CN219510120U - Planetary axle with lubricating oil hole - Google Patents
Planetary axle with lubricating oil hole Download PDFInfo
- Publication number
- CN219510120U CN219510120U CN202320590307.6U CN202320590307U CN219510120U CN 219510120 U CN219510120 U CN 219510120U CN 202320590307 U CN202320590307 U CN 202320590307U CN 219510120 U CN219510120 U CN 219510120U
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- lubricating oil
- planetary
- wheel shaft
- shaft
- oil hole
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Abstract
The utility model relates to the technical field of planetary axles, in particular to a planetary axle with a lubricating oil hole. The technical scheme includes that the planetary gear comprises a bearing, a planetary gear shaft and a rubber sheet, wherein the outer surface of the planetary gear shaft is provided with a lubricating oil hole, the lubricating oil hole is communicated with the inner part of the planetary gear shaft, the outer surface of the planetary gear shaft is provided with a lubricating oil groove, the lubricating oil groove is communicated with the lubricating oil hole, the outer surface of the rubber sheet is fixedly provided with a sponge ring, the sponge is positioned in the inner part of the planetary gear shaft, and an oil inlet hole is formed in the axial center position of the outer surface of the rubber sheet. According to the utility model, lubricating oil can fully enter the gap between the contact part of the planetary wheel shaft and the needle roller bearing, so that the planetary wheel shaft and the needle roller bearing are lubricated, the service performance of the planetary wheel shaft is improved, the abrasion between the planetary wheel shaft and the needle roller bearing is reduced, and the service life of the transmission is prolonged.
Description
Technical Field
The utility model relates to the technical field of planetary axles, in particular to a planetary axle with a lubricating oil hole.
Background
In an automotive transmission, a planetary gear is a member that is installed between a power input shaft and a power output shaft to change a gear ratio by changing a meshing position of gears and thereby achieve a gear change purpose. The planetary wheel shaft is a component which is arranged between the planetary wheel and the planetary wheel carrier and provides support for the planetary wheel and the needle roller bearing of the inner hole of the planetary wheel. In the working process of the planet wheel, the outer circle surface of the planet wheel shaft is a roller bearing roller surface, and the two surfaces generate relative motion; meanwhile, as the planetary wheel shaft can bear certain radial acting force when supporting the planetary wheel and the needle roller bearing of the inner hole of the planetary wheel shaft, the working area on the outer circle surface of the planetary wheel shaft is required to have certain form and position tolerance, roughness and higher hardness, and the contact part of the planetary wheel shaft and the needle roller bearing is required to be fully lubricated, so that abnormal abrasion caused by poor lubrication of the planetary wheel shaft in the working process of the planetary wheel mechanism is avoided, and the function and the service life of the whole transmission are further influenced.
The lubricating oil in the cavity of the traditional gearbox is difficult to enter into a gap between the planetary wheel shaft and the needle bearing, so that the lubricating effect between the planetary wheel shaft and the roller surface of the needle bearing is relatively poor, abrasion is easy to generate, the performance of the whole gearbox is reduced and the service life of the whole gearbox is reduced, and therefore, the planetary wheel shaft with the lubricating oil hole is provided.
Disclosure of Invention
The utility model aims to provide a planetary wheel shaft with a lubricating oil hole, which has the advantages that lubricating oil can fully enter a gap between a contact part of the planetary wheel shaft and a needle bearing, the planetary wheel shaft and the needle bearing are lubricated, the service performance of the planetary wheel shaft is improved, the abrasion between the planetary wheel shaft and the needle bearing is reduced, the service life of a transmission is prolonged, and the problems that the lubricating oil in a traditional gearbox cavity is difficult to enter the gap between the planetary wheel shaft and the needle bearing, the lubricating effect between the planetary wheel shaft and the needle bearing roller surface is relatively poor, abrasion is easy to generate, and the performance and the service life of the whole transmission are reduced during operation are solved.
