CN211343984U - Vehicle transmission lubricating system and vehicle - Google Patents
Vehicle transmission lubricating system and vehicle Download PDFInfo
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- CN211343984U CN211343984U CN201922500131.7U CN201922500131U CN211343984U CN 211343984 U CN211343984 U CN 211343984U CN 201922500131 U CN201922500131 U CN 201922500131U CN 211343984 U CN211343984 U CN 211343984U
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Abstract
The utility model provides a vehicle derailleur lubricating system and vehicle, vehicle derailleur lubricating system includes: the oil-gas transmission comprises a transmission shell, a first oil-gas separator and a second oil-gas separator, wherein an accommodating cavity is defined in the transmission shell and is used for accommodating oil, and a first lubricating oil path communicated with the accommodating cavity is arranged in the transmission shell; the motor cover plate is internally limited with an installation cavity, and a second lubricating oil path is arranged in the motor cover plate; the first oil pump is arranged on the transmission shell and used for pumping oil in the transmission shell to the clutch. The second oil pump is communicated with the second lubricating oil path; and the motor assembly and the idler wheel assembly are respectively arranged in the mounting cavity, and the motor assembly is connected with the second oil pump to drive the second oil pump to pump oil. The utility model discloses a vehicle transmission lubricating system can carry out rational distribution to fluid, improves lubricated efficiency. Meanwhile, the vehicle transmission lubricating system cancels a cooling oil pipe outside the transmission in the prior art, and avoids the risk of oil leakage caused by breakage of the outside oil pipe due to vehicle collision.
Description
Technical Field
The utility model relates to a vehicle transmission technical field especially relates to a vehicle transmission lubricating system and vehicle that has this derailleur lubricating system.
Background
In current hybrid transmissions, the motor drive train consists of a motor gear, an idler, and an idler bearing, among other things. In the working process of the transmission, an idler bearing and a motor gear need transmission oil (oil liquid) for lubrication, so that in the prior art, a cooling oil pipe is usually arranged outside a motor cover plate, the transmission oil is pumped out from a motor oil pump of the transmission and then shunts the oil liquid through a spacer, one part of the oil liquid enters an oil cooler and is led to a cooling clutch inside the transmission, the other part of the oil liquid reaches the motor cover plate through the cooling oil pipe outside the motor cover plate, an oil passage is arranged inside the motor cover plate, one part of the oil liquid is led to the idler bearing for lubricating the bearing, and the other part of the oil liquid is led to the motor gear through an oil nozzle.
However, because the oil pumping amount of the motor oil pump is limited, the oil pumping amount can only meet the cooling requirement of the clutch under extreme conditions. However, in the current design, the motor transmission needs to shunt a part of transmission oil to lubricate a motor gear and an idler bearing, so that the clutch is frequently overheated due to insufficient oil amount at the clutch in the actual operation process of the transmission.
The existing transmission has the defects that under various working conditions, the temperature of a clutch is very high, the requirement on cooling oil is very high, but a motor does not work, and the transmission oil is not needed for lubrication. This causes uneven distribution of transmission oil and reduced efficiency.
Therefore, the prior art designs do not take into account the requirements of the motor drive itself. And in current spatial arrangement, the motor oil pump is limited in size and cannot further increase the oil pumping amount. In addition, the oil pipe outside the transmission is likely to be damaged or the transmission oil is likely to leak at the time of collision, and safety is not high.
SUMMERY OF THE UTILITY MODEL
An object of the utility model is to provide a can effectively distribute vehicle transmission lubricating system of derailleur oil, solve among the prior art because of the pump oil volume of motor oil pump is limited, under extreme condition, can't satisfy the problem of the lubricated needs of clutch and motor gear, idler bearing simultaneously.
The utility model discloses a another aim is to simplify arranging of the fluid pipeline among the prior art, cancels external the relation, reduces the part, and reduce cost prevents simultaneously that the outside oil pipe of derailleur from leading to damaged and derailleur oil to leak easily in the collision, improves the security.
