CN220234369U - Oil-cooled motor and vehicle - Google Patents

Abstract

The utility model discloses an oil-cooled motor and a vehicle, wherein the oil-cooled motor comprises: the oil storage cavity is formed in the end cover, the end cover comprises an end cover body, and a first thread part is arranged on one side of the end cover body; the rotating shaft is hollow inside; a rotating stator; a rotor; the oil guide plate is arranged in the end cover, and the oil guide plate part extends into the rotating shaft to be communicated with the oil storage cavity and the rotating shaft; the fastener passes through the oil guide plate and the rotary stator and is connected with the end cover body, a second threaded part is arranged on the fastener, and the second threaded part is in threaded connection with the first threaded part. The fastener passes through the oil guide plate and the rotary stator to be in threaded connection with the end cover body, the rotary stator is clamped between the end cover body and the oil guide plate, the pressing plate structure of the rotary stator is omitted, the occupation of the axial space inside the oil cooling motor is reduced, the assembly of the types of parts is effectively reduced, and the production beat is reduced, so that the cost is reduced.

Description

Oil-cooled motor and vehicle

Technical Field

The utility model relates to the technical field of vehicle cooling, in particular to an oil-cooled motor and a vehicle.

Background

As a main component of a new energy automobile, high integration and miniaturization are important for a motor.

In the related art, an oil guide plate and a rotary-change stator pressing plate of the end cover of the new energy oil cooling motor are two independent parts and are assembled and installed at corresponding positions of the whole machine respectively. The oil guide plate of the motor end cover and the end cover are simply installed together by interference, and no sealing measure and falling-off measure are adopted. The spin-on stator requires a separate pressure plate and lock bolt for installation. The integrated level is not available, so that the axial space of the motor is greatly occupied, the integrated and miniaturized design is not facilitated, and the carrying of the whole vehicle is not facilitated.

Disclosure of Invention

The present utility model aims to solve at least one of the technical problems existing in the prior art. Therefore, the utility model provides the oil-cooled motor, the fastening piece passes through the oil guide plate and the rotary stator to be in screw connection with the end cover body, the rotary stator is clamped between the end cover body and the oil guide plate, the pressing plate structure of the rotary stator is omitted, the occupation of the axial space in the oil-cooled motor is reduced, the assembly of the types of parts is effectively reduced, the production beat is reduced, and the cost is reduced.

The utility model further provides a vehicle.

An oil-cooled motor according to an embodiment of the first aspect of the present utility model includes: the oil storage cavity is formed in the end cover, the end cover comprises an end cover body, and a first thread part is arranged on one side of the end cover body; the rotating shaft is rotationally connected with the end cover body, and the inside of the rotating shaft is hollow; the rotary stator is arranged in the end cover and is abutted against the end cover body; the rotary rotor is rotatably arranged in the end cover; the oil guide plate is arranged in the end cover, the oil guide plate is arranged on one side of the rotary stator, which is away from the end cover body, and the oil guide plate part extends into the rotating shaft so as to be communicated with the oil storage cavity and the rotating shaft; the fastener passes through the oil guide plate and the rotary stator and is connected with the end cover body, a second threaded part is arranged on the fastener, and the second threaded part is in threaded connection with the first threaded part.

According to the oil-cooled motor provided by the embodiment of the utility model, the fastening piece passes through the oil guide plate and the rotary stator to be in threaded connection with the end cover body, and the rotary stator is clamped between the end cover body and the oil guide plate, so that the pressing plate structure of the rotary stator is omitted, the occupation of the axial space inside the oil-cooled motor is reduced, the assembly of the types of parts is effectively reduced, and the production takt is reduced, and the cost is reduced.

According to the oil cooling motor provided by the embodiment of the utility model, the oil guide plate is provided with the first through hole, the rotary stator is provided with the second through hole, the first through hole and the second through hole are oppositely arranged, and the second threaded part passes through the first through hole and the second through hole and is in threaded connection with the first threaded part.

According to the oil-cooled motor provided by the embodiment of the utility model, the fastening piece is provided with the limiting part, and the limiting part is in limited fit with the periphery of the first through hole.

According to an embodiment of the utility model, the end cover further comprises: the oil inlet cover plate and the end cover body jointly define the oil storage cavity.

According to the oil-cooled motor of the embodiment of the utility model, the oil guide plate comprises: the main body and the oil inlet pipe, the oil inlet pipe set up in the main body towards one side of pivot, the oil inlet pipe stretches into in the pivot.

