CN113775735A - Transmission lubricating device, lubricating oil rail and automobile - Google Patents
Transmission lubricating device, lubricating oil rail and automobile Download PDFInfo
- Publication number
- CN113775735A CN113775735A CN202110928479.5A CN202110928479A CN113775735A CN 113775735 A CN113775735 A CN 113775735A CN 202110928479 A CN202110928479 A CN 202110928479A CN 113775735 A CN113775735 A CN 113775735A
- Authority
- CN
- China
- Prior art keywords
- bearing
- transmission
- lubricating oil
- groove
- disc
- 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.)
- Granted
Links
- 230000005540 biological transmission Effects 0.000 title claims abstract description 59
- 239000010687 lubricating oil Substances 0.000 title claims abstract description 48
- 230000001050 lubricating effect Effects 0.000 title claims abstract description 22
- 230000002093 peripheral effect Effects 0.000 claims abstract description 28
- 238000007789 sealing Methods 0.000 claims abstract description 26
- 239000003921 oil Substances 0.000 claims abstract description 21
- 238000005461 lubrication Methods 0.000 claims description 12
- 230000000903 blocking effect Effects 0.000 claims description 6
- 238000005299 abrasion Methods 0.000 description 2
- 239000007769 metal material Substances 0.000 description 2
- 238000006467 substitution reaction Methods 0.000 description 2
- 238000010586 diagram Methods 0.000 description 1
- 238000004519 manufacturing process Methods 0.000 description 1
Images
Classifications
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- 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
- F16H57/0421—Guidance of lubricant on or within the casing, e.g. shields or baffles for collecting lubricant, tubes, pipes, grooves, channels or the like
- F16H57/0424—Lubricant guiding means in the wall of or integrated with the casing, e.g. grooves, channels, holes
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- 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
- F16H57/02—Gearboxes; Mounting gearing therein
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- 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
- F16H57/02—Gearboxes; Mounting gearing therein
- F16H57/021—Shaft support structures, e.g. partition walls, bearing eyes, casing walls or covers with bearings
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- 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
- F16H57/02—Gearboxes; Mounting gearing therein
- F16H57/029—Gearboxes; Mounting gearing therein characterised by means for sealing the gearboxes, e.g. to improve airtightness
-
- 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
- F16H57/0467—Elements of gearings to be lubricated, cooled or heated
- F16H57/0469—Bearings or seals
- F16H57/0471—Bearing
Landscapes
- Engineering & Computer Science (AREA)
- General Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- General Details Of Gearings (AREA)
Abstract
The invention provides a transmission lubricating device which comprises a shaft, a bearing baffle disc, a lubricating oil rail and a transmission shell, wherein the bearing is arranged at the end part of the shaft, the transmission shell is arranged outside the bearing, the lubricating oil rail is arranged in a cavity formed by the transmission shell and the bearing baffle disc, a groove is arranged on the outer peripheral wall of the lubricating oil rail or the inner peripheral surface of the bearing baffle disc, a sealing ring is arranged in the groove, and the sealing ring, the outer peripheral wall of the lubricating oil rail and the inner peripheral surface of the bearing baffle disc form a quantitative closed oil pool. The invention can control the amount of oil distributed to different bearings by the lubricating oil rail.
Description
Technical Field
The invention relates to the technical field of lubrication, in particular to a lubricating oil rail for lubricating a transmission bearing and parts on a shaft.
Background
Transmissions are important components in automotive drivelines for varying the torque and rotational speed output by an engine. The transmission mainly depends on gear pairs with different transmission ratios to change output power and rotating speed, a driven wheel is sleeved on a transmission shaft in a hollow mode, a needle bearing is arranged between the driven wheel and the transmission shaft for supporting, when the gear pairs work, friction is inevitably generated between the transmission shaft and the needle bearing, and in order to reduce the phenomenon of needle bearing abrasion failure caused by the friction generated between the transmission shaft and the needle bearing, a transmission lubricating system is usually configured for the transmission, and the needle bearing on the transmission shaft is lubricated by lubricating oil so as to reduce the phenomenon of needle bearing abrasion failure caused by the friction generated between the transmission shaft and the needle bearing.
