CN219366710U

CN219366710U - Gear toothed chain transmission structure

Info

Publication number: CN219366710U
Application number: CN202320946011.3U
Authority: CN
Inventors: 赵霞; 许锋
Original assignee: Yancheng Gelida Machinery Co ltd
Current assignee: Yancheng Gelida Machinery Co ltd
Priority date: 2023-04-24
Filing date: 2023-04-24
Publication date: 2023-07-18
Anticipated expiration: 2033-04-24

Abstract

The utility model relates to the technical field of transmission structures, and discloses a gear tooth chain transmission structure, which comprises a box body, wherein one side of the box body is provided with an input shaft in a penetrating way, the other side of the box body is provided with an output shaft in a penetrating way, a first chain wheel system is arranged on the input shaft, a second chain wheel system is arranged on the output shaft, and a chain is arranged between the first chain wheel system and the second chain wheel system and integrally arranged in the box body; the inside top side of box is provided with the second fixed plate, rotate between second fixed plate and the box and be connected with the second connecting rod. The device can change the device transmission ratio through being provided with structures such as second plectrum in the box to change the rotational speed, when the device is in use, the input shaft drives the output shaft through the chain and rotates, rotates the second connecting rod through the second handle, and the second connecting rod drives the chain and squints, cooperatees with the sprocket that the size is different, thereby realizes changing the transmission ratio.

Description

Gear toothed chain transmission structure

Technical Field

The utility model relates to the technical field of transmission structures, in particular to a gear tooth chain transmission structure.

Background

Mechanical transmission is very widely used in mechanical engineering, mainly transmission that uses mechanical means to transmit power and motion. The main categories are two: firstly, the friction force between the machine parts is used for transmitting power and friction transmission, secondly, the driving part is meshed with the driven part or meshed with the intermediate part is used for transmitting power or motion, the chain transmission is a transmission mode of transmitting motion and power of a driving chain wheel with special tooth shape to a driven chain wheel with special tooth shape through a chain, the gearbox on the agricultural machinery at present mostly adopts gear transmission, the requirements on manufacturing and installation precision are high, noise is large, impact load is obvious, the gearbox is not suitable for being used on rough plots such as hilly and mountain areas, and the chain transmission is not convenient for speed change under the condition of severe environment.

Disclosure of Invention

(one) solving the technical problems

Aiming at the defects of the prior art, the utility model provides a gear tooth chain transmission structure, which solves the problems that the manufacturing and installation precision requirements are high, the noise is large, the impact load is obvious, the gear tooth chain transmission structure is not suitable for being used on rugged lands such as hilly and mountain areas, and the chain transmission is not convenient for carrying out speed change under the condition of severe environment.

Two technical schemes

In order to achieve the above purpose, the utility model is realized by the following technical scheme: the gear tooth chain transmission structure comprises a box body, wherein one side of the box body is provided with an input shaft in a penetrating manner, the other side of the box body is provided with an output shaft in a penetrating manner, a first chain wheel system is arranged on the input shaft, a second chain wheel system is arranged on the output shaft, and a chain is integrally arranged in the box body between the first chain wheel system and the second chain wheel system;

the inside top side of box is provided with the second fixed plate, rotate between second fixed plate and the box and be connected with the second connecting rod, install the second plectrum on the second connecting rod, the second plectrum suit is in the chain outside, second connecting rod one end is connected with the second handle, the bottom half is provided with the bracing piece, bracing piece bottom sliding connection has the bracing piece cover.

Optionally, there is first fixed plate the inside bottom side of box, rotate between first fixed plate and the box and be connected with first connecting rod, install first plectrum on the first connecting rod, first plectrum suit chain outside, first connecting rod one end is connected with the third handle.

Optionally, the inside bottom side of box still rotates and is connected with the carousel, install the telescopic link cover on the carousel, the inside sliding connection of telescopic link cover has the telescopic link, and is provided with the spring between telescopic link cover and the telescopic link, install the support on the telescopic link, the inside rotation of support is connected with elasticity sprocket, elasticity sprocket meshes with the chain mutually.

Optionally, a first handle is arranged at the top of the box body.

Optionally, the supporting rod sleeve bottom is provided with the mounting panel, the mounting hole has been seted up to the mounting panel both sides.

Optionally, the support rod sleeve is externally screwed with a fastener.

Optionally, the second connecting rod is inserted with a first chuck, the first connecting rod is also inserted with a second chuck, and the first chuck and the second chuck are both installed outside the box body.

Optionally, the first chuck and the second chuck have a self-locking function.

Advantageous effects

The utility model provides a gear tooth chain transmission structure, which has the following beneficial effects:

1. through being provided with second plectrum isotructure in the box, can change the device transmission ratio to change the rotational speed, when the device is in use, the input shaft drives the output shaft through the chain and rotates, rotates the second connecting rod through the second handle, and the second connecting rod drives the chain and squints, cooperatees with the sprocket that the size is different, thereby realizes changing the transmission ratio.