In particular, the utility model provides a vehicle transmission lubricating system, include:
the oil-gas transmission comprises a transmission shell, a first oil-gas separator and a second oil-gas separator, wherein an accommodating cavity is defined in the transmission shell and is used for accommodating oil, and a first lubricating oil path communicated with the accommodating cavity is arranged in the transmission shell so as to lead out the oil in the transmission shell through the first lubricating oil path;
the motor cover plate is internally limited with an installation cavity, the motor cover plate is connected with the transmission shell, and a second lubricating oil path communicated with the first lubricating oil path is arranged in the motor cover plate;
the first oil pump is arranged on the transmission shell and used for pumping oil in the transmission shell to the clutch so as to lubricate the clutch;
the second oil pump is arranged in the mounting cavity and communicated with the second lubricating oil path so as to pump the oil in the transmission shell out of the second lubricating oil path;
the motor assembly and the idler wheel assembly are respectively arranged in the mounting cavity, the motor assembly is connected with the second oil pump to drive the second oil pump to pump oil, and the second oil pump is configured to drive oil in the transmission shell to be pumped out by the second lubricating oil path to lubricate the motor assembly and the idler wheel assembly when the motor assembly works.
Further, the second lubricating oil passage includes:
one end of the oil inlet path is communicated with the first lubricating oil path, and the other end of the oil inlet path is communicated with the second oil pump;
the first oil outlet path is communicated with the second oil pump, an outlet of the first oil outlet path is opposite to the motor assembly, and an oil nozzle is arranged at the outlet of the first oil outlet path and used for injecting oil to the motor assembly;
and the second oil outlet passage is communicated with the first oil outlet passage, and the second oil outlet passage and the idler wheel assembly are oppositely arranged so as to be used for guiding oil into the idler wheel assembly.
Further, the second oil outlet passage is communicated with the middle position of the first oil outlet passage.
Further, the motor assembly includes:
the motor shaft is connected with the second oil pump to drive the second oil pump to pump oil;
the motor gear is arranged on the motor shaft, and the first oil outlet path is arranged in the mounting cavity and corresponds to the motor gear.
Further, the idler assembly includes:
the idler shaft is arranged in the mounting cavity, and an outlet of the second oil outlet path corresponds to the idler shaft;
an idler bearing coupled to the idler shaft to support the idler shaft;
an idler coupled with the idler bearing.
Further, the first oil pump and the second oil pump respectively adopt a mechanical pump or an electronic pump.
The utility model also provides a vehicle, including the vehicle derailleur lubricating system in the above-mentioned embodiment.
The utility model discloses a vehicle transmission lubricating system is provided with the second oil pump in the installation cavity of motor cover plate, the second oil pump is connected with motor element, drive second oil pump work at motor element during operation to lubricate motor element and idler subassembly, when motor element is out of work, the second oil pump stop work, motor element and idler subassembly do not need to lubricate this moment, guarantee that vehicle transmission lubricating system can carry out rational distribution to fluid, improve vehicle transmission lubricating system's lubricating efficiency. And simultaneously, the utility model discloses a vehicle transmission lubricating system has cancelled the outside cooling oil pipe of transmission among the prior art, through set up first lubricated oil circuit in the derailleur casing, at the inside second lubricated oil circuit that sets up with first lubricated oil circuit intercommunication of motor cover board, can carry fluid on motor element and the idler subassembly, avoids the vehicle collision to lead to outside oil pipe because of the risk of breaking and draining, reduces part and spatial arrangement simultaneously, reduction in production cost.
The above and other objects, advantages and features of the present invention will become more apparent to those skilled in the art from the following detailed description of specific embodiments thereof, taken in conjunction with the accompanying drawings.
Drawings
Some specific embodiments of the present invention will be described in detail hereinafter, by way of illustration and not by way of limitation, with reference to the accompanying drawings. The same reference numbers in the drawings identify the same or similar elements or components. Those skilled in the art will appreciate that the drawings are not necessarily drawn to scale. In the drawings:
fig. 1 is a cross-sectional view of a vehicle transmission lubrication system according to an embodiment of the present invention.
