Oil collecting and lubricating structure assembly at bearing cover
By installing an oil guide ring and a lubrication structure assembly at the bearing cap, the problem of insufficient lubrication in commercial vehicle transmissions is solved, improving lubrication effect and lubricant utilization, extending transmission service life and reducing production costs.
Patent Information
- Application Number
- CN202520460019.8
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- Filing Date
- 2025-03-14
- Publication Date
- 2025-12-16
- Estimated Expiration
- 2035-03-14
AI Technical Summary
The existing pressure lubrication method of commercial vehicle transmission oil pumps leads to insufficient lubrication of gears and bearings, resulting in wear, reduced transmission reliability and service life, and low lubricant utilization, which increases production costs.
An oil guide ring and lubrication structure assembly, including an oil guide ring, oil passage, radial oil hole and oil collection groove, are installed at the bearing cover to enhance the lubrication effect and realize the recycling of lubricating oil. The lubricating oil is introduced into the lubrication passage through the oil guide ring and oil hole to enhance the lubrication effect, and the oil collection groove and oil collection hole form an oil return channel to realize the recycling of lubricating oil.
It improves the service life of bearings and gears, reduces production costs, and enhances lubrication through the recycling of lubricating oil, thereby extending the service life of the transmission.
Smart Images

Figure CN223676978U_ABST
Abstract
Description
TECHNICAL FIELD
[0001] The utility model belongs to transmission lubrication structure technical field, concretely relates to a bearing cover place oil collection and lubrication structure assembly. BACKGROUND
[0002] The transmission of commercial vehicle generally adopts two ways of splash lubrication and oil pump pressure lubrication. Among them, in the oil pump pressure lubrication mode, the lubricating oil in the oil sump is driven by the oil pump pressure, enters the shaft bearing cover through the oil pipe, lubricates the shaft oil seal and bearing, and then enters the lubricating oil passage through the oil inlet hole on the shaft, lubricates the shaft, the second shaft, each gear and the rear sub-tank and other parts. The defects of this lubrication structure are that the gear and bearing in the transmission may be worn due to insufficient lubrication, reducing the reliability and service life of the transmission, and the utilization rate of lubricating oil is not high, increasing the production cost. SUMMARY
[0003] In view of the defects of the prior art, the purpose of the utility model is to provide a bearing cover place oil collection and lubrication structure assembly to solve the technical problem of insufficient lubrication of gear and bearing in the transmission oil pump pressure lubrication mode of the prior art.
[0004] In order to solve the above technical problems, the utility model adopts the following technical scheme to realize it:
[0005] A bearing cover place oil collection and lubrication structure assembly, comprising a clutch housing, a shaft bearing cover is arranged in the clutch housing along the axial direction, a shaft is arranged in the shaft bearing cover, and the front end of the shaft is arranged in the clutch housing;
[0006] The inner end of the shaft bearing cover is sleeved with an oil guide ring, the outer wall of the oil guide ring towards the shaft bearing cover is provided with an oil channel extending in the circumferential direction, and a plurality of first radial oil holes are arranged on the oil guide ring in the circumferential direction at equal intervals; an oil inlet and an oil outlet are formed on the shaft bearing cover, the oil inlet is connected with an oil pump arranged in the clutch housing through an oil pipe, and the oil outlet is communicated with the oil channel;
[0007] A plurality of second radial oil holes capable of being communicated with the first radial oil holes are arranged on the shaft in the circumferential direction at equal intervals, and the second radial oil holes are communicated with a lubricating oil passage arranged in the shaft.
[0008] The utility model also has the following technical features:
[0009] Specifically, a bearing is installed on the clutch housing, and the bearing is sleeved on the shaft.
[0010] Further, the one-axis bearing cover is connected with the clutch housing at one end of the one-axis bearing cover.
[0011] Further, the one-axis bearing cover is connected with the clutch housing at one end of the one-axis bearing cover.
[0012] Further, the oil guide ring comprises a first arc-shaped section and a second arc-shaped section which are integrally connected, and the oil channel and the first radial oil hole are arranged on the first arc-shaped section.
[0013] Further, the number of the first radial oil hole and the second radial oil hole is three.
[0014] Further, the oil outlet hole is arranged on the rear end surface of the oil guide ring and is communicated with the oil channel.
[0015] Further, the one-axis bearing cover is connected with the clutch housing at one end of the one-axis bearing cover.
[0016] Further, the second arc-shaped section is axially provided with an oil passing hole.
