CN220175967U

CN220175967U - Transmission structure of exercise bicycle

Info

Publication number: CN220175967U
Application number: CN202322463808.0U
Authority: CN
Inventors: 王健; 年建龙; 王颖颖
Original assignee: Shandong Century Star Sports Equipment Co ltd
Current assignee: Shandong Century Star Sports Equipment Co ltd
Priority date: 2023-09-12
Filing date: 2023-09-12
Publication date: 2023-12-15
Anticipated expiration: 2033-09-12

Abstract

The utility model relates to the technical field of exercise bicycles and discloses a transmission structure of an exercise bicycle, which comprises a support frame, wherein a driving belt pulley is rotationally connected to the front of the support frame, a belt is connected to the surface of the driving belt pulley in a transmission manner, a driven belt pulley is connected to the inner part of the belt in a transmission manner, a pedal is fixedly arranged on the surface of the driving belt pulley, a tensioning wheel is fixedly arranged in front of the support frame, and the surface of the tensioning wheel is in contact with the belt. According to the utility model, the driving belt pulley is rotationally connected in front of the supporting frame, and the driven belt pulley is rotationally connected in the supporting rod, so that the situation that the abrasion is loosened due to long-time friction with the driving belt pulley and the driven belt pulley, and the belt is pressed downwards by the tension pulley, so that the tightness of the belt, the driving belt pulley and the driven belt pulley is increased, the situation that the driven belt pulley is loosened after the abrasion is prevented, and the movement effect is ensured.

Description

Transmission structure of exercise bicycle

Technical Field

The utility model relates to the technical field of exercise bicycles, in particular to a transmission structure of an exercise bicycle.

Background

The exercise bicycle is called a power bicycle in the field of exercise science, is divided into two types of upright exercise bicycle and back-rest exercise bicycle, and can adjust the intensity when moving, plays the effect of body-building, and the transmission mode of exercise bicycle mainly is two types of chain drive and belt drive, and in belt drive, because the long-time rotation of belt, can produce the condition emergence of lax, influence the motion effect.

Disclosure of Invention

In order to overcome the defects of the prior art, the utility model provides a transmission structure of an exercise bicycle, which has the advantages of keeping the belt tensioned and ensuring the exercise effect.

In order to achieve the above purpose, the present utility model provides the following technical solutions: the utility model provides a transmission structure of exercise bicycle, includes the support frame, the place ahead of support frame rotates and is connected with the driving pulley, the surface transmission of driving pulley is connected with the belt, the internal transmission of belt is connected with driven pulley, the fixed surface of driving pulley installs the pedal, the place ahead fixed mounting of support frame has the tight pulley that rises, the surface and the belt contact of tight pulley that rises, the right side fixed mounting of support frame has the supporting bracket, the inside sliding connection of supporting bracket has the connecting axle, the top fixed mounting of connecting axle has dead lever two, the spout has all been seted up to the front and back both sides of dead lever two, the inside sliding connection of spout has the slide bar, the fixed surface of slide bar is connected with the handle.

As a preferable technical scheme of the utility model, a first fixing rod is fixedly connected to the upper side of the support frame, a damping rod is fixedly arranged above the first fixing rod, a spring is sleeved on the surface of the damping rod, and a cushion is fixedly arranged above the spring.

As a preferable technical scheme of the utility model, the surface of the supporting frame is fixedly provided with a supporting rod, and the surface of the supporting rod is rotatably connected with a rotating wheel.

As a preferable technical scheme of the utility model, the diameter value of the driving belt pulley is larger than that of the driven belt pulley, the driven belt pulley can slide on the surface of the tensioning wheel, and the spring is fixedly connected with the fixing rod.

As a preferable technical scheme of the utility model, the bottom of the supporting rod is fixedly provided with four suckers, and the four suckers are distributed on the front side and the rear side of the supporting frame and the rotating wheel.

As a preferable technical scheme of the utility model, the rotating wheel is positioned below the support bracket, two sliding grooves, two sliding bars and two handles are arranged, and the two sliding grooves and the two handles are distributed on the front side and the rear side of the second fixing rod by taking the center point of the second fixing rod as the center.

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

1. according to the utility model, the driving belt pulley is rotationally connected in front of the supporting frame, the driven belt pulley is rotationally connected in the supporting rod, meanwhile, the driving belt pulley and the driven belt pulley are rotationally connected through the belt, the tensioning wheel is fixedly arranged in front of the supporting frame and is contacted with the inner measuring surface of the belt, when the belt is in long-term transmission, the belt is in loose condition due to long-time friction with the driving belt pulley and the driven belt pulley, at the moment, the tensioning wheel can downwards press the belt, the tightness of the belt, the driving belt pulley and the driven belt pulley is increased, the condition that the driven belt pulley is loose after being worn is prevented, and the movement effect is ensured.

