CN115776192A

CN115776192A - In-wheel motor

Info

Publication number: CN115776192A
Application number: CN202210655978.6A
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: 2023-03-10

Abstract

The invention discloses a hub motor which comprises a hydraulic telescopic rod, heat dissipation holes and a second heat dissipation plate, wherein a damping spring is installed on the periphery of the hydraulic telescopic rod, the heat dissipation holes are formed in the side face of a hub motor body, a large gear and the first small gear are meshed and connected, the large gear and the second small gear are meshed and connected, a first rotating shaft is installed on the inner wall of the first small gear, a first heat dissipation fan is arranged at the end part of the first rotating shaft, and the first heat dissipation plate is connected to the side face of a first mounting plate. According to the invention, through the fixing pieces, the hydraulic telescopic rods, the damping springs, the rubber discs and the connecting pieces which are designed at the two ends of the rotating shaft of the hub motor, not only can the hub motor body be connected with the frame body, but also the hub motor body can be kept stable when encountering a bumpy road surface in the driving process, so that the damping capacity of the hub motor body is greatly improved.

Description

In-wheel motor

Technical Field

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

Background

The wheel hub motor technology is also called as in-wheel motor technology, and the most important characteristic of the wheel hub motor technology is that a power device, a transmission device and a braking device are integrated into a wheel hub, so that the mechanical part of an electric vehicle is greatly simplified, but the heat dissipation performance and the damping performance of most of the existing wheel hub motors are poor, so that the wheel hub motors can generate bad influence in the use process.

At present, for example, publication No. CN212649239U discloses a hub motor with waterproof function in 2021, 3 months and 2 days, which only includes that the connection between the outer ring of the rotor of the hub motor and the heat dissipation outer cover of the first hub motor and the heat dissipation outer cover of the second hub motor is waterproof, in addition, the heat dissipation outer cover of the first hub motor is rotatably connected with the spindle through the first bearing, and the heat dissipation outer cover of the second hub motor is rotatably connected with the spindle through the second bearing, wherein the first bearing and the second bearing are both provided with oil seals, so that waterproof is realized, that is, the hub motor is integrally waterproof, and the design is reasonable, and the hub motor is suitable for production, popularization and application.

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 aims to solve the problems that in the prior art, the heat dissipation effect of the in-wheel motor is poor and the damping effect of the in-wheel motor in the use process is poor.

In order to achieve the above purpose, the invention provides the following technical scheme: the utility model provides an in-wheel motor, includes hydraulic telescoping rod, connecting piece, louvre, ring flange, large gear, a small gear, no. two small gears, heating panel and No. two heating panels, the hydraulic telescoping rod top is connected with the rubber dish, the mounting is installed to the hydraulic telescoping rod bottom, damping spring is installed to hydraulic telescoping rod periphery, damping spring end connection has the rubber dish, the louvre is seted up on in-wheel motor body side, the quantity of louvre sets up to a plurality of, be connected with in-wheel motor axis of rotation on the large gear inner wall, large gear with both meshes the connection of a small gear, large gear with both meshes the connection No. two small gears, install first rotation axis on the small gear inner wall, first rotation axis tip is provided with first radiator fan, be connected with the second rotation axis on No. two small gear inner walls, second rotation axis tip is provided with second radiator fan, first radiator fan is installed in the second radiator fan outside, first radiator fan with both parallel arrangement in the inside one end of in-wheel motor body, connect in the side of mounting panel, be provided with the stator medial surface on No. two the heating panel, be equipped with No. two stator mounting panels on the No. two stator of heating panels.

Preferably: the in-wheel motor body is first aluminum alloy layer, syllable-dividing and second aluminum alloy layer respectively including the three-layer, first aluminum alloy layer is inlayer, the puigging sets up to the intermediate level, second aluminum alloy layer is outmost, no. two ring flanges are all installed to in-wheel motor body both sides, in-wheel motor body internally mounted has electric motor rotor and motor stator.

Preferably: the motor rotor is installed to the intermediate position of in-wheel motor axis of rotation, all be provided with the mounting on the outer wall at in-wheel motor axis of rotation both ends, the socket joint is installed to the mounting inboard for shock-absorbing structure can be connected with this body of in-wheel motor.

Preferably: the socket is arranged on the outer wall of the rotating shaft of the hub motor, the outer surface of the socket is connected with two hubs, and the hubs can be conveniently connected with the hub motor body.

