CN216009405U

CN216009405U - Novel speed reducer gear structure

Info

Publication number: CN216009405U
Application number: CN202121614115.1U
Authority: CN
Inventors: 诸国建; 殷春华; 诸金秀; 高佳晨
Original assignee: Zhejiang Sanxin Heavy Industry Transmission Co ltd
Current assignee: Zhejiang Sanxin Heavy Industry Transmission Co ltd
Priority date: 2021-07-16
Filing date: 2021-07-16
Publication date: 2022-03-11
Anticipated expiration: 2031-07-16

Abstract

The utility model relates to the technical field of gear structures, in particular to a novel speed reducer gear structure which is provided with an upper shell and a lower shell which are fixedly connected up and down, wherein a gear assembly is fixed in a cavity enclosed by the upper shell and the lower shell; the gear assembly comprises a transmission shaft, a movable gear, a first driven shaft, a first driven gear, a second driven shaft, a second driven gear, a third driven shaft, a third driven gear, a fourth driven shaft and a fourth driven gear. This novel speed reducer gear structure can realize the meshing transmission of its different gears through the slip of loose gear at the transmission shaft to realize the output of different drive ratios, can improve the application range and the availability factor of whole speed reducer.

Description

Novel speed reducer gear structure

Technical Field

The utility model relates to the technical field of gear structures, in particular to a novel speed reducer gear structure.

Background

With the continuous progress of society, the speed reducer is widely applied in various industries. The speed reducers used in the current market realize the speed reduction effect through the matching of gears, the speed reduction transmission ratio of a single speed reducer is generally fixed and invariable, and users need to select models by themselves according to respective needs, so that the actual use requirements of people can be met; the speed reducer with the structure has single function and small application range, so that the whole use efficiency is not high, and great inconvenience is brought to the actual use of people.

Disclosure of Invention

The technical problem to be solved by the utility model is as follows: in order to solve the problems existing in the background technology, a novel speed reducer gear structure is provided, meshing transmission of different gears can be realized through sliding of a movable gear on a transmission shaft, so that output of different transmission ratios is realized, the use range and the use efficiency of the whole speed reducer can be improved, and the novel speed reducer gear structure is convenient to widely popularize and use.

The technical scheme adopted by the utility model for solving the technical problems is as follows: a novel gear structure of a speed reducer is provided with an upper shell and a lower shell which are fixedly connected up and down, wherein a gear assembly is fixed in a cavity enclosed by the upper shell and the lower shell; the gear assembly comprises a transmission shaft, a movable gear, a first driven shaft, a first driven gear, a second driven shaft, a second driven gear, a third driven shaft, a third driven gear, a fourth driven shaft and a fourth driven gear; one end of the transmission shaft penetrates through the upper shell and the rear end part of the lower shell and is fixedly provided with a driving motor, and a movable gear is movably sleeved on the transmission shaft; the first driven shaft and the second driven shaft are arranged at the upper end of the transmission shaft in parallel; the third driven shaft and the fourth driven shaft are arranged at the lower end of the transmission shaft in parallel; the first driven gear is fixedly arranged on the first driven shaft; the second driven gear is fixedly arranged on a second driven shaft; the third driven gear is fixedly arranged on a third driven shaft; the fourth driven gear is fixedly arranged on a fourth driven shaft; the first driven gear, the second driven gear, the third driven gear and the fourth driven gear can be meshed with the movable gear.

Further limiting, in the above technical solution, the section of the transmission shaft is in a regular octagonal structure; the movable gear is arranged on the transmission shaft in a sliding manner; the design can ensure the sliding stability of the movable gear on the transmission shaft and also ensure the stability between the transmission shaft and the movable gear in the transmission process.

Further limiting, in the above technical scheme, a first telescopic cylinder is further horizontally arranged at a position on the inner wall of the upper shell, which is opposite to the movable gear, and a telescopic end of the first telescopic cylinder is in contact with one end face of the movable gear; the movable gear can move to one side of the driving motor through the extension of the first telescopic cylinder.

Further limiting, in the above technical scheme, a second telescopic cylinder is further horizontally arranged at a position on the inner wall of the lower shell, which is opposite to the movable gear, and a telescopic end of the second telescopic cylinder is in contact with the other end face of the movable gear; the movable gear can move towards the reverse direction of the driving motor through the extension of the second telescopic air cylinder.

