CN212584231U - Electric assembly of vehicle - Google Patents

Electric assembly of vehicle Download PDF

Info

Publication number
CN212584231U
CN212584231U CN202020553565.3U CN202020553565U CN212584231U CN 212584231 U CN212584231 U CN 212584231U CN 202020553565 U CN202020553565 U CN 202020553565U CN 212584231 U CN212584231 U CN 212584231U
Authority
CN
China
Prior art keywords
shaft
oil
clutch
engine shaft
bearing
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Active
Application number
CN202020553565.3U
Other languages
Chinese (zh)
Inventor
陈大启
刘春磊
李军
刘鹏
程作
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
BYD Co Ltd
Original Assignee
BYD Co Ltd
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by BYD Co Ltd filed Critical BYD Co Ltd
Priority to CN202020553565.3U priority Critical patent/CN212584231U/en
Application granted granted Critical
Publication of CN212584231U publication Critical patent/CN212584231U/en
Active legal-status Critical Current
Anticipated expiration legal-status Critical

Links

Images

Landscapes

  • General Details Of Gearings (AREA)

Abstract

The utility model discloses an electric assembly of vehicle, electric assembly of vehicle includes: a box body; the engine shaft is arranged in the box body, and a lubricating oil hole and a clutch oil hole are formed in the same end of the engine shaft. According to the utility model discloses vehicle electric assembly has advantages such as space utilization height.

