Planetary gear convenient for oil dripping lubrication

By designing a planetary gear structure that is easy to drip lubricate, and using components such as a refueling cylinder, a refueling tube and a pull wire to achieve easy dripping of lubricating oil, the problem of time-consuming and laborious disassembly and lubrication in the existing technology is solved, and the lubrication efficiency is improved.

CN223459816UActive Publication Date: 2025-10-21FUJIAN TONGXING AUTOMOBILE SYNCHRONIZERS CO LTD
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Patent Information

Application Number
CN202520025608.3
Authority / Receiving Office
CN · China
Patent Type
Utility models(China)
Current Assignee / Owner
Filing Date
2025-01-07
Publication Date
2025-10-21
Estimated Expiration
2035-01-07

AI Technical Summary

Technical Problem

The existing planetary gear lubrication method requires stopping and disassembling each gear one by one, which is time-consuming and labor-intensive, and affects the efficiency of use.

Method used

A planetary gear structure that is convenient for drip lubrication is designed, including a refueling barrel, a refueling tube, a pull wire and a plug ball. Lubricating oil is added to the inner part of the outer gear ring by lifting the oil barrel upwards to achieve dripping of lubricating oil.

Benefits of technology

It realizes the convenient dripping of lubricating oil, simplifies the lubrication process and improves the use efficiency.

✦ Generated by Eureka AI based on patent content.

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Abstract

The utility model relates to the technical field of planetary gears, in particular to a planetary gear convenient for oil dripping lubrication, which comprises an outer gear ring, a star frame is mounted in the outer gear ring, a large gear is mounted in the middle of the front surface of the star frame, a small gear is mounted at the outer end of the star frame, and an output shaft is arranged on the back surface of the star frame. An oil filling barrel is arranged at the top of the outer gear ring, an oil containing barrel is arranged at the top of the oil filling barrel, an oil filling insertion pipe is arranged at the bottom of the oil containing barrel, a pull wire is arranged at the bottom end of the oil filling insertion pipe, a blocking ball is arranged at the bottom end of the pull wire, a barrel cover is arranged at the top of the oil containing barrel, and lower protruding plates are arranged on the left side and the right side of the oil filling barrel. And upper convex plates are arranged on the left side and the right side of the oil containing barrel, lubricating oil can be added into the outer gear ring in the mode that the oil containing barrel is lifted upwards through the arranged oil adding barrel, oil adding insertion pipe, pull wire and blocking ball, and therefore the mode of dropwise adding the lubricating oil can be more convenient.
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Description

TECHNICAL FIELD

[0001] The utility model relates to planetary gear technology field, concretely is a kind of planetary gear that oil lubrication is convenient. BACKGROUND

[0002] Planetary gear is the gear system that in addition to being able to rotate around its own rotation axis, its rotation axis also rotates around the axis of other gears. The rotation around its own axis is called "rotation", and the rotation around the axis of other gears is called "revolution", just like the planets in the solar system, so it is named.

[0003] At present, the wear between gears is more serious after long time use of planetary gear, in order to ensure the smooth rotation of planetary gear, it needs to be lubricated, and when lubricating the existing planetary gear, the planetary gear needs to be stopped, then the master disassembles gear one by one and drips oil lubrication, and finally reassembles, which is time-consuming and laborious, and affects the use of planetary gear.

[0004] Therefore, a planetary gear that oil lubrication is convenient is needed to improve the above problems. CONTENT OF THE UTILITY MODEL

[0005] The utility model aims at providing a kind of planetary gear that oil lubrication is convenient to solve the problems presented in the above background technology.

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

[0007] A kind of planetary gear that oil lubrication is convenient, including outer gear ring, the inside of outer gear ring is installed with star frame, the front surface middle part of star frame is installed with big gear, the outer end of star frame is installed with pinion, the back surface of star frame is provided with output shaft, the top of outer gear ring is provided with oil filling cylinder, the top of oil filling cylinder is provided with oil bucket, the bottom of oil bucket is provided with oil filling tube, the bottom end of oil filling tube is provided with pull wire, the bottom end of pull wire is provided with plug ball, the top of oil bucket is provided with bucket cover, the left and right sides of oil filling cylinder are provided with lower convex plate, the left and right sides of oil bucket are provided with upper convex plate, spring is provided between lower convex plate and upper convex plate.

[0008] As the preferred scheme of the utility model, the connection mode of pinion and star frame is rotary connection.