In order to achieve the above purpose, the present utility model provides the following technical solutions: the novel planetary gear comprises a bearing, a planetary gear shaft and a rubber sheet, wherein the outer surface of the planetary gear shaft is provided with a lubricating oil hole, the lubricating oil hole is communicated with the inner part of the planetary gear shaft, the outer surface of the planetary gear shaft is provided with a lubricating oil groove, the lubricating oil groove is communicated with the lubricating oil hole, the outer surface of the rubber sheet is fixedly provided with a sponge ring, the sponge is positioned in the inner part of the planetary gear shaft, and the position of the axis of the outer surface of the rubber sheet is provided with an oil inlet hole.
Preferably, one side of the rubber sheet, which is close to the sponge ring, is fixedly provided with a net barrel, the net barrel is positioned inside the sponge ring, the net barrel prevents the sponge ring from deforming, and the filtering effect on lubricating oil is achieved.
Preferably, one side of the inner wall of the planetary wheel shaft is provided with an annular clamping groove, the edge of the rubber sheet is positioned inside the annular clamping groove, the annular clamping groove plays a role in fixing the rubber sheet, and the rubber sheet is convenient to disassemble and assemble.
Preferably, the outer surface of the planetary wheel shaft is movably sleeved with a bearing.
Compared with the prior art, the utility model has the following beneficial effects:
1. according to the utility model, by arranging the lubricating oil groove and the lubricating oil hole, lubricating oil can fully enter a gap between the contact part of the planetary wheel shaft and the needle bearing, the planetary wheel shaft and the needle bearing are lubricated, the service performance of the planetary wheel shaft is improved, the abrasion between the planetary wheel shaft and the needle bearing is reduced, and therefore, the service life of the transmission is prolonged.
2. According to the utility model, the net barrel is arranged, so that the effects of preventing the sponge ring from deforming and filtering lubricating oil are achieved, the net barrel positioned in the sponge ring has a fixing effect on the sponge ring shape, the sponge ring is prevented from deforming, the outer surface of the sponge ring and the inner wall of the planetary wheel shaft are attached together, the lubricating oil on the sponge ring is facilitated to enter the lubricating oil hole, and impurities in the lubricating oil are filtered through the net barrel when the lubricating oil enters the sponge.
Drawings
FIG. 1 is a schematic diagram of a front view structure of the present utility model;
FIG. 2 is an enlarged schematic view of the structure of FIG. 1A according to the present utility model;
fig. 3 is a schematic side view of the present utility model.
Reference numerals: 1. a bearing; 2. a planetary wheel shaft; 3. a rubber sheet; 4. an oil inlet hole; 5. a lubrication oil groove; 6. a lubrication oil hole; 7. a sponge ring; 8. an annular clamping groove; 9. a net drum.
Detailed Description
The technical scheme of the utility model is further described below with reference to the attached drawings and specific embodiments.
As shown in fig. 1 to 3, the planetary axle with lubrication holes provided by the utility model comprises a bearing 1, a planetary axle 2 and a rubber sheet 3, wherein the bearing 1 is movably sleeved on the outer surface of the planetary axle 2, the outer surface of the planetary axle 2 is provided with the lubrication holes 6, the lubrication holes 6 are provided with a plurality of lubrication holes 6, the plurality of lubrication holes 6 are equally spaced on the outer surface of the planetary axle 2 by taking the planetary axle 2 as an axle center and are distributed on the outer surface of the planetary axle 2 at equal intervals, the lubrication holes 6 are communicated with the inside of the planetary axle 2, the outer surface of the planetary axle 2 is provided with the lubrication grooves 5, the lubrication grooves 5 are communicated with the lubrication holes 6, the lubrication grooves 5 are in equal quantity with the lubrication holes 6, each lubrication groove 5 corresponds to each lubrication hole 6 one by one, a sponge ring 7 is fixedly arranged on the outer surface of the rubber sheet 3, the sponge ring 7 is positioned inside the planetary axle 2, and the lubrication oil entering the inside of the large planetary