Planetary gear for planetary reducer

By introducing lubricating mechanisms for oil passages and sponge blocks into the planetary gears, as well as limiting mechanisms for springs and limiting blocks, the problems of dryness and disassembly of traditional planetary gears are solved, and the lubrication effect and disassembly efficiency are improved, and the lubrication effect and disassembly efficiency are extended. service life.

CN222254956UActive Publication Date: 2024-12-27FUJIAN FANSHENG MACHINERY
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Patent Information

Application Number
CN202420628887.8
Authority / Receiving Office
CN · China
Patent Type
Utility models(China)
Current Assignee / Owner
Filing Date
2024-03-29
Publication Date
2024-12-27
Estimated Expiration
2034-03-29

AI Technical Summary

Technical Problem

Traditional planetary gears are prone to oil deficiency and dryness during long-term use, resulting in reduced wear resistance, requiring regular disassembly and oil injection, wasting human resources, and cannot be disassembled quickly during maintenance.

Method used

A planetary gear for a planetary reducer is designed, using a lubricating mechanism of oil passage and sponge block to transport lubricating oil through the oil passage to wet the sponge block, and the sponge block will re-wet the gear, combining the limit of the spring and limit block The positioning mechanism realizes the fixing and disassembly of the transmission rod.

Benefits of technology

It avoids the problem of regular disassembly and oil injection of traditional planetary gears, improves lubrication effect and disassembly efficiency, reduces human resource waste, and extends service life.

✦ Generated by Eureka AI based on patent content.

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Abstract

The utility model discloses a planetary gear for a planetary speed reducer, which belongs to the technical field of speed reducers and comprises a base body, a transmission rod is slidably connected inside the base body, a limit mechanism is arranged at the joint of the base body and the transmission rod, a plurality of tooth bases are fixedly connected outside the base body, and the tooth bases are fixedly connected with the transmission rod. The tooth bases are evenly distributed on the surface of the base body, tooth grooves are formed among the tooth bases, the lubricating mechanism is arranged in the tooth grooves and comprises an oil passing channel, the oil passing channel is formed in the base body, and a sponge block is arranged on the surface of the oil passing channel. Lubricating oil is conveyed into the sponge block through the oil passing channel to soak the sponge block, then the sponge block is rolled by the gear to enable the lubricating oil in the sponge block to wet a tooth groove, the problem that when an existing traditional planetary gear is used for a long time, the gear needs to be detached and injected with oil regularly, and manpower resources are wasted is solved, and practicability is improved.
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Description

Technical Field

[0001] The utility model relates to the technical field of reducers, in particular to a planetary gear used in a planetary reducer. Background Art

[0002] Planetary gears refer to gear systems that, in addition to being able to rotate around their own rotation axes like fixed-axis gears, their rotation axes also rotate around the axes of other gears along with the planet carrier.

[0003] At present, when traditional planetary gears are used for a long time, different gears are meshed through tooth grooves. The long-term meshing between the tooth grooves is prone to lack of oil and dryness, which reduces the wear resistance of the gears. Therefore, the gears need to be disassembled and oiled regularly, resulting in a waste of human resources. Utility Model Content

[0004] In view of the deficiencies of the prior art, the utility model provides a planetary gear for a planetary reducer, which overcomes the deficiencies of the prior art and aims to solve the problems in the background technology.

[0005] To achieve the above-mentioned purpose, the utility model provides the following technical solutions: a planetary gear for a planetary reducer, comprising a base, a transmission rod is slidably connected to the inside of the base, a limiting mechanism is provided at the connection between the base and the transmission rod, a plurality of tooth bases are fixedly connected to the outside of the base, the plurality of tooth bases are evenly distributed on the surface of the base, tooth grooves are provided between the plurality of tooth bases, a lubrication mechanism is provided inside the tooth grooves, the lubrication mechanism comprises an oil passage, the oil passage is opened inside the base, a sponge block is provided on the surface of the oil passage, the sponge block passes through the base, and the sponge block is located inside the tooth grooves.

[0006] As a preferred technical solution of the utility model, the limiting mechanism includes a spring, the spring is fixedly connected to the transmission rod, one side of the spring is fixedly connected to a limiting block, and the limiting block is slidably connected to the transmission rod.

[0007] By adopting the above technical solution, the base and the transmission rod can be better connected by inserting the transmission rod into the interior of the base, supporting the limit block with the spring, and fixing the transmission rod with the limit block.

[0008] As a preferred technical solution of the present utility model, a receiving groove is provided inside the transmission rod.