Further limiting, in the above technical scheme, the first driven shaft and the second driven shaft both penetrate through the rear end of the upper housing to fix the first connection end, and the first connection end is provided with a first key slot; the fixed connection of the subsequent components can be facilitated.

Further limiting, in the above technical scheme, the third driven shaft and the fourth driven shaft both penetrate through the rear end of the lower housing to fix a second connecting end, and the second connecting end is provided with a second key slot; the fixed connection of the subsequent components can be facilitated.

The utility model has the beneficial effects that: according to the novel gear structure of the speed reducer, the meshing transmission of different gears can be realized through the sliding of the movable gear on the transmission shaft, so that the output of different transmission ratios is realized, the use range and the use efficiency of the whole speed reducer can be improved, and the novel gear structure of the speed reducer is convenient to widely popularize and use.

Drawings

In order to more clearly illustrate the embodiments or technical solutions in the prior art of the present invention, the drawings used in the description of the embodiments or prior art will be briefly described below, it is obvious that the drawings in the following description are only some embodiments described in the present application, and other drawings can be obtained by those skilled in the art without creative efforts.

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

fig. 2 is a schematic sectional view of the propeller shaft of fig. 1.

The reference numbers in the drawings are: 1. go up casing, 2, lower casing, 3, transmission shaft, 4, loose gear, 5, first driven shaft, 6, first driven gear, 7, second driven shaft, 8, second driven gear, 9, third driven shaft, 10, third driven gear, 11, fourth driven shaft, 12, fourth driven gear, 13, driving motor, 14, first telescopic cylinder, 15, the telescopic cylinder of second, 16, first link, 17, first keyway, 18, second link, 19, second keyway, 20, first baffle, 21, second baffle.

Detailed Description

In order to make the technical problems, technical solutions and advantageous effects solved by the present invention more clearly apparent, the present invention is further described in detail below with reference to the accompanying drawings and embodiments. It should be understood that the specific embodiments described herein are merely illustrative of the utility model and are not intended to limit the utility model.

In the present application, the driving motor 13, the first telescopic cylinder 14 and the second telescopic cylinder 15 are directly mounted and used after being purchased from the market according to specific models, and are controlled and used by an external controller. A first partition plate 20 is arranged between the first driven shaft 5 and the second driven shaft 7, a second partition plate 21 is arranged between the third driven shaft 9 and the fourth driven shaft 11, and the first partition plate 20 and the upper shell 1 are of an integral structure; the second partition plate 21 is of an integral structure with the lower case 2.

Fig. 1 and 2 show a novel speed reducer gear structure, which comprises an upper shell 1 and a lower shell 2 fixedly connected up and down, and a gear assembly fixed in a cavity enclosed by the upper shell 1 and the lower shell 2; the gear assembly comprises a transmission shaft 3, a movable gear 4, a first driven shaft 5, a first driven gear 6, a second driven shaft 7, a second driven gear 8, a third driven shaft 9, a third driven gear 10, a fourth driven shaft 11 and a fourth driven gear 12; one end of the transmission shaft 3 penetrates through the upper shell 1 and the lower shell 2, and the rear end part of the transmission shaft is fixed with a driving motor 13, and a movable gear 4 is movably sleeved on the transmission shaft 3; the first driven shaft 5 and the second driven shaft 7 are arranged at the upper end of the transmission shaft in parallel; the third driven shaft 9 and the fourth driven shaft 11 are both arranged at the lower end of the transmission shaft in parallel; the first driven gear 6 is fixedly arranged on the first driven shaft 5; the second driven gear 8 is fixedly arranged on the second driven shaft 7; the third driven gear 10 is fixedly arranged on the third driven shaft 9; the fourth driven gear 12 is fixedly arranged on the fourth driven shaft 11; the first driven gear 6, the second driven gear 8, the third driven gear 10 and the fourth driven gear 12 can be in meshed connection with the movable gear 4.