According to the oil cooling motor provided by the embodiment of the utility model, the main body and the oil inlet pipe are internally provided with the oil guide channel, one side of the oil guide channel facing the oil storage cavity is provided with the oil inlet, the other side of the oil guide channel is provided with the oil outlet, the oil inlet is communicated with the oil storage cavity, and the oil outlet is communicated with the rotating shaft.

According to the oil cooling motor provided by the embodiment of the utility model, the main body is provided with the first guide inclined plane, and the first guide inclined plane is arranged around the periphery of the oil inlet; and/or the oil inlet pipe is provided with a second guide inclined plane, and the second guide inclined plane is arranged around the periphery of the oil outlet.

According to the oil cooling motor provided by the embodiment of the utility model, the outer wall of the oil inlet pipe is provided with the third guide inclined plane towards one side of the rotating shaft, the inner wall of the rotating shaft is provided with the fourth guide inclined plane towards one side of the oil inlet pipe, and the third guide inclined plane and the fourth guide inclined plane are oppositely arranged.

According to the oil-cooled motor of the embodiment of the utility model, the oil-cooled motor further comprises: and the periphery of the oil guide plate is provided with a groove, and the sealing piece is matched in the groove.

According to an embodiment of the second aspect of the present utility model, a vehicle includes: the oil-cooled motor.

Additional aspects and advantages of the utility model will be set forth in part in the description which follows, and in part will be obvious from the description, or may be learned by practice of the utility model.

Drawings

The foregoing and/or additional aspects and advantages of the utility model will become apparent and may be better understood from the following description of embodiments taken in conjunction with the accompanying drawings in which:

fig. 1 is a cross-sectional view of an oil-cooled motor according to an embodiment of the present utility model;

FIG. 2 is a schematic view of an end cap body, a swirl stator, an oil deflector, and a fastener according to an embodiment of the present utility model;

FIG. 3 is a schematic view of a structure of an oil deflector and a seal according to an embodiment of the present utility model;

fig. 4 is a partial cross-sectional view of an oil-cooled motor according to an embodiment of the present utility model.

Reference numerals:

100. an oil-cooled motor;

10. an end cap; 11. an end cap body; 111. a first threaded portion; 12. an oil inlet cover plate; 13. an oil storage chamber;

20. a rotating shaft; 21. An oil passage; 22. A fourth guiding slope;

30. a rotating stator; 31. A first through hole;

40. a rotor;

50. an oil guide plate; 51. a main body; 511. a second through hole; 52. an oil inlet pipe; 521. a third guide slope; 53. an oil guide channel; 54. an oil inlet; 541. a first guiding inclined surface; 55. an oil outlet; 551. a second guiding inclined surface; 56. a groove;

60. a fastener; 61. a second threaded portion; 62. a limit part;

70. and a seal.

Detailed Description

Embodiments of the present utility model will be described in detail below, by way of example with reference to the accompanying drawings.

An oil-cooled motor 100 according to an embodiment of the present utility model is described below with reference to fig. 1 to 4, and a vehicle including the oil-cooled motor 100 is also proposed.

As shown in fig. 1, the oil-cooled motor 100 includes: the cooling device comprises an end cover 10, a rotating shaft 20, a rotary stator 30, a rotary rotor 40, an oil guide plate 50 and a fastener 60, wherein an oil storage cavity 13 is arranged in the end cover 10, the oil storage cavity 13 is communicated with an oil source, cooling oil passes through the end cover 10 to enter the oil storage cavity 13, then enters the oil guide plate 50 from the oil storage cavity 13, and further enters the rotating shaft 20 to cool the rotary stator 30 and the rotary rotor 40. The end cover 10 has a relatively closed structure, and the rotating shaft 20 can rotate in the end cover 10, so that the oil-cooled motor 100 can work normally.

The end cover 10 includes an end cover body 11, a rotating shaft 20 rotatably connected with the end cover body 11, and a hollow portion of the rotating shaft 20. The end cover body 11 is worn to establish by the pivot 20, and the pivot 20 is rotatable for end cover body 11, and pivot 20 and end cover body 11 rotate and are connected promptly, and the inside of pivot 20 is hollow structure for the cooling oil in the oil storage chamber 13 can get into in the pivot 20, cools off pivot 20.