[0017] Compared with the prior art, the utility model has the following technical effects:
[0018] The bearing cover oil collecting and lubricating structure assembly is provided with the oil guide ring in the one-axis bearing cover, so that the lubricating oil can enter the lubricating oil channel through the oil guide ring and the second radial oil hole arranged on the one-axis, the lubricating effect is enhanced, the service life of the bearings and the gears is improved, and the service life of the transmission is improved. Meanwhile, the oil collecting groove and the oil collecting hole constitute the oil circuit backflow channel, the lubricating oil can backflow, the lubricating oil is recycled, and the production cost is effectively reduced. BRIEF DESCRIPTION OF DRAWINGS
[0019] Figure 1 It is the overall structure of the utility model and the arrow direction represents the lubricating oil flow direction;
[0020] Figure 2 It is the oil guide ring structure schematic view of the utility model;
[0021] Figure 3 It is the one-axis bearing cover structure schematic view of the utility model;
[0022] Figure 4 It is the local structure of the utility model and the arrow direction represents the lubricating oil flow direction;
[0023] Figure 5 It is the clutch housing local structure schematic view of the utility model;
[0024] Figure 6 Figure is the partial structure section view of clutch housing and a shaft bearing cap connection;
[0025] The meaning of each reference numeral in the figure is:
[0026] 1-clutch housing, 2-a shaft bearing cap, 3-a shaft, 4-oil guide ring, 5-bearing, 6-oil seal; 11-oil collecting hole; 21-oil collecting groove, 22-oil inlet, 23-oil outlet; 31-second radial oil hole, 32-lubricating oil channel; 41-oil channel, 42-first radial oil hole, 43-oil outlet hole, 44-oil passing hole, 45-first arc segment, 46-second arc segment.
[0027] The specific content of the utility model is further explained and described in detail in combination with the following embodiments. DETAILED DESCRIPTION
[0028] The specific embodiments of the utility model are given below, and it should be noted that the utility model is not limited to the following specific embodiments, and any equivalent transformation made on the basis of the technical solutions of the present application falls within the protection scope of the utility model.
[0029] The terms "upper", "lower", "front", "rear", "top", "bottom" and the like used in the utility model indicate the orientation or positional relationship only for the convenience of describing the utility model and simplifying the description, and do not indicate or imply that the devices or elements referred to must have a particular orientation, be constructed and operated in a particular orientation, and "inner" and "outer" refer to the inner and outer contours of the corresponding components. The above terms should not be understood as limiting the utility model.
[0030] In addition, the ordinal numbers "first", "second" and the like are used only for descriptive purposes and cannot be understood as indicating or implying relative importance or implicitly indicating the number of the technical features indicated. Therefore, the features limited by "first", "second" can explicitly or implicitly include one or more of the features.
[0031] In the utility model, the terms "mounting", "connection", "connection", "fixing" and the like should be understood broadly without making the opposite statement, for example, it can be fixedly connected, or it can be detachably connected or integrated; it can be mechanically connected, or it can be electrically connected; it can be directly connected, or it can be indirectly connected through an intermediate medium; it can be the communication or interaction relationship between two elements. For those skilled in the art, the specific meaning of the above terms in the utility model can be understood according to the specific circumstances.
[0032] Unless otherwise specified, the components in the utility model can be purchased from the market.
[0033] Example 1
[0034] According to the above technical scheme, the embodiment provides a bearing cover oil collecting and lubricating structure assembly, which comprises a clutch housing 1, the clutch housing is a structure similar to a hemisphere, an axial bearing cover 2 is arranged in the clutch housing 1 along an axial direction, and one end of the axial bearing cover 2 deeply entering the clutch housing 1 is connected with the inner wall of the clutch housing 1 in a matched mode. Figures 1 to 6 A shaft 3 is arranged in the axial bearing cover 2, and the front end of the shaft 3 is arranged in the clutch housing 1, that is, the front end of the shaft 3 is arranged out of the clutch housing 1. Figure 2 An oil guide ring 4 is arranged in the axial bearing cover 2, and the oil guide ring 4 is arranged towards the outer wall of the axial bearing cover 2.
[0035] Three first radial oil holes 42 are arranged on the oil guide ring 4 in an equidistant mode along a circumferential direction.
[0036] As a preferred scheme of the embodiment, a bearing 5 is arranged on the clutch housing 1 and sleeved on the shaft 3, and the bearing 5 is connected with the shaft 3 in a matched mode.
[0037] As a preferred scheme of the embodiment, an oil seal seat is arranged in the end of the axial bearing cover 2 deeply entering the clutch housing 1, and an oil seal 6 is arranged in the oil seal seat. Figure 3 As a preferred scheme of the embodiment, the oil guide ring 4 comprises a first arc-shaped section 45 and a second arc-shaped section 46 which are arranged in an integrated mode.
[0038] Figure 2 As a preferred scheme of the embodiment, the oil guide ring 4 comprises a first arc-shaped section 45 and a second arc-shaped section 46 which are arranged in an integrated mode.
[0039] As a preferred scheme of the embodiment, an oil outlet hole 43 is arranged on the rear end face of the oil guide ring 4 and communicated with the oil channel 41.
