CN219221216U

CN219221216U - Reducing mechanism with adjusting gear transmission tightness

Info

Publication number: CN219221216U
Application number: CN202320239396.XU
Authority: CN
Inventors: 周梁; 张伟; 周志平
Original assignee: Yangzhou Taifu Zhizao Transmission Equipment Co ltd
Current assignee: Yangzhou Taifu Zhizao Transmission Equipment Co ltd
Priority date: 2023-02-17
Filing date: 2023-02-17
Publication date: 2023-06-20
Anticipated expiration: 2033-02-17

Abstract

The utility model discloses a speed reducing mechanism with gear transmission tightness adjustment function, which comprises a mounting seat, wherein an input shaft is rotatably arranged on one side of the inside of the mounting seat, a small chain wheel is arranged at the bottom of the input shaft, a sliding groove is formed in the middle position of the top of the mounting seat, a sliding block is arranged in the sliding groove, an output shaft is arranged at the top of the sliding block, a connecting plate, a second driven gear and a first driven gear are sequentially arranged on the outer side of the output shaft, and a moving groove is formed in one side, far away from the input shaft, of the inside of the mounting seat. The device can move the sliding plate in the through groove by rotating the threaded rod, can drive the large chain wheel to move, so that the distance between the large chain wheel and the small chain wheel is lengthened, the device can straighten and tighten at the moment, can adjust the tightness, improves the transmission efficiency, and meanwhile, the output shaft can move along with the driving shaft to keep the meshed state.

Description

Reducing mechanism with adjusting gear transmission tightness

Technical Field

The utility model relates to the technical field of speed reducing mechanisms, in particular to a speed reducing mechanism with a gear transmission tightness adjusting function.

Background

The speed reducer has the functions of matching the rotating speed and transmitting the torque between the prime motor and the working machine or the actuating mechanism, is widely applied to modern machinery, can be divided into a general speed reducer and a special speed reducer according to the application, and has different design, manufacturing and using characteristics, and the speed reducer is an independent closed transmission device between the prime motor and the working machine and is used for reducing the rotating speed and increasing the torque so as to meet the working requirement.

However, the speed reducing mechanism has the following defects when in use:

1. the speed reducing mechanism finds out long-time high-load operation and rotation, and at the moment, great tension is generated on the driven chain, so that the chain is loosened to a certain extent, and the two groups of gears are driven to a certain extent.

2. Meanwhile, when the speed reducing mechanism is used for reducing the speed, the speed of the speed reduction cannot be adjusted, a certain speed is often input, the output speed is fixed, and the output speed cannot be adjusted.

Disclosure of Invention

The utility model aims to provide a speed reducing mechanism with a function of adjusting the transmission tightness of a gear, so as to solve the problems in the prior art.

In order to achieve the above purpose, the present utility model provides the following technical solutions: the utility model provides a reducing mechanism with adjust gear drive elasticity, includes the mount pad, one side rotation of mount pad inside is provided with the input shaft, the bottom of input shaft is provided with little sprocket, the intermediate position department at mount pad top has seted up the spout, the inside of spout is provided with the slider, the top of slider is provided with the output shaft, connecting plate, second driven gear and first driven gear have been set gradually in the outside of output shaft, the removal groove has been seted up to one side that the input shaft was kept away from to the mount pad inside, the one end of removal inslot portion is provided with logical groove, the inside slip of logical groove is provided with the slide, the inside rotation of slide is provided with speed change assembly, one side of mount pad back one end is provided with the threaded rod.

Preferably, the speed change assembly comprises a large chain wheel, a driving shaft, a first driving gear, a sliding sleeve, a second driving gear and a magnet, wherein the driving shaft is positioned inside the sliding plate, the large chain wheel is arranged at the bottom of the sliding plate, the sliding sleeve is sleeved at the middle position of the outer side of the sliding plate, the first driving gear and the second driving gear are arranged on the outer side of the sliding sleeve, the magnet is arranged at the top and the bottom of the outer side of the driving shaft, and the large chain wheel and the small chain wheel are sleeved on the outer side of the sliding sleeve.

Preferably, the driving shaft is composed of a group of rectangular rods and two groups of round rods, and the two groups of round rods are respectively positioned at the top and the bottom of the rectangular rods.

Preferably, one end of the back surface of the sliding plate penetrates through the inside of the groove, and one side of the threaded rod penetrates through the inside of the sliding plate and is connected through threads.

Preferably, the first driving gear and the connecting plate are meshed with each other, and the second driving gear and the first driven gear are meshed with each other.

Preferably, the top of the driving shaft is connected with the bottom of the connecting plate, and the top of the driving shaft and the outer side of the output shaft are connected with the connecting plate through bearings.

