, a threaded rod, a flange, an engine oil hole, a bearing ball, a cavity and an engine oil capsule.

Preferably, an inner gasket is connected to the front end bearing, a threaded rod is fixedly connected to the inner gasket and is in threaded connection with the front end bearing, and a flange is connected to the inner gasket.

Preferably, the inner gasket is provided with an engine oil hole, the inner gasket is uniformly provided with bearing balls, the inner gasket is internally provided with a cavity, the engine oil hole is three, and the engine oil hole is provided with an engine oil capsule.

Preferably, two rectangular openings are formed in the integrated electronic component, and the integrated electronic component is fixedly connected with a capacitor ring.

In the technical scheme, the invention provides the following technical effects and advantages:

1. the mechanism such as a limiting chute and a buffer is arranged in the single-tooth cast stator, and the force of huge vibration received in the single-tooth cast stator is relieved and released through a series of mechanisms such as a plurality of sliding plates, springs, pull rings and the like, so that the tire, the framework and the whole motor can be effectively protected;

2. the effect of antiskid fixed connection is played through the interior gasket on the wheel hub bearing system to and the bearing ball in the interior gasket can be effectual to the protection of bearing when rotating, and oil to gasket and whole bearing system through the machine oil hole on the interior gasket, simultaneously, under the effect of cavity, machine oil can circulate to each bearing ball on, the circulation is good.

Drawings

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

FIG. 2 is a schematic perspective view of a tire frame according to the present invention;

FIG. 3 is an exploded perspective view of the present invention in its entirety;

FIG. 4 is a schematic perspective view of a flange according to the present invention;

FIG. 5 is a schematic perspective view of a ball bearing of the present invention

FIG. 6 is a perspective cross-sectional view of a cavity of the present invention

FIG. 7 is a schematic perspective view of a front end bearing according to the present invention

FIG. 8 is a schematic perspective view of a vent hole of the present invention

FIG. 9 is a schematic perspective view of the inner chamber of the present invention;

fig. 10 is an enlarged view of a portion a of fig. 9 according to the present invention.

Description of reference numerals:

1. automobile tires; 2. a tire frame; 3. an external rotor; 4. casting the stator with single tooth; 401. an exhaust hole; 402. an inner cavity; 403. an inner baffle plate; 404. a limiting chute; 405. a pull ring; 406. a lower baffle plate; 407. a spring; 408. a cushion pad; 409. an impact column; 410. an upper baffle plate; 5. a hub bearing system; 501. a front end bearing; 502. an inner gasket; 503. a threaded rod; 504. a flange; 505. an engine oil hole; 506. a bearing ball; 507. a cavity; 508. engine oil capsules; 6. an integrated electronic component; 601. a capacitive ring; 7. a metal gasket; 8. a bell-shaped seal ring; 9. a brake caliper; 10. braking a disc; 11. a vehicle suspension.

Detailed Description

In order to make those skilled in the art better understand the technical solution of the present invention, the present invention will be further described in detail with reference to the accompanying drawings.

The invention provides a hub motor as shown in figures 1-10, which comprises an automobile tire 1, a tire framework 2, an external rotor 3, a single-tooth casting stator 4, a hub bearing system 5, an integrated electronic component 6, a metal gasket 7, a bell-shaped sealing ring 8 and a vehicle suspension 11, wherein the tire framework 2 is installed on the automobile tire 1, the external rotor 3 is placed in the automobile tire 1, the single-tooth casting stator 4 is arranged in the external rotor 3, the wheel single-tooth casting stator 4 is connected with the hub bearing system 5, the integrated electronic component 6 is arranged in the single-tooth casting stator 4, the metal gasket 7 is installed in the integrated electronic component 6, the bell-shaped sealing ring 8 is installed on the metal gasket 7, a brake caliper 9 is installed in the bell-shaped sealing ring 8, and a brake disc 10 and the vehicle suspension 11 are connected on the bell-shaped sealing ring 8.

Exhaust holes 401 are formed in the single-tooth casting stator 4, an inner cavity 402 is formed in the single-tooth casting stator 4, an inner blocking piece 403 is connected to the bottom in the inner cavity 402, a pull ring 405 is fixedly connected to the inner blocking piece 403, and the pull ring 405 is fixedly connected to the limiting sliding groove 404.

Fixedly connected with down baffle 406 on the pull ring 405, fixedly connected with spring 407 one end on the baffle 406 down, spring 407 other end fixedly connected with blotter 408, be provided with cylindrical arch on the blotter 408, and its arch stretches into in the impact post 409.

A hollow groove with the diameter matched with the diameter of a protrusion arranged on the cushion pad 408 is arranged in the impact column 409, an upper baffle plate 410 is fixedly connected to the impact column 409, the upper baffle plate 410 and the lower baffle plate 406 are both arc-shaped plates, the radians of the upper baffle plate 410 and the lower baffle plate 406 are the same, and the radians of the upper baffle plate 410 and the lower baffle plate 406 are matched with the surface radian of the inner baffle plate 403.

The wheel hub bearing system 5 is composed of a front end bearing 501, an inner gasket 502, a threaded rod 503, a flange 504, an engine oil hole 505, a bearing ball 506, a cavity 507 and an engine oil capsule 508, wherein the front end bearing 501 is connected with the inner gasket 502, the threaded rod 503 is fixedly connected to the inner gasket 502, the threaded rod 503 is in threaded connection with the front end bearing 501, and the flange 504 is connected to the inner gasket 502.

The oil hole 505 has been seted up on the inner gasket 502, evenly is provided with bearing ball 506 in the inner gasket 502, has seted up cavity 507 in the inner gasket 502, and oil hole 505 is provided with threely, and all installs machine oil capsule 508 on the three oil hole 505, has seted up two rectangle openings on the integrated electronic component 6, and fixedly connected with capacitor ring 601 on the integrated electronic component 6.

