CN117302085A - Driving axle lubricating structure and automobile - Google Patents

Driving axle lubricating structure and automobile Download PDF

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Publication number
CN117302085A
CN117302085A CN202311242582.XA CN202311242582A CN117302085A CN 117302085 A CN117302085 A CN 117302085A CN 202311242582 A CN202311242582 A CN 202311242582A CN 117302085 A CN117302085 A CN 117302085A
Authority
CN
China
Prior art keywords
oil
drive axle
lubricating
differential
lubrication
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.)
Pending
Application number
CN202311242582.XA
Other languages
Chinese (zh)
Inventor
胡育玮
崔玉凯
崔均强
陈鑫海
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.)
FAW Jiefang Automotive Co Ltd
Original Assignee
FAW Jiefang Automotive 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 FAW Jiefang Automotive Co Ltd filed Critical FAW Jiefang Automotive Co Ltd
Priority to CN202311242582.XA priority Critical patent/CN117302085A/en
Publication of CN117302085A publication Critical patent/CN117302085A/en
Pending legal-status Critical Current

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Classifications

    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B60—VEHICLES IN GENERAL
    • B60R—VEHICLES, VEHICLE FITTINGS, OR VEHICLE PARTS, NOT OTHERWISE PROVIDED FOR
    • B60R17/00—Arrangements or adaptations of lubricating systems or devices
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B60—VEHICLES IN GENERAL
    • B60B—VEHICLE WHEELS; CASTORS; AXLES FOR WHEELS OR CASTORS; INCREASING WHEEL ADHESION
    • B60B35/00—Axle units; Parts thereof ; Arrangements for lubrication of axles
    • B60B35/12—Torque-transmitting axles
    • B60B35/121—Power-transmission from drive shaft to hub
    • B60B35/122—Power-transmission from drive shaft to hub using gearings
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
    • F16H—GEARING
    • F16H57/00—General details of gearing
    • F16H57/04—Features relating to lubrication or cooling or heating
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
    • F16H—GEARING
    • F16H57/00—General details of gearing
    • F16H57/04—Features relating to lubrication or cooling or heating
    • F16H57/0412—Cooling or heating; Control of temperature
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
    • F16H—GEARING
    • F16H57/00—General details of gearing
    • F16H57/04—Features relating to lubrication or cooling or heating
    • F16H57/042—Guidance of lubricant
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
    • F16H—GEARING
    • F16H57/00—General details of gearing
    • F16H57/04—Features relating to lubrication or cooling or heating
    • F16H57/0434—Features relating to lubrication or cooling or heating relating to lubrication supply, e.g. pumps ; Pressure control
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
    • F16H—GEARING
    • F16H57/00—General details of gearing
    • F16H57/04—Features relating to lubrication or cooling or heating
    • F16H57/045—Lubricant storage reservoirs, e.g. reservoirs in addition to a gear sump for collecting lubricant in the upper part of a gear case
    • 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
    • Y02T10/80—Technologies aiming to reduce greenhouse gasses emissions common to all road transportation technologies
    • Y02T10/86—Optimisation of rolling resistance, e.g. weight reduction 

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  • Engineering & Computer Science (AREA)
  • General Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • General Details Of Gearings (AREA)

Abstract

The invention relates to the technical field of automobiles, in particular to a drive axle lubricating structure and an automobile, wherein the drive axle lubricating structure comprises a drive axle shell, lubricating oil is arranged in the drive axle shell, a speed reducer and a differential mechanism are arranged in the drive axle shell, and part of the speed reducer is positioned in the lubricating oil; the oil storage assembly is arranged in the drive axle shell and can store lubricating oil carried up by the speed reducer or discharge the stored lubricating oil into the drive axle shell; the lubrication guide assembly is arranged on the drive axle shell and is communicated with the differential, and lubricating oil carried up by the speed reducer can lubricate the differential through the lubrication guide assembly. The invention can reduce the oil stirring loss, ensure the effective lubrication of the differential mechanism and ensure the efficiency of the drive axle assembly.

