CN210423598U

CN210423598U - Planetary gear assembly

Info

Publication number: CN210423598U
Application number: CN201921153483.3U
Authority: CN
Inventors: 温玉贵
Original assignee: Qijiang County Qiaoxing Gear Co ltd
Current assignee: Qijiang County Qiaoxing Gear Co ltd
Priority date: 2019-07-22
Filing date: 2019-07-22
Publication date: 2020-04-28
Anticipated expiration: 2029-07-22

Abstract

The utility model provides a planetary gear assembly relates to planetary gear technical field, including the ring gear, the inner wall of ring gear is equipped with tooth structure, one side lateral wall of ring gear is equipped with the mounting disc, the installation screw has transversely been seted up to the inside of mounting disc, the inner wall threaded connection of installation screw has the pivot, the surface rotation of pivot is connected with the planet wheel, one side of mounting disc is rotated and is connected with the driving shaft, the fixed surface of driving shaft is connected with sun gear, sun gear's surface and planet wheel meshing. The utility model discloses, adopt the driving shaft to drive sun gear and rotate, utilize sun gear to drive planetary gear and rotate, planetary gear rotates in the surface of pivot, utilizes spacing to fix driving shaft and pivot, further fixes driving shaft and pivot through the mounting disc, and the oiling pore that utilizes planetary gear tooth root circle surface to set up carries out the oiling lubrication between planetary gear and the pivot to reduce wearing and tearing.

Description

Planetary gear assembly

Technical Field

The utility model relates to a planetary gear technical field especially relates to a planetary gear assembly.

Background

Planetary gears are so named that their axes of rotation are not fixed and are mounted on a rotatable carrier, and besides being able to rotate around their own axis of rotation like a fixed axis gear, they also rotate around the axes of other gears with the blue carrier, the rotation around their own axis is called rotation, and the rotation around the axes of other gears is called revolution, like planets in the solar system.

In the process of using the planetary gear set, the planetary gear is driven by the sun gear to rotate on the surface of the gear shaft of the planetary gear, and in order to reduce the increase of friction force between the planetary gear and the gear shaft, oil is required to be injected and lubricated.

SUMMERY OF THE UTILITY MODEL

The utility model aims at solving the defects existing in the prior art and providing a planetary gear assembly.

In order to achieve the above purpose, the utility model adopts the following technical scheme: the utility model provides a planetary gear assembly, includes the ring gear, the inner wall of ring gear is equipped with tooth structure, one side lateral wall of ring gear is equipped with the mounting disc, the installation screw has transversely been seted up to the inside of mounting disc, the inner wall threaded connection of installation screw has the pivot, the surface of pivot is rotated and is connected with the planet wheel, one side of mounting disc is rotated and is connected with the driving shaft, the fixed surface of driving shaft is connected with sun gear, sun gear's surface and the meshing of planet wheel, planet wheel surface and the meshing of ring gear inner wall.

Preferably, the number of the mounting screw holes is three, and the three mounting screw holes are uniformly and centrosymmetrically distributed by taking the driving shaft as a symmetry center.

Preferably, the surfaces of the three rotating shafts are fixedly connected with planet wheels, and the three planet wheels are meshed with the sun gear.

Preferably, three the position cover that the mounting disc was kept away from on pivot surface is equipped with spacing, and three line pivot all is connected with spacing rotation.

Preferably, the inside cover of spacing is equipped with the bearing, the inner circle inner wall cover of bearing is established on the surface of driving shaft.

Preferably, the planet wheel dedendum circle surface is vertically provided with an oil filler point, and the oil filler point vertically runs through the planet wheel.

Advantageous effects

The utility model discloses in, adopt the driving shaft to drive sun gear and rotate, utilize sun gear to drive planetary gear and rotate, planetary gear rotates in the surface of pivot, utilizes spacing to fix driving shaft and pivot, further fixes driving shaft and pivot through the mounting disc, and the oiling pore that utilizes planetary gear tooth root circle surface to set up carries out the oiling lubrication between planetary gear and the pivot to reduce wearing and tearing.

Drawings

Fig. 1 is an exploded perspective view of a planetary gear assembly according to the present invention;

fig. 2 is a front exploded view of a planetary gear assembly according to the present invention;

fig. 3 is the utility model provides a planet wheel structure schematic diagram of planetary gear assembly.

Illustration of the drawings:

1. a ring gear; 2. mounting a disc; 3. mounting a screw hole; 4. a drive shaft; 5. a sun gear; 6. a planet wheel; 7. a rotating shaft; 8. a limiting frame; 9. a bearing; 10. and an oil filling hole.

Detailed Description

In order to make the technical means, the creation features, the achievement purposes and the functions of the present invention easy to understand, the present invention will be further explained below with reference to the following embodiments and the accompanying drawings, but the following embodiments are only the preferred embodiments of the present invention, and not all embodiments are included. Based on the embodiments in the implementation, other embodiments obtained by those skilled in the art without any creative work belong to the protection scope of the present invention.

