Rotary multi-stage flywheel for bicycle

Abstract

The utility model relates to the technical field of bicycles, and discloses a rotary multistage flywheel for a bicycle, which comprises a tower footing, a fixing component is arranged on the periphery of the tower footing, a baffle is slidably connected to the top of the tower footing, a push rod is slidably connected to the front side of the baffle, and a moving plate is fixedly connected to the rear end of the push rod. Rotating plates are rotatably connected to the left side and the right side of the moving plate, a fixing rod is rotatably connected to the side, away from the moving plate, of each rotating plate, a tooth piece set is slidably connected to the periphery of the tower footing, and the fixing assembly comprises a boss plate. The fixing of the baffle can be relieved by pushing the push rod, the fixing rod is driven by the elastic force of the spring to reset so as to fix the baffle, so that the baffle is quickly disassembled and assembled and is convenient to maintain, the tower footing and the tooth pieces can be prevented from slipping by fixing the boss plate on the periphery of the tower footing, and the service life of the tower footing is prolonged. And the friction force can be enhanced by fixing an anti-skid pad in the tower footing.

Description

Technical Field

[0001] The utility model relates to the technical field of bicycles, in particular to a rotary multi-stage flywheel for bicycles. Background Art

[0002] A bicycle is a human-powered vehicle used for short-distance travel, exercise, and leisure activities. A multi-stage flywheel is a bicycle design that allows users to increase or decrease resistance by rotating different flywheels or adjusting their positions, thus making it suitable for users of different levels and goals.

[0003] A rotary multi-stage flywheel refers to a series of additional flywheels connected behind the main flywheel. These flywheels are connected by chains or belts and can be rotated or moved to adjust their position and resistance, allowing users to adjust the difficulty of the exercise according to their needs and abilities.

[0004] The existing rotary multi-stage flywheel has an overly complex fixing structure and requires specific tools when repaired. It also places high technical requirements on the repair personnel, resulting in low efficiency. Therefore, a rotary multi-stage flywheel for a bicycle is proposed to solve the above problems. Utility Model Content

[0005] In order to make up for the above shortcomings, the utility model provides a rotary multi-stage flywheel for a bicycle, aiming to improve the problem in the prior art that it is difficult to quickly disassemble the rotary multi-stage flywheel, resulting in inconvenient maintenance.

[0006] In order to achieve the above purpose, the utility model adopts the following technical solutions:

[0007] A rotary multi-stage flywheel for a bicycle comprises a tower base, a fixed assembly is arranged on the outer periphery of the tower base, a baffle is slidably connected to the top of the tower base, a push rod is slidably connected to the front side of the baffle, a moving plate is fixedly connected to the rear end of the push rod, both left and right sides of the moving plate are rotatably connected to rotating plates, a side of the rotating plate away from the moving plate is rotatably connected to a fixed rod, and a gear plate group is slidably connected to the outer periphery of the tower base;

[0008] As a further description of the above technical solution:

[0009] The fixing assembly comprises a boss plate, the inside of the boss plate is fixedly connected to the outer periphery of the tower base, and the inside of the tower base is fixedly connected with an anti-skid pad;

[0010] As a further description of the above technical solution:

[0011] The front end of the push rod is fixedly connected to the limiting plate 1, the rear side of the limiting plate 1 is fixedly connected to a spring, the rear end of the spring is fixedly connected to the front side of the baffle, and the spring is sleeved on the outer periphery of the push rod;

[0012] As a further description of the above technical solution:

[0013] Slide grooves are provided on the left and right sides of the tower base, and one end of the fixing rod away from the rotating plate is slidably connected to the slide groove inside the tower base;

[0014] As a further description of the above technical solution:

[0015] The bottom of the tower base is fixedly connected to a second limiting plate, and a thread is arranged inside the second limiting plate;

[0016] As a further description of the above technical solution:

[0017] A steel ball group is arranged inside the tower base;

[0018] As a further description of the above technical solution:

[0019] A cover plate is slidably connected inside the tower base, and the bottom of the cover plate abuts against the top of the steel ball group;

[0020] As a further description of the above technical solution:

[0021] The material of the tower base is steel.