Description

Driving axle lubricating structure and automobile
Technical Field
The invention relates to the technical field of automobiles, in particular to a drive axle lubricating structure and an automobile.
Background
In the running process of the automobile, the drive axle needs to be lubricated in real time. In the prior art, a driving axle housing is provided with a certain amount of lubricating oil, and a part of a speed reducer and a part of a differential mechanism are soaked in the lubricating oil. In the process of rotating the speed reducer and the differential, the gear brings up lubricating oil to lubricate and cool. However, when the vehicle is not in a heavy-load working condition of climbing and slowing down, if the lubricating oil in the driving axle housing is more, or a certain stirring loss is caused, if the lubricating oil liquid level is lower, the lubricating effect of the differential mechanism is weakened, the risk of local heating exists, and additional efficiency loss is brought, so that the efficiency of the driving axle assembly is influenced.
Accordingly, a drive axle lubrication structure and an automobile are needed to solve the above-mentioned problems.
Disclosure of Invention
The invention aims to provide a drive axle lubricating structure and an automobile, which can reduce oil stirring loss, ensure effective lubrication of a differential mechanism and ensure the efficiency of a drive axle assembly.
To achieve the purpose, the invention adopts the following technical scheme:
a drive axle lubrication structure comprising:
the driving axle housing is provided with lubricating oil, a speed reducer and a differential mechanism are arranged in the driving axle housing, and part of the speed reducer is positioned in the lubricating oil;
the oil storage assembly is arranged in the drive axle shell and can store lubricating oil carried up by the speed reducer or discharge the stored lubricating oil into the drive axle shell;
the lubrication guide assembly is arranged on the drive axle shell and is communicated with the differential, and lubricating oil carried up by the speed reducer can lubricate the differential through the lubrication guide assembly.
Further, the oil storage assembly comprises an oil storage barrel and an electric control opening and closing valve, the oil storage barrel is arranged in the driving axle shell, an oil inlet hole and an oil drain hole are formed in the oil storage barrel, the oil inlet hole is located above the oil drain hole, the electric control opening and closing valve is arranged at the oil drain hole, and the electric control opening and closing valve is electrically connected with the controller.
Further, the lubrication guiding assembly comprises an oil guiding part and an oil guiding pipe assembly, the oil guiding part is provided with an oil guiding cavity, the oil guiding part is fixedly arranged on the driving axle shell, the oil guiding cavity is communicated with the driving axle shell, and the oil guiding pipe assembly is communicated with the oil guiding cavity and the differential mechanism.
Further, lead oil pipe subassembly and lead oil pipe, second and third including first oil pipe, first oil pipe the second lead oil pipe with the one end of third oil pipe all with lead the oil pocket intercommunication, the other end of first oil pipe with differential mechanism's left bearing end cover intercommunication, the other end of second oil pipe with differential mechanism's right bearing end cover intercommunication, the other end setting of third oil pipe is in differential mechanism's left shell department is used for lubricating differential mechanism's inner structure.
Further, a first oil through hole is formed in the left bearing end cover of the differential mechanism, and the first oil guide pipe is communicated with the first oil through hole.
Further, a second oil through hole is formed in the right bearing end cover of the differential mechanism, and the second oil guide pipe is communicated with the second oil through hole.
Further, an annular groove is formed in the left shell of the differential mechanism, a lubrication hole is formed in the annular groove, and the other end of the third oil guide pipe is located in the annular groove.
Further, a plurality of the lubrication holes are spaced apart from each other in the circumferential direction of the annular groove.
Further, the differential mechanism further comprises an annular cover plate, the left shell is provided with a connecting bolt, the annular cover plate is fixedly arranged on the left shell of the differential mechanism, and the annular cover plate is covered on one end, protruding relative to the left shell, of the connecting bolt.
An automobile comprising a body and a drive axle lubrication structure as described above, the drive axle lubrication structure being disposed in the body.
The invention has the beneficial effects that:
