Oil guide member, gear, and speed reducer assembly

Abstract

A speed reducer assembly, comprising a gear, which comprises an oil guide member. The oil guide member comprises a first connecting portion and a second connecting portion, wherein the first connecting portion is adapted to be loosely sleeved on a first rotating shaft; the second connecting portion is connected to the first connecting portion and extends in a direction away from the first connecting portion, such that the second connecting portion and the first connecting portion jointly define an oil storage chamber, a first oil outlet is formed on the oil storage chamber, and the first oil outlet is adapted to face the second rotating shaft; and the first rotating shaft can be driven by the second rotating shaft to rotate so as to collect oil into the oil storage chamber, and lubricating oil in the oil storage chamber is guided to the second rotating shaft through the first oil outlet.

Description

Oil guide parts, gears and reducer assembly

[0001] CROSS-REFERENCE TO RELATED APPLICATIONS

[0002] This application claims priority to the Chinese patent application filed with the State Intellectual Property Office of China on October 31, 2023, with application number 202322947015.6 and titled “Oil guide, gear, reducer assembly and vehicle thereof,” the entire contents of which are incorporated by reference into this application. Technical Field

[0003] The present application relates to the field of oil guide technology, and in particular to an oil guide component, a gear, and a reducer assembly. Background Art

[0004] During high-speed operation of a reducer assembly, friction occurs within its components, leading to localized heat buildup and impacting the assembly's functionality, performance, and lifespan. Therefore, a well-maintained lubrication system plays a crucial role in ensuring the assembly's operation. The main reduction gear and differential are the components subject to the greatest stress during operation, making their lubrication extremely important.

[0005] In the related art, the problem of poor lubrication of the main reduction gear and the differential is usually solved by increasing the amount of oil. However, the above method will reduce the transmission efficiency of the differential and increase the cost.

[0006] Public content

[0007] The present application aims to solve at least one of the technical problems existing in the prior art. To this end, one purpose of the present application is to provide an oil guide member that improves the lubrication efficiency of the lubricating oil, thereby using less lubricating oil to lubricate the second rotating shaft, thereby reducing the demand for lubricating oil and lowering costs.

[0008] The second object of this application is to provide a gear using the above-mentioned oil guide member.

[0009] The third object of the present application is to provide a reducer assembly using the above-mentioned oil guide member and gear.

[0010] The fourth object of the present application is to provide a vehicle using the above-mentioned reducer assembly.

[0011] According to the first aspect of the present application, the oil guide member includes a first connecting part, which is suitable for being emptied on the first rotating shaft; and a second connecting part, which is connected to the first connecting part and extends in a direction away from the first connecting part, so that the second connecting part and the first connecting part jointly define an oil storage chamber, and a first oil outlet is formed on the wall of the oil storage chamber, and the first oil outlet is suitable for being opposite to the second rotating shaft; wherein, the first rotating shaft can be rotated under the drive of the second rotating shaft to collect oil into the oil storage chamber, and the lubricating oil in the oil storage chamber is guided to the second rotating shaft through the first oil outlet.

[0012] According to the oil guide part of the embodiment of the present application, the second connecting part and the first connecting part jointly define an oil storage chamber, and the first rotating shaft can rotate under the drive of the second rotating shaft to collect oil into the oil storage chamber. The lubricating oil in the oil storage chamber is guided to the second rotating shaft through the first oil outlet, thereby improving the lubrication efficiency of the lubricating oil. Less lubricating oil can be used to meet the lubrication of the second rotating shaft, thereby reducing the demand for lubricating oil and reducing costs.

[0013] According to some embodiments of the present application, the first connecting portion includes an extending segment extending along the axial direction of the first rotating shaft, and the extending segment covers at least a portion of the first rotating shaft along the circumferential direction of the first rotating shaft.

[0014] According to some embodiments of the present application, the second connecting portion includes a first connecting section, which is arranged on a side of the extension section adjacent to the second rotating shaft, and the first connecting section extends axially along the extension section to jointly define the oil storage chamber with the extension section.

[0015] According to some embodiments of the present application, the second connecting portion further includes a second connecting segment and a third connecting segment, the second connecting segment and the third connecting segment extend along the circumference of the extension segment, and the second connecting segment and the third connecting segment are located on the same side of the thickness direction of the first connecting segment to jointly enclose the oil storage cavity.

[0016] According to some embodiments of the present application, the second connecting portion further includes a protrusion, which is provided on a side of the first connecting section adjacent to the second rotating shaft, and the first oil outlet passes through the first connecting section and the protrusion.

[0017] According to some embodiments of the present application, a first opening is formed on the first connecting portion, and the first opening is suitable for being opposite to the first rotating shaft.

[0018] According to some embodiments of the present application, a plurality of first drainage ribs are provided on the first connecting portion, and the plurality of first drainage ribs are all located in the oil storage cavity and are arranged at intervals along the circumference of the first connecting portion.

[0019] According to some embodiments of the present application, a plurality of second drainage ribs are provided on the first connecting portion, the plurality of second drainage ribs are respectively located on both sides of the first opening, and the plurality of second drainage ribs are arranged at intervals along the circumference of the first connecting portion.

[0020] According to some embodiments of the present application, the oil guide member also includes a third connecting portion, which is connected to the outer periphery of the first connecting portion and extends in a direction away from the first connecting portion. The third connecting portion is opposite to the first opening, and a second opening is formed on the third connecting portion, and the second opening is connected to the first opening.

