CN212407524U - Motor mounting structure and hybrid transmission - Google Patents
Motor mounting structure and hybrid transmission Download PDFInfo
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- CN212407524U CN212407524U CN202021129157.1U CN202021129157U CN212407524U CN 212407524 U CN212407524 U CN 212407524U CN 202021129157 U CN202021129157 U CN 202021129157U CN 212407524 U CN212407524 U CN 212407524U
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- bearing
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- mounting structure
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- motor shaft
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Abstract
The utility model discloses a motor mounting structure and hybrid transmission, this motor mounting structure include the casing, with end cover, motor shaft and the cover that the casing links to each other are established epaxial antifriction bearing of motor still includes the bearing clamp plate, the bearing clamp plate sets up antifriction bearing with between the casing, the casing the end cover the bearing clamp plate antifriction bearing with the motor shaft cooperation forms the oil storage chamber. This motor mounting structure's casing, end cover, bearing clamp plate, antifriction bearing and motor shaft cooperation form the oil storage chamber, and this oil storage chamber is used for storing lubricating oil to guarantee under cold circumstance, when the automobile starts, under the lubricated condition of oil that does not get rid of, antifriction bearing can utilize the lubricating oil in the oil storage chamber to lubricate, protects antifriction bearing, effectively reduces the lubricated not enough risk under the antifriction bearing cold circumstance.
Description
Technical Field
The utility model relates to an automotive filed especially relates to a motor mounting structure and hybrid transmission.
Background
At present, the new energy automobile is more and more widely popularized, and in order to protect the safety of passengers, the requirements of each automobile company on the safety performance of the new energy automobile are higher and higher.
The condition for ensuring the performance safety is necessary to ensure that the bearing has sufficient lubrication under various working conditions and environments. The lubricating mode of a motor bearing of a hybrid power transmission in the market at present is generally realized by an oil throwing splashing lubricating mode, wherein the oil throwing mode is that lubricating oil is sprayed onto a shell through an oil spraying pipe and then flows into the bearing, and finally the bearing is lubricated.
However, in a cold environment, when an automobile is just started, the temperature of lubricating oil is low, the viscous resistance is large, and the lubricating oil cannot be sprayed to the shell through the oil spraying pipe, so that the bearing cannot be lubricated, and when the bearing is in a dry friction state, the bearing is easily damaged, and the failure risk exists.
SUMMERY OF THE UTILITY MODEL
An embodiment of the utility model provides a motor mounting structure and hybrid transmission to solve under cold environment, when the car just started, the bearing can't obtain lubricated problem.
The utility model provides a motor mounting structure, includes the casing, with end cover, motor shaft and the cover that the casing links to each other are established epaxial antifriction bearing of motor still includes the bearing clamp plate, the bearing clamp plate sets up antifriction bearing with between the casing, the casing the end cover the bearing clamp plate antifriction bearing with the cooperation of motor shaft forms the oil storage chamber.
Preferably, the housing is an annular housing, the housing including an annular connecting portion and a connecting boss extending in a direction perpendicular to the annular connecting portion; the annular connecting part is connected with the end cover; the connecting boss is connected with the bearing pressing plate, and an oil inlet communicated with the oil storage cavity is formed in the connecting boss.
Preferably, an accommodating space for accommodating the bearing pressure plate is formed between the connecting boss and the rolling bearing; the bearing pressing plate comprises a mounting plate and a containing boss extending in the direction perpendicular to the mounting plate, the containing boss is assembled in the containing space, an oil outlet communicated with the oil storage cavity and a mounting hole used for assembling the motor shaft are formed in the mounting plate, and the oil outlet and a rolling path of the rolling bearing are arranged oppositely.
Preferably, the rolling bearing comprises an inner steel ring and an outer steel ring, and the raceway is formed between the inner steel ring and the outer steel ring.
Preferably, the motor mounting structure further comprises an annular bushing, the annular bushing is connected with the housing, one side of the annular bushing is matched with the bearing pressure plate and the rolling bearing to form an oil guide groove, and the oil guide groove is arranged opposite to the oil inlet and the raceway; the inner side of the annular bush along the axial direction is matched with the rolling bearing to form an oil guide hole, and the oil guide hole is communicated with the oil guide groove and the oil storage cavity.