Fig. 1 shows a transmission lubrication device comprising a shaft 11, a bearing 13, a bearing plate 15, a lubrication rail 17 and a transmission housing 19. Bearing 13 is installed in axle 11 tip, and derailleur casing 19 is installed in the bearing 13 outside, and lubricated oil rail 17 is installed in the cavity that derailleur casing 19 and bearing keep off dish 15 formed. However, the distribution of oil from such a lubricating oil rail to different bearings does not allow a controlled amount.
The foregoing description is provided for general background information and is not admitted to be prior art.
Disclosure of Invention
The invention aims to provide a transmission lubricating device, a lubricating oil rail and an automobile, which are used for controlling the amount of oil distributed to different bearings by the lubricating oil rail.
The invention firstly provides a transmission lubricating device which comprises a shaft, a bearing baffle disc, a lubricating oil rail and a transmission shell, wherein the bearing is arranged at the end part of the shaft, the bearing baffle disc is arranged at the outer side of the bearing, the transmission shell is arranged at the outer side of the bearing baffle disc, the lubricating oil rail is arranged in a cavity formed by the transmission shell and the bearing baffle disc, a groove is arranged on the outer peripheral wall of the lubricating oil rail or the inner peripheral surface of the bearing baffle disc, a sealing ring is arranged in the groove, and a quantitative closed oil pool is formed by the sealing ring, the outer peripheral wall of the lubricating oil rail and the inner peripheral surface of the bearing baffle disc.
Further, the lubricating oil rail comprises a first cylindrical portion and a first disc portion, the first cylindrical portion is arranged in the hollow cavity of the shaft, the first disc portion is arranged between the bearing blocking disc and the transmission shell, and the groove is formed in the first cylindrical portion.
Further, the location of the groove is determined according to the volume required for quantitatively closing the oil pool.
Further, the sealing ring can bear 7500 RPM.
Further, the longitudinal section of the first cylindrical portion is stepped, and the concave groove is provided in a portion of the first cylindrical portion where the wall thickness is thick.
The invention also provides a lubricating oil rail for lubricating a bearing of a transmission, the bearing is arranged at the end part of the shaft, the bearing baffle disc is arranged outside the bearing, a groove is arranged on the outer peripheral wall of the lubricating oil rail, a sealing ring is arranged in the groove and is sealed with the inner peripheral surface of the bearing baffle disc, and the sealing ring, the outer peripheral wall of the lubricating oil rail and the inner peripheral surface of the bearing baffle disc form a quantitative closed oil pool.
Further, the lubricating oil rail comprises a first cylindrical portion and a first disc portion, the first cylindrical portion is arranged in the hollow cavity of the shaft, the first disc portion is arranged between the bearing blocking disc and the transmission shell, and the groove is formed in the first cylindrical portion.
Further, the sealing ring can bear 7500 RPM.
Further, the longitudinal section of the first cylindrical portion is stepped, and includes a first wall portion and a second wall portion, the first wall portion has a thickness greater than that of the second wall portion, and the groove is provided in the first wall portion.
The invention further provides an automobile part comprising a transmission, wherein the transmission is provided with any one of the transmission lubricating devices.
The transmission lubricating device, the lubricating oil rail and the automobile part provided by the invention can control the amount of oil distributed to different bearings through the lubricating oil rail.
Drawings
FIG. 1 is a schematic diagram of a known transmission lube rail configuration.
Fig. 2 is a schematic structural view of a transmission lubricating apparatus of the present invention.
Detailed Description
The following detailed description of embodiments of the present invention is provided in connection with the accompanying drawings and examples. The following examples are intended to illustrate the invention but are not intended to limit the scope of the invention.