[0021] According to some embodiments of the present application, the second connecting part and the third connecting part are spaced apart in the circumferential direction of the first connecting part, and a plurality of positioning columns are provided on the first connecting part, and the plurality of positioning columns are spaced apart along the circumferential direction of the first connecting part, and one of the plurality of positioning columns is located between the second connecting part and the third connecting part.

[0022] According to some embodiments of the present application, the oil guide member also includes a fourth connecting portion, which is connected to the outer periphery of the first connecting portion and extends along the circumference of the first connecting portion, and the fourth connecting portion and the third connecting portion are respectively located on both sides of the axial direction of the first connecting portion.

[0023] According to some embodiments of the present application, a side surface of the fourth connecting portion adjacent to the third connecting portion is provided with a plurality of first ribs and a plurality of second ribs, the plurality of first ribs are arranged at intervals along the radial direction of the first connecting portion, and each of the first ribs extends circumferentially along the first connecting portion, and the plurality of second ribs are arranged at intervals along the circumference of the first connecting portion, and each of the second ribs extends radially along the first connecting portion.

[0024] According to some embodiments of the present application, a limiting protrusion is provided on the first connecting portion, and a magnetic attraction component is installed on the limiting protrusion.

[0025] According to the second aspect of the present application, the gear includes a shaft portion, the outer periphery of which is suitable for sleeve-mounting a first bearing; a tooth portion, which is arranged at one end of the shaft portion and is used to rotate with the shaft portion; and an oil guide channel, which is formed inside the shaft portion and / or the tooth portion, and the two ends of the oil guide channel are respectively opposite to the first oil outlet of the oil guide member and the first bearing; wherein the oil guide member is the oil guide member according to the above-mentioned first aspect of the present application.

[0026] According to some embodiments of the present application, an oil baffle is provided on one side of the oil guide channel close to the first oil outlet, and at least one through hole is formed on the oil baffle, and the first oil outlet is connected to the oil guide channel through the through hole.

[0027] According to some embodiments of the present application, a third channel is formed on the shaft portion, and the third channel is connected to the first channel.

[0028] According to the third aspect of the present application, the reducer assembly includes a housing, in which a differential is arranged; an oil guide member, which is loosely mounted on the rotating shaft of the differential, and the oil guide member is the oil guide member according to the first aspect of the present application; a driving gear; and a driven gear, the driving gear being meshed with the driven gear, the driven gear being fixedly connected to the differential, the driven gear being sleeved on the rotating shaft of the differential, and being used to stir oil from the housing after being driven by the driving gear to provide lubricating oil, and the driving gear being the gear according to the second aspect of the present application.

[0029] According to some embodiments of the present application, the oil guide member is fixedly connected to the housing.

[0030] The vehicle according to the fourth embodiment of the present application includes the reducer assembly according to the third embodiment of the present application.

[0031] Additional aspects and advantages of the present application will be given in part in the description below, and in part will become obvious from the description below, or will be learned through practice of the present application. BRIEF DESCRIPTION OF THE DRAWINGS

[0032] The above and / or additional aspects and advantages of the present application will become apparent and easily understood from the description of the embodiments in conjunction with the following drawings, in which:

[0033] FIG1 is a schematic diagram of an oil guide member according to an embodiment of the present application;

[0034] FIG2 is a schematic diagram of the oil guide member shown in FIG1 from another angle;

[0035] FIG3 is an assembly diagram of a reducer assembly according to an embodiment of the present application;

[0036] FIG4 is an assembly diagram of a reducer assembly according to an embodiment of the present application, wherein the driving gear is not shown;

[0037] FIG5 is an assembly diagram of a driving gear and an oil guide member of a reducer assembly according to an embodiment of the present application;

[0038] FIG6 is a cross-sectional view of the driving gear and the oil guide member shown in FIG5;

[0039] FIG7 is a cross-sectional view of a driving gear of a speed reducer assembly according to an embodiment of the present application;

[0040] FIG8 is a schematic diagram of a housing of a reducer assembly according to an embodiment of the present application;

[0041] FIG9 is a schematic block diagram of a vehicle according to an embodiment of the present application.

[0042] Reference numerals:

[0043] Vehicle 1000,

[0044] Oil guide 100,

[0045] First connecting part 1, first drainage rib 11, second drainage rib 12, positioning column 13, limiting protrusion 14, first opening 15, extension section 16, second connecting part 2, first connecting section 21, second connecting section 22, third connecting section 23, first oil outlet 24, oil storage cavity 25, protrusion 26, second rotating shaft 27, third connecting part 3, second opening 31, fourth connecting part 4, first convex rib 41, second convex rib 42, magnetic element 5,

[0046] Gear (driving gear) 200, shaft 201, oil guide channel 2011, first channel 20111, second channel 20112, third channel 20113, first bearing 202, oil inlet 2021, tooth portion 203,

[0047] Reducer assembly 300, differential 301, driven gear 303, oil baffle 304, through hole 3041, housing 305, second bearing 306, third bearing 307. DETAILED DESCRIPTION

[0048] The oil guide member 100 according to the first embodiment of the present application will be described below with reference to FIG. 1 to FIG. 8 .

[0049] As shown in FIG. 1 to FIG. 8 , the oil guide member 100 according to the embodiment of the first aspect of the present application includes a first connecting portion 1 and a second connecting portion 2 .