The rotary stator 30 is disposed in the end cover 10, and the rotary rotor 40 is rotatably disposed in the end cover 10. Wherein, the rotary transformer rotor 40 comprises a rotary transformer rotor 40 iron core and a rotary transformer rotor 40 winding wound on the rotary transformer rotor 40 iron core, and the rotary transformer stator 30 comprises a rotary transformer stator 30 iron core and a rotary transformer stator 30 winding wound on the rotary transformer stator 30 iron core. The rotary stator 30 is attached inside the end cover 10, the rotary rotor 40 is connected with the rotating shaft 20, the rotary rotor 40 rotates along with the rotation of the rotating shaft 20, the positions of the rotary rotor 40 and the rotary stator 30 correspond to each other, the rotary rotor 40 and the rotary stator 30 can be matched, the rotary stator 30 surrounds the periphery of the rotary rotor 40, after the rotary stator 30 is electrified, the rotary rotor 40 interacts with the magnetic field force of the rotary rotor 40 and the rotary stator 30 in the magnetic field generated by the rotary stator 30, the rotary rotor 40 rotates, and power is generated through electromagnetic induction.

Under the action of the oil guide plate 50, cooling oil enters the rotating shaft 20 and flows through the gap between the rotary rotor 40 and the rotary stator 30, the cooling oil absorbs electric heat generated by the rotary stator 30 in the flowing process, heat in the end cover 10 is carried away, the temperature in the motor shell is reduced, the cooling of the oil-cooled motor 100 is achieved, and the cooling oil is adopted to cool and dissipate heat of the oil-cooled motor 100 due to the fact that the heat exchange coefficient of liquid is far greater than that of air, so that a better cooling effect can be achieved, and meanwhile, the phenomenon of spark-over caused by the operation of the motor under the conditions of static electricity and high frequency can be effectively prevented. After entering the rotating shaft 20 from the oil storage cavity 13 through the oil guide plate 50, the cooling oil enters the position of the rotary rotor 40 connected with the rotating shaft 20, and flows onto the rotary stator 30 from the rotary rotor 40 along with the rotation of the rotary rotor 40, so that the cooling of the rotary stator 30 of the rotary rotor 40 can be simultaneously satisfied.

The rotary-variable stator 30 is abutted with the end cover body 11, the oil guide plate 50 is arranged in the end cover 10, the oil guide plate 50 is arranged on one side of the rotary-variable stator 30, which is away from the end cover body 11, and the oil guide plate 50 partially stretches into the rotating shaft 20 so as to be communicated with the oil storage cavity 13 and the rotating shaft 20. The rotary stator 30 is attached to the inner side of the end cover body 11, the oil guide plate 50 is arranged in the oil storage cavity 13, the oil guide plate 50 is located on one side, away from the end cover body 11, of the rotary stator 30, the oil guide plate 50 is in butt joint with the rotary stator 30, and part of the oil guide plate 50 stretches into the rotating shaft 20, so that the oil guide plate 50 is communicated with the oil storage cavity 13 and the rotating shaft 20, cooling oil can enter the rotating shaft 20 from the oil guide plate 50, and then enters a gap between the rotary stator 30 and the rotary rotor 40, heat of the rotary stator 30 and the rotary rotor 40 is taken away, and cooling of the rotary stator 30 and the rotary rotor 40 is achieved. The oil guide plate 50 extends into the rotating shaft 20, ensures that cooling oil fully enters the rotating shaft 20, and improves the cooling capacity of the oil-cooled motor 100.

As shown in fig. 1 to 4, the fastening member 60 is connected to the cap body 11 through the oil guide plate 50 and the screw stator 30, a first screw portion 111 is provided at one side of the cap body 11, a second screw portion 61 is provided on the fastening member 60, and the second screw portion 61 is screw-coupled to the first screw portion 111. The inside of end cover body 11 is provided with the recess, and the recess inwards is sunken, and the inner wall of recess is provided with first screw thread portion 111, and the tip periphery of fastener 60 one side is provided with second screw thread portion 61, and fastener 60 passes behind oil guide plate 50 and the rotation stator 30 and the recess bottom looks butt of end cover body 11, second screw thread portion 61 and first screw thread portion 111 screw thread cooperation for fastener 60 and end cover body 11 fixed connection.

During installation, the swirl stator 30 is abutted against the inner side of the end cover body 11, the oil guide plate 50 is installed, the swirl stator 30 of the oil guide plate 50 is abutted against one side, deviating from the end cover body 11, of the end cover body, the fastener 60 penetrates through the oil guide plate 50 and the swirl stator 30, so that the second threaded portion 61 is in threaded connection with the first threaded portion 111, the installation of the oil guide plate 50 is completed, the oil guide plate 50 and the end cover body 11 are connected into a whole through the fastener 60, and the swirl stator 30 is compressed.