Specific embodiments of the present invention will be described below with reference to the accompanying drawings.

Referring to fig. 1-3, a planetary gear assembly comprises a gear ring 1, the inner wall of the gear ring 1 is provided with a tooth structure, one side wall of the gear ring 1 is provided with a mounting disc 2, the mounting disc 2 is internally and transversely provided with three mounting screw holes 3, the three mounting screw holes 3 are uniformly and centrally symmetrically distributed by taking a driving shaft 4 as a symmetrical center, the surfaces of three rotating shafts 7 are fixedly connected with planetary wheels 6, the three planetary wheels 6 are meshed with a sun gear 5, the positions of the surfaces of the three rotating shafts 7 far away from the mounting disc 2 are sleeved with a limiting frame 8, the three traveling rotating shafts 7 are rotatably connected with the limiting frame 8, the inner wall of the mounting screw holes 3 is in threaded connection with the rotating shafts 7, the surfaces of the rotating shafts 7 are rotatably connected with the planetary wheels 6, one side of the mounting disc 2 is rotatably connected with the driving shaft 4, the surface of the driving shaft 4 is fixedly, the surface of the planet wheel 6 is meshed with the inner wall of the gear ring 1.

The inside cover of spacing 8 is equipped with bearing 9, and bearing 9's inner circle wall cover is established on the surface of driving shaft 4, and oil filler point 10 has vertically been seted up on 6 root circle surfaces of planet wheel, and oil filler point 10 vertically runs through planet wheel 6.

The utility model discloses a theory of operation: adopt driving shaft 4 to drive sun gear 5 and rotate, utilize sun gear 5 to drive planetary gear and rotate, planetary gear rotates in the surface of pivot 7, utilizes spacing 8 to fix driving shaft 4 and pivot 7, further fixes driving shaft 4 and pivot 7 through mounting disc 2, and oil filler point 10 that utilizes planetary gear tooth root circle surface to set up carries out the oiling lubrication between planetary gear and the pivot 7 to reduce wearing and tearing.

In the present disclosure, unless expressly stated or limited otherwise, the first feature "on" or "under" the second feature may comprise direct contact between the first and second features, or may comprise contact between the first and second features not directly. Also, the first feature being "on," "above" and "over" the second feature includes the first feature being directly on and obliquely above the second feature, or merely indicating that the first feature is at a higher level than the second feature. A first feature being "under," "below," and "beneath" a second feature includes the first feature being directly under and obliquely below the second feature, or simply meaning that the first feature is at a lesser elevation than the second feature.

The foregoing shows and describes the general principles, essential features, and advantages of the invention. It should be understood by those skilled in the art that the present invention is not limited by the above embodiments, and the description in the above embodiments and the description is only preferred examples of the present invention, and is not intended to limit the present invention, and that the present invention can have various changes and modifications without departing from the spirit and scope of the present invention, and these changes and modifications all fall into the scope of the claimed invention. The scope of the invention is defined by the appended claims and equivalents thereof.

Claims

1. A planetary gear assembly comprising a ring gear (1), characterized in that: the inner wall of ring gear (1) is equipped with tooth structure, one side lateral wall of ring gear (1) is equipped with mounting disc (2), installation screw (3) have transversely been seted up to the inside of mounting disc (2), the inner wall threaded connection of installation screw (3) has pivot (7), the surface rotation of pivot (7) is connected with planet wheel (6), one side of mounting disc (2) is rotated and is connected with driving shaft (4), the fixed surface of driving shaft (4) is connected with sun gear (5), the surface and the meshing of planet wheel (6) of sun gear (5), planet wheel (6) surface and ring gear (1) inner wall meshing.

2. The planetary gear assembly of claim 1 wherein: the three mounting screw holes (3) are uniformly and centrally symmetrically distributed by taking the driving shaft (4) as a symmetric center.

3. The planetary gear assembly of claim 1 wherein: the surface of the three rotating shafts (7) is fixedly connected with planet wheels (6), and the three planet wheels (6) are meshed with the sun gear (5).

4. The planetary gear assembly of claim 1 wherein: three the position cover that installation dish (2) was kept away from on pivot (7) surface is equipped with spacing (8), and three line pivot (7) all rotate with spacing (8) and be connected.

5. The planetary gear assembly of claim 4 wherein: the bearing (9) is sleeved in the limiting frame (8), and the inner wall of the inner ring of the bearing (9) is sleeved on the surface of the driving shaft (4).

6. The planetary gear assembly of claim 1 wherein: oil filler point (10) have vertically been seted up on planet wheel (6) root of tooth circle surface, and oil filler point (10) are vertical to run through planet wheel (6).