according to the drive axle lubricating structure provided by the invention, the speed reducer and the differential are arranged in the drive axle shell, lubricating oil is arranged in the drive axle shell, part of the speed reducer is positioned in the lubricating oil, the oil storage component is arranged in the drive axle shell, and the lubrication guide component is arranged on the drive axle shell. The oil storage assembly can store lubricating oil carried up by the speed reducer or discharge the stored lubricating oil into the drive axle housing. When the automobile is in a stable running working condition, part of lubricating oil is brought up along with the gear of the speed reducer and enters the oil storage assembly for storage, so that lubricating oil in a driving axle shell is reduced, stirring oil loss of the speed reducer is reduced, in the process, the lubricating oil can be poured into the differential through the lubricating guide assembly, the differential is lubricated and radiated, the differential is effectively lubricated, normal operation can be realized, and the risk of local heating is eliminated. Through the arrangement, the oil stirring loss can be reduced, meanwhile, the differential mechanism is effectively lubricated, and the efficiency of the drive axle assembly is guaranteed.
The automobile comprises the automobile body and the driving axle lubricating structure, wherein the driving axle lubricating structure is arranged in the automobile body, so that the oil stirring loss can be reduced, meanwhile, the differential mechanism is effectively lubricated, and the efficiency of a driving axle assembly is ensured.
Drawings
FIG. 1 is a schematic illustration of a drive axle lubrication configuration of the present invention;
FIG. 2 is a schematic illustration of the installation of an oil reservoir assembly in a drive axle lubrication configuration in accordance with the present invention;
FIG. 3 is a cross-sectional view of a differential in a drive axle lubrication configuration in accordance with the present invention;
FIG. 4 is a schematic illustration of a left housing of a differential in a transaxle lubrication configuration in accordance with the present invention;
FIG. 5 is a schematic illustration of an annular shroud plate in a drive axle lubrication configuration in accordance with the present invention;
FIG. 6 is a schematic illustration of an oil reservoir assembly in a drive axle lubrication configuration in accordance with the present invention;
FIG. 7 is a schematic illustration of a left bearing end cap in a drive axle lubrication configuration in accordance with the present invention;
FIG. 8 is a schematic view of a right bearing end cap in a drive axle lubrication configuration in accordance with the present invention;
FIG. 9 is a schematic illustration of a lubrication pilot assembly in a drive axle lubrication configuration in accordance with the present invention;
fig. 10 is a schematic flow diagram of lubricating oil in a drive axle lubrication structure according to the present invention.
In the figure:
1. a transaxle housing; 2. a speed reducer; 3. a differential; 31. a left bearing end cover; 311. a first oil hole; 32. a right bearing end cap; 321. a second oil passing hole; 33. a left shell; 331. an annular groove; 332. a lubrication hole; 34. a left bearing; 35. a right bearing; 4. an oil storage assembly; 41. an oil storage barrel; 411. an oil inlet hole; 42. an electric control opening and closing valve; 5. a lubrication guide assembly; 51. an oil guide; 52. a first oil conduit; 53. a second oil guide pipe; 54. a third oil guide pipe; 6. an annular cover plate.
Detailed Description
The technical scheme of the invention is further described below with reference to the attached drawings and the embodiments. It is to be understood that the specific embodiments described herein are merely illustrative of the invention and are not limiting thereof. It should be further noted that, for convenience of description, only some, but not all of the drawings related to the present invention are shown.
In the description of the present invention, it should be noted that, unless explicitly specified and limited otherwise, the terms "mounted," "connected," and "connected" are to be construed broadly, and may be either fixed or removable, for example; can be mechanically or electrically connected; can be directly connected or indirectly connected through an intermediate medium, and can be communication between two elements. The specific meaning of the above terms in the present invention will be understood in specific cases by those of ordinary skill in the art.