Reference numerals:
a vehicle transmission lubrication system 100;
a transmission case 10; a housing chamber 11; a first lubricating oil passage 12;
a motor cover plate 20; a mounting cavity 21; second lubricating oil passage 22; an oil inlet line 221; a first oil outlet passage 222; the second oil outlet passage 223;
a second oil pump 30;
a motor assembly 40; a motor shaft 41; a motor gear 42;
an idler assembly 50; an idler shaft 51; an idler bearing 52; an idler pulley 53;
an oil liquid 60.
Detailed Description
Referring to fig. 1, a vehicle transmission lubrication system 100 of the present invention is generally comprised of a transmission housing 10, a motor cover plate 20, a first oil pump (not shown), a second oil pump 30, a motor assembly 40, and an idler assembly 50. Wherein, processing has the chamber 11 of holding in the derailleur casing 10, can be used for splendid attire fluid 60 (transmission oil) in holding the chamber 11. A first lubricating oil path 12 communicated with the accommodating cavity 11 may be processed in the transmission housing 10, and the oil 60 in the transmission housing 10 may be guided out to the motor cover plate 20 through the first lubricating oil path 12, so as to lubricate the structure in the motor cover plate 20. An installation cavity 21 is formed in the motor cover plate 20, the motor cover plate 20 is connected with the transmission housing 10, a second lubricating oil path 22 communicated with the first lubricating oil path 12 is formed in the motor cover plate 20, and oil 60 in the transmission housing 10 can be led into the motor cover plate 20 through the first lubricating oil path 12 and the second lubricating oil path 22.
A first oil pump is mounted on the transmission housing 10 and pumps oil 60 in the transmission housing 10 to the clutch to lubricate the clutch. The utility model discloses an among the vehicle derailleur lubricating system 100, the fluid 60 that first oil pump pumped is all used for satisfying the cooling demand of clutch, guarantees the required pump oil mass of clutch cooling, prevents effectively that the frequent overheated problem of clutch from appearing because of the not enough fluid 60 of clutch cooling needs of derailleur in the actual motion process.
The second oil pump 30 is installed in the installation cavity 21 of the motor cover plate 20, the second oil pump 30 is communicated with the second lubricating oil path 22, and the second oil pump 30 can pump the oil 60 in the transmission housing 10 out of the second lubricating oil path 22 so as to lubricate the motor assembly 40 and the idler wheel assembly 50 in the motor cover plate 20. The motor assembly 40 and the idler assembly 50 are respectively installed in the installation cavity 21, the motor assembly 40 is connected with the second oil pump 30 to drive the second oil pump 30 to pump oil, and the second oil pump 30 is configured to drive the oil 60 in the transmission housing 10 to be pumped out through the first lubricating oil path 12 and the second lubricating oil path 22 to lubricate the motor assembly 40 and the idler assembly 50 when the motor assembly 40 works.
The utility model discloses a vehicle transmission lubricating system 100, install second oil pump 30 in the installation cavity 21 of motor cover plate 20, second oil pump 30 is connected with motor element 40, drive second oil pump 30 work at motor element 40 during operation, thereby lubricate motor element 40 and idler subassembly 50, when motor element 40 is out of work, second oil pump 30 stop work, motor element 40 and idler subassembly 50 do not need to lubricate this moment, guarantee vehicle transmission lubricating system 100 and can carry out rational distribution to fluid 60, improve vehicle transmission lubricating system 100's lubricating efficiency. And simultaneously, the utility model discloses a vehicle transmission lubricating system 100 has cancelled the outside cooling oil pipe of transmission among the prior art, through processing first lubricated oil circuit 12 in gearbox housing 10, at the inside second lubricated oil circuit 22 of processing and first lubricated oil circuit 12 intercommunication of motor cover plate 20, can carry motor element 40 and idler subassembly 50 with fluid 60 on, avoid the vehicle collision to lead to outside oil pipe because of the risk of breaking and draining, reduce part and spatial arrangement simultaneously, reduction in production cost.