Preferably, the outer bearing of the threaded rod is connected with the fixing plate, and the fixing plate is fixedly connected with the mounting seat.

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

1. the sliding plate can be moved in the through groove by rotating the threaded rod, so that the large chain wheel can be driven to move, the distance between the large chain wheel and the small chain wheel is prolonged, the large chain wheel and the small chain wheel can be straightened and tightened at the moment, the tightness can be adjusted, the transmission efficiency is improved, and meanwhile, the output shaft can also move along with the driving shaft to keep the meshed state;

2. simultaneously can slide the slip cap outside the drive shaft, can drive first driving gear and second driving gear and remove for the meshing state of first driving gear and second driving gear is adjusted, and first driving gear and second driving gear can carry out different transmission ratios, thereby make output shaft output's speed also different, thereby adjusts.

Drawings

FIG. 1 is a schematic diagram of the structure of the present utility model;

FIG. 2 is a top cross-sectional view of the present utility model;

fig. 3 is a perspective view of the drive shaft of the present utility model.

In the figure: 1. a mounting base; 2. a threaded rod; 3. a through groove; 4. a large sprocket; 5. a drive shaft; 6. a slide plate; 7. a slide block; 8. a chute; 9. a small sprocket; 10. an input shaft; 11. a first driven gear; 12. a second driven gear; 13. an output shaft; 14. a connecting plate; 15. a first drive gear; 16. sliding the sleeve; 17. a second drive gear; 18. a moving groove; 19. a magnet; 20. and (3) a chain.

Detailed Description

The following description of the embodiments of the present utility model will be made clearly and completely with reference to the accompanying drawings, in which it is apparent that the embodiments described are only some embodiments of the present utility model, but not all embodiments. All other embodiments, which can be made by those skilled in the art based on the embodiments of the utility model without making any inventive effort, are intended to be within the scope of the utility model.

Referring to fig. 1-3, embodiments of the present utility model are provided: the utility model provides a reducing mechanism with adjust gear drive elasticity, including mount pad 1, one side rotation of mount pad 1 inside is provided with input shaft 10, the bottom of input shaft 10 is provided with little sprocket 9, spout 8 has been seted up to intermediate position department at mount pad 1 top, the inside of spout 8 is provided with slider 7, the top of slider 7 is provided with output shaft 13, connecting plate 14 has been set gradually in the outside of output shaft 13, second driven gear 12 and first driven gear 11, the removal groove 18 has been seted up to one side that input shaft 10 was kept away from to mount pad 1 inside, the one end of removal groove 18 inside is provided with logical groove 3, the inside slip of logical groove 3 is provided with slide 6, the inside rotation of slide 6 is provided with speed change assembly, one side of mount pad 1 back one end is provided with threaded rod 2.

Further, the speed change assembly comprises a large chain wheel 4, a driving shaft 5, a first driving gear 15, a sliding sleeve 16, a second driving gear 17 and a magnet 19, wherein the driving shaft 5 is positioned in the sliding plate 6, the bottom of the sliding plate 6 is provided with the large chain wheel 4, the sliding sleeve 16 is sleeved at the middle position of the outer side of the sliding plate 6, the first driving gear 15 and the second driving gear 17 are arranged on the outer side of the sliding sleeve 16, the magnet 19 is arranged at the top and the bottom of the outer side of the driving shaft 5, and the large chain wheel 4 and the small chain wheel 9 are sleeved at the outer side of the large chain wheel 20, so that the output speed can be adjusted.

Further, the driving shaft 5 is composed of a set of rectangular bars and two sets of round bars, and the two sets of round bars are respectively located at the top and the bottom of the rectangular bars, so that the sliding sleeve 16 can drive the driving shaft 5 to rotate.

Further, one end of the back of the sliding plate 6 penetrates through the inside of the groove 3, and one side of the threaded rod 2 penetrates through the inside of the sliding plate 6 and is connected through threads, so that the sliding plate 6 is driven to move back and forth.

Further, the first driving gear 15 and the connecting plate 14 are meshed with each other, the second driving gear 17 and the first driven gear 11 are meshed with each other, and different speeds can be output by adjusting the transmission ratio.

Further, the top of the driving shaft 5 is connected with the bottom of the connecting plate 14, and the top of the driving shaft 5 and the outer side of the output shaft 13 are connected with the connecting plate 14 through bearings, so that the driving shaft 5 can move to drive the output shaft 13 to move.

Further, the outside bearing of the threaded rod 2 is connected with the fixing plate, and the fixing plate is fixedly connected with the mounting seat 1, so that the threaded rod 2 is mounted more stably.