Wherein the section of the transmission shaft 3 is in a regular octagonal structure; the movable gear 4 is arranged on the transmission shaft 3 in a sliding way. The inner wall of the upper shell 1 is horizontally provided with a first telescopic cylinder 14 at a position opposite to the movable gear 4, and the telescopic end of the first telescopic cylinder 14 is in contact with one end face of the movable gear 4. And a second telescopic cylinder 15 is horizontally arranged on the inner wall of the lower shell 2 at a position corresponding to the movable gear 4, and the telescopic end of the second telescopic cylinder 15 is contacted with the other end face of the movable gear 4. The first driven shaft 5 and the second driven shaft 7 both penetrate through the rear end part of the upper shell 1 and are fixed with a first connecting end 16, and a first key slot 17 is formed in the first connecting end 16. The third driven shaft 9 and the fourth driven shaft 11 both penetrate through the rear end part of the lower shell 2 to fix a second connecting end 18, and a second key groove 19 is formed in the second connecting end 18.

The use principle of the novel speed reducer gear structure is as follows:

firstly, in the actual use process, an operator can control the first telescopic cylinder 14 or the second telescopic cylinder 15 to extend out through an external controller; the movable gear 4 slides to a corresponding position on the transmission shaft 3, the movable gear 4 is meshed with one of the first driven gear 6, the second driven gear 8, the third driven gear 10 or the fourth driven gear 12, the transmission shaft 3 can be driven to rotate by the corresponding driven shaft in the rotating process, and therefore the rotating output of the first connecting end 16 or the second connecting end 18 is achieved, the movable gear 4 can move on the transmission shaft 3 in a position, the movable gear 4 is meshed with different gears to be connected, the output of different transmission ratios is achieved, the output of multiple transmission ratios of the speed reducer can be achieved, the operation is simple and convenient, the whole application range and the service life can be improved, and the wide popularization and use are facilitated.

The above description is only for the preferred embodiment of the present invention, but the scope of the present invention is not limited thereto, and any person skilled in the art should be considered to be within the scope of the present invention, and the technical solutions and the utility model concepts of the present invention are equivalent to or changed within the scope of the present invention.

Claims

1. The utility model provides a novel speed reducer gear structure which characterized in that: the gear assembly is fixed in a cavity enclosed by the upper shell and the lower shell; the gear assembly comprises a transmission shaft, a movable gear, a first driven shaft, a first driven gear, a second driven shaft, a second driven gear, a third driven shaft, a third driven gear, a fourth driven shaft and a fourth driven gear; one end of the transmission shaft penetrates through the upper shell and the rear end part of the lower shell and is fixedly provided with a driving motor, and a movable gear is movably sleeved on the transmission shaft; the first driven shaft and the second driven shaft are arranged at the upper end of the transmission shaft in parallel; the third driven shaft and the fourth driven shaft are arranged at the lower end of the transmission shaft in parallel; the first driven gear is fixedly arranged on the first driven shaft; the second driven gear is fixedly arranged on a second driven shaft; the third driven gear is fixedly arranged on a third driven shaft; the fourth driven gear is fixedly arranged on a fourth driven shaft; the first driven gear, the second driven gear, the third driven gear and the fourth driven gear can be meshed with the movable gear.

2. The novel reducer gear structure according to claim 1, characterized in that: the section of the transmission shaft is of a regular octagonal structure; the movable gear is arranged on the transmission shaft in a sliding manner.

3. The novel reducer gear structure according to claim 1, characterized in that: the upper shell inner wall on the position department of relative loose gear still the level set up first telescopic cylinder, the flexible end and a loose gear terminal surface contact of first telescopic cylinder.

4. The novel reducer gear structure according to claim 3, characterized in that: and a second telescopic cylinder is horizontally arranged at the position, opposite to the movable gear, on the inner wall of the lower shell, and the telescopic end of the second telescopic cylinder is in contact with the other end face of the movable gear.

5. The novel reducer gear structure according to claim 1, characterized in that: the first driven shaft and the second driven shaft penetrate through the upper shell, the rear end part of the upper shell is fixed with a first connecting end, and the first connecting end is provided with a first key groove.

6. The novel reducer gear structure according to claim 1, characterized in that: the third driven shaft and the fourth driven shaft penetrate through the rear end part of the lower shell to fix a second connecting end, and a second key groove is formed in the second connecting end.