In the utility model, the fastening piece 60 passes through the oil guide plate 50 and the rotary stator 30 to be in threaded connection with the end cover body 11, the rotary stator 30 is clamped between the end cover body 11 and the oil guide plate 50, and the oil guide plate 50 and the rotary stator 30 are connected with the end cover body 11 into a whole through the fastening piece 60, so that the pressing plate structure of the rotary stator 30 is omitted, the occupation of the axial space inside the oil cooling motor 100 is reduced, the assembly of the types of parts is effectively reduced, the production beat is reduced, and the cost is reduced.

Referring to fig. 1 to 4, the oil guide plate 50 is provided with a first through hole 31, the rotation stator 30 is provided with a second through hole 511, the first through hole 31 and the second through hole 511 are disposed opposite to each other, and the second screw part 61 is screw-coupled with the first screw part 111 after passing through the first through hole 31 and the second through hole 511. That is, the oil guide plate 50 is provided with a plurality of first through holes 31, the plurality of first through holes 31 are arranged at intervals along the circumference of the oil guide plate 50, the rotary stator 30 is provided with a plurality of second through holes 511, the plurality of first through holes 31 and the plurality of second through holes 511 are in one-to-one correspondence, the end cover body 11 is provided with a plurality of first screw parts 111, and the fastener 60 is also a plurality of.

In the embodiment of the utility model, two fasteners 60 are provided, two first through holes 31 are provided, two second through holes 511 are provided, two second threaded portions 61 are provided, and the two fasteners 60 respectively penetrate through the two first through holes 31 and the two second through holes 511 to be respectively in threaded connection with the two second threaded portions 61, so that the connection strength of the oil guide plate 50 and the end cover body 11 is ensured, and the sufficient pressing force on the rotary stator 30 is ensured.

In addition, the fastener 60 is provided with a stopper 62, and the stopper 62 is fitted with the circumferential side of the first through hole 31 in a stopper manner. The end that fastener 60 and oil guide plate 50 butt is provided with spacing portion 62, and spacing portion 62 and oil guide plate 50 deviate from the one end butt of swirl stator 30, and spacing portion 62 cooperates in the week side of first through-hole 31, and spacing portion 62 plays spacing effect to oil guide plate 50, guarantees that oil guide plate 50 is closely connected with end cover body 11.

As shown in fig. 1, the end cap 10 further includes: the oil inlet cover plate 12, the oil inlet cover plate 12 and the end cover body 11 jointly define an oil storage cavity 13. The oil inlet cover plate 12 is connected with the end cover body 11 to define an oil storage cavity 13 between the oil inlet cover plate 12 and the end cover body 11, the oil inlet cover plate 12 is communicated with an oil source, and cooling oil enters the oil storage cavity 13 from the oil inlet cover plate 12 and then enters the rotating shaft 20, so that the rotating stator 30 and the rotating rotor 40 are cooled.

As shown in fig. 2 and 3, the oil guide plate 50 includes: the main part 51 and advance oil pipe 52, advance oil pipe 52 and set up in main part 51 towards the side of pivot 20, advance oil pipe 52 and stretch into in the pivot 20. Specifically, the main body 51 and the oil inlet pipe 52 are coaxially arranged, one side of the main body 51 facing the rotating shaft 20 is abutted against the rotary stator 30, the oil inlet pipe 52 is connected with one side of the main body 51 deviating from the cover plate, the oil inlet pipe 52 stretches into the rotating shaft 20 to be communicated with the rotating shaft 20 and the oil storage cavity 13, the oil guide plate 50 plays a guiding role on cooling oil, so that the cooling oil can smoothly flow into the rotating shaft 20 from the oil storage cavity 13, and then enters between the rotary stator 30 and the rotary rotor 40, and the rotary stator 30 and the rotary rotor 40 are cooled.