Working principle: firstly, the transmission tightness between the large chain wheel 4 and the small chain wheel 9 is adjusted, the sliding plate 6 drives the driving shaft 5 to slide in the through groove 3 under the action of threads by rotating the threaded rod 2, and at the moment, the large chain wheel 4 is far away from the small chain wheel 9, so that the tightness of 20 can be adjusted.

During operation, the small chain wheel 9 drives the large chain wheel 4 to rotate through 20 transmission to perform first-step deceleration, the large chain wheel 4 drives the driving shaft 5 and the sliding sleeve 16 to rotate, and the driving shaft 5 drives the output shaft 13 to perform transmission through transmission to perform second-step transmission to complete the deceleration function.

When different speeds are required to be output, the sliding sleeve 16 can be pushed at the outer side of the driving shaft 5 at this time, so that the sliding sleeve 16 drives the first driving gear 15 and the second driving gear 17 to move, the sliding sleeve 16 is fixedly adsorbed by the magnet 19, the first driving gear 15 and the second driven gear 12 are meshed, the second driving gear 17 and the first driven gear 11 are meshed, the speed of the meshing output of the first driving gear 15 and the second driven gear 12 is high due to different transmission ratios, and the speed of the meshing output of the second driving gear 17 and the first driven gear 11 is low.

It will be evident to those skilled in the art that the utility model is not limited to the details of the foregoing illustrative embodiments, and that the present utility model may be embodied in other specific forms without departing from the spirit or essential characteristics thereof. The present embodiments are, therefore, to be considered in all respects as illustrative and not restrictive, the scope of the utility model being indicated by the appended claims rather than by the foregoing description, and all changes which come within the meaning and range of equivalency of the claims are therefore intended to be embraced therein. Any reference sign in a claim should not be construed as limiting the claim concerned.

Claims

1. The utility model provides a reduction gears with adjust gear transmission elasticity, includes mount pad (1), its characterized in that: the utility model discloses a motor vehicle speed changing device, including mount pad (1), input shaft (10) are provided with in rotation of one side of mount pad (1) inside, the bottom of input shaft (10) is provided with little sprocket (9), spout (8) have been seted up to intermediate position department at mount pad (1) top, the inside of spout (8) is provided with slider (7), the top of slider (7) is provided with output shaft (13), connecting plate (14), second driven gear (12) and first driven gear (11) have been set gradually in the outside of output shaft (13), removal groove (18) have been seted up to one side that input shaft (10) were kept away from to inside of mount pad (1), the inside one end of removal groove (18) is provided with logical groove (3), the inside slip of logical groove (3) is provided with slide (6), the inside rotation of slide (6) is provided with speed changing assembly, one side of mount pad (1) back one end is provided with threaded rod (2).

2. A reduction mechanism with gear transmission tightness adjustment according to claim 1, wherein: the speed change assembly comprises a large chain wheel (4), a driving shaft (5), a first driving gear (15), a sliding sleeve (16), a second driving gear (17) and a magnet (19), wherein the driving shaft (5) is located inside a sliding plate (6), the large chain wheel (4) is arranged at the bottom of the sliding plate (6), the sliding sleeve (16) is sleeved at the middle position of the outer side of the sliding plate (6), the first driving gear (15) and the second driving gear (17) are arranged on the outer side of the sliding sleeve (16), the magnet (19) is arranged at the top and the bottom of the outer side of the driving shaft (5), and the magnet (20) is sleeved at the outer sides of the large chain wheel (4) and the small chain wheel (9).

3. A reduction mechanism with gear transmission tightness adjustment according to claim 2, characterized in that: the driving shaft (5) consists of a group of rectangular rods and two groups of round rods, and the two groups of round rods are respectively positioned at the top and the bottom of the rectangular rods.

4. A reduction mechanism with gear transmission tightness adjustment according to claim 1, wherein: one end of the back of the sliding plate (6) penetrates through the inside of the groove (3), and one side of the threaded rod (2) penetrates through the inside of the sliding plate (6) and is connected through threads.

5. A reduction mechanism with gear transmission tightness adjustment according to claim 2, characterized in that: the first driving gear (15) is meshed with the connecting plate (14), and the second driving gear (17) is meshed with the first driven gear (11).

6. A reduction mechanism with gear transmission tightness adjustment according to claim 2, characterized in that: the top of the driving shaft (5) is connected with the bottom of the connecting plate (14), and the top of the driving shaft (5) and the outer side of the output shaft (13) are connected with the connecting plate (14) through bearings.

7. A reduction mechanism with gear transmission tightness adjustment according to claim 1, wherein: the outer bearing of the threaded rod (2) is connected with a fixed plate, and the fixed plate is fixedly connected with the mounting seat (1).