CN217842538U

CN217842538U - Novel planetary reducer

Info

Publication number: CN217842538U
Application number: CN202221855973.XU
Authority: CN
Inventors: 姜海清; 杜辉
Original assignee: Shandong Taiwokun Intelligent Equipment Co ltd
Current assignee: Shandong Taiwokun Intelligent Equipment Co ltd
Priority date: 2022-07-07
Filing date: 2022-07-07
Publication date: 2022-11-18
Anticipated expiration: 2032-07-07

Abstract

The utility model relates to a speed reducer technical field specifically is a novel planetary reducer, but have three planetary gear's sun gear and inside wall joint concave type gear and convex type gear's snap ring including the surface toothing, convex type gear's inside wall can with the surface toothing of planetary gear one end, the preceding baffle that is used for the encapsulation location can be cup jointed on the surface at sun gear middle part. This novel planetary reducer, cooperation setting between through sun gear and planetary gear, install between concave type gear and protruding type gear, and utilize the snap ring to carry on spacingly, constitute one-level speed reduction structure, realize that this speed reducer is small, the precision is high, light in weight's advantage, cooperation setting through concave type gear and protruding type gear, difference through the different number of teeth of sun gear and concave type gear and protruding type gear, realize different speed ratio output, the quantity of the ring gear tooth of two gears that utilize concave type gear and protruding type gear is different, produce different speed differences, realize different speed ratio outputs.

Description

Novel planetary reducer

Technical Field

The utility model relates to a speed reducer technical field specifically is a novel planetary reducer.

Background

Planetary reducer is a traditional speed reducer structure, can reduce motor speed, increase output torque, general planetary reducer's reduction ratio is all smaller, reduction ratio of each level is mostly within 10, will realize big reduction ratio, it superposes to need multistage planet to slow down, thereby increase with higher speed than, planetary reducer has light in weight, bearing capacity is high, long service life, steady operation, the noise is low, output torque is big, the velocity ratio is big, high efficiency, the characteristics of safe performance, have power reposition of redundant personnel concurrently, the exclusive characteristic of multiple tooth meshing, be a speed reducer that has extensive commonality.

Chinese patent publication No. CN210686919U discloses a hard tooth face planetary reducer belongs to the relevant technical field of speed reducer, including the mounting bracket, the inside spiro union of mounting bracket has the mount, and the surface spiro union of mount has interior shock mount, and the inner wall welding of protection frame has the lag, and the inside of transmission shaft is equipped with the rotation groove, and the transmission shaft rotates the inside of lag including connecting, and the inside of protection frame is equipped with the chip removal hole, and beneficial effect is: at the in-process that uses planetary reducer, effectively protect the transmission shaft through the protection frame, avoid the transmission shaft to take place to damage because of external force factor, the protective sheath rotates on the surface of transmission shaft simultaneously, prevent through the lag that the pollutant from getting into planetary reducer built-in, guarantee planetary reducer's service quality, interior protective sheath sets up the inner at the lag, further prevents dust protection, guarantees that the transmission shaft normally rotates, and then has guaranteed planetary reducer's service quality and life-span, is fit for promoting.

The gap of the traditional planetary reducer of the existing speed reducer is increased after 2-3-level superposition, the precision is reduced, the traditional planetary reducer cannot be used on equipment requiring high precision, the single-stage speed ratio of the traditional planetary reducer is small and generally within 10, if dozens of speed ratios are reached, multi-level superposition must be carried out, the size is enlarged, the cost is increased, the weight is increased, the installation is inconvenient, the kinetic energy loss is enlarged after multi-level deceleration superposition, and the efficiency is reduced.

SUMMERY OF THE UTILITY MODEL

Technical problem to be solved

The not enough to prior art, the utility model provides a novel planetary reducer has solved the problem of proposing among the above-mentioned background art.

(II) technical scheme

In order to achieve the above purpose, the utility model discloses a following technical scheme realizes: the utility model provides a novel planetary reducer, but includes that surface engagement has three planetary gear's sun gear and inside wall joint concave type gear and convex type gear's snap ring, convex type gear's inside wall can mesh with the surface of planetary gear one end, the surface at sun gear middle part can cup joint the preceding baffle that is used for the encapsulation location, sun gear's back mountable backplate.

Optionally, the inner side walls of the concave gear and the convex gear are provided with different numbers of teeth, and the inner walls of the concave gear and the convex gear can be meshed with the planet gear.

Optionally, the middle part of the convex gear is provided with an installation groove for installing the planet gear and the sun gear.

Optionally, a clamping groove for installation is formed in the middle of the sun gear, so that the sun gear can be installed and positioned.

Optionally, circular grooves matched with the size of the sun gear are formed in the middle of the front baffle and the middle of the rear baffle.

Optionally, the surfaces of the front baffle and the rear baffle are provided with through grooves which can penetrate through the middle of the planetary gear, and the opposite surfaces of the front baffle and the rear baffle can be tightly attached.

(III) advantageous effects

The utility model provides a novel planetary reducer possesses following beneficial effect:

1. this neotype planetary reducer sets up through the cooperation between sun gear and the planetary gear, installs between concave type gear and the convex type gear to utilize the snap ring to carry on spacingly, constitute one-level speed reduction structure, realize that this speed reducer is small, the precision is high, light in weight's advantage.