Preferably, the annular bush includes the bush body, sets up lead oil step on the side of bush body and set up and be in on the bush body with lead the holding step on the opposite another side of oil step, lead oil step with the bearing clamp plate with antifriction bearing cooperation forms lead the oil groove, the holding step with the motor shaft cooperation forms the accommodation space.
Preferably, the end of the motor shaft is provided with an installation groove arranged along the axial direction; the motor mounting structure further comprises a compression bolt, and the compression bolt is assembled on the mounting groove and is opposite to the end cover.
Preferably, the motor mounting structure further includes a rotation detection assembly, the rotation detection assembly includes a rotation rotor and a rotation stator mounted on the rotation rotor, the rotation rotor is connected to the motor shaft and is limited on the pressing bolt, the rotation stator is connected to the housing, and the rotation stator and the rotation rotor are assembled in the accommodating space.
Preferably, the motor shaft is provided with a mounting step for mounting the rolling bearing along the radial direction.
The hybrid power transmission comprises an oil injection pipe and the motor mounting structure, wherein the oil injection pipe and the oil storage cavity are arranged oppositely.
The embodiment of the utility model provides a motor mounting structure and hybrid transmission, this motor mounting structure's casing, the end cover, the bearing clamp plate, antifriction bearing and motor shaft cooperation, form the oil storage chamber, this oil storage chamber is used for storing lubricating oil, under guaranteeing cold environment, when the automobile starts, under the lubricated condition of oil of nothing getting rid of, antifriction bearing can utilize the lubricating oil in the oil storage chamber to lubricate, protect antifriction bearing, effectively reduce the lubricated not enough risk under the cold environment of antifriction bearing, and through the limited derailleur space of rational arrangement, form the oil storage chamber, in order to optimize bearing structure.
Drawings
In order to more clearly illustrate the technical solutions of the embodiments of the present invention, the drawings required to be used in the description of the embodiments of the present invention will be briefly introduced below, and it is obvious that the drawings in the following description are only some embodiments of the present invention, and for those skilled in the art, other drawings can be obtained according to these drawings without inventive labor.
Fig. 1 is a sectional view of a motor mounting structure according to an embodiment of the present invention;
fig. 2 is a schematic structural diagram of a housing according to an embodiment of the present invention;
fig. 3 is a schematic structural diagram of a bearing pressing plate according to an embodiment of the present invention;
fig. 4 is a schematic structural view of an annular bushing according to an embodiment of the present invention;
description of the drawings:
10. a housing; 11. an annular connecting portion; 12. connecting the bosses; 121. an oil inlet;
20. an end cap;
30. a motor shaft; 31. mounting grooves; 32. a hold-down bolt; 33. mounting a step;
40. a rolling bearing; 41. an inner steel ring; 42. an outer steel ring; 43. a raceway;
50. a bearing pressure plate; 51. mounting a plate; 511. an oil outlet; 52. accommodating the boss; 53. mounting holes;
60. an oil storage chamber;
70. an annular bushing; 71. a bushing body; 72. an oil guiding step;
80. a rotation detection assembly; 81. a rotary transformer rotor; 82. a distance sleeve.
Detailed Description
In order to make the technical problem, technical solution and advantageous effects solved by the present invention more clearly understood, the following description is given in conjunction with the accompanying drawings and embodiments to further explain the present invention in detail. It should be understood that the specific embodiments described herein are merely illustrative of the invention and are not intended to limit the invention.
In the description of the present invention, it is to be understood that the terms "longitudinal", "radial", "length", "width", "thickness", "upper", "lower", "front", "rear", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer", and the like indicate orientations or positional relationships based on those shown in the drawings, and are used merely for convenience of description and to simplify the description, and do not indicate or imply that the device or element referred to must have a particular orientation, be constructed and operated in a particular orientation, and therefore should not be construed as limiting the present invention. In the description of the present invention, "a plurality" means two or more unless otherwise specified.
In the description of the present invention, it is to be noted that, unless otherwise explicitly specified 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.
