CN219062381U - Input shaft assembly lubricating structure and hybrid transmission - Google Patents
Input shaft assembly lubricating structure and hybrid transmission Download PDFInfo
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- CN219062381U CN219062381U CN202320147402.9U CN202320147402U CN219062381U CN 219062381 U CN219062381 U CN 219062381U CN 202320147402 U CN202320147402 U CN 202320147402U CN 219062381 U CN219062381 U CN 219062381U
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- input shaft
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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02T—CLIMATE CHANGE MITIGATION TECHNOLOGIES RELATED TO TRANSPORTATION
- Y02T10/00—Road transport of goods or passengers
- Y02T10/60—Other road transportation technologies with climate change mitigation effect
- Y02T10/62—Hybrid vehicles
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Abstract
The utility model relates to an input shaft assembly lubrication structure which comprises a transmission shell, a motor input shaft, an engine input shaft and a clutch shaft, wherein a shell oil passage is arranged in the shell wall of the transmission shell, the motor input shaft is internally provided with the motor input shaft oil passage, the engine input shaft is internally provided with the engine input shaft oil passage, the clutch shaft is internally provided with the clutch shaft oil passage, and the shell oil passage, the motor input shaft oil passage, the engine input shaft oil passage and the clutch shaft oil passage are sequentially communicated to form a lubrication oil passage; a first oil outlet gap is formed between the left end part of the motor input shaft and the shell wall of the transmission shell, a second oil outlet gap is formed between the motor input shaft and the engine input shaft, a third oil outlet gap is formed between the engine input shaft and the clutch shaft, a first oil outlet is formed in the motor input shaft, and a second oil outlet is formed in the clutch shaft. The utility model also provides a hybrid transmission. The utility model improves the lubrication efficiency, simplifies the lubrication structure and reduces the manufacturing cost.
Description
Technical Field
The utility model relates to an automobile, in particular to an input shaft assembly lubricating structure and a hybrid transmission.
Background
With popularization and popularization of new energy automobiles, users put forward higher requirements on the drivability of the automobiles. The motor driving assembly with high rotation speed and high torque can improve the drivability, but generates a large amount of heat in the running process, and places higher requirements on lubrication and cooling of a transmission system. The utility model provides a lubrication structure of hybrid transmission among the prior art has the problem that structure is complicated and manufacturing cost is high, for example the patent application of application number CN201710432133.X discloses a hybrid motor coach motor bearing lubrication structure, and this hybrid motor coach motor bearing lubrication structure has set up two lubrication circuit, and the lubrication oil circuit is comparatively complicated, and manufacturing cost is high.
Disclosure of Invention
The utility model aims to provide an input shaft assembly lubrication structure and a hybrid transmission, so as to reduce or eliminate the problems of complex structure and high manufacturing cost of the lubrication structure of the hybrid transmission.
The utility model discloses an input shaft assembly lubricating structure, which comprises a transmission shell and an input shaft assembly, wherein the input shaft assembly comprises a motor input shaft, an engine input shaft and a clutch shaft which are sequentially connected from left to right, the motor input shaft, the engine input shaft and the clutch shaft are rotatably connected in the transmission shell, a shell oil duct is arranged in the shell wall of the transmission shell, a motor input shaft oil duct penetrating through the left end face and the right end face of the motor input shaft is arranged in the motor input shaft, an engine input shaft oil duct penetrating through the left end face and the right end face of the engine input shaft is arranged in the engine input shaft, a clutch shaft oil duct penetrating through the left end face of the clutch shaft is arranged in the clutch shaft, and the shell oil duct, the motor input shaft oil duct, the engine input shaft oil duct and the clutch shaft oil duct are sequentially communicated to form a lubricating oil duct; a first oil outlet gap communicated with the lubricating oil duct is arranged between the left end part of the motor input shaft and the shell wall of the transmission shell, a second oil outlet gap communicated with the lubricating oil duct is arranged between the right end part of the motor input shaft and the left end part of the engine input shaft, the clutch comprises an engine input shaft, a clutch shaft and a clutch oil passage, wherein a third oil outlet gap communicated with the lubricating oil passage is arranged between the right end part of the engine input shaft and the left end part of the clutch shaft, a first oil outlet communicated with the lubricating oil passage is arranged on the motor input shaft, and a second oil outlet communicated with the lubricating oil passage is arranged on the clutch shaft.