[0009] As the preferred scheme of the utility model, the connection mode of big gear and pinion is meshing connection.

[0010] As the preferred scheme of the utility model, the connection mode of output shaft and outer gear ring is rotary connection.

[0011] As the preferred scheme of the utility model, the barrel diameter of the upper half of the oil filling cylinder is greater than the diameter of the plug ball, and the barrel diameter of the lower half of the oil filling cylinder is smaller than the diameter of the plug ball.

[0012] As the preferred scheme of the utility model, the connecting structure of the oil filling nozzle and the oil filling cylinder is sliding plug-in connection.

[0013] As the preferred scheme of the utility model, the connecting structure of the barrel cover and the oil containing barrel is screw detachable connection.

[0014] Compared with the prior art, the utility model has the beneficial effects that:

[0015] 1、the utility model discloses a barrel cover, the oil containing barrel, the oil filling nozzle, the pull wire and the plug ball are set up, and the lubricating oil can be added to the inside of the outer gear ring by lifting the oil containing barrel upwards, so that the lubricating oil can be added in the form of drop more conveniently. BRIEF DESCRIPTION OF DRAWINGS

[0016] Figure 1 It is the overall appearance structure schematic diagram of the utility model;

[0017] Figure 2 It is the star frame, the large gear and the pinion structure schematic diagram of the utility model;

[0018] Figure 3 It is the oil filling cylinder and the oil containing barrel appearance structure schematic diagram of the utility model;

[0019] Figure 4 It is the oil containing barrel structure schematic diagram of the utility model.

[0020] In the drawing: 1, outer gear ring;2, star frame;3, large gear;4, pinion;5, output shaft;6, oil filling cylinder;7, oil containing barrel;8, oil filling nozzle;9, pull wire;10, plug ball;11, barrel cover;12, lower protruding plate;13, upper protruding plate;14, spring. DETAILED DESCRIPTION

[0021] The technical scheme in the embodiments of the utility model will be described clearly and completely in combination with the embodiments of the utility model, and obviously, the described embodiments are only part of the embodiments of the utility model, not all the embodiments, based on the embodiments in the utility model, all other embodiments obtained by the person skilled in the art without creative labor belong to the protection scope of the utility model.

[0022] The technical scheme in the embodiments of the present application will be described clearly and completely below with reference to the embodiments of the present application. Obviously, the described embodiments are only part of the embodiments of the present application, rather than all the embodiments of the present application. Based on the embodiments of the present application, all the other embodiments obtained by those skilled in the art without creative work fall within the scope of the present application.

[0023] In order to facilitate the understanding of the present application, the present application will be described more fully below with reference to the relevant drawings, and several embodiments of the present application are given. However, the present application can be realized in many different forms and is not limited to the embodiments described herein. On the contrary, the purpose of providing these embodiments is to make the disclosure of the present application more thorough and comprehensive.

[0024] It should be noted that when an element is referred to as being "fixed to" another element, it can be directly on the other element or there can be a middle element. When an element is referred to as being "connected to" another element, it can be directly connected to the other element or there can be a middle element. The terms "vertical", "horizontal", "left", "right", and similar expressions used herein are for illustrative purposes only.

[0025] Unless otherwise defined, all technical and scientific terms used herein have the same meaning as commonly understood by one of ordinary skill in the art to which the present application belongs. The terminology used in the description of the present application herein is for the purpose of describing particular embodiments only and is not intended to be limiting of the present application. As used herein, the term "and / or" includes any and all combinations of one or more of the associated listed items.

[0026] Embodiments, please refer to Figures 1-4 The present application provides a technical scheme:

[0027] A planet gear convenient for oil dripping lubrication, comprising an outer gear ring 1, a star frame 2 is installed inside the outer gear ring 1, a big gear 3 is installed at the middle of the front face of the star frame 2, a small gear 4 is installed at the outer end of the star frame 2, an output shaft 5 is arranged at the back face of the star frame 2, an oil filling cylinder 6 is arranged at the top of the outer gear ring 1, an oil containing barrel 7 is arranged at the top of the oil filling cylinder 6, an oil filling pipe 8 is arranged at the bottom of the oil containing barrel 7, a pull wire 9 is arranged at the bottom end of the oil filling pipe 8, a plug ball 10 is arranged at the bottom end of the pull wire 9, a barrel cover 11 is arranged at the top of the oil containing barrel 7, lower convex plates 12 are arranged at the left and right sides of the oil filling cylinder 6, upper convex plates 13 are arranged at the left and right sides of the oil containing barrel 7, and springs 14 are arranged between the lower convex plates 12 and the upper convex plates 13.