2. The transmission ratio of the two-chain gear trains can be changed by arranging the first shifting piece below the inner part of the box body, so that the rotating speed options are increased.

3. Through being provided with the elasticity sprocket in box inside below, can be convenient for carry out tensioning to the chain, the device also can change when changing the transmission ratio, and the telescopic link stretches out and draws back through spring drive, makes elasticity sprocket contact with the chain all the time to this supports the chain.

Drawings

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

FIG. 2 is a schematic diagram of the internal structure of the present utility model;

FIG. 3 is a schematic view of the internal front view structure of the present utility model;

FIG. 4 is a schematic view of the elastic assembly of the present utility model.

In the figure: 1. a case; 2. a first handle; 3. a first chuck; 4. a second handle; 5. an input shaft; 6. a mounting hole; 7. a mounting plate; 8. an output shaft; 9. a first train of gears; 10. a chain; 11. a second sprocket system; 12. a first link; 13. a first plectrum; 14. a first fixing plate; 15. a turntable; 16. a second link; 17. a second pulling piece; 18. a second fixing plate; 19. a second chuck; 20. a third handle; 21. a support rod; 22. a fastener; 23. a support rod sleeve; 24. a telescopic rod sleeve; 25. a spring; 26. a telescopic rod; 27. a bracket; 28. and (5) loosening and tightening the chain wheel.

Detailed Description

The technical scheme of the patent is further described in detail below with reference to the specific embodiments.

Embodiments of the present patent are described in detail below, examples of which are illustrated in the accompanying drawings, wherein the same or similar reference numerals refer to the same or similar elements or elements having the same or similar functions throughout. The embodiments described below by referring to the drawings are exemplary only for explaining the present patent and are not to be construed as limiting the present patent.

Example 1

A gear tooth chain transmission structure, as shown in fig. 1-4, comprising:

the device comprises a box body 1, wherein one side of the box body 1 is provided with an input shaft 5 in a penetrating way, the other side of the box body 1 is provided with an output shaft 8 in a penetrating way, a first chain wheel system 9 is arranged on the input shaft 5, a second chain wheel system 11 is arranged on the output shaft 8, and a chain 10 is arranged between the first chain wheel system 9 and the second chain wheel system 11 and integrally arranged in the box body 1;

the inside top side of box 1 is provided with second fixed plate 18, rotates between second fixed plate 18 and the box 1 and is connected with second connecting rod 16, installs second plectrum 17 on the second connecting rod 16, and second plectrum 17 suit is in the chain 10 outside, and second connecting rod 16 one end is connected with second handle 4, and box 1 bottom is provided with bracing piece 21, and bracing piece 21 bottom sliding connection has support bar cover 23.

Through being provided with structures such as second plectrum 17 in box 1 inside, can change the device transmission ratio to change the rotational speed, when the device is in use, input shaft 5 drives output shaft 8 through chain 10 and rotates, rotates second connecting rod 16 through second handle 4, and second connecting rod 16 drives chain 10 and squints, cooperatees with the sprocket that the size is different, thereby realizes changing the transmission ratio.

To further change the device transmission ratio; as shown in fig. 2, a first fixing plate 14 is arranged at the bottom side inside the box body 1, a first connecting rod 12 is rotatably connected between the first fixing plate 14 and the box body 1, a first poking plate 13 is mounted on the first connecting rod 12, the first poking plate 13 is sleeved on the outer side of the chain 10, and one end of the first connecting rod 12 is connected with a third handle 20.

By providing the first paddle 13 below the inside of the case 1, the transmission ratio of the two-chain train can be changed, and the rotational speed options can be increased.

To facilitate tensioning of the chain 10; as shown in fig. 4, the bottom side inside the box 1 is also rotatably connected with a turntable 15, a telescopic rod sleeve 24 is installed on the turntable 15, a telescopic rod 26 is slidably connected inside the telescopic rod sleeve 24, a spring 25 is arranged between the telescopic rod sleeve 24 and the telescopic rod 26, a bracket 27 is installed on the telescopic rod 26, an elastic chain wheel 28 is rotatably connected inside the bracket 27, and the elastic chain wheel 28 is meshed with the chain 10.

The elastic chain wheel 28 is arranged below the inside of the box body 1, so that the chain 10 can be conveniently tensioned, when the transmission ratio of the device is changed, the tightness of the chain 10 can be changed, the spring 25 drives the telescopic rod 26 to stretch and retract, and the elastic chain wheel 28 is always in contact with the chain 10, so that the chain 10 is supported.