Optionally, a throttle valve is arranged at the right end of the motor input shaft oil duct.
Optionally, the motor input shaft is supported on the transmission housing through the first bearing and the second bearing, the first oil outlet gap is arranged corresponding to the first bearing, a plurality of first oil outlet holes are formed in the motor input shaft, and at least one first oil outlet hole is arranged corresponding to the second bearing.
Optionally, a motor rotor is installed on the motor input shaft, and at least one first oil outlet is correspondingly arranged with the motor rotor.
Optionally, the motor driving device further comprises a third bearing and a fourth bearing, wherein the third bearing is arranged between the right end part of the motor input shaft and the left end part of the engine input shaft, the fourth bearing is arranged between the right end part of the engine input shaft and the left end part of the clutch shaft, the second oil outlet gap is correspondingly arranged with the third bearing, and the third oil outlet gap is correspondingly arranged with the fourth bearing.
Optionally, the third bearing is in clearance fit with a right end portion of the motor input shaft or a left end portion of the engine input shaft.
Optionally, the fourth bearing is in clearance fit with a right end portion of the engine input shaft or a left end portion of the clutch shaft.
Optionally, the clutch shaft is supported on the transmission housing through a fifth bearing, and the second oil outlet is arranged corresponding to the fifth bearing.
Optionally, the motor input shaft, the engine input shaft and the clutch shaft are coaxially arranged.
The utility model provides a hybrid transmission, which comprises the lubricating structure of the input shaft assembly.
The utility model has the following characteristics: through the structure of reasonable setting lubrication oil way, set up a lubrication oil way and can satisfy the lubrication demand, improved lubrication efficiency, simplified lubrication structure, reduced manufacturing cost.
Drawings
Fig. 1 is a schematic structural diagram of a lubrication structure of an input shaft assembly according to an embodiment.
Wherein, 1-the transmission housing; 2-a motor input shaft; 3-an engine input shaft; 4-clutch shaft; 5-throttle valve; 6-a first bearing; 7-a second bearing; 8-a third bearing; 9-fourth bearings; 10-a fifth bearing; 201-a motor input shaft oil passage; 202-a first oil outlet hole; 301-engine input shaft oil passage; 401-clutch shaft oil passage; 402-a second oil outlet.
Detailed Description
Further advantages and effects of the present utility model will become readily apparent to those skilled in the art from the disclosure herein, by referring to the accompanying drawings and the preferred embodiments. The utility model may be practiced or carried out in other embodiments that depart from the specific details, and the details of the present description may be modified or varied from the spirit and scope of the present utility model. It should be understood that the preferred embodiments are presented by way of illustration only and not by way of limitation.
It should be noted that the illustrations provided in the following embodiments merely illustrate the basic concept of the present utility model by way of illustration, and only the components related to the present utility model are shown in the drawings and are not drawn according to the number, shape and size of the components in actual implementation, and the form, number and proportion of the components in actual implementation may be arbitrarily changed, and the layout of the components may be more complicated.