[0028] In the embodiment, the small gear 4 is rotatably connected with the star frame 2, the large gear 3 is meshingly connected with the small gear 4, the output shaft 5 is rotatably connected with the outer gear ring 1, the diameter of the upper half of the oil filling cylinder 6 is larger than the diameter of the plug ball 10, the diameter of the lower half of the oil filling cylinder 6 is smaller than the diameter of the plug ball 10, the oil filling pipe 8 is slidably connected with the oil filling cylinder 6, the bucket cover 11 is threadedly detachably connected with the oil containing bucket 7, and the oil filling cylinder 6, the oil filling pipe 8, the pull wire 9 and the plug ball 10 are arranged to add lubricating oil into the outer gear ring by pulling the oil containing bucket 7 upwards, so that the lubricating oil is added in a more convenient way.

[0029] The working process of the utility model is as follows: when the lubricating oil is added dropwise, the oil containing bucket 7 is pulled upwards, at this time, the oil filling pipe 8 is moved upwards in the oil filling cylinder 6, then the plug ball is pulled upwards through the pull wire 9, at this time, the plug ball does not block the oil filling cylinder 6, the lubricating oil is added dropwise into the oil filling cylinder 6 through the oil filling pipe 8, and then is added into the outer gear ring 1 through the oil filling cylinder 6, so that the lubricating oil of the planetary gear is added dropwise, after the lubricating oil is added dropwise, at this time, the spring 14 rebounds, then the oil filling pipe 8 is pulled downwards in the oil filling cylinder 6, then the plug ball 10 blocks the oil filling cylinder 6, then the oil filling pipe 8 is pressed against the plug ball 10, the oil filling cylinder 6, the oil filling pipe 8, the pull wire 9 and the plug ball 10 are arranged to add lubricating oil into the outer gear ring by pulling the oil containing bucket 7 upwards, so that the lubricating oil is added in a more convenient way.

[0030] Although the embodiments of the utility model have been shown and described, it can be understood by those skilled in the art that various changes, modifications, replacements and variations can be made to the embodiments without departing from the principles and spirits of the utility model, the scope of the utility model is defined by the appended claims and their equivalents.

Claims

1. A planetary gear facilitating oil drip lubrication comprising an outer ring gear (1), characterized in that: The outer gear ring (1) is internally mounted with a star frame (2), the middle of the front face of the star frame (2) is mounted with a large gear (3), the outer end of the star frame (2) is mounted with a pinion (4), the back face of the star frame (2) is provided with an output shaft (5), the top of the outer gear ring (1) is provided with an oil filling cylinder (6), the top of the oil filling cylinder (6) is provided with an oil containing bucket (7), the bottom of the oil containing bucket (7) is provided with an oil filling pipe (8), the bottom end of the oil filling pipe (8) is provided with a pull wire (9), the bottom end of the pull wire (9) is provided with a plug ball (10), the top of the oil containing bucket (7) is provided with a bucket cover (11), the left and right sides of the oil filling cylinder (6) are provided with lower convex plates (12), the left and right sides of the oil containing bucket (7) are provided with upper convex plates (13), springs (14) are arranged between the lower convex plates (12) and the upper convex plates (13).

2. A planetary gear for ease of oil drip lubrication as claimed in claim 1 wherein: The connecting mode of the pinion (4) and the star frame (2) is rotary connection.

3. A planetary gear for ease of oil drip lubrication as claimed in claim 1 wherein: The connecting mode of the large gear (3) and the pinion (4) is meshing connection.

4. A planetary gear for ease of oil drip lubrication as claimed in claim 1 wherein: The connecting mode of the output shaft (5) and the outer gear ring (1) is rotary connection.

5. A planetary gear for ease of oil drip lubrication as claimed in claim 1 wherein: The cylinder diameter of the upper half of the oil filling cylinder (6) is greater than the diameter of the plug ball (10), and the cylinder diameter of the lower half of the oil filling cylinder (6) is smaller than the diameter of the plug ball (10).

6. A planetary gear for ease of oil drip lubrication as defined in claim 1 wherein: The connecting structure of the oil filling pipe (8) and the oil filling cylinder (6) is sliding plug connection.

7. A planetary gear for ease of oil drip lubrication as claimed in claim 1 wherein: The connecting structure of the bucket cover (11) and the oil containing bucket (7) is screw detachable connection.