Description

Electric assembly of vehicle
Technical Field
The utility model belongs to the technical field of the vehicle technique and specifically relates to an electric assembly of vehicle is related to.
Background
In a vehicle according to the related art, a power train of the vehicle needs to lubricate components such as bearings and gears with lubricating oil. Some vehicles set up lubricated oil hole and separation and reunion oilhole on the clutch shaft, and lubricated oil hole and separation and reunion oilhole set up respectively at the both ends of clutch shaft, lead to the oil duct that links to each other with lubricated oil hole and separation and reunion oilhole of seting up on the box like this, need arrange at the both ends of clutch shaft, the outside at the both ends of clutch shaft all needs to reserve certain box oil duct's the space of arranging promptly, causes space utilization to be lower.
SUMMERY OF THE UTILITY MODEL
The utility model discloses aim at solving one of the technical problem that exists among the prior art at least. Therefore, an object of the present invention is to provide a vehicle electric assembly, which has the advantages of high space utilization, etc.
To achieve the above object, according to an embodiment of the present invention, there is provided a vehicle electric assembly including: a box body; the engine shaft is arranged in the box body, and a lubricating oil hole and a clutch oil hole are formed in the same end of the engine shaft.
According to the utility model discloses vehicle electric assembly has advantages such as space utilization height.
According to some embodiments of the present invention, the vehicle electric assembly further comprises: the direct-drive gear sleeve is mounted on the engine shaft through a first bearing and mounted on the box body through a second bearing; the oil seal is arranged between the engine shaft and the box body; wherein the lubricating oil hole is communicated with the first bearing, the second bearing and the oil seal.
Further, the vehicle electric powertrain further includes: a clutch hub mounted to the engine shaft; wherein the lubrication oil hole and the clutch oil hole are both communicated with an inside of the clutch hub.
Further, the lubricating oil hole penetrates through an end face of the same end of the engine shaft and extends in an axial direction of the engine shaft; the engine shaft is configured with a first lubricating oil passage and a second lubricating oil passage extending in a radial direction thereof, the lubricating oil hole communicates with the first bearing, the second bearing and the oil seal through the first lubricating oil passage, and the lubricating oil hole communicates with the inside of the clutch hub through the second lubricating oil passage.
Furthermore, the clutch oil hole penetrates through the end face of the same end of the engine shaft and extends along the axial direction of the engine shaft, and a clutch oil inlet communicated with the clutch oil hole is formed in the side wall of the engine shaft; the engine shaft is configured with a clutch oil passage, and the clutch oil hole is communicated with the inside of the clutch hub through the clutch oil passage.
According to some specific examples of the utility model, the engine shaft the outer peripheral face of same one end with be equipped with first movable sealing member and second movable sealing member between the box, first movable sealing member with second movable sealing member is in be located respectively in the axial of engine shaft the both sides of separation and reunion oil import.
Furthermore, the same end of the engine shaft is provided with an oil plug for plugging the clutch oil hole.
According to some embodiments of the present invention, the vehicle electric assembly further comprises: the generator shaft is arranged in the box body; a generator shaft gear provided on the generator shaft and engaged with the engine shaft; the clutch hub is provided with an oil hole, and lubricating oil in the clutch hub is thrown out to the generator shaft gear through the oil hole.
According to some embodiments of the present invention, the vehicle electric assembly further comprises: the double-shaft assembly is arranged in the box body and is arranged on the box body through a third bearing; the double-shaft gear is arranged on the double-shaft assembly and is meshed with the direct-drive gear sleeve; the driving motor shaft is arranged in the box body and is meshed with the two-shaft gear; the differential mechanism is arranged in the box body and is meshed with the two shaft closing parts; the oil guide plate is arranged at the end part of the two-shaft assembly, and is provided with an oil guide hole which is communicated with the third bearing through the two-shaft oil passage.
Further, the driving motor shaft is mounted on the box body through a fourth bearing, a motor shaft oil passage extending along the axial direction of the driving motor shaft is constructed in the driving motor shaft, an oil baffle plate is arranged at the end of the driving motor shaft, the oil baffle plate is provided with a throttling hole, and the motor shaft oil passage is communicated with the fourth bearing through the throttling hole.
Additional aspects and advantages of the invention 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 invention.
Drawings
The above and/or additional aspects and advantages of the present invention will become apparent and readily appreciated from the following description of the embodiments, taken in conjunction with the accompanying drawings of which:
fig. 1 is a partial cross-sectional view of a vehicle electric assembly according to an embodiment of the present invention.
Fig. 2 is another partial cross-sectional view of a vehicle electric assembly according to an embodiment of the present invention.
Reference numerals:
a box body 10,
The engine shaft 20, the lubricating oil hole 210, the clutch oil hole 220, the first lubricating oil passage 230, the second lubricating oil passage 240, the clutch oil inlet 250, the clutch oil passage 260, the first dynamic seal 270, the second dynamic seal 280, the oil block 290, the oil seal,
Direct drive gear sleeve 30, first bearing 310, second bearing 320, oil seal 330,
A clutch hub 40, an oil hole 410,
A generator shaft 50,
A generator shaft gear 60,
Two-shaft assembly 70, third bearing 710, two-shaft oil passage 720, oil guide plate 730, oil guide hole 740,
A biaxial gear 80,
Drive motor shaft 90, fourth bearing 910, motor shaft oil passage 920, oil baffle 930, orifice 940,
A differential 100.
Detailed Description