Referring to fig. 2, the transmission lubrication device provided in the preferred embodiment of the present invention includes a shaft 21, a bearing 23, a bearing retainer 25, a lubrication oil rail 27, and a transmission housing 29. The bearing 23 is mounted at the end of the shaft 21, the bearing baffle disc 25 is mounted at the outer side of the bearing 23, the transmission housing 29 is mounted at the outer side of the bearing baffle disc 25, and the lubricating oil rail 27 is mounted in a cavity formed by the transmission housing 29 and the bearing baffle disc 25. The outer peripheral wall 272 of the lubricating oil rail 27 or the inner peripheral surface 252 of the bearing retainer disc 25 is provided with a groove 26, a sealing ring 28 is installed in the groove 26, and the sealing ring 28, the outer peripheral wall of the lubricating oil rail 27 and the inner peripheral surface 252 of the bearing retainer disc 25 form a quantitative closed oil pool, so that lubricating oil can be distributed and conveyed in a quantitative mode with high efficiency. The sealing ring is installed in the lubricating oil rail groove and forms sealing with the inner diameter of the bearing blocking disc, so that the lubricating effect can be ensured under different working conditions. The invention can form a closed oil pool with a calculable volume, thereby accurately quantitatively distributing and conveying lubricating oil and fully lubricating the transmission.
The location of the groove 26 can be determined according to the volume required to quantitatively close the oil sump. In this embodiment, the lubrication rail 27 includes a first cylindrical portion 271 and a disc portion 273, the first cylindrical portion 271 being disposed within the hollow cavity of the shaft 21, the disc portion 273 being disposed between the bearing retainer 25 and the transmission housing 29, and the recess 26 being disposed on the first cylindrical portion 271. In another embodiment, the bearing shield disk 25 includes a second cylindrical portion 251 and a second circular disk portion 253, the second cylindrical portion 251 is disposed within the hollow cavity of the shaft 21, the second circular disk portion 253 is disposed between the shaft 21 and the first circular disk portion 273, and the recess 26 is disposed on the second cylindrical portion 251. The bearing retainer disc 25 is preferably made of a metal material, the sealing ring 28 can bear 7500RPM, and the sealing ring 28 seals oil to form an oil pool and distribute oil.
The longitudinal section of the first cylindrical portion 271 is provided in a stepped shape to increase the size of the lubricating oil groove 26 provided in a thick wall portion of the first cylindrical portion 271.
Reference may be made again to fig. 1. The lubricating oil rail 27 provided by the invention is a lubricating oil rail with a sealing function, and can be used for lubricating a bearing 23 of a transmission, wherein the bearing 23 is arranged at the end part of a shaft 21, a bearing baffle disc 25 is arranged at the outer side of the bearing 23, a groove 26 is arranged on the outer peripheral wall 272 of the lubricating oil rail 27, a sealing ring 28 is arranged in the groove 26, the sealing ring 28 is sealed with the inner peripheral surface of the bearing baffle disc 25, and the sealing ring 28, the outer peripheral wall of the lubricating oil rail 27 and the inner peripheral surface of the bearing baffle disc 25 form a quantitative closed oil pool. The lubricating oil rail 27 includes a first cylindrical portion 271 provided in the hollow cavity of the shaft 21, and a disc portion 273 provided between the bearing retainer 25 and the transmission case 29, the recess 26 being provided on the first cylindrical portion 271. The bearing baffle disc 25 of the lubricating oil rail is made of metal materials, and the sealing ring 28 can bear 7500 RPM. The first cylindrical portion 271 has a stepped longitudinal section and includes a first wall portion 274 and a second wall portion 276, the first wall portion 274 has a larger thickness than the second wall portion 276, and the concave groove 26 is provided in the first wall portion 274 of the first cylindrical portion 271. That is, the concave groove 26 is provided in a portion of the first cylinder portion 271 where the wall thickness is thick, and preferably, may be provided in a portion of the first cylinder portion 271 where the wall thickness is the thickest. The first cylindrical portion 271 may be constituted only by the first wall portion 274 and the second wall portion 276, with the first wall portion 274 where the groove 26 is located being the thickest portion of the first cylindrical portion 271.
The lubricating oil rail and the transmission lubricating device can be used for automobiles, and the invention provides an automobile part which is provided with any one of the transmission lubricating devices.