[0050] Specifically, the first connecting portion 1 is adapted to be loosely mounted on the first rotating shaft. The second connecting portion 2 is connected to the first connecting portion 1 and extends away from the first connecting portion 1, so that the second connecting portion 2 and the first connecting portion 1 jointly define an oil reservoir 25. A first oil outlet 24 is formed on the wall of the oil reservoir 25, and the first oil outlet 24 is adapted to face the second rotating shaft 27. The first rotating shaft can rotate driven by the second rotating shaft 27 to collect oil in the oil reservoir 25. The lubricating oil in the oil reservoir 25 is then channeled through the first oil outlet 24 to the second rotating shaft 27.

[0051] For example, in the examples of Figures 1 to 6, the first connecting portion 1 extends along the circumference of the first rotating shaft, such as the rotating shaft of the differential 301, and the shape of the first connecting portion 1 is roughly annular. In the thickness direction of the first connecting portion 1, the second connecting portion 2 is arranged on the side of the first connecting portion 1 away from the first rotating shaft. On the one hand, the second connecting portion 2 limits the movement path of the lubricating oil, preventing the lubricating oil from flowing out from the edge of the first connecting portion 1, thereby improving the efficiency of the use of the lubricating oil; on the other hand, the second connecting portion 2 guides the lubricating oil so that the lubricating oil flows along the surface of the first connecting portion 1 to the second rotating shaft 27, such as the shaft 201 of the driving gear 200, so that the lubricating oil lubricates the second rotating shaft 27 as much as possible. Therefore, compared with the traditional lubrication method of adding lubricating oil, the efficiency of the use of lubricating oil is improved, and less lubricating oil can be used to lubricate the second rotating shaft 27.

[0052] A first oil outlet 24 is formed on the inner wall of the oil storage chamber 25 on a side near the second rotating shaft 27, so that the first oil outlet 24 is opposite the second rotating shaft 27. Furthermore, due to the action of gravity, lubricating oil generally accumulates at the bottom of the component in which the oil guide 100 is used. To ensure that at least a portion of the first rotating shaft can contact the lubricating oil accumulated at the bottom of the component, the height between the edge of the first rotating shaft and the bottom of the component can be made smaller than the liquid level of the lubricating oil.

[0053] During operation of the oil guide 100, the second rotating shaft 27 drives the first rotating shaft to rotate clockwise or counterclockwise. At this time, the first rotating shaft stirs the lubricating oil accumulated at the bottom and, under the action of centrifugal force, causes the lubricating oil to move from the edge of the first rotating shaft to the center of the first rotating shaft. Simultaneously, the first rotating shaft can throw some of the lubricating oil onto the first connecting portion 1. The lubricating oil lubricates the first rotating shaft as it flows on the first rotating shaft. The lubricating oil thrown onto the first connecting portion 1 flows into the oil storage chamber 25 after being blocked by the second connecting portion 2, and then flows onto the second rotating shaft 27 through the first oil outlet 24, thereby lubricating the second rotating shaft 27.

[0054] Thus, without increasing the amount of lubricating oil and without using a complex active lubrication system, the lubrication problem of the second rotating shaft 27 is solved, the second rotating shaft 27 and the first rotating shaft can be effectively lubricated, and at the same time the structure of the oil guide part 100 is simplified, and the production cost of the oil guide part 100 is reduced.

[0055] According to the oil guide member 100 of the embodiment of the present application, the second connecting part 2 and the first connecting part 1 jointly define an oil storage chamber 25, and the first rotating shaft can rotate under the drive of the second rotating shaft 27 to collect oil into the oil storage chamber 25. The lubricating oil in the oil storage chamber 25 is guided to the second rotating shaft 27 through the first oil outlet 24, thereby improving the lubrication efficiency of the lubricating oil. Less lubricating oil can be used to meet the lubrication of the second rotating shaft 27, thereby reducing the demand for lubricating oil and reducing costs.

[0056] According to some embodiments of the present application, the first connecting portion 1 includes an extension section 16 extending axially along the first rotating shaft. The extension section 16 covers at least a portion of the first rotating shaft along the circumferential direction of the first rotating shaft. In other words, the extension section 16 in the circumferential direction of the first rotating shaft partially covers the first rotating shaft (see Figures 1-6), or the extension section 16 in the circumferential direction of the first rotating shaft completely covers the first rotating shaft (not shown). With this arrangement, the oil guide member 100 can be reliably connected to the first rotating shaft via the extension section 16, allowing the first connecting portion 1 to receive as much lubricating oil from the first rotating shaft as possible, thereby improving the oil stirring efficiency of the first rotating shaft, improving the lubricating efficiency of the lubricating oil, and thereby reducing the demand for lubricating oil.

[0057] According to some embodiments of the present application, the second connecting portion 2 includes a first connecting section 21, which is disposed on a side of the extension section 16 adjacent to the second rotating shaft 27. The first connecting section 21 extends axially along the extension section 16 to define an oil storage chamber 25 together with the extension section 16. This arrangement positions the first connecting section 21 downstream of the lubricating oil flow path, thereby blocking the lubricating oil and allowing it to accumulate within the oil storage chamber 25. The lubricating oil then flows through the first oil outlet 24 to the second rotating shaft 27, thereby lubricating the second rotating shaft 27.