Reference will now be made in detail to embodiments of the present invention, examples of which are illustrated in the accompanying drawings, wherein like reference numerals refer to the same or similar elements or elements having the same or similar function throughout. The embodiments described below with reference to the drawings are exemplary only for the purpose of explaining the present invention, and should not be construed as limiting the present invention.
In the description of the present invention, it is to be understood that the terms "central", "axial", "radial", "circumferential", and the like, indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings, and are only for convenience of description and simplicity of 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 thus, should not be construed as limiting the present invention.
In the description of the present invention, "the first feature" or "the second feature" may include one or more of the features; "plurality" means two or more.
The following describes a vehicle electric assembly according to an embodiment of the present invention with reference to the drawings.
As shown in fig. 1, a vehicle electric assembly according to an embodiment of the present invention includes a case 10 and an engine shaft 20.
The engine shaft 20 is disposed in the case 10, and a lubrication oil hole 210 and a clutch oil hole 220 are formed at the same end of the engine shaft 20, that is, the lubrication oil hole 210 and the clutch oil hole 220 are formed at the same end of the engine shaft 20.
According to the utility model discloses vehicle electric assembly, through seting up lubricating oil hole 210 and clutch oil hole 220 in engine shaft 20 same one end, for set up the prior art of lubricating oil hole and clutch oil hole respectively at clutch shaft both ends, can set up the corresponding box oil duct of lubricating oil hole 210 and clutch oil hole 220 in engine shaft 20's one end, only promptly in the outside arrangement space of reserving the box oil duct of one end of engine shaft 20 can, the space of the engine shaft 20 other end has been released, thereby space utilization has been improved.
Therefore, according to the utility model discloses vehicle electric assembly has advantages such as space utilization height.
In some embodiments of the present invention, as shown in fig. 1, the vehicle electric assembly further includes a direct drive gear sleeve 30 and an oil seal 330.
The direct drive sleeve 30 is mounted to the engine shaft 20 through a first bearing 310, and the direct drive sleeve 30 is mounted to the case 10 through a second bearing 320. The oil seal 330 is provided between the engine shaft 20 and the case 10, for example, the direct drive sleeve 30 and the oil seal 330 are provided adjacent to an end of the engine shaft 20 where the lubricating oil hole 210 and the clutch oil hole 220 are not opened.
Wherein the lubricating oil hole 210 communicates with the first bearing 310, the second bearing 320 and the oil seal 330.
Further, the vehicle electric assembly further includes a clutch hub 40.
A clutch hub 40 is mounted to the engine shaft 20, and the clutch hub 40 may be located between the direct drive sleeve 30 and the teeth of the engine shaft 20 in an axial direction of the engine shaft 20.
Wherein the lubricating oil hole 210 and the clutch oil hole 220 are communicated with the inside of the clutch hub 40.
In this manner, the lubrication hole 210 can be utilized to deliver lubrication oil to the first bearing 310, the second bearing 320, the oil seal 330, and the clutch hub 40 to lubricate these components.
In some specific examples of the present invention, as shown in fig. 1, the lubricating oil hole 210 penetrates through an end surface of the same end of the engine shaft 20, and the lubricating oil hole 210 extends in an axial direction of the engine shaft 20.
The engine shaft 20 is configured with a first lubricating oil passage 230 and a second lubricating oil passage 240, the first lubricating oil passage 230 and the second lubricating oil passage 240 each extend in a radial direction of the engine shaft 20 and each communicate with the lubricating oil hole 210, the lubricating oil hole 210 communicates with the first bearing 310, the second bearing 320 and the oil seal 330 through the first lubricating oil passage 230, and the lubricating oil hole 210 communicates with the inside of the clutch hub 40 through the second lubricating oil passage 240.
Specifically, the lubricant in the casing 10 enters from the lubricant hole 210 at the end of the engine shaft 20, flows to the first bearing 310, the oil seal 330, and the second bearing 320 through the first lubricant passage 230 of the engine shaft 20, and provides lubrication to the first bearing 310, the oil seal 330, and the second bearing 320.
Therefore, the lubricating oil hole 210, the first lubricating oil passage 230 and the second lubricating oil passage 240 are arranged in the engine shaft 20, so that the first bearing 310, the oil seal 330 and the second bearing 320 can be actively lubricated, the components are lubricated by using the structure of the engine shaft 20, the first bearing 310, the oil seal 330 and the second bearing 320 do not need to be lubricated by arranging an additional oil passage on the box body 10, and the structure of the box body 10 is simplified.
The first lubricating oil passages 230 and the second lubricating oil passages 240 may be respectively provided in plural numbers, the plural first lubricating oil passages 230 are arranged at intervals in the circumferential direction of the engine shaft 20, and the plural second lubricating oil passages 240 are arranged at intervals in the circumferential direction of the engine shaft 20, and of course, the first lubricating oil passages 230 and the second lubricating oil passages 240 may be also respectively arranged in plural rows arranged in the axial direction of the engine shaft 20.
In some specific examples of the present invention, as shown in fig. 1, the clutch oil hole 220 penetrates the end surface of the same end of the engine shaft 20, and the clutch oil hole 220 extends along the axial direction of the engine shaft 20, and the side wall of the engine shaft 20 is provided with a clutch oil inlet 250 communicating with the lubricating oil hole 210.
The engine shaft 20 is configured with a clutch oil passage 260, and the clutch oil passage 260 communicates with the clutch oil hole 220, and the clutch oil hole 220 communicates with the inside of the clutch hub 40 through the clutch oil passage 260.
Further, as shown in fig. 1, the vehicle electric powertrain further includes a generator shaft 50 and a generator shaft gear 60.
The generator shaft 50 is provided in the case 10. The generator shaft gear 60 is disposed on the generator shaft 50 and is engaged with the engine shaft 20, for example, the generator shaft gear 60 may be engaged with teeth configured on the engine shaft 20.