As shown in fig. 1-4, the utility model provides a motor mounting structure, establish antifriction bearing 40 on motor shaft 30 including casing 10, end cover 20, motor shaft 30 that link to each other with casing 10 and cover, still include bearing clamp plate 50, bearing clamp plate 50 sets up between antifriction bearing 40 and casing 10, end cover 20, bearing clamp plate 50, antifriction bearing 40 and motor shaft 30 cooperate, form oil storage cavity 60.
When the motor mounting structure is assembled: firstly, the rolling bearing 40 is pressed on the bearing pressing plate 50 in an interference fit mode, then the rolling bearing 40 and the bearing pressing plate 50 are fixedly connected to the motor shaft 30, then the bearing pressing plate 50 is connected with the shell 10, and the shell 10 is in threaded connection with the end cover 20, so that the shell 10, the end cover 20, the bearing pressing plate 50, the rolling bearing 40 and the motor shaft 30 are matched to form an oil storage cavity 60. This structure allows the bearing retainer plate 50 to restrain the rolling bearing 40 and prevent the rolling bearing 40 from moving along the motor shaft 30. The bearing retainer plate 50 is disposed opposite to the raceway 43 of the rolling bearing 40 to cover the raceway 43 of the rolling bearing 40 with the bearing retainer plate 50, so that the lubricating oil is stored in the oil reservoir 60 to prevent the lubricating oil from leaking from the raceway 43 of the rolling bearing 40.
The motor mounting structure of this embodiment is used in hybrid transmission, as shown in fig. 1, casing 10, end cover 20, bearing pressing plate 50, antifriction bearing 40 and motor shaft 30 cooperate, form oil storage chamber 60, this oil storage chamber 60 is arranged in storing the lubricating oil in antifriction bearing 40, in order to guarantee under cold circumstance, when the car just starts, under the lubricated condition of not getting rid of oil, antifriction bearing 40 can utilize the lubricating oil in oil storage chamber 60 to lubricate, protect antifriction bearing 40, effectively reduce the lubricated not enough risk under the cold circumstance of antifriction bearing 40, and through the limited hybrid transmission space of rational arrangement, form oil storage chamber 60, in order to optimize bearing structure.
As an example, as shown in fig. 2, the housing 10 is an annular housing, and the housing 10 includes an annular connecting portion 11 and a connecting boss 12 extending in a direction perpendicular to the annular connecting portion 11; the annular connecting part 11 is connected with the end cover 20; the connecting boss 12 is connected with the bearing pressing plate 50, and an oil inlet 121 communicated with the oil storage cavity 60 is arranged on the connecting boss 12.
In this embodiment, the connecting boss 12 is provided with an oil inlet 121 communicated with the oil storage cavity 60, and when the lubricating oil is sprayed onto the housing 10, the lubricating oil enters the oil storage cavity 60 through the oil inlet 121 of the housing 10.
As an embodiment, as shown in fig. 1 to 3, an accommodating space for accommodating the bearing pressing plate 50 is formed between the connecting boss 12 and the rolling bearing 40; the bearing pressure plate 50 comprises a mounting plate 51 and an accommodating boss 52 extending along a direction perpendicular to the mounting plate 51, the accommodating boss 52 is assembled in the accommodating space, the mounting plate 51 is provided with an oil outlet 511 communicated with the oil storage cavity 60 and a mounting hole 53 for assembling the motor shaft 30, and the oil outlet 511 is arranged opposite to the raceway 43 of the rolling bearing 40.
In this embodiment, the bearing retainer 50 is an annular retainer to mate with the housing 10 and the rolling bearing 40. The receiving boss 52 is fitted in the receiving space in such a manner that the bearing holder 50 and the housing 10 are more tightly coupled. The oil outlet 511 is disposed opposite to the raceway 43 of the rolling bearing 40 so that, when the rolling bearing 40 is in operation, lubricating oil can flow from the oil outlet 511 into the rolling bearing 40 to lubricate and dissipate heat from the rolling bearing 40.