2. According to the utility model, the support bracket is fixedly arranged on the right side of the support frame, the connecting shaft is fixedly connected to the inside of the support bracket in a sliding manner, the fixing rod II is fixedly arranged above the connecting shaft, the sliding grooves are formed in the front side and the rear side of the fixing rod II, when the user needs to move, the connecting shaft can be adjusted to a proper height, then the handle can slide left and right under the sliding action of the sliding grooves and the sliding rods, and the handle can be adjusted to a comfortable position according to the height and the arm length of the user, so that the effect is better, and the effect that the user with different heights and arm lengths can randomly adjust the comfort level of the armrest is achieved.

Drawings

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

FIG. 2 is an enlarged schematic view of the structure A of FIG. 1 according to the present utility model;

FIG. 3 is a schematic view of a belt structure according to the present utility model;

FIG. 4 is a schematic view of the handle structure of the present utility model;

fig. 5 is an enlarged schematic view of the structure at B of fig. 4 according to the present utility model.

In the figure: 1. a support frame; 2. a driving pulley; 3. a driven pulley; 4. a belt; 5. a tensioning wheel; 6. foot pedal; 7. a first fixed rod; 8. a damping rod; 9. a spring; 10. a support bracket; 11. a connecting shaft; 12. a second fixing rod; 13. a chute; 14. a slide bar; 15. a handle; 16. a cushion; 17. a rotating wheel; 18. a support rod; 19. and a sucking disc.

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.

As shown in fig. 1 to 5, the utility model provides a transmission structure of an exercise bicycle, which comprises a support frame 1, wherein a driving belt pulley 2 is rotationally connected to the front of the support frame 1, the surface of the driving belt pulley 2 is in transmission connection with a belt 4, the interior of the belt 4 is in transmission connection with a driven belt pulley 3, the surface of the driving belt pulley 2 is fixedly provided with a pedal 6, the front of the support frame 1 is fixedly provided with a tension pulley 5, the surface of the tension pulley 5 is in contact with the belt 4, the right side of the support frame 1 is fixedly provided with a support bracket 10, the interior of the support bracket 10 is in sliding connection with a connecting shaft 11, a fixing rod II 12 is fixedly arranged above the connecting shaft 11, sliding grooves 13 are respectively formed in the front side and the rear side of the fixing rod II 12, sliding grooves 13 are in sliding connection with sliding rods 14, and the surface of the sliding rods 14 is fixedly connected with handles 15;

the tensioner 5 is located on the right side of the driving pulley 2, and mainly acts on the belt 4 to rub against the driving pulley 2 and the driven pulley 3 for a long time when the belt 4 runs for a long time, and due to the action of friction force, the belt 4 is worn to cause loosening, and at this time, the tensioner 5 contacts with the belt 4 and pushes the belt 4 downwards, so that the belt 4 is always kept in a tensioned state, and the movement effect is ensured.

The upper part of the support frame 1 is fixedly connected with a first fixed rod 7, a damping rod 8 is fixedly arranged above the first fixed rod 7, a spring 9 is sleeved on the surface of the damping rod 8, and a cushion 16 is fixedly arranged above the spring 9;

the first fixed rod 7 is cylindrical, and is mainly used for providing downward supporting force for the damping rod 8, after people with different weights sit down, the damping rod 8 can be pressed down in different magnitudes due to different weights, and the damping rod 8 can shake left and right during movement to cause instability, so that the lower the damping rod 8 is pressed down, the lower the gravity center is, and the movement is more stable.

The surface of the support frame 1 is fixedly provided with a support rod 18, and the surface of the support rod 18 is rotatably connected with a rotating wheel 17;

the four support rods 18 are respectively positioned at the front side and the rear side of the rotating wheel 17, and mainly play a role in supporting the front section of the body-building bicycle with the rotating wheel 17.

The diameter value of the driving belt pulley 2 is larger than that of the driven belt pulley 3, the driven belt pulley 3 can slide on the surface of the tensioning wheel 5, and the spring 9 is fixedly connected with the first fixing rod 7;

when the pedal 6 is stepped on by two feet during movement, the belt 4 is driven to rotate, meanwhile, the driving belt pulley 2 drives the driven belt pulley 3 to rotate through the transmission effect of the belt 4, and meanwhile, due to the friction force between the belt 4 and the driving belt pulley 2 and the driven belt pulley 3 and the action of a certain weight of the rotating wheel 17, a person needs to use a large force when stepping on the pedal 6, so that the exercise effect is achieved.

The bottom of the supporting rod 18 is fixedly provided with four suckers 19, and the four suckers 19 are distributed on the front side and the rear side of the supporting frame 1 and the rotating wheel 17;

the four suckers 19 are round cake-shaped and can be adsorbed on the ground, and the four suckers mainly act on adsorbing the periphery of the exercise bicycle on the ground, and meanwhile, the contact surface between the exercise bicycle and the ground can be increased, so that the exercise bicycle is more stable, and the condition that the exercise bicycle is greatly rocked is prevented.

