CN220505696U - Planetary gear with lubricating structure - Google Patents
Planetary gear with lubricating structure Download PDFInfo
- Publication number
- CN220505696U CN220505696U CN202322168850.XU CN202322168850U CN220505696U CN 220505696 U CN220505696 U CN 220505696U CN 202322168850 U CN202322168850 U CN 202322168850U CN 220505696 U CN220505696 U CN 220505696U
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- oil
- gear
- pipe
- sleeve
- planetary gear
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- 230000001050 lubricating effect Effects 0.000 title claims abstract description 9
- 238000005461 lubrication Methods 0.000 claims abstract description 8
- 230000007246 mechanism Effects 0.000 claims description 6
- 238000007789 sealing Methods 0.000 claims description 4
- 239000010687 lubricating oil Substances 0.000 abstract description 25
- 239000003921 oil Substances 0.000 description 73
- 238000000034 method Methods 0.000 description 4
- 230000009471 action Effects 0.000 description 3
- 238000005299 abrasion Methods 0.000 description 2
- 230000005540 biological transmission Effects 0.000 description 2
- 230000008569 process Effects 0.000 description 2
- 239000002699 waste material Substances 0.000 description 2
- 230000004075 alteration Effects 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 238000009987 spinning Methods 0.000 description 1
- 238000006467 substitution reaction Methods 0.000 description 1
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Abstract
The utility model discloses a planetary gear with a lubricating structure, which relates to the field of planetary gears and comprises a central gear, an annular gear, a driving shaft and a plurality of planetary gears, wherein the central gear is positioned in the middle of the inner gear, the driving shaft is fixedly inserted into the middle of the central gear, the planetary gears are positioned in the inner gear and uniformly distributed in a ring shape around the central gear, and each planetary gear is simultaneously meshed with the central gear and the annular gear. The planetary gear device can automatically lubricate the inside of the planetary gear device when the planetary gear device is used, the phenomenon that lubrication is not timely is avoided, the lubricating oil is also avoided, and the planetary gear device is convenient for people to use.
Description
Technical Field
The utility model belongs to the technical field of planetary gears, and particularly relates to a planetary gear with a lubricating structure.
Background
In addition to being able to rotate about its own axis of rotation (B-B) as a fixed axis gear, planetary gears are also known as "spinning" in which their axis of rotation rotates about its own axis, and "revolution" in which rotation about its own axis is known as "revolution" in which they are like planets in a solar system.
At present, when the planetary gear is used, because a plurality of gears in the planetary gear are meshed with each other, the friction frequency is higher, therefore, the lubricating oil needs to be added into the planetary gear regularly, the friction force between a plurality of gears is reduced, and the abrasion of a plurality of gears is reduced, however, the mode needs to be used for adding the lubricating oil regularly, so that the lubrication is not timely influenced, and when the lubricating oil is added, excessive added lubricating oil can lead to lubricating oil flowing, so that the lubricating oil is wasted, less added lubricating oil can lead to the need of multiple addition, and the labor intensity of people is increased.
Disclosure of Invention
Aiming at the situation, in order to overcome the defects of the prior art, the utility model provides the planetary gear with the lubricating structure, which effectively solves the problems that when the existing planetary gear is used, because a plurality of gears are meshed with each other in the prior art, the friction frequency is high, the lubricating oil needs to be periodically added into the planetary gear, so that the friction force among the plurality of gears is reduced, the abrasion of the plurality of gears is reduced, however, the lubricating oil needs to be periodically added, the lubricating oil is not timely to influence the lubricating of the gears, excessive lubricating oil added can lead to the flowing of the lubricating oil to cause the waste of the lubricating oil, and less lubricating oil is added, so that the problem that the repeated adding is required and the labor intensity of people is increased is solved.