In conclusion, the sealing ring is added to form the closed oil pool, so that the lubricating oil is accurately and efficiently distributed. The lubricating oil rail has the advantages of simple structure, easy manufacture and high efficiency, and easily solves the problem of high-efficiency distribution of the lubricating oil of the gearbox.
The above description is only for the specific embodiments of the present invention, but the scope of the present invention is not limited thereto, and any person skilled in the art can easily conceive of the changes or substitutions within the technical scope of the present invention, and all the changes or substitutions should be covered within the scope of the present invention. Therefore, the protection scope of the present invention shall be subject to the protection scope of the appended claims.
Claims (10)
1. A transmission lubricating device comprises a shaft (21), a bearing (23), a bearing baffle disc (25), a lubricating oil rail (27) and a transmission housing (29), wherein the bearing (23) is installed at the end part of the shaft (21), the bearing baffle disc (25) is installed at the outer side of the bearing (23), the transmission housing (29) is installed at the outer side of the bearing baffle disc (25), the lubricating oil rail (27) is installed in a cavity formed by the transmission housing (29) and the bearing baffle disc (25), and the transmission lubricating device is characterized in that: a groove (26) is formed in the outer peripheral wall (272) of the lubricating oil rail (27) or the inner peripheral surface (252) of the bearing baffle disc (25), a sealing ring (28) is installed in the groove (26), and the sealing ring (28), the outer peripheral wall of the lubricating oil rail (27) and the inner peripheral surface (252) of the bearing baffle disc (25) form a quantitative closed oil pool.
2. The transmission lubrication apparatus of claim 1, wherein:
the lubricating oil rail (27) comprises a first cylindrical portion (271) and a first disc portion (273), the first cylindrical portion (271) is arranged in a hollow cavity of the shaft (21), the first disc portion (273) is arranged between the bearing baffle disc (25) and the transmission housing (29), and the groove (26) is arranged on the first cylindrical portion (271).
3. Transmission lubrication device according to claim 1, characterised in that the position of the groove (26) is determined according to the volume required for quantitatively closing the oil sump.
4. A transmission lubricating apparatus as claimed in claim 1, characterised in that the sealing ring (28) can withstand a rotational speed of 7500 RPM.
5. The transmission lubricating apparatus according to claim 1, wherein the first cylindrical portion (271) is stepped in longitudinal section, and the groove (26) is provided in a portion where the wall thickness of the first cylindrical portion (271) is thick.
6. A lubricating oil rail is used for lubricating a bearing (23) of a transmission, the bearing (23) is installed at the end of a shaft (21), and a bearing blocking disc (25) is installed on the outer side of the bearing (23), and is characterized in that a groove (26) is formed in the outer peripheral wall (272) of the lubricating oil rail (27), a sealing ring (28) is arranged in the groove (26), the sealing ring (28) is sealed with the inner peripheral surface of the bearing blocking disc (25), and a quantitative closed oil pool is formed by the outer peripheral wall of the lubricating oil rail (27) and the inner peripheral surface of the bearing blocking disc (25) by the sealing ring (28).
7. The lubrication rail of claim 6, wherein the lubrication rail (27) comprises a first cylindrical portion (271) and a first disc portion (273), the first cylindrical portion (271) being disposed within the hollow cavity of the shaft (21), the first disc portion (273) being disposed between the bearing shield (25) and the transmission housing (29), the groove (26) being disposed on the first cylindrical portion (271).
8. The lubrication rail according to claim 6, wherein said seal ring (28) can withstand a rotational speed of 7500 RPM.
9. The lubrication rail according to claim 6, wherein the first cylindrical portion (271) has a stepped longitudinal section including a first wall portion (274) and a second wall portion (276), the first wall portion (274) having a thickness larger than a thickness of the second wall portion (276), and the groove (26) is provided in the first wall portion (274).