The input shaft assembly lubrication structure as shown in fig. 1 comprises a transmission shell 1 and an input shaft assembly, wherein the input shaft assembly comprises a motor input shaft 2, an engine input shaft 3 and a clutch shaft 4 which are sequentially connected from left to right, the motor input shaft 2, the engine input shaft 3 and the clutch shaft 4 are rotatably connected in the transmission shell 1, a shell oil duct is arranged in a shell wall of the transmission shell 1, a motor input shaft oil duct 201 penetrating through the left end face and the right end face of the motor input shaft 2 is arranged in the motor input shaft 2, an engine input shaft oil duct 301 penetrating through the left end face and the right end face of the engine input shaft 3 is arranged in the engine input shaft 3, a clutch shaft oil duct 401 penetrating through the left end face of the clutch shaft 4 is arranged in the clutch shaft 4, the right end of the clutch shaft oil duct 401 is closed, and the shell oil duct, the motor input shaft oil duct 201, the engine input shaft oil duct 301 and the clutch shaft oil duct 401 are sequentially communicated to form a lubrication oil duct; a first oil outlet gap communicated with a lubricating oil duct is arranged between the left end part of the motor input shaft 2 and the shell wall of the transmission shell 1, a second oil outlet gap communicated with the lubricating oil duct is arranged between the right end part of the motor input shaft 2 and the left end part of the engine input shaft 3, a third oil outlet gap communicated with the lubricating oil duct is arranged between the right end part of the engine input shaft 3 and the left end part of the clutch shaft 4, a first oil outlet 202 communicated with the lubricating oil duct is arranged on the motor input shaft 2, and a second oil outlet 402 communicated with the lubricating oil duct is arranged on the clutch shaft 4. By adopting the technical scheme, through reasonable arrangement of the lubricating oil duct, the first oil outlet gap, the second oil outlet gap, the third oil outlet gap, the first oil outlet 202 and the second oil outlet 402, the peripheral motor rotor and the bearing of the input shaft assembly can be lubricated by utilizing one lubricating oil way, the service performance of the input shaft assembly can be ensured, the service life of the hybrid power system is prolonged, the lubricating efficiency is improved, the lubricating structure is simplified, and the manufacturing cost is reduced.
In some embodiments, the right end of the motor input shaft oil passage 201 is provided with a throttle valve 5. The throttle valve 5 is arranged to reasonably distribute lubricating oil in the lubricating oil path, so that the lubricating effect is ensured. In specific implementation, an axial through hole is formed in the throttle valve 5, the throttle valve 5 is in interference fit with the right end portion of the motor input shaft oil duct 201, and the throttle valve 5 is in clearance fit with the left end portion of the engine input shaft oil duct 301.
In some embodiments, the input shaft assembly lubrication structure further includes a first bearing 6 and a second bearing 7, the motor input shaft 2 is supported on the transmission housing 1 through the first bearing 6 and the second bearing 7, the first oil outlet gap is disposed corresponding to the first bearing 6, the lubricating oil output by the first oil outlet gap can lubricate the first bearing 6, a plurality of first oil outlet holes 202 are disposed on the motor input shaft 2, at least one first oil outlet hole 202 is disposed corresponding to the second bearing 7, and the lubricating oil output by the at least one first oil outlet hole 202 can lubricate the second bearing 7. As a specific example, the left end portion of the motor input shaft 2 is clearance-fitted with the wall of the transmission case 1 with an axial clearance to form a first oil discharge clearance.
In some embodiments, the motor input shaft 2 is provided with a motor rotor, and at least one first oil outlet 202 is disposed corresponding to the motor rotor. The lubricating oil outputted from the at least one first oil outlet hole 202 is capable of lubricating the motor rotor.
In some embodiments, the input shaft assembly lubrication structure further includes a third bearing 8 and a fourth bearing 9, the third bearing 8 is disposed between the right end portion of the motor input shaft 2 and the left end portion of the engine input shaft 3, the fourth bearing 9 is disposed between the right end portion of the engine input shaft 3 and the left end portion of the clutch shaft 4, the second oil outlet gap is disposed corresponding to the third bearing 8, the lubricating oil output by the second oil outlet gap is capable of lubricating the third bearing 8, the third oil outlet gap is disposed corresponding to the fourth bearing 9, and the lubricating oil output by the third oil outlet gap is capable of lubricating the fourth bearing 9. As a specific example, the right end portion of the motor input shaft 2 and the left end portion of the engine input shaft 3 are clearance-fitted with an axial clearance to form a second oil discharge clearance. As a specific example, the right end portion of the engine input shaft 3 and the left end portion of the clutch shaft 4 are clearance-fitted with an axial clearance to form a third oil discharge clearance.