In the present invention, unless expressly stated or limited otherwise, a first feature "above" or "below" a second feature may include both the first and second features being in direct contact, as well as the first and second features not being in direct contact but being in contact with each other through additional features therebetween. Moreover, a first feature being "above," "over" and "on" a second feature includes the first feature being directly above and obliquely above the second feature, or simply indicating that the first feature is higher in level than the second feature. The first feature being "under", "below" and "beneath" the second feature includes the first feature being directly under and obliquely below the second feature, or simply means that the first feature is less level than the second feature.
In order to reduce oil stirring loss and ensure effective lubrication of a differential mechanism and efficiency of a drive axle assembly in the running process of an automobile, the invention provides a drive axle lubrication structure as shown in fig. 1-10. The drive axle lubrication structure comprises a drive axle housing 1, an oil storage assembly 4 and a lubrication guiding assembly 5.
The drive axle housing 1 is internally provided with lubricating oil, the drive axle housing 1 is internally provided with a speed reducer 2 and a differential 3, and part of the speed reducer 2 is positioned in the lubricating oil; the oil storage assembly 4 is arranged in the drive axle housing 1, and the oil storage assembly 4 can store lubricating oil carried up by the speed reducer 2 or discharge the stored lubricating oil into the drive axle housing 1; the lubrication guide assembly 5 is provided on the transaxle housing 1 and communicates with the differential 3, and the lubrication oil carried up through the reduction gear 2 can lubricate the differential 3 through the lubrication guide assembly 5.
When the automobile is in a stable running working condition, part of lubricating oil is carried up along with the gear of the speed reducer 2 and enters the oil storage assembly 4 for storage, so that the lubricating oil in the drive axle shell 1 is reduced, the stirring loss of the speed reducer 2 is reduced, in the process, the lubricating oil can be poured into the differential 3 through the lubricating guide assembly 5, the differential 3 is lubricated and radiated, the differential 3 is effectively lubricated, normal work can be ensured, and the risk of local heating is eliminated. Through the arrangement, the oil stirring loss can be reduced, meanwhile, the differential mechanism 3 is effectively lubricated, and the efficiency of the drive axle assembly is guaranteed.
Further, the oil storage assembly 4 comprises an oil storage barrel 41 and an electric control on-off valve 42, the oil storage barrel 41 is arranged in the drive axle shell 1, an oil inlet 411 and an oil drain hole are formed in the oil storage barrel 41, the oil inlet 411 is located above the oil drain hole, the electric control on-off valve 42 is arranged at the oil drain hole, and the electric control on-off valve 42 is electrically connected with the controller. Specifically, the controller is a whole vehicle controller, and the controller monitors the temperature of lubricating oil, the speed of the vehicle, the input torque of the speed reducer 2 and the road gradient in real time. When the gear oil temperature is high, the automobile rotating speed is low, the input torque of the speed reducer 2 is large, and the road gradient is steep, the controller controls the electric control on-off valve 42 to be opened, so that lubricating oil in the oil storage barrel 41 is discharged into the drive axle shell 1 to flow back, and sufficient lubricating oil is provided for each lubricating part. Damage and power loss caused by overheat of each component are prevented. When the automobile is in normal operation, the electronically controlled on-off valve 42 is closed and the lubricating oil is stored in the oil storage tank 41. The level of the lubricating oil in the transaxle case 1 is lowered to a certain height, and at this time, the stirring amount of the gears is minimized, the stirring loss is minimized, and the efficiency of the reduction gear 2 is improved.
Further, the lubrication guiding assembly 5 includes an oil guiding member 51 and an oil guiding tube assembly, the oil guiding member 51 has an oil guiding cavity, the oil guiding member 51 is fixedly arranged on the driving axle housing 1, the oil guiding cavity is communicated with the driving axle housing 1, and the oil guiding tube assembly is communicated with the oil guiding cavity and the differential 3. Through with lead oily spare 51 integration on transaxle casing 1, utilize to lead oil pipe subassembly and carry out accurate lubrication to differential mechanism 3 to guarantee that differential mechanism 3 can effectively obtain lubrication, guarantee that differential mechanism 3 can normally work.