As shown in fig. 3, the mounting plate 51 is provided with an oil outlet 511 connected to the oil storage chamber 60, and the oil outlet 511 is disposed opposite to the raceway 43 of the rolling bearing 40. Note that, when the lubricating oil is stored in the oil reservoir chamber 60, the lubricating oil is accumulated and stored below the oil reservoir chamber 60 due to the action of gravity, and therefore the oil outlet 511 is provided on the mounting plate 51 and away from below the oil reservoir chamber 60 so as to store the lubricating oil.
Specifically, the position of the oil outlet 511 is set so that the rolling bearing 40 has a good heat dissipation effect when the rolling bearing 40 is in operation. This is because the temperature in the hybrid transmission rapidly rises when the rolling bearing 40 is in operation, and at this time, if the lubricating oil cannot flow out of the bearing structure, the temperature of the rolling bearing 40 cannot be taken away, and the heat dissipation effect cannot be achieved, so that the temperature of the rolling bearing 40 is too high, which is not favorable for protecting the rolling bearing 40.
As an example, as shown in fig. 1, the rolling bearing 40 includes an inner steel ring 41 and an outer steel ring 42, and a raceway 43 is formed between the inner steel ring 41 and the outer steel ring 42.
In this embodiment, a raceway 43 is formed between the inner ring 41 and the outer ring 42 for rolling balls. The bearing retainer plate 50 is disposed opposite to the raceway 43 so as to close the outer portions of the raceway 43 and the rolling bearing 40 by the bearing retainer plate 50, so that the lubricating oil can be stored in the oil reservoir 60 and the lubricating oil is prevented from flowing from the raceway 43 to the outer portion of the rolling bearing 40.
As an embodiment, as shown in fig. 1 and 4, the motor mounting structure further includes an annular bushing 70, the annular bushing 70 is connected to the housing 10, one side of the annular bushing 70 cooperates with the bearing pressure plate 50 and the rolling bearing 40 to form an oil guiding groove, and the oil guiding groove is disposed opposite to the oil inlet 121 and the raceway 43; the inner side of the annular bush 70 in the axial direction cooperates with the rolling bearing 40 to form an oil guide hole that communicates with the oil guide groove and the oil storage chamber 60.
In this embodiment, the oil guiding groove is disposed opposite to the oil inlet 121 and the raceway 43, so that the lubricating oil enters the oil guiding groove from the oil inlet 121, and flows into the raceway 43 from the oil guiding groove, thereby lubricating the rolling bearing 40.
The inner side of the ring-shaped bush 70 cooperates with the rolling bearing 40 to form an oil guide hole, which is communicated with the oil guide groove and the oil storage cavity 60, so that the lubricating oil enters the oil guide groove from the oil inlet 121, flows into the oil guide hole from the oil guide groove and enters the oil storage cavity 60, and the lubricating oil is stored.
An annular bushing 70 is connected to the housing 10 and serves to limit the rolling bearing 40. Specifically, the end of the motor shaft 30 away from the rolling bearing 40 is connected to the helical gear, when the helical gear rotates, an axial force is generated to move the rolling bearing 40 along the axial direction of the motor shaft 30, and this axial force moves the rolling bearing 40 along the motor shaft 30 towards the bearing pressing plate 50 or away from the bearing pressing plate 50, so that the bearing pressing plate 50 and the annular bushing 70 are provided to perform a bidirectional limiting function on the rolling bearing 40.
As an embodiment, as shown in fig. 1 and 4, the annular bushing 70 includes a bushing body 71, an oil guiding step 72 disposed on one side surface of the bushing body 71, and an accommodating step disposed on the other side surface of the bushing body 71 opposite to the oil guiding step 72, the oil guiding step 72 cooperates with the bearing pressure plate 50 and the rolling bearing 40 to form an oil guiding groove, and the accommodating step cooperates with the motor shaft 30 to form an accommodating space. In this embodiment, the oil guiding step 72 cooperates with the bearing pressure plate 50 and the rolling bearing 40 to form an oil guiding groove so that the lubricating oil enters the rolling bearing 40 and the oil storage chamber 60.
As an embodiment, as shown in fig. 1, the end of the motor shaft 30 is provided with an installation groove 31 arranged along the axial direction; the motor mounting structure further includes a compression bolt 32, and the compression bolt 32 is assembled on the mounting groove 31 and disposed opposite to the end cover 20.