In some embodiments, the main body 51 and the oil inlet pipe 52 are internally provided with an oil guide channel 53, one side of the oil guide channel 53 facing the oil storage cavity 13 is provided with an oil inlet 54, the other side of the oil guide channel 53 is provided with an oil outlet 55, the oil inlet 54 is communicated with the oil storage cavity 13, and the oil outlet 55 is communicated with the rotating shaft 20. Specifically, an oil guiding channel 53 is arranged in the oil guiding plate 50, the oil guiding channel 53 penetrates through the main body 51 and the oil inlet pipe 52, and the oil guiding channel 53 is communicated with the oil storage cavity 13 and the rotating shaft 20. The oil guide passage 53 includes: the oil inlet 54 and the oil outlet 55, the oil inlet 54 is arranged on one side of the oil guide channel 53 facing the oil inlet cover plate 12, the oil inlet 54 is communicated with the oil storage cavity 13, the oil outlet 55 is arranged on one side of the oil guide channel 53 facing away from the oil inlet cover plate 12, and the oil outlet 55 is communicated with the rotating shaft 20.

As shown in fig. 2 and 3, the main body 51 is provided with a first guide slope 541, and the first guide slope 541 is provided around the circumferential side of the oil inlet 54. In the axial direction of the guide channel, the inner diameter of the oil inlet 54 gradually decreases along the direction from the oil inlet 54 to the oil outlet 55, i.e., the oil inlet 54 of the guide channel is contracted, thereby guiding the cooling oil from the oil storage chamber 13 into the oil guide channel 53.

Further, the oil inlet pipe 52 is provided with a second guide inclined surface 551, and the second guide inclined surface 551 is provided around the circumferential side of the oil outlet 55. In the axial direction of the guide channel, along the direction from the oil inlet 54 to the oil outlet 55, the inner diameter of the oil outlet 55 is gradually increased, that is, the oil outlet 55 of the guide channel is gradually expanded, so that the cooling oil enters the rotating shaft 20 from the oil guide channel 53 to play a guide role, and the circulation rate of the cooling oil is improved.

As shown in fig. 1 to 3, the outer wall of the oil inlet pipe 52 is provided with a third guide slope 521 at a side facing the rotation shaft 20, the inner wall of the rotation shaft 20 is provided with a fourth guide slope 22 at a side facing the oil inlet pipe 52, and the third guide slope 521 and the fourth guide slope 22 are oppositely disposed. The rotating shaft 20 is internally provided with an oil duct 21, one side of the oil duct 21 facing the oil inlet cover plate 12 is provided with an oil duct 21 opening, the oil inlet pipe 52 penetrates through the oil duct 21 opening and goes deep into the rotating shaft 20, in the axial direction of the oil guide channel 53, along the direction from the oil inlet 54 to the oil outlet 55, the outer diameter of the oil inlet pipe 52 is gradually reduced so as to form a third guide inclined plane 521 on the outer wall of the oil inlet pipe 52, the inner wall of the rotating shaft 20 is provided with a fourth guide inclined plane 22, the fourth guide inclined plane 22 is arranged around the periphery of the oil duct 21 opening, the inner diameter of the oil duct 21 opening is gradually increased in the direction facing the oil inlet cover plate 12 so as to form a fourth guide inclined plane 22 on the periphery of the oil duct 21 opening, the fourth guide inclined plane 22 is arranged opposite to the third guide inclined plane 521, the third guide inclined plane 521 and the fourth guide inclined plane 22 enable cooling oil to flow from the oil duct 21 to the rotary stator 30 and the rotary rotor 40 more smoothly, and the cooling oil flows into the rotary stator 30 and the rotary rotor 40 from a gap between the third guide inclined plane 521 and the fourth guide inclined plane 22.

As shown in connection with fig. 1-4, the oil-cooled motor 100 further includes: the seal 70, the circumference side of the oil guide plate 50 is provided with a groove 56, and the seal 70 is fitted in the groove 56. The oil guide plate 50 is provided with the groove 56, the groove 56 is arranged around the periphery of the oil guide plate 50, the groove 56 is inwards provided with the groove 56, the sealing element 70 is arranged in the groove 56, the sealing element 70 is elastic, and the sealing element 70 is in interference fit with the groove 56, so that the periphery of the oil guide plate 50 and the inner periphery of the end cover body 11 are sealed, high-temperature falling or oil leakage is avoided, the tightness of cooling oil is ensured, and the cooling oil is completely led into the rotating shaft 20.

According to an embodiment of the second aspect of the present utility model, a vehicle includes: an oil-cooled motor 100.

In the description of the present utility model, it should be understood that the terms "center", "longitudinal", "lateral", "length", "width", "thickness", "upper", "lower", "front", "rear", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer", "clockwise", "counterclockwise", "axial", "radial", "circumferential", etc. indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings are merely for convenience in describing the present utility model and simplifying the description, and do not indicate or imply that the device or element being referred to must have a specific orientation, be configured and operated in a specific orientation, and therefore should not be construed as limiting the present utility model.