Preferably: the shock absorption mechanism is characterized in that a connecting piece is arranged above the rubber disc, a mounting opening is formed in the surface of the connecting piece, and the mounting opening is circular in shape, so that the upper end of the shock absorption mechanism is connected with the frame.

Preferably, the following components: the inner sides of the heat dissipation holes are provided with a first heat dissipation fan and a second heat dissipation fan which can dissipate heat generated in the hub motor body.

Preferably: a fixing nut is installed on one side of the first flange plate, a second flange plate is arranged on the other side of the first flange plate, and bolts are arranged on the side face of the second flange plate.

Preferably: a second mounting plate is arranged outside the first mounting plate, the first mounting plate and the second mounting plate are arranged in parallel, A first rotating shaft is arranged on the inner side face of the first mounting plate, and a second rotating shaft is arranged on the inner side face of the second mounting plate.

Preferably: first radiator fan below is provided with the heating panel No. two, the heating panel is installed No. one to second radiator fan top, is convenient for absorb the heat of in-wheel motor body inside production.

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

through the fixing parts, the hydraulic telescopic rods, the damping springs, the rubber discs, the connecting pieces and the mounting openings which are designed at the two ends of the rotating shaft of the hub motor, the hub motor body can be quickly and simply connected with the frame body, and the hub motor body can still be kept stable when encountering a bumpy road surface in the actual driving process, so that the damping capacity of the hub motor body is greatly improved;

through the large gear at in-wheel motor body internal design, a small-size gear, first rotation axis, first radiator fan, no. two small-size gears, the second rotation axis, second radiator fan, a heating panel and No. two heating panels and at a plurality of louvres of in-wheel motor body side design, heat dissipation mechanism has been constituted jointly, the heat that comes from in-wheel motor body inside production can be taken first to absorption by a heating panel and No. two heating panels, meanwhile, be located in-wheel motor body inside first radiator fan and second radiator fan and still can discharge the heat to the external world through a plurality of louvres, very big promotion in-wheel motor body's heat dispersion, in-wheel motor body's life has been prolonged.

Drawings

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

FIG. 2 is a schematic perspective view of the hub motor body according to the present invention;

FIG. 3 is a schematic perspective view of a rotating shaft of the hub motor according to the present invention;

FIG. 4 is a perspective exploded view of the shock absorbing spring of the present invention;

FIG. 5 is an exploded view of a first heat dissipation fan according to the present invention;

FIG. 6 is an exploded view of the mounting plate of the present invention;

FIG. 7 is an enlarged schematic view of FIG. 4 at A in accordance with the present invention;

FIG. 8 is a front view of a louver in accordance with the present invention;

FIG. 9 is a side view of the anchor of the present invention;

fig. 10 is a cross-sectional view of the hub motor body according to the present invention.

Description of reference numerals:

1. a hub motor body; 101. a first aluminum alloy layer; 102. a sound insulating layer; 103. a second aluminum alloy layer; 2. a hub motor rotating shaft; 3. a socket; 4. a hub; 5. a fixing member; 6. a hydraulic telescopic rod; 7. a damping spring; 8. a rubber disc; 9. a connecting member; 10. an installation port; 11. heat dissipation holes; 12. a first flange plate; 13. fixing a nut; 14. a second flange plate; 15. a bolt; 16. a first mounting plate; 17. a second mounting plate; 18. a motor rotor; 19. a motor stator; 20. a large gear; 21. a first small gear; 22. a first rotating shaft; 23. a first heat dissipation fan; 24. a second small gear; 25. a second rotation shaft; 26. a second heat dissipation fan; 27. a first heat dissipation plate; 28. and a second heat dissipation plate.

Detailed Description

In order to make the technical solutions of the present invention better understood, those skilled in the art will now describe the present invention in further detail with reference to the accompanying drawings.