[0058] Furthermore, the second connecting portion 2 further includes a second connecting segment 22 and a third connecting segment 23. The second connecting segment 22 and the third connecting segment 23 extend circumferentially along the extension segment 16 and are located on the same side of the thickness direction of the first connecting segment 21 to jointly enclose an oil storage chamber 25. As shown in Figures 1-6, along the axial direction of the first rotating shaft, the second connecting segment 22 and the third connecting segment 23 are respectively arranged on either side of the length direction of the first connecting portion 1. One end of the first connecting segment 21, the second connecting segment 22, and the third connecting segment 23 are connected to the first connecting portion 1, and the other ends of the first connecting segment 21, the second connecting segment 22, and the third connecting segment 23 extend away from the first connecting portion 1, so that the oil storage chamber 25 is formed on a side of the first connecting portion 1 away from its center. In this case, the second connecting portion 2 is U-shaped, thereby blocking the flow of lubricating oil and facilitating the storage of lubricating oil that falls on the surface of the first connecting portion 1, thereby fully lubricating the second rotating shaft 27.

[0059] Furthermore, the second connecting portion 2 also includes a protrusion 26, which is located on a side of the first connecting section 21 adjacent to the second rotating shaft 27. The first oil outlet 24 extends through the first connecting section 21 and the protrusion 26. Referring to Figures 2 and 6, the protrusion 26 is located on a side of the first connecting section 21 away from the oil reservoir 25. The protrusion 26 extends away from the first connecting section 21, and at least a portion of the protrusion 26 is connected to the second rotating shaft 27. This extends the length of the first oil outlet 24, allowing lubricating oil to flow along the first oil outlet 24 to the second rotating shaft 27, thereby improving lubrication of the second rotating shaft 27 and avoiding lubricating oil waste.

[0060] According to some embodiments of the present application, a first opening 15 is formed on the first connecting portion 1. The first opening 15 is adapted to be opposite to the first rotating shaft. Referring to Figures 1-6 , the first opening 15 connects the first rotating shaft and the first connecting portion 1. Lubricating oil can flow from the first opening 15 to the first rotating shaft, further lubricating the first rotating shaft and improving its smooth operation. This can also reduce the weight of the oil guide member 100, facilitating a lightweight design of the oil guide member 100.

[0061] According to some embodiments of the present application, the first connection portion 1 is provided with a plurality of first drainage ribs 11. These ribs 11 are all located within the oil reservoir 25 and spaced apart along the circumference of the first connection portion 1. Each first drainage rib 11 extends axially along the first connection portion 1. In the description of this application, "plurality" means two or more. Referring to Figures 1-6, three first drainage ribs 11 are provided on the first connection portion 1. These three first drainage ribs 11 are spaced apart along the circumference of the first connection portion 1 to drain the lubricating oil within the first connection portion 1. That is, under the action of gravity, the lubricating oil flows from the upper portion of the first connection portion 1 to the lower portion. Since the first drainage ribs 11 have a certain height, they act as a barrier to the lubricating oil. This allows a portion of the lubricating oil on the first connection portion 1 to flow through the first drainage ribs 11 to the side of the oil reservoir 25 near the second rotating shaft 27, and then through the first oil outlet 24 to the second rotating shaft 27. The remaining portion of the lubricating oil then flows along the first drainage ribs 11 to other components requiring lubrication. In addition, the first guiding rib 11 can also strengthen the structural strength of the first connecting portion 1 , thereby increasing the service life of the oil guiding member 100 .

[0062] Furthermore, the first connecting portion 1 is provided with a plurality of second drainage ribs 12, which are spaced apart along the circumference of the first connecting portion 1. The plurality of second drainage ribs 12 are located on either side of the first opening 15, and each second drainage rib 12 extends axially along the first connecting portion 1. For example, in the examples shown in Figures 3 and 4, two second drainage ribs 12 are provided on either side of the first opening 15 in the longitudinal direction. The two second drainage ribs 12 located on the same side are spaced apart along the circumference of the first connecting portion 1. Because the second drainage ribs 12 have a certain height, they can block the lubricating oil, allowing a portion of the lubricating oil on the first connecting portion 1 to flow through the second drainage ribs 12 to the first opening 15, and then through the first opening 15 to the first rotating shaft. The remaining portion of the lubricating oil then flows along the second drainage ribs 12 to other components requiring lubrication. Furthermore, the second drainage ribs 12 can further strengthen the structural strength of the first connecting portion 1, thereby increasing the service life of the oil guide 100.

[0063] According to some embodiments of the present application, the oil guide member 100 further includes a third connecting portion 3, which is connected to the outer periphery of the first connecting portion 1 and extends away from the first connecting portion 1. The third connecting portion 3 is opposite the first opening 15 and is formed with a second opening 31, which is in communication with the first opening 15. Referring to Figures 1-6, in the axial direction of the first connecting portion 1, the third connecting portion 3 is opposite the first opening 15, and the second opening 31 penetrates the third connecting portion 3 along the thickness direction of the third connecting portion 3. This facilitates the flow of lubricating oil toward the first rotating shaft while also allowing some of the lubricating oil to flow along the second guide rib 12 toward the second opening 31. The lubricating oil can be directed to other components through the second opening 31, thereby avoiding oil churning losses.

[0064] Furthermore, the second and third connecting portions 2 and 3 are spaced apart circumferentially around the first connecting portion 1. The first connecting portion 1 is provided with a plurality of positioning posts 13, spaced apart along the circumference of the first connecting portion 1, with one of the plurality of positioning posts 13 located between the second and third connecting portions 2 and 3. As shown in Figures 1 and 6, the second and third connecting portions 2 and 3 are spaced apart circumferentially around the first connecting portion 1. Three positioning posts 13 are formed on the first connecting portion 1, spaced apart circumferentially around the first connecting portion 1. The positioning posts 13 cooperate with fasteners to secure the oil guide member 100, thereby increasing its operational stability. One positioning post 13 is located between the second and third connecting portions 2 and 3. Due to the significant impact of the lubricating oil from the first rotating shaft, the positioning post 13 can block the lubricating oil, thereby buffering and diverting the lubricating oil, ensuring that it flows to the oil reservoir 25.