In order to achieve the above purpose, the present utility model provides the following technical solutions: the planetary gear with the lubricating structure comprises a central gear, an annular gear, a driving shaft and a plurality of planetary gears, wherein the central gear is positioned in the middle of the inner part of the annular gear, the driving shaft is fixedly inserted into the middle of the central gear, the planetary gears are positioned in the inner part of the annular gear and are uniformly distributed in a ring shape around the central gear, and each planetary gear is simultaneously meshed with the central gear and the annular gear;
the inside of sun gear has seted up circular oil pocket, the fixed a plurality of sleeve pipes that are provided with of circumference lateral wall of circular oil pocket, a plurality of circular mouths that align with a plurality of sleeve pipes respectively have been seted up to the circumference lateral wall of circular oil pocket, every all slide in the sleeve pipe and be provided with out oil pipe, go out oil pipe's inner for sealing the setting, and go out oil pipe's outer end and slide and pass the circular mouthful and extend to sun gear's outside, be provided with in the sleeve pipe and promote out oil pipe gliding elastic mechanism, the pipe wall that goes out oil pipe is located the inside one end of sleeve pipe and has been seted up first oil inlet, the second oil inlet that can align with first oil inlet has been seted up to sheathed tube pipe wall, the oiling mouth has been seted up to sun gear's front side, the surface threaded connection of oiling mouth has sealed lid.
Preferably, the elastic mechanism comprises a spring, the spring is arranged in the sleeve, and two ends of the spring are fixedly connected with the oil outlet pipe and the inner side wall of the sleeve respectively.
Preferably, two symmetrically distributed guide sliding grooves are formed in the inner side wall of the sleeve, guide sliding blocks are slidably arranged in the two guide sliding grooves, and the two guide sliding blocks are fixedly connected with the outer pipe wall of the oil outlet pipe.
Preferably, the first oil seal is fixedly arranged in the round port, and the outer pipe wall of the oil outlet pipe is tightly contacted with the inner side wall of the first oil seal and is sleeved in a sliding manner.
Preferably, the second oil seal is fixedly arranged on the inner side wall of the sleeve, the second oil seal is positioned between the second oil inlet and the guide chute, and the outer pipe wall of the oil outlet pipe is tightly contacted with the inner side wall of the second oil seal and is sleeved in a sliding manner.
Preferably, the number of the sleeve and the oil outlet pipe is four, and the four sleeve driving shafts are uniformly distributed in a ring shape.
The utility model has the technical effects and advantages that:
1. the oil filling port is used for filling lubricating oil into the circular oil cavity, when the central gear and the planetary gear are in transmission, the plurality of planetary gears can repeatedly compress the oil outlet pipe towards the inside of the sleeve, and at the moment, the first oil inlet on the oil outlet pipe is aligned with the second oil inlet on the sleeve, the lubricating oil can enter the oil outlet pipe, so that the lubricating oil is smeared on the planetary gears, the sun gear, the plurality of planetary gears and the annular gear can be automatically lubricated along with the rotation of the plurality of planetary gears and the sun gear, and when the planetary gears leave from the position of the oil outlet pipe, the oil outlet pipe can be driven to slide outwards through the arranged spring, so that the first oil inlet and the second oil inlet are closed.
Drawings
The accompanying drawings are included to provide a further understanding of the utility model and are incorporated in and constitute a part of this specification, illustrate the utility model and together with the embodiments of the utility model, serve to explain the utility model. In the drawings:
FIG. 1 is a schematic diagram of the overall frontal structure of the present utility model;
FIG. 2 is a schematic front cross-sectional view of a sun gear of the present utility model;
fig. 3 is an enlarged schematic view of the portion a of fig. 2 according to the present utility model.
In the figure: 1. a sun gear; 2. an inner gear ring; 3. a drive shaft; 4. a planetary gear; 5. a sleeve; 6. an oil outlet pipe; 7. a spring; 8. a guide slide block; 9. a first oil seal; 10. a second oil seal; 11. sealing cover.