axle 2 is adsorbed by the sponge ring 7, the lubricating oil is evenly distributed in the planetary wheel shaft 2, the stability of the planetary wheel shaft 2 is prevented from being influenced by shaking of the lubricating oil in the rotating process of the planetary wheel shaft 2, the sponge ring 7 also has the function of filtering impurities in the lubricating oil, one side of the rubber sheet 3 close to the sponge ring 7 is fixedly provided with the net barrel 9, the net barrel 9 is positioned in the sponge ring 7, the net barrel 9 positioned in the sponge ring 7 plays a role in fixing the shape of the sponge ring 7, the sponge ring 7 is prevented from being deformed, the outer surface of the sponge ring 7 and the inner wall of the planetary wheel shaft 2 are attached together, the lubricating oil on the sponge ring 7 is facilitated to enter the lubricating oil hole 6, meanwhile, when the lubricating oil enters the sponge ring 7, the impurities in the lubricating oil are filtered through the net barrel 9, one side of the inner wall of the planetary wheel shaft 2 is provided with the annular clamping groove 8, the edge of the rubber sheet 3 is positioned in the annular clamping groove 8, the annular clamping groove 8 plays a fixed role on the rubber sheet 3, and is convenient for the disassembly and assembly of the rubber sheet 3, and the position of the axis of the outer surface of the rubber sheet 3 is provided with the oil inlet 4.
When the planetary gear shaft transmission device is used, lubricating oil in the gearbox is provided with the oil inlet hole 4 to enter the planetary gear shaft 2 and is adsorbed on the sponge ring 7, the lubricating oil passing through the sponge ring 7 flows into the lubricating oil groove 5 from the lubricating oil hole 6, and a layer of lubricating oil film is formed between the inner wall of the bearing 1 and the outer surface of the planetary gear shaft 2, so that abrasion between the bearing 1 and the planetary gear shaft 2 is reduced.
The above-described embodiments are merely a few preferred embodiments of the present utility model, and many alternative modifications and combinations of the above-described embodiments will be apparent to those skilled in the art based on the technical solutions of the present utility model and the related teachings of the above-described embodiments.
Claims (4)
1. The utility model provides a planet wheel axle with lubricating oil hole, includes bearing (1), planet wheel axle (2) and sheet rubber (3), its characterized in that: the planet shaft (2) surface is equipped with lubricating oil hole (6), and lubricating oil hole (6) and the inside intercommunication of planet shaft (2), planet shaft (2) surface is equipped with lubricating oil groove (5), and lubricating oil groove (5) and lubricating oil hole (6) intercommunication, sheet rubber (3) surface fixed mounting has sponge ring (7), and sponge ring (7) are located planet shaft (2) inside, sheet rubber (3) surface axle center position department is equipped with inlet port (4).
2. The planetary axle having a lubrication hole according to claim 1, wherein: the rubber sheet (3) is fixedly provided with a net barrel (9) at one side close to the sponge ring, and the net barrel (9) is positioned in the sponge ring (7).
3. The planetary axle having a lubrication hole according to claim 1, wherein: an annular clamping groove (8) is formed in one side of the inner wall of the planetary wheel shaft (2), and the edge of the rubber sheet (3) is located inside the annular clamping groove (8).
4. The planetary axle having a lubrication hole according to claim 1, wherein: the outer surface of the planetary wheel shaft (2) is movably sleeved with a bearing (1).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202320590307.6U CN219510120U (en) | 2023-03-23 | 2023-03-23 | Planetary axle with lubricating oil hole |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202320590307.6U CN219510120U (en) | 2023-03-23 | 2023-03-23 | Planetary axle with lubricating oil hole |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN219510120U true CN219510120U (en) | 2023-08-11 |
Family
ID=87532559
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202320590307.6U Active CN219510120U (en) | 2023-03-23 | 2023-03-23 | Planetary axle with lubricating oil hole |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN219510120U (en) |
-
2023
- 2023-03-23 CN CN202320590307.6U patent/CN219510120U/en active Active
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| GR01 | Patent grant | ||
| GR01 | Patent grant |