The clutch hub 40 is provided with an oil hole 410, the oil hole 410 may be opened in a radial side wall of the clutch hub 40, and the lubricating oil in the clutch hub 40 is thrown out to the generator shaft gear 60 through the oil hole 410.
Specifically, the lubricating oil in the casing 10 enters from the lubricating oil hole 210 at the end of the engine shaft 20, flows to the clutch hub 40 through the second lubricating oil channel 240 of the engine shaft 20, and the lubricating oil in the clutch hub 40 is thrown out through the oil hole 410 to provide lubrication for the generator shaft gear 60, so that an additional oil channel does not need to be provided on the casing 10 to provide lubrication for the generator shaft gear 60, and the structure of the casing 10 is further simplified.
Wherein, the same end of the engine shaft 20 is provided with an oil plug 290 for plugging the clutch oil hole 220, and the oil plug 290 can be installed in a threaded connection manner, so as to avoid mixing of clutch oil and lubricating oil.
It is to be understood that, in order to facilitate the processing of the clutch oil hole 220, the clutch oil hole 220 is opened from the end surface of the engine shaft 20, and then the clutch oil inlet 250 is provided to feed the clutch oil to the clutch oil hole 220, and the oil seal 290 is provided to seal the end of the clutch oil hole 220.
In some embodiments of the present invention, as shown in fig. 1, the outer peripheral surface of the same end of the engine shaft 20 is sleeved with a first dynamic sealing element 270 and a second dynamic sealing element 280, and the first dynamic sealing element 270 and the second dynamic sealing element 280 are located between the engine shaft 20 and the box 10 to perform a dynamic sealing function. The first dynamic seal 270 and the second dynamic seal 280 are respectively located on both sides of the clutch oil inlet 250 in the axial direction of the engine shaft 20.
In this embodiment, the first dynamic seal 270 and the second dynamic seal 280 are dynamic seal rings.
In the prior art that a lubricating oil hole and a clutch oil hole are respectively formed at two ends of a clutch shaft in the related art, two ends of an engine shaft 20 need to be dynamically sealed independently, so that the number of dynamic sealing elements required is large, and the cost is high.
And the embodiment of the utility model provides an electronic assembly of vehicle, because lubricating oil hole 210 and clutch oil hole 220 set up at the same one end of engine shaft 20, consequently adopt two movable sealing parts (be first movable sealing part 270 and second movable sealing part 280) can realize the sealed to lubricating oil hole 210 and clutch oil hole 220, both guaranteed the leakproofness, the cost is reduced again.
In some embodiments of the present invention, as shown in fig. 1 and 2, the vehicle electric assembly further includes a double shaft assembly 70, a double shaft gear 80, a drive motor shaft 90, and a differential 100.
The biaxial assembly 70 is disposed in the casing 10, and it is understood that the biaxial assembly 70 is a set of biaxial and related components, and the biaxial assembly 70 is mounted to the casing 10 through the third bearing 710. The biaxial gear 80 is provided on the biaxial assembly 70 and meshes with the direct drive sleeve 30. The drive motor shaft 90 is disposed within the housing 10 and engages the dual axis gear 80, e.g., teeth configured on the drive motor shaft 90 engage the dual axis gear 80. The differential 100 is disposed within the case 10 and engages the dual axis 70, e.g., the differential 100 engages teeth configured on the dual axis 70.
The two-shaft assembly 70 is internally provided with a two-shaft oil passage 720 extending along the axial direction of the two-shaft assembly 70, the end part of the two-shaft assembly 70 is provided with an oil guide plate 730, the oil guide plate 730 is provided with an oil guide hole 740, the oil guide hole 740 is communicated with the two-shaft oil passage 720, and the oil guide hole 740 is communicated with the third bearing 710 through the two-shaft oil passage 720.
Specifically, the lubricating oil from the inside of the casing 10 passes through the oil guide hole 740 of the oil guide plate 730, flows from the two-shaft oil passage 720 to the third bearing 710, and lubricates the third bearing 710, so that an additional oil passage for lubricating the third bearing 710 is not required to be arranged on the casing 10, and the structure of the casing 10 is further simplified.
In some specific examples of the present invention, as shown in fig. 2, the driving motor shaft 90 is mounted on the box body 10 through the fourth bearing 910, the motor shaft oil passage 920 extending along the axial direction of the driving motor shaft 90 is configured in the driving motor shaft 90, the end portion of the driving motor shaft 90 is provided with the oil baffle 930, the oil baffle 930 is provided with the orifice 940, the orifice 940 is communicated with the motor shaft oil passage 920, and the motor shaft oil passage 920 is communicated with the fourth bearing 910 through the orifice 940.
Specifically, the lubricating oil from the driving motor passes through the motor shaft oil channel 920, is throttled by the throttle hole 940 on the oil baffle plate 930, and flows to the fourth bearing 910 to lubricate the fourth bearing 910. Therefore, the lubricating oil can be guided to lubricate the fourth bearing 910, the lubricating oil in the driving motor shaft 90 can be ensured not to excessively flow to the fourth bearing 910 to cause poor motor lubrication, an extra oil channel is not required to be arranged on the box body 10 to lubricate the fourth bearing 910, and the structure of the box body 10 is simplified.
In the embodiment of the present invention, the box 10 may be an integral piece, and certainly, for the convenience of disassembling and assembling the internal components, the box 10 may also be a separate piece, that is, the box 10 is assembled by a plurality of separate parts.
Other configurations and operations of the vehicle electric assembly according to the embodiments of the present invention are known to those skilled in the art and will not be described in detail herein.
In the description herein, references to the description of the terms "particular embodiment," "particular example," etc., mean 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 invention. In this specification, the schematic representations of the terms used above do not necessarily refer to the same embodiment or example.
While embodiments of the present invention have been shown and described, it will be understood by those of ordinary skill in the art that: various changes, modifications, substitutions and alterations can be made to the embodiments without departing from the principles and spirit of the invention, the scope of which is defined by the claims and their equivalents.