10. A motor vehicle comprising a transmission, characterized in that the transmission has a transmission lubricating apparatus according to any one of claims 1 to 5.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202110928479.5A CN113775735B (en) | 2021-08-13 | 2021-08-13 | Transmission lubricating device, lubricating oil rail and automobile |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202110928479.5A CN113775735B (en) | 2021-08-13 | 2021-08-13 | Transmission lubricating device, lubricating oil rail and automobile |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN113775735A true CN113775735A (en) | 2021-12-10 |
| CN113775735B CN113775735B (en) | 2023-03-21 |
Family
ID=78837591
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202110928479.5A Active CN113775735B (en) | 2021-08-13 | 2021-08-13 | Transmission lubricating device, lubricating oil rail and automobile |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN113775735B (en) |
Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2011185322A (en) * | 2010-03-05 | 2011-09-22 | Ntn Corp | Lubricating device for planetary gear reduction gear |
| DE102011000571A1 (en) * | 2011-02-09 | 2012-08-09 | Dr. Ing. H.C. F. Porsche Aktiengesellschaft | Gearbox for electrical drive module of electric vehicle e.g. convertible, has upper manifold arranged within gear housing, where lubrication oil distributed from manifold is conveyed to bearing of gearbox shafts by guiding devices |
| CN205350304U (en) * | 2016-01-15 | 2016-06-29 | 上海汽车变速器有限公司 | Lubricating system of derailleur output shaft assembly |
| CN205446659U (en) * | 2015-12-24 | 2016-08-10 | 沃德传动（天津）股份有限公司 | Speed reducer |
| CN208885534U (en) * | 2018-09-30 | 2019-05-21 | 天津东石北美牧场设备制造有限公司 | A kind of pump head device of waste delivery pump |
-
2021
- 2021-08-13 CN CN202110928479.5A patent/CN113775735B/en active Active
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2011185322A (en) * | 2010-03-05 | 2011-09-22 | Ntn Corp | Lubricating device for planetary gear reduction gear |
| DE102011000571A1 (en) * | 2011-02-09 | 2012-08-09 | Dr. Ing. H.C. F. Porsche Aktiengesellschaft | Gearbox for electrical drive module of electric vehicle e.g. convertible, has upper manifold arranged within gear housing, where lubrication oil distributed from manifold is conveyed to bearing of gearbox shafts by guiding devices |
| CN205446659U (en) * | 2015-12-24 | 2016-08-10 | 沃德传动（天津）股份有限公司 | Speed reducer |
| CN205350304U (en) * | 2016-01-15 | 2016-06-29 | 上海汽车变速器有限公司 | Lubricating system of derailleur output shaft assembly |
| CN208885534U (en) * | 2018-09-30 | 2019-05-21 | 天津东石北美牧场设备制造有限公司 | A kind of pump head device of waste delivery pump |
Also Published As
| Publication number | Publication date |
|---|---|
| CN113775735B (en) | 2023-03-21 |
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Effective date of registration: 20221208 Address after: No. 99, Beihui Road, Huishan Industrial Transformation Cluster, Wuxi City, Jiangsu Province, 214100 Applicant after: Wuxi Xingqu Technology Co.,Ltd. Applicant after: ZHEJIANG GEELY HOLDING GROUP Co.,Ltd. Address before: 315336 818 Binhai two road, Hangzhou Bay New District, Ningbo, Zhejiang Applicant before: NINGBO GEELY ROYAL ENGINE COMPONENTS Co.,Ltd. Applicant before: Aurobay Technology Co., Ltd. Applicant before: NINGBO SHANGZHONGXIA AUTOMATIC TRANSMISSION Co.,Ltd. Applicant before: ZHEJIANG GEELY HOLDING GROUP Co.,Ltd. |
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Effective date of registration: 20230627 Address after: No. 99, Beihui Road, Huishan Industrial Transformation Cluster, Wuxi City, Jiangsu Province, 214100 Patentee after: Wuxi Xingqu Power Technology Co.,Ltd. Patentee after: Wuxi Xingqu Technology Co.,Ltd. Patentee after: ZHEJIANG GEELY HOLDING GROUP Co.,Ltd. Address before: No. 99, Beihui Road, Huishan Industrial Transformation Cluster, Wuxi City, Jiangsu Province, 214100 Patentee before: Wuxi Xingqu Technology Co.,Ltd. Patentee before: ZHEJIANG GEELY HOLDING GROUP Co.,Ltd. |