Detailed Description
The utility model provides a planetary gear with a lubricating structure as shown in figures 1-3, which comprises a central gear 1, an annular gear 2, a driving shaft 3 and a plurality of planetary gears 4, wherein the central gear 1 is positioned in the middle of the inner part of the annular gear 2, the driving shaft 3 is fixedly inserted into the middle of the central gear 1, the plurality of planetary gears 4 are positioned in the inner part of the annular gear 2 and are uniformly distributed in a ring shape around the central gear 1, and each planetary gear 4 is simultaneously meshed with the central gear 1 and the annular gear 2;
the inside of sun gear 1 has seted up circular oil pocket, circular oil pocket's circumference lateral wall is fixed to be provided with a plurality of sleeve pipes 5, a plurality of round mouths that align with a plurality of sleeve pipes 5 respectively have been seted up to circular oil pocket's circumference lateral wall, all slide in every sleeve pipe 5 and be provided with out oil pipe 6, go out oil pipe 6's inner for sealing the setting, and go out oil pipe 6's outer end and slide and pass round mouthful and extend to sun gear 1's outside, be provided with in sleeve pipe 5 and promote out oil pipe 6 gliding elastic mechanism, go out oil pipe 6's pipe wall and lie in the inside one end of sleeve pipe 5 and have seted up first oil inlet, the second oil inlet that can align with first oil inlet has been seted up to sleeve pipe 5's pipe wall, the oiling mouth has been seted up to sun gear 1's front side, the surface threaded connection of oiling mouth has sealed lid 11.
As shown in fig. 2 and 3, the elastic mechanism comprises a spring 7, the spring 7 is arranged in the sleeve 5, and two ends of the spring 7 are fixedly connected with the oil outlet pipe 6 and the inner side wall of the sleeve 5 respectively.
As shown in fig. 3, two symmetrically distributed guiding sliding grooves are formed in the inner side wall of the sleeve 5, guiding sliding blocks 8 are slidably arranged in the two guiding sliding grooves, and the two guiding sliding blocks 8 are fixedly connected with the outer pipe wall of the oil outlet pipe 6, so that the oil outlet pipe 6 can only slide in the sleeve 5, and the oil outlet pipe 6 is prevented from rotating in the sleeve 5.
As shown in fig. 3, the first oil seal 9 is fixedly arranged in the circular port, the outer pipe wall of the oil outlet pipe 6 is tightly contacted with the inner side wall of the first oil seal 9 and is sleeved in a sliding manner, so that the tightness between the oil outlet pipe 6 and the circular port is improved, and lubricating oil leakage is avoided.
As shown in fig. 3, the second oil seal 10 is fixedly arranged on the inner side wall of the sleeve 5, the second oil seal 10 is located between the second oil inlet and the guide chute, the outer pipe wall of the oil outlet pipe 6 is tightly contacted with the inner side wall of the second oil seal 10 and is sleeved in a sliding manner, the tightness of the oil outlet pipe 6 and one end, close to the spring 7, of the inner side wall of the sleeve 5 is improved, and lubricating oil is prevented from entering one end, close to the spring 7, of the sleeve 5.
As shown in fig. 2, the number of the sleeve 5 and the oil outlet pipe 6 is four, and the driving shafts 3 of the four sleeve 5 are uniformly distributed in a ring shape.
The working principle of the utility model is as follows: the oil filling port is used for filling lubricating oil into the circular oil cavity, when the central gear 1 and the planetary gears 4 are in transmission, the plurality of planetary gears 4 can repeatedly compress the oil outlet pipe 6 towards the inside of the sleeve 5, and at the moment, the first oil inlet on the oil outlet pipe 6 is aligned with the second oil inlet on the sleeve 5, the lubricating oil can enter the oil outlet pipe 6, so that the lubricating oil is smeared on the planetary gears 4, the central gear 1, the plurality of planetary gears 4 and the annular gear 2 can be automatically lubricated along with the rotation of the plurality of planetary gears 4 and the central gear 1, and when the planetary gears 4 leave from the position of the oil outlet pipe 6, the oil outlet pipe 6 can be driven to slide outwards through the arranged springs 7, so that the first oil inlet and the second oil inlet are closed, and when the planetary gear device is used, the inside of the planetary gear device is automatically lubricated without manually and periodically adding the lubricating oil into the planetary gear device for a plurality of times, the phenomenon of lubrication is avoided, the phenomenon of lubricating oil waste is also avoided, and people are convenient to use.