[0065] In some optional embodiments, the oil guide member 100 further includes a fourth connecting portion 4, which is connected to the outer periphery of the first connecting portion 1 and extends along the circumference of the first connecting portion 1. The fourth connecting portion 4 and the third connecting portion 3 are respectively located on opposite axial sides of the first connecting portion 1. This arrangement prevents excessive lubricating oil from the first rotating shaft. Excess lubricating oil can be guided away from the first connecting portion 1 by the fourth connecting portion 4, thereby preventing a low lubricating oil level from causing a reduced amount of oil subsequently stirred into the first connecting portion 1. This effectively improves the oil stirring efficiency of the oil guide member 100.

[0066] Furthermore, a plurality of first ribs 41 and a plurality of second ribs 42 are provided on a side surface of the fourth connecting portion 4 adjacent to the third connecting portion 3. The plurality of first ribs 41 are spaced apart radially along the first connecting portion 1, each extending circumferentially thereof. The plurality of second ribs 42 are spaced apart circumferentially along the first connecting portion 1, each extending radially thereof. Referring to Figures 1 and 6 , the fourth connecting portion 4 is provided with three first ribs 41 and eleven second ribs 42. The three first ribs 41 are spaced apart radially along the first connecting portion 1, and the eleven second ribs 42 are spaced apart circumferentially thereof. The first ribs 41 and the second ribs 42 intersect. This enhances the structural strength of the fourth connecting portion 4, thereby increasing its stability and service life. Furthermore, the first ribs 41 and the second ribs 42 also serve to drain fluid.

[0067] According to some embodiments of the present application, a limiting protrusion 14 is provided on the first connecting portion 1, and a magnetic member 5 is mounted on the limiting protrusion 14. During the initial running-in process and after long-term operation, the first rotating shaft, the second rotating shaft 27, and other components will generate some iron filings. The magnetic member 5 can collect the generated iron filings, thereby preventing the iron filings from mixing with the lubricating oil and damaging the first rotating shaft, the second rotating shaft 7, and other components, thereby increasing the operating stability of the first rotating shaft, the second rotating shaft 27, and other components.

[0068] Referring to Figures 1, 3, 4, 6, and 8, a stopper protrusion 14 is provided on the first connecting portion 1. This protrusion 14 is located on a side of the first connecting portion 1 that is away from the first rotating shaft and extends away from the first rotating shaft. A magnetic member 5 can be mounted on this stopper protrusion 14, which is used to position the magnetic member 5 and prevent it from interfering with the operation of other components adjacent to the oil guide member 100. Furthermore, the fixing method for the magnetic member 5 is simple, thereby reducing the installation cost of the magnetic member 5.

[0069] Optionally, the cross section of the limiting protrusion 14 may be T-shaped or cross-shaped (as shown in the figure), which is not limited here.

[0070] Referring to Figures 5-7 , a gear 200 according to an embodiment of the second aspect of the present application includes a shaft 201, a tooth portion 203, and an oil guide channel 2011. The outer periphery of the shaft 201 is adapted to be fitted with a first bearing 202. The tooth portion 203 is disposed at one end of the shaft 201 and is configured to rotate with the shaft 201. The oil guide channel 2011 is formed within the shaft 201 and / or the tooth portion 203. The ends of the oil guide channel 2011 are respectively opposite the first oil outlet 24 and the first bearing 202 of the oil guide member 100. The oil guide member 100 is the oil guide member 100 according to the embodiment of the first aspect of the present application.

[0071] Optionally, the oil guide channel 2011 is formed only inside the shaft portion 201 (not shown in the figure); or the oil guide channel 2011 is formed only inside the tooth portion 203 (refer to Figure 6); or, the oil guide channel 2011 is formed inside the shaft portion 201 and the tooth portion 203 (not shown in the figure).

[0072] According to the gear 200 of the embodiment of the present application, the lubrication efficiency of the gear 200 is improved by adopting the oil guide member 100, thereby improving the running smoothness of the gear 200 and further improving the market competitiveness of the gear 200.

[0073] According to some embodiments of the present application, the oil guide channel 2011 includes a first channel 20111 and a second channel 20112 that are connected to each other. The first channel 20111 extends axially along the tooth portion 203 , and the second channel 20112 extends radially along the shaft portion 201 to the first bearing 202 .

[0074] As shown in Figures 6 and 7, two second channels 20112 are formed at intervals on the sidewall of the first channel 20111. The two second channels 20112 extend away from the center of the first channel 20111. In addition, four oil inlets 2021 are formed on the first bearing 202. When the first bearing 202 rotates, any second channel 20112 can communicate with any oil inlet 2021, that is, one end of the oil guide channel 2011 is connected to the oil inlet 2021 of the first bearing 202. As a result, lubricating oil flows from the first oil outlet 24 on the first connecting portion 1 into the first channel 20111, then from the first channel 20111 into the second channel 20112, and finally enters the first bearing 202 through the oil inlet 2021 connected to the second channel 20112, thereby lubricating the first bearing 202.