In some embodiments, the third bearing 8 is in clearance fit with the right end of the motor input shaft 2 or the left end of the engine input shaft 3, and the clearance formed by the clearance fit can output lubricating oil, which helps to realize circulation of the lubricating oil.
In some embodiments, the fourth bearing 9 is in clearance fit with the right end of the engine input shaft 3 or the left end of the clutch shaft 4, and the clearance formed by the clearance fit can output lubricating oil, which helps to realize circulation of the lubricating oil.
In some embodiments, the input shaft assembly lubrication structure further includes a fifth bearing 10, the clutch shaft 4 is supported on the transmission housing 1 through the fifth bearing 10, the second oil outlet 402 is disposed corresponding to the fifth bearing 10, and the lubricating oil output from the second oil outlet 402 can lubricate the fifth bearing 10. In particular implementation, the second oil outlet 402 is provided between the bearing housing hole of the fifth bearing 10 and the oil seal of the outer periphery of the clutch shaft 4.
In some embodiments, the motor input shaft 2, the engine input shaft 3, and the clutch shaft 4 are coaxially disposed.
In some embodiments, the present disclosure also provides a hybrid transmission including an input shaft assembly lubrication structure as described in any one of the above.
With an input shaft assembly lubrication structure as shown in fig. 1, lubricating oil passes through a housing oil duct to reach an oil chamber between a housing wall of a transmission housing 1 and a motor input shaft 2, and a part of the lubricating oil lubricates a first bearing 6 through a first oil outlet gap, and another part of the lubricating oil enters a motor input shaft oil duct 201. After the lubricating oil enters the motor input shaft oil passage 201, a part of the lubricating oil sequentially lubricates the motor rotor and the second bearing 7 through the plurality of first oil outlet holes 202, and the other part of the lubricating oil passes through the throttle valve 5. After the lubricating oil passes through the throttle valve 5, a part of the lubricating oil lubricates the third bearing 8 through the second oil outlet gap, and another part of the lubricating oil enters the engine input shaft oil passage 301 to reach the clutch shaft oil passage 401. After the lubricating oil reaches the clutch shaft oil passage 401, a part of the lubricating oil lubricates the five bearings 10 through the second oil outlet hole 402, and another part of the lubricating oil lubricates the fourth bearing 9 through the third oil outlet gap. During operation of the transmission system, lubricating oil enters the oil duct of the shell from the oil cavity of the transmission, flows through the lubricating structure of the input shaft assembly and then enters the oil cavity of the transmission again, and the cycle is repeated.
The above embodiments are merely preferred embodiments for fully explaining the present utility model, and the scope of the present utility model is not limited thereto. Equivalent substitutions and modifications will occur to those skilled in the art based on the present utility model, and are intended to be within the scope of the present utility model. In the description of the present specification, a description referring to the terms "one embodiment," "some embodiments," "examples," "particular examples," or "some examples," etc., means that a particular feature, structure, material, or characteristic is included in at least one embodiment or example of the utility model in connection with the embodiment or example. In this specification, schematic representations of the above terms are not necessarily directed to the same embodiment or example. Furthermore, the particular features, structures, materials, or characteristics described may be combined in any suitable manner in any one or more embodiments or examples. Further, one skilled in the art can engage and combine the different embodiments or examples described in this specification.
In the description of the present utility model, it should be understood that the orientations indicated by the terms "left", "right", etc. are orientations indicated based on the coordinate system in fig. 1, only to facilitate description of the present utility model and simplify description, and are not intended to indicate or imply that the device or element being 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 utility model.