The invention provides a hub motor as shown in figures 1-9, which comprises a hydraulic telescopic rod 6, a connecting piece 9, heat dissipation holes 11, a first flange plate 12, a large gear 20, a first small gear 21, a second small gear 24, a first heat dissipation plate 27 and a second heat dissipation plate 28, wherein the top end of the hydraulic telescopic rod 6 is connected with a rubber disc 8, the bottom end of the hydraulic telescopic rod 6 is provided with a fixing piece 5, the periphery of the hydraulic telescopic rod 6 is provided with a damping spring 7, the end part of the damping spring 7 is connected with the rubber disc 8, the heat dissipation holes 11 are formed in the side surface of a hub motor body 1, the number of the heat dissipation holes 11 is set to be a plurality, the inner wall of the large gear 20 is connected with a hub motor rotating shaft 2, the large gear 20 is meshed with the first small gear 21, the large gear 20 is meshed with the second small gear 24, the inner wall of the first small gear 21 is provided with a first rotating shaft 22, the end part of the first heat dissipation fan 23 is arranged at the end part of the first rotating shaft 22, the inner wall of the second small gear 24 is connected with a second rotating shaft 25, the second rotating shaft 25 is arranged at the end part of the second rotating shaft 26, the first heat dissipation fan 23 is arranged on the inner side surface of the second heat dissipation plate 19 of the second heat dissipation plate 16, the hub motor, the first heat dissipation plate 16 is arranged at the inner side surface of the second heat dissipation plate 16, and the second heat dissipation plate 16 of the second heat dissipation motor, the second heat dissipation plate 16, the hub motor, the first heat dissipation fan 23 is arranged below the heat dissipation plate 17, and the heat dissipation plate 17 arranged below the heat dissipation plate 16.

Wheel hub motor body 1 is first aluminum alloy layer 101 respectively including the three-layer, puigging 102 and second aluminum alloy layer 103, first aluminum alloy layer 101 is the inlayer, puigging 102 sets up to the intermediate level, second aluminum alloy layer 103 is outmost, no. two ring flanges 14 are all installed to wheel hub motor body 1 both sides, 1 internally mounted of wheel hub motor body has motor rotor 18 and motor stator 19, motor rotor 18 is installed to wheel hub motor axis of rotation 2's intermediate position, all be provided with mounting 5 on the outer wall at 2 both ends of wheel hub motor axis of rotation, cup joint mouth 3 is installed to 5 inboard mountings.

Socket 3 sets up on 2 outer walls of in-wheel motor axis of rotation, be connected with wheel hub 4 on 3 surfaces of socket, wheel hub 4's quantity sets up to two, 8 tops of rubber disk are provided with connecting piece 9, connecting piece 9 surface has seted up installing port 10, the appearance of installing port 10 sets up to circular, 11 inboards of louvre are provided with first radiator fan 23 and second radiator fan 26, fixation nut 13 is installed to 12 one sides of a ring flange, 12 opposite sides of a ring flange are provided with ring flange 14 No. two, 14 side of ring flange are provided with

bolt

15, 16 outsides of a mounting disc are provided with mounting disc 17 No. two, 16 and 17 two parallel arrangement of each other of mounting disc, 16 medial surfaces of a mounting disc are provided with

first rotation axis

22, 17 medial surfaces of No. two mounting discs have

second rotation axis

25, 23 below is provided with No. two heating panels 28, no. one heating panel 27 is installed to second radiator fan 26 top.

This practical theory of operation:

referring to the attached drawings 1-9 of the specification, when the device is used, firstly, a worker installs a tire on the outer wall of a hub motor body 1, then a connecting piece 9 and a mounting port 10 which are positioned at two sides of the hub motor body 1 are connected with an external frame, after the connecting piece 9 and the mounting port 10 are connected with the external frame, the hub motor body 1 is started, and then a hub motor rotating shaft 2 is driven to rotate, the whole tire can drive forwards, when the hub motor body 1 and the tire drive forwards, and meet a bumpy road surface, a damping structure formed by a hydraulic telescopic rod 6, a damping spring 7 and a rubber disc 8 can damp the hub motor body 1 and the tire to a certain degree, so that the hub motor body 1 and the tire can be more stable in the driving process;

referring to the attached drawings 1-9 of the specification, when the device is used, in the process of long-time driving of the in-wheel motor body 1 and a tire, each part inside the in-wheel motor body 1 can generate more heat, firstly, the first heat dissipation plate 27 and the second heat dissipation plate 28 inside the in-wheel motor body 1 can absorb part of the heat from each part, because the in-wheel motor rotating shaft 2 rotates continuously, the large gear 20 also rotates along with the large gear 20 in the process of rotating the in-wheel motor rotating shaft 2, the rotation of the large gear 20 further drives the rotation of the first small gear 21 and the second small gear 24, the first small gear 21 further drives the first rotating shaft 22 to rotate, the first heat dissipation fan 23 is finally driven to rotate, the first heat dissipation fan 23 can continuously blow the heat to the outside through the plurality of heat dissipation holes 11, meanwhile, the second small gear 24 further drives the second rotating shaft 25 to rotate, the second heat dissipation fan 26 is finally driven to rotate, the second heat dissipation fan 26 can continuously blow the heat to the outside through the plurality of heat dissipation holes 11, the first heat dissipation fan 23 and the second heat dissipation fan 26 can simultaneously, and the heat inside the in-wheel motor body 1 can be greatly reduced.