It is noted that relational terms such as first and second, and the like are used solely to distinguish one entity or action from another entity or action without necessarily requiring or implying any actual such relationship or order between such entities or actions. Moreover, the terms "comprises," "comprising," or any other variation thereof, are intended to cover a non-exclusive inclusion, such that a process, method, article, or apparatus that comprises a list of elements does not include only those elements but may include other elements not expressly listed or inherent to such process, method, article, or apparatus.
Although embodiments of the present utility model have been shown and described, it will be understood by those skilled in the art that various changes, modifications, substitutions and alterations can be made therein without departing from the principles and spirit of the utility model, the scope of which is defined in the appended claims and their equivalents.
Claims (6)
1. A planetary gear with lubricating structure, characterized in that: the planetary gear comprises a central gear (1), an annular gear (2), a driving shaft (3) and a plurality of planetary gears (4), wherein the central gear (1) is positioned in the middle of the inner part of the annular gear (2), the driving shaft (3) is fixedly inserted into the middle of the central gear (1), the planetary gears (4) are positioned in the inner part of the annular gear (2) and are uniformly distributed in a ring shape around the central gear (1), and each planetary gear (4) is simultaneously meshed with the central gear (1) and the annular gear (2);
the inside of sun gear (1) has been seted up circular oil pocket, the fixed a plurality of sleeve pipes (5) that are provided with of circumference lateral wall of circular oil pocket, a plurality of round mouths that align with a plurality of sleeve pipes (5) respectively have been seted up to circumference lateral wall of circular oil pocket, every all slide in sleeve pipe (5) and be provided with out oil pipe (6), the inner of out oil pipe (6) is for sealing the setting, and the outer end of out oil pipe (6) slides and pass round mouthful and extend to the outside of sun gear (1), be provided with in sleeve pipe (5) and promote out oil pipe (6) gliding elastic mechanism, first oil inlet has been seted up to the pipe wall that goes out oil pipe (6) is located the inside one end of sleeve pipe (5), the second oil inlet that can align with first oil inlet has been seted up to the pipe wall of sleeve pipe (5), the oiling mouth has been seted up to the front side of sun gear (1), the surface threaded connection of oiling mouth has sealed lid (11).
2. A planetary gear with lubrication according to claim 1, wherein: the elastic mechanism comprises a spring (7), the spring (7) is arranged in the sleeve (5), and two ends of the spring (7) are fixedly connected with the oil outlet pipe (6) and the inner side wall of the sleeve (5) respectively.
3. A planetary gear with lubrication according to claim 2, wherein: two symmetrically distributed guide sliding grooves are formed in the inner side wall of the sleeve (5), guide sliding blocks (8) are arranged in the guide sliding grooves in a sliding mode, and the guide sliding blocks (8) are fixedly connected with the outer pipe wall of the oil outlet pipe (6).
4. A planetary gear with a lubrication according to claim 3, wherein: the oil seal device is characterized in that a first oil seal (9) is fixedly arranged in the round opening, and the outer pipe wall of the oil outlet pipe (6) is tightly contacted with the inner side wall of the first oil seal (9) and is sleeved in a sliding manner.
5. A planetary gear with lubrication according to claim 4, wherein: the inner side wall of the sleeve (5) is fixedly provided with a second oil seal (10), the second oil seal (10) is positioned between the second oil inlet and the guide chute, and the outer pipe wall of the oil outlet pipe (6) is tightly contacted with the inner side wall of the second oil seal (10) and is sleeved in a sliding manner.
6. A planetary gear with lubrication according to claim 5, wherein: the number of the sleeve pipes (5) and the number of the oil outlet pipes (6) are four, and the driving shafts (3) of the four sleeve pipes (5) are uniformly distributed in a ring shape.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202322168850.XU CN220505696U (en) | 2023-08-14 | 2023-08-14 | Planetary gear with lubricating structure |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202322168850.XU CN220505696U (en) | 2023-08-14 | 2023-08-14 | Planetary gear with lubricating structure |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN220505696U true CN220505696U (en) | 2024-02-20 |
Family
ID=89869332
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202322168850.XU Active CN220505696U (en) | 2023-08-14 | 2023-08-14 | Planetary gear with lubricating structure |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN220505696U (en) |
-
2023
- 2023-08-14 CN CN202322168850.XU patent/CN220505696U/en active Active
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