Claims (10)
1. The utility model provides an input shaft assembly lubricating structure which characterized in that, includes derailleur casing and input shaft assembly, the input shaft assembly includes motor input shaft, engine input shaft and the clutch shaft that connects gradually from left to right, motor input shaft, engine input shaft and clutch shaft all rotatable coupling are in the derailleur casing, be provided with the casing oil duct in the shell wall of derailleur casing, be provided with the motor input shaft oil duct that runs through the left end face and the right-hand member face of motor input shaft in the motor input shaft, be provided with the engine input shaft oil duct that runs through the left end face and the right-hand member face of engine input shaft in the engine input shaft, be provided with in the clutch shaft and run through the clutch shaft oil duct of clutch shaft left end face, the casing oil duct, motor input shaft oil duct, engine input shaft oil duct and clutch shaft oil duct communicate in proper order and constitute lubricating oil duct; a first oil outlet gap communicated with the lubricating oil duct is arranged between the left end part of the motor input shaft and the shell wall of the transmission shell, a second oil outlet gap communicated with the lubricating oil duct is arranged between the right end part of the motor input shaft and the left end part of the engine input shaft, the clutch comprises an engine input shaft, a clutch shaft and a clutch oil passage, wherein a third oil outlet gap communicated with the lubricating oil passage is arranged between the right end part of the engine input shaft and the left end part of the clutch shaft, a first oil outlet communicated with the lubricating oil passage is arranged on the motor input shaft, and a second oil outlet communicated with the lubricating oil passage is arranged on the clutch shaft.
2. The input shaft assembly lubrication structure of claim 1, wherein a throttle valve is provided at a right end of the motor input shaft oil passage.
3. The input shaft assembly lubrication structure according to claim 1, further comprising a first bearing and a second bearing, wherein the motor input shaft is supported on the transmission housing through the first bearing and the second bearing, the first oil outlet gap is provided corresponding to the first bearing, a plurality of first oil outlet holes are provided on the motor input shaft, and at least one of the first oil outlet holes is provided corresponding to the second bearing.
4. The input shaft assembly lubrication structure according to claim 3, wherein the motor input shaft is provided with a motor rotor, and at least one of the first oil outlet holes is provided corresponding to the motor rotor.
5. The input shaft assembly lubrication structure according to claim 1, further comprising a third bearing provided between a right end portion of the motor input shaft and a left end portion of the engine input shaft, and a fourth bearing provided between a right end portion of the engine input shaft and a left end portion of the clutch shaft, the second oil discharge gap being provided in correspondence with the third bearing, and the third oil discharge gap being provided in correspondence with the fourth bearing.
6. The input shaft assembly lubrication structure of claim 5, wherein the third bearing is clearance fit with a right end of the motor input shaft or a left end of the engine input shaft.
7. The input shaft assembly lubrication structure of claim 5, wherein the fourth bearing is clearance fit with a right end of the engine input shaft or a left end of the clutch shaft.
8. The input shaft assembly lubrication structure according to claim 1, further comprising a fifth bearing through which the clutch shaft is supported on the transmission case, the second oil outlet being provided in correspondence with the fifth bearing.
9. The input shaft assembly lubrication structure of claim 1, wherein the motor input shaft, the engine input shaft, and the clutch shaft are coaxially disposed.
10. A hybrid transmission comprising the input shaft assembly lubrication structure of any one of claims 1-9.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202320147402.9U CN219062381U (en) | 2023-01-18 | 2023-01-18 | Input shaft assembly lubricating structure and hybrid transmission |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202320147402.9U CN219062381U (en) | 2023-01-18 | 2023-01-18 | Input shaft assembly lubricating structure and hybrid transmission |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN219062381U true CN219062381U (en) | 2023-05-23 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202320147402.9U Active CN219062381U (en) | 2023-01-18 | 2023-01-18 | Input shaft assembly lubricating structure and hybrid transmission |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN219062381U (en) |
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2023
- 2023-01-18 CN CN202320147402.9U patent/CN219062381U/en active Active
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