Claims

1. The utility model provides an in-wheel motor, includes hydraulic telescoping rod (6), connecting piece (9), louvre (11), a ring flange (12), large gear (20), small-size gear (21), no. two small-size gear (24), no. one heating panel (27) and No. two heating panels (28), its characterized in that: the top end of the hydraulic telescopic rod (6) is connected with a rubber disc (8), the bottom end of the hydraulic telescopic rod (6) is provided with a fixing piece (5), the periphery of the hydraulic telescopic rod (6) is provided with a damping spring (7), the end part of the damping spring (7) is connected with the rubber disc (8), the heat dissipation holes (11) are arranged on the side surface of the hub motor body (1), the number of the heat dissipation holes (11) is set to be a plurality of, the inner wall of the large gear (20) is connected with a hub motor rotating shaft (2), the large gear (20) and the first small gear (21) are meshed and connected, the large gear (20) and the second small gear (24) are meshed and connected, the inner wall of the first small gear (21) is provided with a first rotating shaft (22), the end part of the first rotating shaft (22) is provided with a first heat dissipation fan (23), the inner wall of the second small gear (24) is connected with a second rotating shaft (25), the end part of the second rotating shaft (25) is provided with a second heat dissipation fan (26), the first heat dissipation fan (23) is arranged on the outer side surface of the second heat dissipation fan (26) and is arranged on the side surface of the first heat dissipation plate (16) of the hub motor body (1, no. one heating panel (27) top is provided with motor stator (19), no. two heating panels (28) are installed on the medial surface of No. two mounting discs (17), no. two heating panels (28) below is equipped with in-wheel motor axis of rotation (2).

2. An in-wheel motor according to claim 1, wherein: wheel hub motor body (1) is first aluminum alloy layer (101), puigging (102) and second aluminum alloy layer (103) respectively including the three-layer, first aluminum alloy layer (101) are the inlayer, puigging (102) set up to the intermediate level, second aluminum alloy layer (103) are outmost, no. two ring flange (14) are all installed to wheel hub motor body (1) both sides, wheel hub motor body (1) internally mounted has motor rotor (18) and motor stator (19).

3. An in-wheel motor according to claim 1, wherein: the motor rotor (18) is installed to the intermediate position of in-wheel motor axis of rotation (2), all be provided with mounting (5) on the outer wall at in-wheel motor axis of rotation (2) both ends, socket (3) are installed to mounting (5) inboard.

4. An in-wheel motor according to claim 3, wherein: the hub motor is characterized in that the sleeve joint (3) is arranged on the outer wall of the rotating shaft (2) of the hub motor, the outer surface of the sleeve joint (3) is connected with two hubs (4), and the number of the hubs (4) is two.

5. An in-wheel motor according to claim 1, wherein: the rubber disc (8) is provided with a connecting piece (9) above, a mounting opening (10) is formed in the surface of the connecting piece (9), and the mounting opening (10) is circular in shape.

6. An in-wheel motor according to claim 1, wherein: the inner side of the heat dissipation hole (11) is provided with a first heat dissipation fan (23) and a second heat dissipation fan (26).

7. An in-wheel motor according to claim 1, wherein: a fixing nut (13) is installed to a ring flange (12) one side, a ring flange (14) No. two is provided with to a ring flange (12) opposite side, no. two ring flange (14) side is provided with bolt (15).

8. An in-wheel motor according to claim 1, wherein: no. one mounting disc (16) outside is provided with mounting disc (17) No. two, mounting disc (16) with both parallel arrangement of each other of No. two mounting discs (17), mounting disc (16) medial surface is provided with first rotation axis (22), second rotation axis (25) are installed to No. two mounting discs (17) medial surface.

9. An in-wheel motor according to claim 6, wherein: a second heat dissipation plate (28) is arranged below the first heat dissipation fan (23), and a first heat dissipation plate (27) is arranged above the second heat dissipation fan (26).