The working principle of the invention is as follows:

referring to the attached drawings 1-5 of the specification, when the device is used, firstly, a tire framework 2 on an automobile tire 1 plays a supporting role, a hub bearing system 5 is arranged in the tire framework 2, an external rotor 3, a single-tooth casting stator 4 and the hub bearing system 5 are arranged in the automobile tire 1, an integrated electronic component 6 is arranged in the single-tooth casting stator 4, a metal gasket 7 and a bell-shaped sealing ring 8 are assembled, a brake caliper 9 is arranged in the single-tooth casting stator 4, a brake disc 10 and a vehicle suspension 11 are connected with a central control center of a vehicle, and the whole motor is arranged (the prior art is adopted, and excessive explanation is not performed);

referring to the description and the attached drawings of fig. 5-10, when the device is used, the installed hub bearing system 5 can rotate at a high speed when in use, a surface film of the engine oil capsule 508 can be wiped off when the device rotates, and engine oil in the engine oil capsule 508 flows onto each bearing ball 506 along the cavity 507, so that the hub bearing system 5 can be kept lubricated constantly when in use, and the effect of adding permanent lubrication at one time can also be ensured by adding the engine oil through the engine oil hole 505 exposed outside;

when the wheel hub bearing system 5 is in use, a vibration force can be generated, and the vibration force can generate offset damage to the whole motor, the automobile tire 1 and the tire frame 2 when being too large, so that after the force received by the wheel hub bearing system 5 is transmitted to the single-tooth cast stator 4, the upper baffle plate 410 in the single-tooth cast stator 4 can transmit the force to the impact column 409 and the buffer pad 408, the impact column 409 and the buffer pad 408 can relieve part of the force through continuous extension and retraction, the force is transmitted to the spring 407 and is released by continuous deformation of the spring 407, finally the rest force is transmitted to the lower baffle plate 406, the last force is absorbed through short-distance displacement of the pull ring 405 at the bottom of the lower baffle plate 406 in the limiting sliding groove 404 until the vibration is finally weakened, the automobile tire 1 and the tire frame 2 are effectively protected, normal running of the vehicle is ensured, and the motor is normally used.

Claims

1. The utility model provides an in-wheel motor, includes automobile tire (1), tire skeleton (2), external rotor (3), single-tooth casting stator (4), wheel hub bearing system (5), integrated electronic component (6), metal gasket (7), bell type sealing washer (8) and vehicle suspension (11), its characterized in that: the automobile tire is characterized in that a tire framework (2) is mounted on the automobile tire (1), an external rotor (3) is placed in the automobile tire (1), a single-tooth casting stator (4) is arranged in the external rotor (3), a hub bearing system (5) is connected to the single-tooth casting stator (4), an integrated electronic element (6) is arranged in the single-tooth casting stator (4), a metal gasket (7) is mounted in the integrated electronic element (6), a bell-shaped sealing ring (8) is mounted on the metal gasket (7), a braking caliper (9) is mounted in the bell-shaped sealing ring (8), and a braking disc (10) and a vehicle suspension (11) are connected to the bell-shaped sealing ring (8).

2. An in-wheel motor according to claim 1, wherein: exhaust hole (401) has been seted up on monodentate casting stator (4), just interior cavity (402) has been seted up in monodentate casting stator (4), the bottom is connected with interior separation blade (403) in interior cavity (402), fixedly connected with pull ring (405) on interior separation blade (403), pull ring (405) fixed connection is in spacing spout (404).

3. An in-wheel motor according to claim 2, wherein: the pull ring (405) is fixedly connected with a lower baffle (406), the lower baffle (406) is fixedly connected with one end of a spring (407), the other end of the spring (407) is fixedly connected with a cushion pad (408), the cushion pad (408) is provided with a cylindrical protrusion, and the protrusion of the cylindrical protrusion extends into the impact column (409).

4. An in-wheel motor according to claim 3, wherein: the shock post (409) is internally provided with a hollow groove with the diameter matched with the diameter of a bulge arranged on the buffer pad (408), and the shock post (409) is fixedly connected with an upper baffle (410).

5. An in-wheel motor according to claim 4, wherein: the upper baffle plate (410) and the lower baffle plate (406) are both arc-shaped plates, the radian of the upper baffle plate (410) is the same as that of the lower baffle plate (406), and the radian of the upper baffle plate (410) and the radian of the lower baffle plate (406) are matched with that of the surface of the inner baffle plate (403).

6. An in-wheel motor according to claim 1, wherein: the hub bearing system (5) is composed of a front end bearing (501), an inner gasket (502), a threaded rod (503), a flange (504), an engine oil hole (505), a bearing ball (506), a cavity (507) and an engine oil capsule (508).

7. An in-wheel motor according to claim 6, wherein: the front end bearing (501) is connected with an inner gasket (502), the inner gasket (502) is fixedly connected with a threaded rod (503), the threaded rod (503) is in threaded connection with the front end bearing (501), and the inner gasket (502) is connected with a flange (504).

8. An in-wheel motor according to claim 7, wherein: seted up machine oil hole (505) on interior gasket (502), evenly be provided with bearing ball (506) in interior gasket (502), seted up cavity (507) in interior gasket (502), machine oil hole (505) are provided with threely, and three all install organic oil capsule (508) on machine oil hole (505).

9. An in-wheel motor according to claim 1, wherein: two rectangular openings are formed in the integrated electronic element (6), and a capacitor ring (601) is fixedly connected to the integrated electronic element (6).