[0009] By adopting the above technical solution, a receiving groove is opened inside the transmission rod, and the spring and the limit block are received by the receiving groove, so that the spring and the limit block can be better received.

[0010] As a preferred technical solution of the utility model, a limiting groove is provided on the surface of the base.

[0011] By adopting the above technical solution, the limiting groove is provided on the surface of the base body, and the limiting block is limited by the limiting groove, so that the limiting block can be limited better.

[0012] As a preferred technical solution of the utility model, an oil inlet hole is provided on the surface of the base.

[0013] By adopting the above technical solution, an oil inlet hole is provided on the surface of the base body, and the lubricating oil is transported to the inside of the oil passage through the oil inlet hole, so that the lubricating oil can be better transported to the inside of the oil passage.

[0014] As a preferred technical solution of the utility model, a sealing cover is provided inside the oil inlet hole, and the sealing cover is adapted to the oil inlet hole.

[0015] By adopting the above technical solution, a sealing cover is provided inside the oil inlet hole, and the sealing cover is adapted to the oil inlet hole. The sealing cover prevents external impurities from entering the interior of the oil passage, which can better prevent external impurities from entering the interior of the oil passage.

[0016] As a preferred technical solution of the utility model, a sealing gasket is provided at the connection between the base body and the sponge block.

[0017] By adopting the above technical solution, a sealing gasket is provided at the connection between the base body and the sponge block, so that the connection between the base body and the sponge block can be better sealed.

[0018] Beneficial effects of the utility model:

[0019] The planetary gear for a planetary reducer is provided with an oil passage and a sponge block, and lubricating oil is transported to the inside of the sponge block through the oil passage to soak the sponge block, and then the sponge block is rolled by the gear to make the lubricating oil inside the sponge block wet the tooth grooves, thereby avoiding the problem of waste of human resources caused by the need for regular disassembly and oiling of the gears of the current traditional planetary gears when they are used for a long time, and improving practicality.

[0020] The planetary gear for a planetary reducer is provided with a spring and a limit block, a transmission rod is inserted into the interior of a base, the limit block is supported by the spring, and the transmission rod is fixed by the limit block, thereby avoiding the problem of the current traditional planetary gear that the planetary gear cannot be quickly disassembled during maintenance, thereby improving practicality. BRIEF DESCRIPTION OF THE DRAWINGS

[0021] Figure 1 It is a front structural schematic diagram of the utility model;

[0022] Figure 2 It is a top view of the structure of the base of the utility model;

[0023] Figure 3 It is a structural schematic diagram of the limiting mechanism of the utility model;

[0024] Figure 4 It is a structural sectional view of the base of the utility model.

[0025] In the figure: 1. base; 2. transmission rod; 3. lubrication mechanism; 31. oil passage; 32. sponge block; 4. limiting mechanism; 41. spring; 42. limiting block; 5. receiving groove; 6. limiting groove; 7. tooth groove; 8. sealing cover; 9. oil inlet hole; 10. tooth base. DETAILED DESCRIPTION

[0026] The following will be combined with the drawings in the embodiments of the utility model to clearly and completely describe the technical solutions in the embodiments of the utility model. Obviously, the described embodiments are only part of the embodiments of the utility model, not all of the embodiments. Based on the embodiments in the utility model, all other embodiments obtained by ordinary technicians in this field without creative work are within the scope of protection of the utility model.

[0027] Embodiment 1

[0028] See also Figure 1-Figure 3 A planetary gear for a planetary reducer includes a base 1, a transmission rod 2 is slidably connected inside the base 1, a limiting mechanism 4 is provided at the connection between the base 1 and the transmission rod 2, the limiting mechanism 4 includes a spring 41, the spring 41 is fixedly connected to the transmission rod 2, one side of the spring 41 is fixedly connected to a limiting block 42, and the limiting block 42 is slidably connected to the transmission rod 2; by inserting the transmission rod 2 into the base 1, supporting the limiting block 42 by the spring 41, and fixing the transmission rod 2 by the limiting block 42, the base 1 and the transmission rod 2 can be better connected.

[0029] See also Figure 3 The transmission rod 2 has an accommodating groove 5 opened inside; the transmission rod 2 has an accommodating groove 5 opened inside, and the accommodating groove 5 accommodates the spring 41 and the limit block 42, which can better accommodate the spring 41 and the limit block 42.

[0030] See also Figure 2-Figure 4 A plurality of tooth bases 10 are fixedly connected to the outside of the base 1, and the plurality of tooth bases 10 are evenly distributed on the surface of the base 1. Tooth grooves 7 are provided between the plurality of tooth bases 10, and a lubrication mechanism 3 is provided inside the tooth grooves 7. The lubrication mechanism 3 includes an oil passage 31, and the oil passage 31 is opened inside the base 1. A sponge block 32 is provided on the surface of the oil passage 31, and the sponge block 32 penetrates the base 1, and the sponge block 32 is located inside the tooth grooves 7.