In the description of the present specification, reference to the terms "one embodiment," "some embodiments," "illustrative embodiments," "examples," "specific examples," or "some examples," etc., means that a particular feature, structure, material, or characteristic described in connection with the embodiment or example is included in at least one embodiment or example of the utility model. In this specification, schematic representations of the above terms do not necessarily refer to the same embodiments or examples.

While embodiments of the present utility model have been shown and described, it will be understood by those of ordinary skill in the art that: many changes, modifications, substitutions and variations may be made to the embodiments without departing from the spirit and principles of the utility model, the scope of which is defined by the claims and their equivalents.

Claims (10)

1. An oil-cooled motor, comprising:

the oil storage cavity (13) is arranged in the end cover (10), the end cover (10) comprises an end cover body (11), and a first thread part (111) is arranged on one side of the end cover body (11);

the rotating shaft (20), the rotating shaft (20) is rotationally connected with the end cover body (11), and the interior of the rotating shaft (20) is hollow;

the rotary stator (30) is arranged in the end cover (10) and is abutted against the end cover body (11);

a rotary rotor (40), the rotary rotor (40) being rotatably arranged within the end cap (10);

the oil guide plate (50) is arranged in the end cover (10), the oil guide plate (50) is arranged on one side of the rotary stator (30) deviating from the end cover body (11), and the oil guide plate (50) partially stretches into the rotating shaft (20) to be communicated with the oil storage cavity (13) and the rotating shaft (20);

the fastening piece (60), the fastening piece (60) passes oil guide plate (50) with revolve and become stator (30) with end cover body (11) are connected, be provided with second screw thread portion (61) on the fastening piece (60), second screw thread portion (61) with first screw thread portion (111) spiro union.

2. The oil-cooled motor according to claim 1, wherein a first through hole (31) is formed in the oil guide plate (50), a second through hole (511) is formed in the rotary stator (30), the first through hole (31) and the second through hole (511) are arranged opposite to each other, and the second threaded portion (61) is screwed with the first threaded portion (111) after passing through the first through hole (31) and the second through hole (511).

3. An oil-cooled motor according to claim 2, characterized in that the fastening member (60) is provided with a limit portion (62), the limit portion (62) being limit-fitted with the peripheral side of the first through hole (31).

4. The oil-cooled electric machine of claim 1, wherein the end cap (10) further comprises: the oil inlet cover plate (12), the oil inlet cover plate (12) and the end cover body (11) jointly define the oil storage cavity (13).

5. The oil-cooled motor of claim 1, wherein the oil guide plate (50) includes: the oil inlet pipe (52) is arranged on one side of the main body (51) facing the rotating shaft (20), and the oil inlet pipe (52) stretches into the rotating shaft (20).

6. The oil-cooled motor according to claim 5, characterized in that an oil guide channel (53) is arranged in the main body (51) and the oil inlet pipe (52), an oil inlet (54) is arranged on one side of the oil guide channel (53) facing the oil storage cavity (13), an oil outlet (55) is arranged on the other side of the oil guide channel (53), the oil inlet (54) is communicated with the oil storage cavity (13), and the oil outlet (55) is communicated with the rotating shaft (20).

7. An oil-cooled motor according to claim 6, characterized in that the main body (51) is provided with a first guide inclined surface (541), the first guide inclined surface (541) being provided around the circumferential side of the oil inlet (54); and/or the number of the groups of groups,

the oil inlet pipe (52) is provided with a second guide inclined surface (551), and the second guide inclined surface (551) is arranged around the periphery of the oil outlet (55).

8. The oil-cooled motor of claim 5, wherein a third guiding inclined surface (521) is provided on a side of the outer wall of the oil inlet pipe (52) facing the rotating shaft (20), a fourth guiding inclined surface (22) is provided on a side of the inner wall of the rotating shaft (20) facing the oil inlet pipe (52), and the third guiding inclined surface (521) and the fourth guiding inclined surface (22) are disposed opposite to each other.

9. The oil-cooled motor of claim 1, further comprising: and a seal (70) provided with a groove (56) on the peripheral side of the oil guide plate (50), and the seal (70) is fitted in the groove (56).

10. A vehicle, characterized by comprising: the oil-cooled electric machine (100) of any of claims 1-9.