In this embodiment, the shaft center of the motor shaft 30 is hollow to reduce the overall mass. A mounting groove 31 is formed at the end of the motor shaft 30 in the axial direction to mount the compression bolt 32 so that the lubricating oil is stored in the oil storage chamber 60 to prevent the lubricating oil from entering the motor shaft 30. The pressure bolt 32 is disposed opposite to the end cap 20 with a certain gap therebetween to form an oil storage chamber 60, which ensures that oil can be stored.
As an embodiment, as shown in fig. 1, the motor mounting structure further includes a rotation detection assembly 80, the rotation detection assembly 80 includes a rotation rotor 81 and a rotation stator (not shown) mounted on the rotation rotor 81, the rotation rotor 81 is connected to the motor shaft 30 and is limited on the pressing bolt 32, the rotation stator is connected to the housing 10, and the rotation stator and the rotation rotor 81 are assembled in the accommodating space.
In the present embodiment, the rotation detecting assembly 80 is used for detecting information related to the motor shaft 30, such as angular velocity and angular displacement of the motor shaft 30. Wherein, one side of the rotary transformer rotor 81 is abutted with the hold-down bolt 32, the other side is abutted with the distance sleeve 82, the other end of the distance sleeve 82 is abutted with the rolling bearing 40, and the rotary transformer rotor 81 and the distance sleeve 82 are both connected with the motor shaft 30 to limit the rotary transformer rotor 81 by the hold-down bolt 32 and the distance sleeve 82, and the rotary transformer stator is arranged between the rotary transformer rotor 81 and the housing 10.
As an embodiment, as shown in fig. 1, the motor shaft 30 is provided with a mounting step 33 for mounting the rolling bearing 40 in a radial direction. In the present embodiment, the rolling bearing 40 is fixedly mounted on the mounting step 33, so that the connection of the rolling bearing 40 and the motor shaft 30 is tighter.
The embodiment of the utility model provides a still provide a hybrid transmission, including spouting oil pipe and the motor mounting structure as above embodiment, spout oil pipe and store up oil chamber 60 and set up relatively.
In this embodiment, motor mounting structure's casing 10, end cover 20, bearing pressure plate 50, antifriction bearing 40 and motor shaft 30 cooperation, form oil storage chamber 60, this oil storage chamber 60 is used for storing lubricating oil, in order to guarantee under cold circumstance, when the car just started, under the lubricated condition of not getting rid of oil, antifriction bearing 40 can utilize the lubricating oil in oil storage chamber 60 to lubricate, protect antifriction bearing 40, effectively reduce the lubricated not enough risk under the antifriction bearing 40 cold circumstance, and through the limited derailleur space of rational arrangement, form oil storage chamber 60, in order to optimize bearing structure.
The spray pipe is disposed opposite to the oil storage chamber 60 so that the lubricating oil sprayed from the spray pipe can enter the oil storage chamber 60. Specifically, the outlet of the oil spray pipe is arranged opposite to the oil inlet 121 on the housing 10, so that the lubricating oil sprayed from the oil spray pipe can enter the oil storage cavity 60 from the oil inlet 121.
The above-mentioned embodiments are only used for illustrating the technical solution of the present invention, and not for limiting the same; although the present invention has been described in detail with reference to the foregoing embodiments, it should be understood by those skilled in the art that: the technical solutions described in the foregoing embodiments may still be modified, or some technical features may be equivalently replaced; such modifications and substitutions do not substantially depart from the spirit and scope of the embodiments of the present invention, and are intended to be included within the scope of the present invention.
Claims (10)
1. The utility model provides a motor mounting structure, include the casing, with end cover, motor shaft and the cover that the casing links to each other are established epaxial antifriction bearing of motor, its characterized in that still includes the bearing clamp plate, the bearing clamp plate sets up antifriction bearing with between the casing, the casing the end cover the bearing clamp plate antifriction bearing with the motor shaft cooperation forms the oil storage chamber.