Claims (10)

1. A vehicle electric powertrain, comprising:
a box body;
the engine shaft is arranged in the box body, and a lubricating oil hole and a clutch oil hole are formed in the same end of the engine shaft.
2. The vehicle electric powertrain of claim 1, further comprising:
the direct-drive gear sleeve is mounted on the engine shaft through a first bearing and mounted on the box body through a second bearing;
the oil seal is arranged between the engine shaft and the box body;
wherein the lubricating oil hole is communicated with the first bearing, the second bearing and the oil seal.
3. The vehicle electric powertrain of claim 2, further comprising:
a clutch hub mounted to the engine shaft;
wherein the lubrication oil hole and the clutch oil hole are both communicated with an inside of the clutch hub.
4. The vehicle electric assembly according to claim 3, wherein the oil hole extends through an end surface of the same end of the engine shaft and in an axial direction of the engine shaft;
the engine shaft is configured with a first lubricating oil passage and a second lubricating oil passage extending in a radial direction thereof, the lubricating oil hole communicates with the first bearing, the second bearing and the oil seal through the first lubricating oil passage, and the lubricating oil hole communicates with the inside of the clutch hub through the second lubricating oil passage.
5. The vehicle electric assembly according to claim 3, wherein the clutch oil hole penetrates through an end surface of the same end of the engine shaft and extends in an axial direction of the engine shaft, and a side wall of the engine shaft is provided with a clutch oil inlet communicating with the clutch oil hole;
the engine shaft is configured with a clutch oil passage, and the clutch oil hole is communicated with the inside of the clutch hub through the clutch oil passage.
6. The vehicle electric motor assembly according to claim 5, wherein a first dynamic seal and a second dynamic seal are provided between an outer peripheral surface of the same end of the engine shaft and the case, the first dynamic seal and the second dynamic seal being located on both sides of the clutch oil inlet in an axial direction of the engine shaft, respectively.
7. The vehicle electric assembly according to claim 5, wherein the same end of the engine shaft is provided with an oil block that blocks the clutch oil hole.
8. The vehicle electric powertrain of claim 3, further comprising:
the generator shaft is arranged in the box body;
a generator shaft gear provided on the generator shaft and engaged with the engine shaft;
the clutch hub is provided with an oil hole, and lubricating oil in the clutch hub is thrown out to the generator shaft gear through the oil hole.
9. The vehicle electric assembly according to any one of claims 2 to 8, characterized by further comprising:
the double-shaft assembly is arranged in the box body and is arranged on the box body through a third bearing;
the double-shaft gear is arranged on the double-shaft assembly and is meshed with the direct-drive gear sleeve;
the driving motor shaft is arranged in the box body and is meshed with the two-shaft gear;
the differential mechanism is arranged in the box body and is meshed with the two shaft closing parts;
the oil guide plate is arranged at the end part of the two-shaft assembly, and is provided with an oil guide hole which is communicated with the third bearing through the two-shaft oil passage.
10. The vehicle electric assembly according to claim 9, wherein the drive motor shaft is mounted to the case through a fourth bearing, a motor shaft oil passage extending in an axial direction of the drive motor shaft is formed in the drive motor shaft, an oil baffle plate is provided at an end of the drive motor shaft, the oil baffle plate is provided with an orifice, and the motor shaft oil passage communicates with the fourth bearing through the orifice.
CN202020553565.3U 2020-04-14 2020-04-14 Electric assembly of vehicle Active CN212584231U (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN202020553565.3U CN212584231U (en) 2020-04-14 2020-04-14 Electric assembly of vehicle

