Internal structure of motor planetary gear

Abstract

The utility model relates to the technical field of planetary gears, in particular to a motor planetary gear internal structure which is composed of a first connecting end, a sun gear, planetary gears, bearings, positioning pins, a second connecting end and a gear ring, the sun gear is fixedly installed on the first connecting end, the outer wall of the sun gear is connected with the planetary gears in a meshed mode, the planetary gears are arranged into four sets, and the bearings are arranged on the planetary gears. A sun gear is fixedly installed on the first connecting end, the outer wall of the sun gear is connected with the planet gears in a meshed mode, the number of the planet gears is four, a bearing is fixedly installed in the middle of the bearing, a positioning pin is fixedly installed in the middle of the bearing, the top of the positioning pin is fixedly provided with a second connecting end, and the outer walls of the multiple sets of planet gears are connected with a gear ring in a meshed mode. Bearings are fixedly installed in the middles of the planet gears, positioning pins are fixedly installed in the middles of the bearings, and second connecting ends are fixedly installed at the tops of the positioning pins. The structure can protect the service life of the gear, disperse the bearing capacity of the gear, effectively amplify the load capacity of the gear and reduce noise.

Description

TECHNICAL FIELD

[0001] The utility model relates to planetary gear technology field, concretely is a motor planetary gear internal structure. BACKGROUND

[0002] Planetary gear is the gear system that in addition to can like fixed axle gear revolves around own rotation axis rotation, its rotation axis also revolves with planetary carrier around other gear axis rotation. Revolve around own axis rotation is called "rotation", revolves with other gear axis rotation is called "revolution", just like the planet in solar system, therefore get the name.

[0003] The existing motor planetary gear service life is short, and has poor bearing capacity, low load capacity and loud noise.

[0004] Therefore, we invent a motor planetary gear internal structure. SUMMARY

[0005] The utility model discloses a motor planetary gear internal structure to solve the problem in the background art.

[0006] To achieve the above object, the utility model provides the following technical scheme:

[0007] A motor planetary gear internal structure is composed of a connecting end one, a sun gear, a planet wheel, a bearing, a positioning pin, a connecting end two and a gear ring, the connecting end one is fixedly installed with the sun gear, the sun gear outer wall is connected with the planet wheel, the planet wheel is provided with four groups, the planet wheel is fixedly installed with the bearing in the middle, the bearing is fixedly installed with the positioning pin in the middle, the connecting end two is fixedly installed on the top of the positioning pin, and the gear ring is connected with the outer wall of the planet wheel.

[0008] In a preferred embodiment of the utility model, the connecting end one is provided with a port connected with the shaft one in the middle.

[0009] In a preferred embodiment of the utility model, the connecting end two is provided with a port connected with the shaft two in the middle.

[0010] In a preferred embodiment of the utility model, the gear ring inner wall is provided with a tooth, and the tooth is connected with the outer wall of the planet wheel, and the planet wheels are not contacted with each other.

[0011] The additional aspects and advantages of the utility model will be partly given in the following description, partly will become obvious from the following description, or be understood through the practice of the utility model.

[0012] The first connecting end is fixedly installed with a sun gear, the sun gear is in meshing connection with a planet gear, the planet gear is provided in four groups, the planet gear is fixedly installed with a bearing in the middle, the bearing is fixedly installed with a positioning pin in the middle, and the positioning pin is fixedly installed with a second connecting end on the top. BRIEF DESCRIPTION OF DRAWINGS

[0013] The above and / or additional aspects and advantages of the present application will become apparent and more readily appreciated from the following description of the embodiments, taken in conjunction with the accompanying drawings in which:

[0014] Figure 1 It is a kind of motor planetary gear internal structure in three-dimensional Figure 1 ;

[0015] Figure 2 It is a kind of motor planetary gear internal structure in three-dimensional Figure 2 ;

[0016] Figure 3 It is a kind of motor planetary gear internal structure in the schematic diagram of sun gear structure;

[0017] Figure 4 It is a kind of motor planetary gear internal structure in reference diagram;

[0018] Figure 5 It is a kind of motor planetary gear internal structure in sectional view.