[0075] As shown in Figure 6, the aperture of the first channel 20111 is larger than the aperture of the second channel 20112, so that the volume of the first channel 20111 is larger, and the volume of lubricating oil that can be stored in the first channel 20111 is larger than the volume of lubricating oil flowing from the second channel 20112 to the first bearing 202. As a result, the lubricating oil in the first channel 20111 can flow quickly to the first bearing 202 along the second channel 20112 and the oil inlet 2021 under the action of squeezing force, which can effectively improve the lubrication effect on the first bearing 202, and at the same time avoid excessive lubricating oil flowing to the first bearing 202 to affect the rotation of the first bearing 202, and can reduce oil consumption.

[0076] Optionally, the tooth portion 203 may be a spur gear or a helical gear, which is not specifically limited here.

[0077] Furthermore, in the axial direction of the shaft portion 201, the length of the first channel 20111 is equal to the maximum distance of the teeth portion 203, that is, the first channel 20111 extends through the teeth portion 203. Therefore, the axial length of the first channel 20111 in the shaft portion 201 satisfies the requirements for the installation of the second channel 20112. In other words, the second channel 20112 can be installed on the side of the first bearing 202 away from the teeth portion 203, thereby improving the lubrication efficiency of the first bearing 202.

[0078] According to some embodiments of the present application, an oil baffle plate 304 is provided on a side of the oil guide channel 2011 near the first oil outlet 24. The oil baffle plate 304 has at least one through-hole 3041 formed therein, and the first oil outlet 24 communicates with the oil guide channel 2011 through the through-hole 3041. Referring to FIG. 6 , the oil baffle plate 304 can block the end of the first channel 20111 facing the first rotating shaft, allowing the end of the first channel 20111 away from the first rotating shaft to communicate with the first oil outlet 24 through the through-hole 3041. This prevents the lubricating oil in the first channel 20111 from flowing back into the oil guide member 100, thereby ensuring that the lubricating oil in the first channel 20111 can fully lubricate the first bearing 202.

[0079] Furthermore, the oil baffle 304 is provided on one side of the first channel 20111 adjacent to the first oil outlet 24. This arrangement effectively increases the volume of the first channel 20111, thereby increasing the oil storage amount in the first channel 20111, and further improving the lubrication effect on the first bearing 202.

[0080] According to some embodiments of the present application, referring to FIG6 , a third channel 20113 is formed on the shaft portion 201, and the third channel 20113 is connected to the first channel 20111. Along the axial direction of the first bearing 202, the third channel 20113 is formed on a side of the first channel 20111 away from the oil guide member 100, thereby increasing the oil storage area within the tooth portion 203 and the shaft portion 201, thereby facilitating lubrication of the first bearing 202.

[0081] The reducer assembly 300 according to the third embodiment of the present application includes a housing 305, an oil guide member 100, a driving gear 200 and a driven gear 303. A differential 301 is provided in the housing 305, and the oil guide member 100 is loosely mounted on the rotating shaft of the differential 301. The oil guide member 100 is the oil guide member 100 according to the first embodiment of the present application. The driving gear 200 is engaged with the driven gear 303, and the driven gear 303 is fixedly connected to the differential 301. The driven gear 303 is mounted on the rotating shaft of the differential 301 and is used to stir oil from the housing 305 after being driven by the driving gear 200 to provide lubricating oil. The driving gear 200 is the gear 200 according to the second embodiment of the present application. The reducer assembly 300 serves as a connecting member between the power unit and the execution unit, and plays the role of transmitting torque, steering and reducing speed.

[0082] For example, in the example of FIG3 , the driven gear 303 is provided on one side of the axial direction (e.g., the front-to-rear direction in the figure) of the differential 301, and the driving gear 200 is provided in the circumferential direction of the differential 301 and extends in the radial direction of the differential 301, and the driven gear 303 and the driving gear 200 are meshed. Thus, when the driving gear 200 is driven by the driving member to rotate, the meshing of the driven gear 303 and the driving gear 200 can transmit the driving force to the driven gear 303, and the driven gear 303 rotates to drive the differential 301 to operate. The differential 301 can reduce the speed transmitted by the driving gear 200, thereby playing the role of the reducer assembly 300 in transmitting torque, steering, and reducing speed.

[0083] The oil guide member 100 is disposed on the side of the driven gear 303 closest to the driving gear 200. Specifically, in the axial direction of the differential 301, the oil guide member 100 is located on the side of the driven gear 303 farther from the differential 301. A first oil outlet 24 is formed on the side of the oil guide member 100 closest to the driving gear 200, with the first oil outlet 24 facing the driving gear 200. Furthermore, due to gravity, lubricating oil generally accumulates at the bottom of the housing 305. To ensure that at least a portion of the driven gear 303 can contact the lubricating oil accumulated at the bottom of the housing 305, the height between the edge of the driven gear 303 and the bottom of the housing 305 is smaller than the lubricating oil level.

[0084] During the operation of the reducer assembly 300, the driving gear 200 drives the driven gear 303 to rotate clockwise or counterclockwise. At this time, the driven gear 303 can stir the lubricating oil accumulated at the bottom of the housing 305. Under the action of centrifugal force, the lubricating oil moves from the edge of the driven gear 303 to the center of the driven gear 303. At the same time, the driven gear 303 can throw some of the lubricating oil onto the first connecting portion 1 of the oil guide 100. The lubricating oil flowing on the driven gear 303 can lubricate the driven gear 303. The lubricating oil thrown onto the first connecting portion 1 flows to the first oil outlet 24, and then flows to the driving gear 200 through the first oil outlet 24, thereby lubricating the driving gear 200.