2. This neotype planetary reducer sets up through the cooperation of concave type gear and convex type gear, through the difference of the different tooth numbers of sun gear and concave type gear and convex type gear, realizes different speed ratio outputs to the quantity of the ring gear tooth of two gears that utilize concave type gear and convex type gear is different, produces different speed difference, realizes different speed ratio outputs.

Drawings

FIG. 1 is a schematic structural view of the present invention;

FIG. 2 is a schematic view of the explosion structure at the concave gear of the present invention;

FIG. 3 is a schematic view of the explosion structure at the front baffle of the present invention;

fig. 4 is an enlarged schematic structural view of a point a in fig. 1 according to the present invention.

In the figure: 1. a planetary gear; 2. a sun gear; 3. a concave gear; 4. a male gear; 5. a snap ring; 6. a front baffle; 7. a tailgate; 8. mounting grooves; 9. a card slot; 10. a circular groove; 11. through the slot.

Detailed Description

The technical solution in the embodiments of the present invention will be clearly and completely described below with reference to the accompanying drawings in the embodiments of the present invention. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative work belong to the protection scope of the present invention.

Referring to fig. 1 to 4, the present invention provides a technical solution: a novel planetary reducer comprises a sun gear 2 with three planetary gears 1 meshed on the surface and a snap ring 5 with the inner side wall capable of being clamped with a concave gear 3 and a convex gear 4, and output of different speed ratios is realized through the difference of different tooth numbers between the sun gear 2 and the concave gear 3 as well as between the sun gear 2 and the convex gear 4;

a clamping groove 9 for installation is formed in the middle of the sun gear 2, so that the sun gear 2 can be installed and positioned, different tooth numbers are arranged on the inner side walls of the concave gear 3 and the convex gear 4, the inner walls of the concave gear 3 and the convex gear 4 can be meshed with the planet gear 1, different speed differences can be generated through the arrangement of the concave gear 3 and the convex gear 4 with different tooth numbers, and output of different speed ratios is realized;

mountable planetary gear 1 and sun gear 2's mounting groove 8 has been seted up at convex type gear 4's middle part, convex type gear 4's inside wall can with the surface toothing of planetary gear 1 one end, the surface at sun gear 2 middle part can be cup jointed and be used for encapsulating the preceding baffle 6 of location, sun gear 2's back mountable backplate 7, preceding baffle 6 all offers the circular slot 10 with sun gear 2's size looks adaptation with backplate 7's middle part, preceding baffle 6 all offers the groove 11 that runs through that can run through with planetary gear 1's middle part with backplate 7's surface, preceding baffle 6 can closely laminate with backplate 7's opposite face.

The utility model discloses in, the device's working procedure as follows:

1. firstly, three planet gears 1 are annularly arranged around the center of the position of a sun gear 2 and are arranged between a concave gear 3 and a convex gear 4, and the sun gear 2 can drive the three planet gears 1 to rotate after rotating and indirectly drive two gear rings to rotate;

2. secondly, the concave gear 3 and the convex gear 4 are limited by the snap ring 5, and the concave gear 3 and the convex gear 4 can rotate in the snap ring 5;

3. then, the bolt can penetrate through the penetrating groove 11 on the front baffle 6, the planet gear 1 and the rear baffle 7 for limiting at one time, so that the planet gear 1 is prevented from shifting.

Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that changes, modifications, substitutions and alterations can be made in these embodiments without departing from the principles and spirit of the invention, the scope of which is defined in the appended claims and their equivalents.

Claims

1. The utility model provides a novel planetary reducer, but snap ring (5) of sun gear (2) and inside wall joint concave type gear (3) and convex type gear (4) that surface meshing has three planetary gear (1), its characterized in that: the inner side wall of the convex gear (4) can be meshed with the surface of one end of the planet gear (1), the surface of the middle part of the sun gear (2) can be sleeved with a front baffle (6) for packaging and positioning, and the back of the sun gear (2) can be provided with a rear baffle (7).

2. A novel planetary reducer according to claim 1, characterized in that: the inner side walls of the concave gear (3) and the convex gear (4) are provided with different tooth numbers, and the inner walls of the concave gear (3) and the convex gear (4) can be meshed with the planetary gear (1).

3. The novel planetary reducer according to claim 1, wherein: the middle part of the convex gear (4) is provided with a mounting groove (8) which can be provided with the planet gear (1) and the sun gear (2).

4. The novel planetary reducer according to claim 1, wherein: a clamping groove (9) for installation is formed in the middle of the sun gear (2), so that the sun gear (2) can be installed and positioned.

5. The novel planetary reducer according to claim 1, wherein: circular grooves (10) matched with the size of the sun gear (2) are formed in the middle of the front baffle (6) and the middle of the rear baffle (7).

6. The novel planetary reducer according to claim 1, wherein: the surface of the front baffle (6) and the surface of the rear baffle (7) are both provided with a through groove (11) which can be penetrated through with the middle part of the planetary gear (1), and the opposite surfaces of the front baffle (6) and the rear baffle (7) can be tightly attached.