According to an embodiment of the present invention, as shown in fig. 1, the second lubricating oil path 22 is mainly composed of an oil inlet path 221, a first oil outlet path 222, and a second oil outlet path 223. One end of the oil inlet passage 221 is communicated with the first lubricating oil passage 12, and the other end of the oil inlet passage 221 is communicated with the second oil pump 30. When the second oil pump 30 is operated, the transmission oil (the oil liquid 60) in the transmission case 10 is sucked into the second oil pump 30 through the first lubricating oil passage 12 and the oil inlet passage 221 by the negative pressure generated by the second oil pump 30, and when the second oil pump 30 rotates, the oil liquid 60 in the second oil pump 30 is discharged to the first oil outlet passage 222 and the second oil outlet passage 223 (the flow direction of the oil liquid is shown by the arrow direction in fig. 1). The first oil outlet passage 222 communicates with the second oil pump 30, and an outlet of the first oil outlet passage 222 is disposed opposite to the motor assembly 40, and an oil jet nozzle is mounted at an outlet of the first oil outlet passage 222, and the oil jet nozzle can jet the oil 60 discharged from the first oil outlet passage 222 to the motor assembly 40 for lubricating the motor assembly 40. The second oil outlet passage 223 is communicated with the first oil outlet passage 222, the second oil outlet passage 223 is disposed opposite to the idler pulley assembly 50, and when the second oil pump 30 rotates, the oil 60 in the second oil pump 30 can be discharged to the first oil outlet passage 222 and the second oil outlet passage 223, wherein the oil 60 discharged to the second oil outlet passage 223 can be used for guiding into the idler pulley assembly 50 to lubricate the idler pulley assembly 50. The utility model discloses a vehicle transmission lubricating system 100, through the first lubricated oil circuit 12 of processing in gearbox housing 10, at the inside second lubricated oil circuit 22 of processing and first lubricated oil circuit 12 intercommunication of motor cover plate 20, can carry motor element 40 and idler subassembly 50 with fluid 60 on, the outside cooling oil pipe of transmission among the prior art has been cancelled, avoid the vehicle collision to lead to outside oil pipe because of the risk of breaking and draining, reduce part and spatial arrangement simultaneously, reduction in production cost.
In some embodiments of the present invention, referring to fig. 1, the second oil outlet 223 is communicated with the middle position of the first oil outlet 222. Specifically, when the second oil pump 30 is operated to discharge the oil 60 to the first discharge, a part of the oil 60 is introduced into the oil jet through the first oil outlet passage 222 to lubricate the motor assembly 40, and the other part of the oil 60 is introduced into the second oil outlet passage 223 at an intermediate position of the first oil outlet passage 222 to lubricate the idler pulley assembly 50. Of course, it should be understood by those skilled in the art that the specific connection position and the angular arrangement of the first oil outlet passage 222 and the second oil outlet passage 223 in the motor cover plate 20 may be specifically configured according to the size of the motor assembly 40, the idler assembly 50 and the space in the motor cover plate 20, and the arrangement of the first oil outlet passage 222 and the second oil outlet passage 223 as long as the oil 60 can be introduced into the motor assembly 40 and the idler assembly 50 should fall within the protection scope of the present application.
According to an embodiment of the present invention, referring to fig. 1, the motor assembly 40 is mainly composed of a motor shaft 41 and a motor, wherein the motor shaft 41 is connected to the second oil pump 30, and the second oil pump 30 is driven to pump oil by the rotation of the motor shaft 41. The motor gear 42 is mounted on the motor shaft 41, the first oil outlet passage 222 is positioned in the mounting cavity 21 to correspond to the motor gear 42, and the second oil pump 30 can discharge the oil 60 to the motor gear 42 through the first oil outlet passage 222 for lubricating the motor gear 42. Idler assembly 50 is comprised primarily of an idler shaft 51, an idler bearing 52, and an idler 53. Wherein the idler shaft 51 is installed in the installation cavity 21, and the outlet of the second oil passage 223 corresponds to the idler shaft 51. An idler bearing 52 is coupled to the idler shaft 51, and the idler bearing 52 supports the idler shaft 51. The idler wheel 53 is connected to the idler bearing 52. The utility model discloses a vehicle transmission lubricating system 100 drives second oil pump 30 pump oil when motor shaft 41 rotates to lubricate motor gear 42 and idler shaft 51, when motor shaft 41 is out of work, second oil pump 30 stop work, motor gear 42 and idler bearing 52 do not need to be lubricated this moment, guarantee that vehicle transmission lubricating system 100 can carry out rational distribution to fluid 60, improve vehicle transmission lubricating system 100's lubricating efficiency.