[0019] In the drawing: connecting end one 100, sun gear 200, planet gear 300, bearing 400, positioning pin 500, second connecting end 600, gear ring 700. DETAILED DESCRIPTION

[0020] The embodiments of the present application will be described in detail below, and examples of the embodiments are shown in the drawings, wherein the same or similar reference numerals represent the same or similar elements or elements having the same or similar functions throughout. The embodiments described below by referring to the drawings are exemplary, only for explaining the present application, and cannot be understood as limiting the present application.

[0021] Please refer to Figures 1-5The utility model discloses a connecting end one 100, sun gear 200, planetary gear 300, bearing 400, positioning pin 500, connecting end two 600 and gear ring 700 are formed, connecting end one 100 is fixedly installed with sun gear 200 on, and the outer wall of sun gear 200 is engaged with planetary gear 300, and planetary gear 300 is arranged as four groups, and bearing 400 is fixedly installed in the middle of planetary gear 300, and positioning pin 500 is fixedly installed in the middle of bearing 400, and connecting end two 600 is fixedly installed at the top of positioning pin 500, and the outer wall of multiple planetary gear 300 is engaged with gear ring 700, and sun gear 200 is rotated by rotating connecting end one 100, and multiple planetary gear 300 is rotated by sun gear 200, and planetary gear 300 rotates in the inner wall of gear ring 700 and simultaneously drives connecting end two 600 to rotate.

[0022] The connecting end one 100 is provided with a port connected with the shaft one in the middle.

[0023] The connecting end two 600 is provided with a port connected with the shaft two in the middle.

[0024] The inner wall of gear ring 700 is provided with a tooth, and the tooth is engaged with the outer wall of multiple planetary gear 300, and multiple planetary gear 300 does not contact each other.

[0025] The working principle of the utility model is: sun gear 200 is fixed on the outer wall of connecting end one 100, positioning pin 500 is fixed on connecting end two 600, bearing 400 is fixed on positioning pin 500, planetary gear 300 is fixed on bearing 400, multiple planetary gear 300 is engaged with sun gear 200, and the outer wall of multiple planetary gear 300 is engaged with gear ring 700; sun gear 200 is rotated by rotating connecting end one 100, and multiple planetary gear 300 is rotated by sun gear 200, and planetary gear 300 rotates in the inner wall of gear ring 700 and simultaneously drives connecting end two 600 to rotate.

[0026] Although the embodiments of the utility model have been shown and described, those skilled in the art can understand that: can carry out multiple changes, modification, replacement and variation to these embodiments without departing from the principles and purposes of the utility model, and the scope of the utility model is defined by the claims and its equivalents.

Claims

1. An internal structure of a planetary gear for an electric motor, characterized in that: It consists of a connecting end one (100), a sun gear (200), planet gears (300), a bearing (400), a locating pin (500), a connecting end two (600), and a gear ring (700). The sun gear (200) is fixedly installed on the connecting end one (100). The outer wall of the sun gear (200) is meshed with the planet gears (300). The planet gears (300) are arranged in four groups. The bearing (400) is fixedly installed in the middle of the planet gears (300). The locating pin (500) is fixedly installed in the middle of the bearing (400). The connecting end two (600) is fixedly installed on the top of the locating pin (500). The outer walls of the multiple groups of planet gears (300) are meshed with the gear ring (700).

2. The internal structure of a planetary gear for an electric motor according to claim 1, characterized in that, The connecting end (100) has a port in the middle that is connected to the shaft.

3. The internal structure of a planetary gear for an electric motor according to claim 1, characterized in that, The second connecting end (600) has a port in the middle that is connected to the second shaft.

4. The internal structure of a planetary gear for an electric motor according to claim 1, characterized in that, The inner wall of the toothed ring (700) is provided with teeth, and the teeth are meshed with the outer walls of multiple sets of planetary gears (300), while the multiple sets of planetary gears (300) do not contact each other.

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