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN202020553565.3U CN212584231U (en) 2020-04-14 2020-04-14 Electric assembly of vehicle

Publications (1)

Publication Number Publication Date
CN212584231U true CN212584231U (en) 2021-02-23

Family

ID=74647814

Family Applications (1)

Application Number Title Priority Date Filing Date
CN202020553565.3U Active CN212584231U (en) 2020-04-14 2020-04-14 Electric assembly of vehicle

Country Status (1)

Country Link
CN (1) CN212584231U (en)

Similar Documents

Publication Publication Date Title
US11137060B2 (en) Electric drive unit cooling and lubrication system with bearing shims and rotor shaft channel
US8641568B2 (en) Electric machine for an electric axle of a motor vehicle
US20160208905A1 (en) Planetary gear device
US8397595B2 (en) Drive unit for a motor vehicle
US8727923B2 (en) Drivetrain
CN108711997B (en) Multifunctional motor bearing sealing structure
CN103711898A (en) System for supplying fluid to transmission control elements
CN213270963U (en) Electric power assembly forced lubrication system
US12049951B2 (en) Pump stage assembly, external gear pump, use of a pump stage assembly and vehicle transmission
CN115750752A (en) Hybrid electric drive system and hybrid vehicle
CN115635838A (en) Hybrid power speed change mechanism assembly, hybrid power electric drive system and vehicle
CN212584231U (en) Electric assembly of vehicle
CN212804168U (en) Self-sealing differential mechanism structure lubricating system
CN106838287B (en) A kind of gearbox oil way
CN219888693U (en) Lubricating structure system of new energy rear-drive speed reducer
CN113389884A (en) Planetary gear reducer and car
CN100353092C (en) Lubrication structure for manual transmission
CN216478808U (en) AT gearbox output shaft structure and AT gearbox
CN106594250B (en) Lubrication mechanism for planetary gear train supporting bearing in wind power gear box
CN204389165U (en) For Bench Test System and the packoff thereof of wet dual clutch transmission
CN210068902U (en) Electric drive assembly
CN109356997B (en) Novel pure electric reduction gearbox
CN211449594U (en) Novel high-power one-shaft power takeoff
CN112303217A (en) Intermediate gear box for hybrid electric locomotive
CN209414584U (en) The lubrication system of bridge case integrated gearbox system

Legal Events

Date Code Title Description
GR01 Patent grant
GR01 Patent grant