According to a preferred embodiment of the present invention, the first and second oil pumps 30 are respectively a mechanical pump or an electronic pump. Wherein the electronic pump is further operable to control the electronic pump to provide lubrication to the motor gear 42 and the idler bearing 52 via the transmission control unit.
In a word, the utility model discloses a vehicle transmission lubricating system 100 is provided with second oil pump 30 in the installation cavity 21 of motor apron 20, second oil pump 30 is connected with motor shaft 41, drive second oil pump 30 work at motor shaft 41 during operation, thereby lubricate motor gear 42 and idler bearing 52, when motor shaft 41 is out of work, second oil pump 30 stop work, motor gear 42 and idler bearing 52 do not need to lubricate this moment, guarantee vehicle transmission lubricating system 100 and can carry out rational distribution to fluid 60, improve vehicle transmission lubricating system 100's lubrication efficiency. And simultaneously, the utility model discloses a vehicle transmission lubricating system 100 has cancelled the outside cooling oil pipe of transmission among the prior art, through set up first lubricated oil circuit 12 in gearbox housing 10, at the inside second lubricated oil circuit 22 that sets up with first lubricated oil circuit 12 intercommunication of motor cover plate 20, can carry motor gear 42 and idler bearing 52 with fluid 60 on, avoid the vehicle collision to lead to outside oil pipe because of the risk of breaking and draining, reduce part and spatial arrangement simultaneously, reduction in production cost.
The utility model discloses still provide a vehicle includes vehicle transmission lubricating system 100 in the above-mentioned embodiment. Because according to the utility model discloses vehicle transmission lubricating system 100 has above-mentioned technological effect, therefore, according to the utility model discloses a vehicle also has corresponding technological effect, promptly the utility model discloses a vehicle adopts this vehicle transmission lubricating system 100, installs second oil pump 30 in the installation cavity 21 of motor apron 20, second oil pump 30 is connected with motor shaft 41, drives second oil pump 30 work at motor shaft 41 during operation to lubricate motor gear 42 and idler bearing 52, when motor shaft 41 is out of work, second oil pump 30 stop work, motor gear 42 and idler bearing 52 do not need to lubricate this moment, guarantee that vehicle transmission lubricating system 100 can carry out rational distribution to fluid 60, improve vehicle transmission lubricating system 100's lubricating efficiency. And simultaneously, the utility model discloses a vehicle adopts this vehicle transmission lubricating system 100 to cancel the outside cooling oil pipe of transmission among the prior art, through set up first lubricated oil circuit 12 in gearbox housing 10, at the inside second lubricated oil circuit 22 that sets up and first lubricated oil circuit 12 intercommunication of motor cover plate 20, can carry motor gear 42 and idler bearing 52 with fluid 60 on, avoid the vehicle collision to lead to outside oil pipe because of the risk of breaking and draining, reduce part and spatial arrangement simultaneously, reduction in production cost.
Other structures and operations of the vehicle according to the embodiments of the present invention will be understood and readily implemented by those skilled in the art, and thus will not be described in detail.
Thus, it should be appreciated by those skilled in the art that while a number of exemplary embodiments of the invention have been shown and described in detail herein, many other variations and modifications can be made, consistent with the principles of the invention, which are directly determined or derived from the disclosure herein, without departing from the spirit and scope of the invention. Accordingly, the scope of the present invention should be understood and interpreted to cover all such other variations or modifications.