For convenience of carrying the device; as shown in fig. 1, a first handle 2 is provided on the top of the case 1.

By means of the first handle 2 on the housing 1, the device can be carried easily.

To facilitate the fixing of the device; as shown in fig. 1, a mounting plate 7 is arranged at the bottom of the supporting rod sleeve 23, and mounting holes 6 are formed in two sides of the mounting plate 7.

The fixing of the device is facilitated by the mounting plate 7 at the bottom of the support rod sleeve 23.

In order to facilitate the lifting of the control device; as shown in fig. 3, the support rod sleeve 23 is externally screw-coupled with a fastener 22.

The lifting of the control device can be facilitated by the threaded connection of the fastener 22 outside the support rod sleeve 23.

Working principle: through being provided with structures such as second plectrum 17 inside box 1, can change the device transmission ratio, thereby change the rotational speed, when the device is in use, input shaft 5 drives output shaft 8 through chain 10 and rotates, rotate second connecting rod 16 through second handle 4, second connecting rod 16 drives chain 10 and squints, cooperate with the sprocket that the size is different, thereby realize changing the transmission ratio, the device also can change when changing the transmission ratio, drive telescopic link 26 through spring 25 and stretch out and draw back, make elasticity sprocket 28 contact with chain 10 all the time, with this supports chain 10.

Example 2

In order to facilitate fixing the shifting plate, referring to fig. 1 and 3, in this embodiment, compared with embodiment 1, the following improvement is made, in this embodiment, the second connecting rod 16 is inserted with the first chuck 3, the first connecting rod 12 is also inserted with the second chuck 19, the first chuck 3 and the second chuck 19 are both installed outside the case 1, and the first chuck 3 and the second chuck 19 have a self-locking function.

The first chuck 3 and the second chuck 19 facilitate fixing the dials on the second link 16 and the first link 12.

The foregoing is only a preferred embodiment of the present utility model, but the scope of the present utility model is not limited thereto, and any person skilled in the art, who is within the scope of the present utility model, should make equivalent substitutions or modifications according to the technical scheme of the present utility model and the inventive concept thereof, and should be covered by the scope of the present utility model.

Claims

1. The utility model provides a gear tooth chain transmission structure, includes box (1), its characterized in that, one side of box (1) is run through and is provided with input shaft (5), the opposite side of box (1) is run through and is provided with output shaft (8), install first chain train (9) on input shaft (5), install second chain train (11) on output shaft (8), install chain (10) between first chain train (9) and second chain train (11) and wholly set up in box (1);

the inside top side of box (1) is provided with second fixed plate (18), rotate between second fixed plate (18) and box (1) and be connected with second connecting rod (16), install second plectrum (17) on second connecting rod (16), second plectrum (17) suit is in chain (10) outside, second connecting rod (16) one end is connected with second handle (4), box (1) bottom is provided with bracing piece (21), bracing piece (21) bottom sliding connection has support bar cover (23).

2. A gear rack and pinion transmission according to claim 1, wherein: the novel lifting device is characterized in that a first fixing plate (14) is arranged on the bottom side inside the box body (1), a first connecting rod (12) is connected between the first fixing plate (14) and the box body (1) in a rotating mode, a first poking piece (13) is arranged on the first connecting rod (12), the first poking piece (13) is sleeved on the outer side of the chain (10), and one end of the first connecting rod (12) is connected with a third handle (20).

3. A gear rack and pinion transmission according to claim 2, wherein: the novel telescopic device is characterized in that a turntable (15) is further rotationally connected to the bottom side inside the box body (1), a telescopic rod sleeve (24) is mounted on the turntable (15), a telescopic rod (26) is slidably connected inside the telescopic rod sleeve (24), a spring (25) is arranged between the telescopic rod sleeve (24) and the telescopic rod (26), a support (27) is mounted on the telescopic rod (26), an elastic chain wheel (28) is rotationally connected inside the support (27), and the elastic chain wheel (28) is meshed with the chain (10).

4. A gear rack and pinion transmission according to claim 3, wherein: the top of the box body (1) is provided with a first handle (2).

5. A gear rack and pinion transmission according to claim 1, wherein: the bottom of the supporting rod sleeve (23) is provided with a mounting plate (7), and mounting holes (6) are formed in two sides of the mounting plate (7).

6. A gear rack and pinion transmission according to claim 5 wherein: the support rod sleeve (23) is externally connected with a fastener (22) through threads.

7. A gear rack and pinion transmission according to claim 2, wherein: the first chuck (3) is inserted on the second connecting rod (16), the second chuck (19) is also inserted on the first connecting rod (12), and the first chuck (3) and the second chuck (19) are both arranged outside the box body (1).

8. A gear rack and pinion transmission according to claim 7 wherein: the first chuck (3) and the second chuck (19) have a self-locking function.