[0040] As a preferred scheme of the embodiment, the oil guide ring 4 comprises a first arc-shaped section 45 and a second arc-shaped section 46 which are arranged in an integrated mode. Figure 4 As shown, the one-shaft bearing cover 2 further has an oil collecting groove 21 arranged inside one end of the clutch housing 1, and the oil collecting groove 21 is communicated with the oil collecting hole 11 arranged on the clutch housing 1.
[0041] Further, the oil guide ring 4 further has an oil passing hole 44 axially arranged thereon, and the oil passing hole 44 is not communicated with the oil channel 41.
[0042] When the utility model is used:
[0043] Under the pressure drive of the oil pump, the lubricating oil is filtered through the oil filter, enters the one-shaft bearing cover through the oil inlet 22 arranged on the one-shaft bearing cover, flows out from the oil outlet 23, enters the oil channel 41 of the oil guide ring 4, and a part of the lubricating oil in the oil channel 41 enters the lubricating oil channel 32 through the first radial oil hole 42 and the second radial oil hole 31 in sequence, lubricates the one-shaft, the two-shaft and the gear, and lubricates the rear auxiliary gearbox and other components; another part lubricates the one-shaft bearing 4 and the oil seal 6 through the oil outlet hole 43 of the oil guide ring 4.
[0044] The preferred embodiments of the present disclosure are described in detail above with reference to the drawings, but the present disclosure is not limited to the specific details in the above-described embodiments, and various simple modifications can be made to the technical solutions of the present disclosure within the technical concept of the present disclosure, and these simple modifications all belong to the protection scope of the present disclosure.
[0045] In addition, it should be noted that each specific technical feature described in the above specific embodiments can be combined in any appropriate manner without contradiction, and in order to avoid unnecessary repetition, the present disclosure will not further describe various possible combination manners.
[0046] In addition, various different embodiments of the present disclosure can also be combined in any manner, as long as they do not deviate from the idea of the present disclosure, and they should also be considered as disclosed by the present disclosure.
Claims
1. A bearing cover oil collecting and lubricating structure assembly, comprising a clutch housing (1), an axle bearing cover (2) is arranged in the clutch housing (1) in the axial direction, a shaft (3) is arranged in the axle bearing cover (2), the front end of the shaft (3) is arranged in the clutch housing (1), characterized in that, The one-shaft bearing cover (2) is sleeved with an oil guide ring (4) inside the end of the clutch housing (1), the oil guide ring (4) is provided with an oil channel (41) extending in the circumferential direction on the outer wall of the one-shaft bearing cover (2), and a plurality of first radial oil holes (42) are also arranged on the oil guide ring (4) in the circumferential direction at equal intervals; the one-shaft bearing cover (2) is also provided with an oil inlet (22) and an oil outlet (23), the oil inlet (22) is connected with an oil pump arranged in the clutch housing (1) through an oil pipe, and the oil outlet (23) is communicated with the oil channel (41); A plurality of second radial oil holes (31) capable of communicating with the first radial oil holes (42) are arranged on the one-shaft (3) in the circumferential direction at equal intervals, and the second radial oil holes (31) are communicated with a lubricating oil channel (32) arranged through the one-shaft (3).
2. The oil collection and lubrication structure assembly of the bearing cover according to claim 1, wherein, The clutch housing (1) is also provided with a bearing (5), and the bearing (5) is sleeved on the one-shaft (3).
3. The oil collection and lubrication structure assembly of claim 1, wherein The end of the one-shaft bearing cover (2) deep into the clutch housing (1) is connected with the clutch housing (1).
4. The oil collection and lubrication structure assembly of claim 1, wherein, The end of the one-shaft bearing cover (2) deep into the clutch housing (1) is provided with an oil seal seat, and the oil seal seat is provided with an oil seal (6).
5. The oil collection and lubrication structure assembly of the bearing cover of claim 1, wherein, The oil guide ring (4) comprises a first arc segment (45) and a second arc segment (46) connected integrally, and the oil channel (41) and the first radial oil hole (42) are arranged on the first arc segment (45).
6. The oil collection and lubrication structure assembly of the bearing cover of claim 1, wherein, The number of the first radial oil holes (42) and the second radial oil holes (31) is three.
7. The bearing cap oil collection and lubrication structure assembly of claim 1, wherein, The oil guide ring (4) is also provided with an oil outlet hole (43) on the rear end face, and the oil outlet hole (43) is communicated with the oil channel (41).
8. The bearing cap oil collection and lubrication structure assembly of claim 1, wherein, The end of the one-shaft bearing cover (2) deep into the clutch housing (1) is also provided with an oil collecting groove (21), and the oil collecting groove (21) is communicated with an oil collecting hole (11) arranged on the clutch housing (1).
9. The oil collection and lubrication structure assembly of claim 5, wherein, The second arc segment (46) is also provided with an oil passing hole (44) in the axial direction. The second arc segment (46) is also provided with an oil passing hole (44) in the axial direction.