[0031] See also Figure 1-Figure 2 , a limiting groove 6 is provided on the surface of the substrate 1; by providing a limiting groove 6 on the surface of the substrate 1, and then limiting the limiting block 42 by the limiting groove 6, the limiting block 42 can be better limited.

[0032] See also Figure 1-Figure 3 An oil inlet hole 9 is provided on the surface of the base 1; the oil inlet hole 9 is provided on the surface of the base 1, and the lubricating oil is transported to the inside of the oil passage 31 through the oil inlet hole 9, which can better transport the lubricating oil to the inside of the oil passage 31.

[0033] See also Figure 1-Figure 2 A sealing cover 8 is provided inside the oil inlet hole 9, and the sealing cover 8 is adapted to the oil inlet hole 9; a sealing cover 8 is provided inside the oil inlet hole 9, and the sealing cover 8 is adapted to the oil inlet hole 9, and the sealing cover 8 prevents external impurities from entering the interior of the oil passage 31, which can better prevent external impurities from entering the interior of the oil passage 31.

[0034] See also Figure 4 A sealing gasket is provided at the connection between the base body 1 and the sponge block 32; by providing a sealing gasket at the connection between the base body 1 and the sponge block 32, the connection between the base body 1 and the sponge block 32 can be better sealed.

[0035] Working principle: open the sealing cover 8, and the oil inlet hole 9 is provided on the surface of the base 1. The lubricating oil is then transported to the inside of the oil passage 31 through the oil inlet hole 9, and the lubricating oil is then transported to the inside of the sponge block 32 through the oil passage 31 to soak the sponge block 32. The sponge block 32 is then rolled by the gear to make the lubricating oil inside the sponge block 32 wet the tooth groove 7, and then the transmission rod 2 is inserted into the inside of the base 1, and then the limit block 42 is supported by the spring 41, and then the transmission rod 2 is fixed by the limit block 42, and then a limit groove 6 is provided on the surface of the base 1, and then the limit groove 6 limits the limit block 42, and then the limit block 42 is pressed to make the limit block 42 enter the inside of the accommodating groove 5 to disassemble the transmission rod 2.

[0036] The above description is only a preferred embodiment of the utility model and is not intended to limit the utility model. Although the utility model is described in detail with reference to the above embodiments, those skilled in the art can still modify the technical solutions recorded in the above embodiments or replace some of the technical features therein by equivalents. Any modification, equivalent replacement, improvement, etc. made within the spirit and principle of the utility model shall be included in the protection scope of the utility model.

Claims

1. A planetary gear for a planetary reducer, comprising a base (1), characterized in that: The base (1) is slidably connected to a transmission rod (2), a limiting mechanism (4) is provided at the connection between the base (1) and the transmission rod (2), a plurality of tooth bases (10) are fixedly connected to the outside of the base (1), the plurality of tooth bases (10) are evenly distributed on the surface of the base (1), tooth grooves (7) are provided between the plurality of tooth bases (10), a lubrication mechanism (3) is provided inside the tooth grooves (7), the lubrication mechanism (3) comprises an oil passage (31), the oil passage (31) is opened inside the base (1), a sponge block (32) is provided on the surface of the oil passage (31), the sponge block (32) passes through the base (1), and the sponge block (32) is located inside the tooth grooves (7).

2. A planetary gear for a planetary reducer according to claim 1, characterized in that: The limiting mechanism (4) comprises a spring (41), the spring (41) is fixedly connected to the transmission rod (2), one side of the spring (41) is fixedly connected to a limiting block (42), and the limiting block (42) is slidably connected to the transmission rod (2).

3. The planetary gear for a planetary reducer according to claim 1, characterized in that: The transmission rod (2) is provided with a receiving groove (5) inside.

4. The planetary gear for a planetary reducer according to claim 1, characterized in that: A limiting groove (6) is provided on the surface of the base body (1).

5. The planetary gear for a planetary reducer according to claim 1, characterized in that: An oil inlet hole (9) is provided on the surface of the base body (1).

6. A planetary gear for a planetary reducer according to claim 5, characterized in that: A sealing cover (8) is provided inside the oil inlet hole (9), and the sealing cover (8) is adapted to the oil inlet hole (9).

7. The planetary gear for a planetary reducer according to claim 1, characterized in that: A seal is provided at the connection between the base body (1) and the sponge block (32).