2. The motor mounting structure according to claim 1, wherein the housing is an annular housing including an annular connecting portion and a connecting boss extending in a direction perpendicular to the annular connecting portion; the annular connecting part is connected with the end cover; the connecting boss is connected with the bearing pressing plate, and an oil inlet communicated with the oil storage cavity is formed in the connecting boss.
3. The motor mounting structure according to claim 2, wherein an accommodating space for accommodating the bearing pressing plate is formed between the connection boss and the rolling bearing; the bearing pressing plate comprises a mounting plate and a containing boss extending in the direction perpendicular to the mounting plate, the containing boss is assembled in the containing space, an oil outlet communicated with the oil storage cavity and a mounting hole used for assembling the motor shaft are formed in the mounting plate, and the oil outlet and a rolling path of the rolling bearing are arranged oppositely.
4. The motor mounting structure of claim 3, wherein the rolling bearing comprises an inner steel ring and an outer steel ring, the inner steel ring and the outer steel ring forming the raceway therebetween.
5. The motor mounting structure of claim 3, further comprising an annular bushing coupled to the housing, one side of the annular bushing cooperating with the bearing retainer plate and the rolling bearing to form an oil guide groove, the oil guide groove being disposed opposite the oil inlet and the raceway; the inner side of the annular bush along the axial direction is matched with the rolling bearing to form an oil guide hole, and the oil guide hole is communicated with the oil guide groove and the oil storage cavity.
6. The motor mounting structure according to claim 5, wherein the annular bushing includes a bushing body, an oil guide step provided on one side surface of the bushing body, and an accommodation step provided on the other side surface of the bushing body opposite to the oil guide step, the oil guide step cooperates with the bearing presser plate and the rolling bearing to form the oil guide groove, and the accommodation step cooperates with the motor shaft to form an accommodation space.
7. The motor mounting structure of claim 5, wherein the end of the motor shaft is provided with a mounting groove provided in an axial direction; the motor mounting structure further comprises a compression bolt, and the compression bolt is assembled on the mounting groove and is opposite to the end cover.
8. The motor mounting structure of claim 7, further comprising a rotation variation detection assembly, wherein the rotation variation detection assembly comprises a rotation variation rotor and a rotation variation stator mounted on the rotation variation rotor, the rotation variation rotor is connected with the motor shaft and is limited on the compression bolt; the rotary transformer stator is connected with the shell, and the rotary transformer stator and the rotary transformer rotor are assembled in the accommodating space.
9. The motor mounting structure according to claim 1, wherein a mounting step for mounting the rolling bearing is provided on the motor shaft in a radial direction.
10. A hybrid transmission characterized by comprising an oil jet pipe and the motor mounting structure of any one of claims 1 to 9, the oil jet pipe being disposed opposite to the oil reservoir chamber.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202021129157.1U CN212407524U (en) | 2020-06-17 | 2020-06-17 | Motor mounting structure and hybrid transmission |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202021129157.1U CN212407524U (en) | 2020-06-17 | 2020-06-17 | Motor mounting structure and hybrid transmission |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN212407524U true CN212407524U (en) | 2021-01-26 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202021129157.1U Active CN212407524U (en) | 2020-06-17 | 2020-06-17 | Motor mounting structure and hybrid transmission |
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| CN (1) | CN212407524U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113700734A (en) * | 2021-08-25 | 2021-11-26 | 常熟得美零部件有限公司 | Wheel hub type moving guide device of agricultural greenhouse covering material collecting and releasing machine |
| CN114039444A (en) * | 2021-10-27 | 2022-02-11 | 浙江吉利控股集团有限公司 | Motor and vehicle |
-
2020
- 2020-06-17 CN CN202021129157.1U patent/CN212407524U/en active Active
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113700734A (en) * | 2021-08-25 | 2021-11-26 | 常熟得美零部件有限公司 | Wheel hub type moving guide device of agricultural greenhouse covering material collecting and releasing machine |
| CN113700734B (en) * | 2021-08-25 | 2023-02-03 | 常熟得美零部件有限公司 | Wheel hub type moving guide device of agricultural greenhouse covering material retracting machine |
| CN114039444A (en) * | 2021-10-27 | 2022-02-11 | 浙江吉利控股集团有限公司 | Motor and vehicle |
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