[0085] Thus, the lubrication problem of the reducer assembly 300 is solved without increasing the amount of lubricating oil or using a complex active lubrication system. Compared with traditional reducer assemblies, the driving gear 200 and the driven gear 303 can be effectively lubricated, ensuring the transmission efficiency of the vehicle. At the same time, the structure of the reducer assembly 300 is simplified, and the production cost of the reducer assembly 300 is reduced.

[0086] According to the reducer assembly 300 of the embodiment of the present application, by arranging the oil guide part 100 on the rotating shaft of the differential 301, compared with the traditional reducer assembly, the problem of low lubrication efficiency of the reducer assembly 300 is solved, the transmission efficiency of the vehicle is ensured, and at the same time the structure of the reducer assembly 300 is simplified, and the production cost of the reducer assembly 300 is reduced.

[0087] According to some embodiments of the present application, the oil guide member 100 is fixedly connected to the housing 305. This configuration is conducive to improving the stability of the connection between the oil guide member 100 and the housing 305, thereby improving the operating stability of the reducer assembly 300 and extending the service life of the reducer assembly 300.

[0088] The vehicle 1000 according to the fourth embodiment of the present application is characterized in that it includes the reducer assembly 300 according to the third embodiment of the present application, as shown in FIG9 .

[0089] According to the vehicle 1000 of the embodiment of the present application, the lubricating effect of the lubricating oil is increased by adopting the above-mentioned oil guide member 100 and / or the reducer assembly 300, so that the vehicle 1000 can run more smoothly, effectively improving the user experience and increasing the market competitiveness of the vehicle.

[0090] According to some embodiments of the present application, referring to Figures 3 and 4 , the speed reducer assembly 300 further includes a second bearing 306 and a third bearing 307. The second bearing 306 is disposed on the side of the differential 301 away from the oil guide member 100, while the third bearing 307 is disposed on the side of the differential 301 adjacent to the oil guide member 100. In other words, the second bearing 306 and the third bearing 307 are disposed on opposite axial sides of the differential 301, improving the operational stability of the differential 301.

[0091] Other structures and operations of the vehicle 1000 according to the embodiment of the present application are known to ordinary technicians in this field and will not be described in detail here.

[0092] In the description of the present application, it should be understood that the terms "center", "length", "width", "thickness", "up", "down", "front", "back", "left", "right", "top", "bottom", "inside", "outside", "axial", "radial", "circumferential", etc., indicating the orientation or position relationship, are based on the orientation or position relationship shown in the accompanying drawings, and are only for the convenience of describing the present application and simplifying the description, and do not indicate or imply that the device or element referred to must have a specific orientation, be constructed and operated in a specific orientation, and therefore cannot be understood as a limitation on the present application.

[0093] In the description of this application, it should be noted that, unless otherwise expressly specified or limited, the terms "mounted," "connected," and "connected" should be understood in a broad sense. For example, they can refer to fixed connections, detachable connections, or integral connections; mechanical connections or electrical connections; direct connections or indirect connections through an intermediate medium; and internal connections between two components. Those skilled in the art will understand the specific meanings of the above terms in this application based on the specific circumstances.

[0094] Throughout this specification, reference to terms such as "one embodiment," "some embodiments," "illustrative embodiments," "example," "specific example," or "some examples" means that a specific feature, structure, material, or characteristic described in conjunction with the embodiment or example is included in at least one embodiment or example of the present application. In this specification, illustrative expressions of the above terms do not necessarily refer to the same embodiment or example.

[0095] Although the embodiments of the present application have been shown and described, those skilled in the art will appreciate that various changes, modifications, substitutions, and variations may be made to the embodiments without departing from the principles and intent of the present application, and that the scope of the present application is defined by the claims and their equivalents.

Claims

1. An oil guide member (100), characterized in that: include: A first connecting part (1), the first connecting part (1) being suitable for being loosely sleeved on the first rotating shaft; and a second connecting portion (2), the second connecting portion (2) being connected to the first connecting portion (1) and extending in a direction away from the first connecting portion (1), so that the second connecting portion (2) and the first connecting portion (1) jointly define an oil storage cavity (25), a first oil outlet (24) being formed on a wall of the oil storage cavity (25), the first oil outlet (24) being adapted to be opposite to a second rotating shaft (27); Wherein, the first rotating shaft can be rotated under the drive of the second rotating shaft (27) to collect oil into the oil storage chamber (25), and the lubricating oil in the oil storage chamber (25) is guided to the second rotating shaft (27) through the first oil outlet (24).

2. The oil guide member (100) according to claim 1, characterized in that: The first connecting portion (1) comprises an extension section (16) extending along the axial direction of the first rotating shaft, and the extension section (16) covers at least a portion of the first rotating shaft along the circumferential direction of the first rotating shaft.

3. The oil guide member (100) according to claim 2, characterized in that: The second connecting portion (2) comprises a first connecting section (21), wherein the first connecting section (21) is arranged on a side of the extension section (16) adjacent to the second rotating shaft (27), and the first connecting section (21) extends along the axial direction of the extension section (16) to define the oil storage chamber (25) together with the extension section (16).