The rotating wheel 17 is positioned below the support bracket 10, two sliding grooves 13, two sliding rods 14 and two handles 15 are arranged, and the two sliding grooves 13 and the two handles 15 are distributed on the front side and the rear side of the second fixed rod 12 by taking the center point of the second fixed rod 12 as the center; the said

The handle 15 is driven by the two sliding grooves 13 and the two sliding rods 14 to slide left and right, when the body is needed to be built, the handle 15 can be adjusted to a proper position according to the height and the arm length of a person through the sliding action of the two sliding grooves 13 and the two sliding rods 14, and the body is more comfortable during the exercise, so that the exercise effect is better.

The working principle and the using flow of the utility model are as follows:

firstly, placing the exercise bicycle at a stable place, sucking the sucking disc 19 of the base on the ground, and increasing the overall stability of the exercise bicycle;

at the moment, a body-building person sits on the seat cushion 16, the seat cushion 16 can slide downwards according to the weight of the person, the gravity center of the person is reduced, the shaking generated by the person during exercise is ensured to be small, meanwhile, the handle 15 is held by two hands, at the moment, the handle 15 can slide left and right through the sliding connection of the sliding groove 13 and the sliding rod 14 according to the height of the person, the handle 15 is adjusted to a proper position according to the condition of the person, and the efficiency is higher during exercise conveniently;

finally, the driving belt pulley 2 is rotated by stepping on the pedal 6, at this time, the driving belt pulley 2 drives the driven belt pulley 3 to rotate through the transmission effect of the belt 4, when the belt 4 runs for a long time, the loosening condition can occur, the movement effect can be poor, the force required to be generated during the movement can be relatively small, at this time, the tensioning wheel 5 is downwards abutted against the inner surface of the belt 4, the belt 4 is tightly contacted with the driving belt pulley 2 and the driven belt pulley 3, and the movement effect is achieved.

It is noted that relational terms such as first and second, and the like are used solely to distinguish one entity or action from another entity or action without necessarily requiring or implying any actual such relationship or order between such entities or actions. Moreover, the terms "comprises," "comprising," or any other variation thereof, are intended to cover a non-exclusive inclusion, such that a process, method, article, or apparatus that comprises a list of elements does not include only those elements but may include other elements not expressly listed or inherent to such process, method, article, or apparatus.

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

Claims

1. The utility model provides a transmission structure of exercise bicycle, includes support frame (1), its characterized in that: the front of support frame (1) rotates and is connected with driving pulley (2), the surface transmission of driving pulley (2) is connected with belt (4), the inside transmission of belt (4) is connected with driven pulley (3), the fixed surface of driving pulley (2) installs pedal (6), the place ahead fixed mounting of support frame (1) has tight pulley (5) that rises, the surface of tight pulley (5) and belt (4) contact, the right side fixed mounting of support frame (1) has support to hold in the palm (10), the inside sliding connection of support to hold in the palm (10) has connecting axle (11), the top fixed mounting of connecting axle (11) has dead lever two (12), spout (13) have all been seted up to the front and back both sides of dead lever two (12), the inside sliding connection of spout (13) has slide bar (14), the fixed surface of slide bar (14) is connected with handle (15).

2. The transmission structure of an exercise bicycle according to claim 1, wherein: the upper portion fixedly connected with dead lever one (7) of support frame (1), the top fixed mounting of dead lever one (7) has damping pole (8), spring (9) have been cup jointed on the surface of damping pole (8), the top fixed mounting of spring (9) has cushion (16).

3. The transmission structure of an exercise bicycle according to claim 1, wherein: the surface of the support frame (1) is fixedly provided with a support rod (18), and the surface of the support rod (18) is rotatably connected with a rotating wheel (17).

4. The transmission structure of an exercise bicycle according to claim 2, wherein: the diameter value of the driving belt pulley (2) is larger than that of the driven belt pulley (3), the driven belt pulley (3) can slide on the surface of the tensioning wheel (5), and the spring (9) is fixedly connected with the first fixing rod (7).

5. A transmission structure of an exercise bicycle according to claim 3, wherein: the bottom of the supporting rod (18) is fixedly provided with four suckers (19), and the four suckers (19) are distributed on the front side and the rear side of the supporting frame (1) and the rotating wheel (17).

6. A transmission structure of an exercise bicycle according to claim 3, wherein: the runner (17) is located below the support bracket (10), two sliding grooves (13), two sliding rods (14) and two handles (15) are arranged, and the two sliding grooves (13) and the two handles (15) are distributed on the front side and the rear side of the second fixed rod (12) by taking the center point of the second fixed rod (12) as the center.