Claims (7)
1. A vehicle transmission lubrication system, comprising:
the oil-gas transmission comprises a transmission shell, a first oil-gas separator and a second oil-gas separator, wherein an accommodating cavity is defined in the transmission shell and is used for accommodating oil, and a first lubricating oil path communicated with the accommodating cavity is arranged in the transmission shell so as to lead out the oil in the transmission shell through the first lubricating oil path;
the motor cover plate is internally limited with an installation cavity, the motor cover plate is connected with the transmission shell, and a second lubricating oil path communicated with the first lubricating oil path is arranged in the motor cover plate;
the first oil pump is arranged on the transmission shell and used for pumping oil in the transmission shell to the clutch so as to lubricate the clutch;
the second oil pump is arranged in the mounting cavity and communicated with the second lubricating oil path so as to pump the oil in the transmission shell out of the second lubricating oil path;
the motor assembly and the idler wheel assembly are respectively arranged in the mounting cavity, the motor assembly is connected with the second oil pump to drive the second oil pump to pump oil, and the second oil pump is configured to drive oil in the transmission shell to be pumped out by the second lubricating oil path to lubricate the motor assembly and the idler wheel assembly when the motor assembly works.
2. The vehicle transmission lubrication system according to claim 1, wherein the second lubrication oil passage includes:
one end of the oil inlet path is communicated with the first lubricating oil path, and the other end of the oil inlet path is communicated with the second oil pump;
the first oil outlet path is communicated with the second oil pump, an outlet of the first oil outlet path is opposite to the motor assembly, and an oil nozzle is arranged at the outlet of the first oil outlet path and used for injecting oil to the motor assembly;
and the second oil outlet passage is communicated with the first oil outlet passage, and the second oil outlet passage and the idler wheel assembly are oppositely arranged so as to be used for guiding oil into the idler wheel assembly.
3. The vehicle transmission lubrication system according to claim 2, wherein the second oil outlet passage communicates with an intermediate position of the first oil outlet passage.
4. The vehicle transmission lubrication system of claim 2, wherein the electric machine assembly comprises:
the motor shaft is connected with the second oil pump to drive the second oil pump to pump oil;
the motor gear is arranged on the motor shaft, and the first oil outlet path is arranged in the mounting cavity and corresponds to the motor gear.
5. The vehicle transmission lubrication system of claim 2, wherein the idler assembly comprises:
the idler shaft is arranged in the mounting cavity, and an outlet of the second oil outlet path corresponds to the idler shaft;
an idler bearing coupled to the idler shaft to support the idler shaft;
an idler coupled with the idler bearing.
6. The vehicle transmission lubrication system according to claim 1, wherein the first oil pump and the second oil pump each employ a mechanical pump or an electronic pump.
7. A vehicle comprising a vehicle transmission lubrication system as claimed in any one of claims 1 to 6.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201922500131.7U CN211343984U (en) | 2019-12-31 | 2019-12-31 | Vehicle transmission lubricating system and vehicle |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201922500131.7U CN211343984U (en) | 2019-12-31 | 2019-12-31 | Vehicle transmission lubricating system and vehicle |
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| Publication Number | Publication Date |
|---|---|
| CN211343984U true CN211343984U (en) | 2020-08-25 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201922500131.7U Active CN211343984U (en) | 2019-12-31 | 2019-12-31 | Vehicle transmission lubricating system and vehicle |
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| Country | Link |
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| CN (1) | CN211343984U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114673727A (en) * | 2022-04-07 | 2022-06-28 | 浙江吉利控股集团有限公司 | Thrust bearing, hybrid transmission and vehicle |
-
2019
- 2019-12-31 CN CN201922500131.7U patent/CN211343984U/en active Active
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114673727A (en) * | 2022-04-07 | 2022-06-28 | 浙江吉利控股集团有限公司 | Thrust bearing, hybrid transmission and vehicle |
| CN114673727B (en) * | 2022-04-07 | 2024-04-12 | 浙江吉利控股集团有限公司 | Thrust bearing, hybrid transmission and vehicle |
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