Further, the oil guide pipe assembly comprises a first oil guide pipe 52, a second oil guide pipe 53 and a third oil guide pipe 54, one ends of the first oil guide pipe 52, the second oil guide pipe 53 and the third oil guide pipe 54 are communicated with the oil guide cavity, the other end of the first oil guide pipe 52 is communicated with the left bearing end cover 31 of the differential 3, the other end of the second oil guide pipe 53 is communicated with the right bearing end cover 32 of the differential 3, and the other end of the third oil guide pipe 54 is arranged at the left shell 33 of the differential 3 and used for lubricating the internal structure of the differential 3. The left bearing 34 is lubricated by the lubricating oil through the first oil guide pipe 52, the right bearing 35 is lubricated by the lubricating oil through the second oil guide pipe 53, and the differential 3 is internally lubricated by the lubricating oil through the third oil guide pipe 54, so that the left bearing 34 and the right bearing 35 of the differential 3 obtain proper lubricating oil quantity under the condition of low lubricating oil level, and the circulation of the lubricating oil is formed, the efficiency loss caused by overheating of parts is reduced, and the differential 3 can work normally. .
Further, a first oil through hole 311 is formed in the left bearing end cover 31 of the differential 3, and the first oil guide pipe 52 is communicated with the first oil through hole 311. By providing the first oil passing hole 311, the first oil guide pipe 52 is easily installed on the left bearing end cap 31. The lubricating oil enters the left bearing 34 through the first oil guide pipe 52 and the first oil passing hole 311, lubricates the left bearing 34, and then flows back into the transaxle case 1 through the left bearing 34.
Further, a second oil through hole 321 is formed in the right bearing end cover 32 of the differential mechanism 3, and the second oil guide pipe 53 is communicated with the second oil through hole 321. By providing the second oil passing hole 321, the second oil guide pipe 53 is facilitated to be mounted on the right bearing cap 32. The lubricating oil enters the right bearing 35 through the second oil guide pipe 53 and the second oil passage 321, lubricates the right bearing 35, and then flows back into the transaxle case 1 through the right bearing 35.
Further, an annular groove 331 is provided on the left casing 33 of the differential 3, a lubrication hole 332 is provided on the annular groove 331, and the other end of the third oil guide pipe 54 is located in the annular groove 331. Since the differential 3 is operated, the left case 33 rotates synchronously, so that the lubricating oil on the left case 33 is thrown out. By providing the annular groove 331, the lubricating oil can be accumulated in the annular groove 331, and the amount to be thrown out can be reduced. Moreover, the lubrication oil can enter the inside of the differential 3 through the lubrication hole 332 thereon, effecting lubrication of the internal parts, and returning to the bottom of the transaxle case 1 with rotation.
Further, a plurality of lubrication holes 332 are spaced apart from the annular groove 331 in the circumferential direction of the annular groove 331. With the above arrangement, the lubricating oil is facilitated to rapidly flow into the differential 3.
Further, the drive axle lubrication structure further includes an annular cover plate 6, a connecting bolt is provided on the left casing 33, the annular cover plate 6 is fixedly provided on the left casing 33 of the differential 3, and the annular cover plate 6 is covered on one end of the connecting bolt protruding relative to the left casing 33. Since the left case 33 rotates during the rotation, the connection bolt rotates with the left case 33, thereby generating a large churning loss. The annular cover plate 6 is press-fitted together by interference fit with the left casing 33 of the differential 3. The connecting bolts may be wrapped inside the annular cover plate 6 without contact with the lubricating oil. The outer portion of the annular cover plate 6 is rounded and immersed in the lubricating oil, thereby reducing the oil stirring loss and improving the efficiency of the differential 3.
The embodiment also provides an automobile, including automobile body and above transaxle lubricating structure, transaxle lubricating structure sets up in the automobile body, can reduce stirring oil loss in the time of guaranteeing to carry out effective lubrication to differential mechanism 3, guarantees the efficiency of transaxle assembly.
It is to be understood that the above examples of the present invention are provided for clarity of illustration only and are not limiting of the embodiments of the present invention. Other variations or modifications of the above teachings will be apparent to those of ordinary skill in the art. It is not necessary here nor is it exhaustive of all embodiments. Any modification, equivalent replacement, improvement, etc. which come within the spirit and principles of the invention are desired to be protected by the following claims.