4. The oil guide member (100) according to claim 3, characterized in that: The second connecting portion (2) further comprises: a second connecting section (22); and The third connecting section (23), the second connecting section (22) and the third connecting section (23) extend along the circumference of the extension section (16), and the second connecting section (22) and the third connecting section (23) are located on the same side of the first connecting section (21) in the thickness direction to jointly enclose the oil storage cavity (25).

5. The oil guide member (100) according to claim 3 or 4, characterized in that: The second connecting portion (2) further comprises a protrusion (26), wherein the protrusion (26) is arranged on a side of the first connecting section (21) adjacent to the second rotating shaft (27), and the first oil outlet (24) passes through the first connecting section (21) and the protrusion (26).

6. The oil guide member (100) according to any one of claims 1 to 5, characterized in that: A first opening (15) is formed on the first connecting portion (1), and the first opening (15) is suitable for being opposite to the first rotating shaft.

7. The oil guide member (100) according to any one of claims 1 to 6, characterized in that: The first connecting portion (1) is provided with a plurality of first drainage ribs (11), and the plurality of first drainage ribs (11) are all located in the oil storage cavity (25) and are arranged at intervals along the circumference of the first connecting portion (1).

8. The oil guide member (100) according to claim 6, characterized in that: The first connecting portion (1) is provided with a plurality of second drainage ribs (12), the plurality of second drainage ribs (12) are respectively located on both sides of the first opening (15), and the plurality of second drainage ribs (12) are arranged at intervals along the circumference of the first connecting portion (1).

9. The oil guide member (100) according to claim 6 or 8, characterized in that: Also includes: A third connecting portion (3), the third connecting portion (3) being connected to the outer periphery of the first connecting portion (1) and extending in a direction away from the first connecting portion (1), the third connecting portion (3) being opposite to the first opening (15), a second opening (31) being formed on the third connecting portion (3), and the second opening (31) being connected to the first opening (15).

10. The oil guide member (100) according to claim 9, characterized in that: The second connecting portion (2) and the third connecting portion (3) are arranged at intervals in the circumferential direction of the first connecting portion (1). The first connecting portion (1) is provided with a plurality of positioning posts (13), the plurality of positioning posts (13) being arranged at intervals along the circumference of the first connecting portion (1), and one of the plurality of positioning posts (13) being located between the second connecting portion (2) and the third connecting portion (3).

11. The oil guide member (100) according to claim 9 or 10, characterized in that: Also includes: A fourth connection portion (4), the fourth connection portion (4) is connected to the outer periphery of the first connection portion (1) and extends along the circumferential direction of the first connection portion (1), and the fourth connection portion (4) and the third connection portion (3) are respectively located on both sides of the axial direction of the first connection portion (1).

12. The oil guide member (100) according to claim 11, characterized in that: A plurality of first convex ribs (41) and a plurality of second convex ribs (42) are provided on a side surface of the fourth connecting portion (4) adjacent to the third connecting portion (3); the plurality of first convex ribs (41) are arranged at intervals along the radial direction of the first connecting portion (1); each of the first convex ribs (41) extends along the circumference of the first connecting portion (1); the plurality of second convex ribs (42) are arranged at intervals along the circumference of the first connecting portion (1); each of the second convex ribs (42) extends along the radial direction of the first connecting portion (1).

13. The oil guide member (100) according to any one of claims 1 to 12, characterized in that: The first connecting portion (1) is provided with a limiting protrusion (14), and a magnetic attraction component (5) is mounted on the limiting protrusion (14).

14. A gear (200), characterized in that: include: A shaft portion (201), the outer periphery of the shaft portion (201) being suitable for sleeve-mounting a first bearing (202); a tooth portion (203), the tooth portion (203) being arranged at one end of the shaft portion (201) and being used to rotate along with the shaft portion (201); as well as an oil guide channel (2011), the oil guide channel (2011) being formed inside the shaft portion (201) and / or the tooth portion (203), and two ends of the oil guide channel (2011) being respectively opposite to the first oil outlet (24) of the oil guide member (100) and the first bearing (202); Wherein, the oil guiding member (100) is the oil guiding member (100) according to any one of claims 1-13.

15. The gear (200) according to claim 14, characterized in that: The oil guide channel (2011) comprises a first channel (20111) and a second channel (20112) which are connected to each other, wherein the first channel (20111) extends along the axial direction of the tooth portion (203), and the second channel (20112) extends along the radial direction of the shaft portion (201) to the first bearing (202).

16. The gear (200) according to claim 14 or 15, characterized in that: An oil baffle plate (304) is provided on one side of the oil guide channel (2011) close to the first oil outlet (24), and at least one through hole (3041) is formed on the oil baffle plate (304), and the first oil outlet (24) is connected to the oil guide channel (2011) through the through hole (3041).

17. A reducer assembly (300), characterized in that: include: A housing (305), wherein a differential (301) is arranged in the housing (305); An oil guide member (100), wherein the oil guide member (100) is loosely mounted on the rotating shaft of the differential (301), and the oil guide member (100) is the oil guide member (100) according to any one of claims 1 to 13; A driving gear (200); and A driven gear (303), the driving gear (200) is meshed with the driven gear (303), the driven gear (303) is fixedly connected to the differential (301), the driven gear (303) is sleeved on the rotating shaft of the differential (301), and is used to stir oil from the housing (305) after being driven by the driving gear (200) to provide lubricating oil, and the driving gear (200) is a gear (200) according to any one of claims 14 to 16.

18. The reducer assembly (300) according to claim 17, characterized in that: The oil guide member (100) is fixedly connected to the housing (305).

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