Claims (10)

1. Transaxle lubricating structure, its characterized in that includes:
the driving axle comprises a driving axle shell (1), wherein lubricating oil is arranged in the driving axle shell (1), a speed reducer (2) and a differential mechanism (3) are arranged in the driving axle shell (1), and part of the speed reducer (2) is positioned in the lubricating oil;
-an oil storage assembly (4), the oil storage assembly (4) being arranged in the drive axle housing (1), the oil storage assembly (4) being capable of storing lubricating oil carried up through the reduction gear (2) or discharging stored lubricating oil into the drive axle housing (1);
lubrication guide subassembly (5), lubrication guide subassembly (5) set up on transaxle casing (1), and with differential mechanism (3) intercommunication, the lubricating oil that is past reduction gear (2) carry up can be through lubrication guide subassembly (5) is right differential mechanism (3) lubricate.
2. The drive axle lubricating structure according to claim 1, wherein the oil storage assembly (4) comprises an oil storage barrel (41) and an electric control on-off valve (42), the oil storage barrel (41) is arranged in the drive axle shell (1), an oil inlet hole (411) and an oil drain hole are formed in the oil storage barrel (41), the oil inlet hole (411) is located above the oil drain hole, the electric control on-off valve (42) is arranged at the oil drain hole, and the electric control on-off valve (42) is electrically connected with a controller.
3. The drive axle lubrication structure according to claim 1, wherein the lubrication guiding assembly (5) comprises an oil guiding member (51) and an oil guiding tube assembly, the oil guiding member (51) is provided with an oil guiding cavity, the oil guiding member (51) is fixedly arranged on the drive axle housing (1), the oil guiding cavity is communicated with the drive axle housing (1), and the oil guiding tube assembly is communicated with both the oil guiding cavity and the differential (3).
4. A transaxle lubricating structure according to claim 3, characterized in that the oil conduit assembly includes a first oil conduit (52), a second oil conduit (53) and a third oil conduit (54), one end of the first oil conduit (52), one end of the second oil conduit (53) and one end of the third oil conduit (54) are all communicated with the oil conduit chamber, the other end of the first oil conduit (52) is communicated with a left bearing end cap (31) of the differential (3), the other end of the second oil conduit (53) is communicated with a right bearing end cap (32) of the differential (3), and the other end of the third oil conduit (54) is provided at a left casing (33) of the differential (3) for lubricating an internal structure of the differential (3).
5. The drive axle lubrication structure according to claim 4, wherein a first oil through hole (311) is formed in a left bearing end cover (31) of the differential mechanism (3), and the first oil guide pipe (52) is communicated with the first oil through hole (311).
6. The drive axle lubrication structure according to claim 4, wherein a second oil through hole (321) is formed in a right bearing end cover (32) of the differential mechanism (3), and the second oil guide pipe (53) is communicated with the second oil through hole (321).
7. The drive axle lubrication structure according to claim 4, wherein an annular groove (331) is provided on a left casing (33) of the differential mechanism (3), a lubrication hole (332) is provided on the annular groove (331), and the other end of the third oil guide pipe (54) is located in the annular groove (331).
8. The transaxle lubricating structure according to claim 7, characterized in that a plurality of the lubricating holes (332) are provided in the annular groove (331) in a space along the circumference of the annular groove (331).
9. The transaxle lubricating structure according to claim 4, further comprising an annular cover plate (6), wherein a connecting bolt is provided on the left casing (33), the annular cover plate (6) is fixedly provided on the left casing (33) of the differential (3), and the annular cover plate (6) is covered on an end of the connecting bolt protruding relative to the left casing (33).
10. An automobile comprising a vehicle body and the transaxle lubricating structure as claimed in any one of claims 1 to 9, the transaxle lubricating structure being disposed in the vehicle body.
CN202311242582.XA 2023-09-25 2023-09-25 Driving axle lubricating structure and automobile Pending CN117302085A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN202311242582.XA CN117302085A (en) 2023-09-25 2023-09-25 Driving axle lubricating structure and automobile

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN202311242582.XA CN117302085A (en) 2023-09-25 2023-09-25 Driving axle lubricating structure and automobile

Publications (1)

Publication Number Publication Date
CN117302085A true CN117302085A (en) 2023-12-29

Family

ID=89287796

Family Applications (1)

Application Number Title Priority Date Filing Date
CN202311242582.XA Pending CN117302085A (en) 2023-09-25 2023-09-25 Driving axle lubricating structure and automobile

Country Status (1)

Country Link
CN (1) CN117302085A (en)

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