[0022] The utility model has the following beneficial effects:

[0023] 1. In the utility model, the movable plate can be moved by pushing the push rod, the movable plate can drive the rotating plate to rotate by moving, the rotating plate can drive the fixed rod to move by rotating, the fixed rod can release the fixation of the baffle by moving, and the baffle can be quickly disassembled by releasing the fixation of the baffle, so as to facilitate the maintenance of the counter-rotating multi-stage flywheel, after the push rod is loosened, the push rod can be reset by the elastic force of the spring, the push rod can drive the fixed rod to reset by resetting, the fixed rod can fix the baffle by resetting, and the tooth piece can be prevented from falling off by installing the baffle.

[0024] 2. In the utility model, by fixing the boss plate on the outer periphery of the tower base, the gear plate can drive the tower base to rotate when it rotates, thereby preventing the tower base and the gear plate from slipping. By fixing the anti-skid pad inside the tower base, the friction force can be enhanced. The gear plate can drive the boss plate to rotate by rotating, and the boss plate can drive the tower base to rotate by rotating. The tower base can drive the bicycle forward by rotating. BRIEF DESCRIPTION OF THE DRAWINGS

[0025] Figure 1 This is a three-dimensional schematic diagram of a rotating multi-stage flywheel for a bicycle proposed by the utility model;

[0026] Figure 2This is a structural schematic diagram of a baffle of a rotating multi-stage flywheel for a bicycle proposed by the utility model;

[0027] Figure 3 This is a schematic structural diagram of a tower base of a rotary multi-stage flywheel for a bicycle proposed by the utility model;

[0028] Figure 4 The utility model is a structural schematic diagram of a boss plate of a rotary multi-stage flywheel for a bicycle.

[0029] Legend:

[0030] 1. Tower base; 2. Baffle; 3. Push rod; 4. Moving plate; 5. Rotating plate; 6. Fixed rod; 7. Anti-slip pad; 8. Boss plate; 9. Sprocket group; 10. Limit plate 1; 11. Spring; 12. Limit plate 2; 13. Thread; 14. Cover plate; 15. Steel ball group. DETAILED DESCRIPTION

[0031] The following will be combined with the drawings in the embodiments of the utility model to clearly and completely describe the technical solutions in the embodiments of the utility model. Obviously, the described embodiments are only part of the embodiments of the utility model, not all of the embodiments. Based on the embodiments in the utility model, all other embodiments obtained by ordinary technicians in this field without creative work are within the scope of protection of the utility model.

[0032] Reference Figure 1 - Figure 3 The utility model provides an embodiment: a rotary multi-stage flywheel for a bicycle, comprising a tower base 1, a fixed assembly is arranged on the outer periphery of the tower base 1, a baffle 2 is slidably connected to the top of the tower base 1, a push rod 3 is slidably connected to the front side of the baffle 2, a moving plate 4 is fixedly connected to the rear end of the push rod 3, both left and right sides of the moving plate 4 are rotatably connected to rotating plates 5, a side of the rotating plate 5 away from the moving plate 4 is rotatably connected to a fixed rod 6, and a gear group 9 is slidably connected to the outer periphery of the tower base 1. The tower base 1 is the main structure of the rotary multi-stage flywheel, used to drive the bicycle forward, the baffle 2 is used to prevent the gear group 9 from falling off, the push rod 3 can drive the moving plate 4 to move by moving, the moving plate 4 can drive the rotating plate 5 to rotate by moving, the rotating plate 5 can drive the fixed rod 6 to move by rotating, the fixed rod 6 can release the fixation of the baffle 2 by moving, and the gear group 9 can drive the tower base 1 to rotate by rotating.

[0033] Reference Figure 1 , Figure 3 and Figure 4 The fixing assembly includes a boss plate 8, the boss plate 8 is fixedly connected to the outer periphery of the freewheel base 1, and the freewheel base 1 is fixedly connected with an anti-skid pad 7. The boss plate 8 is used to prevent the freewheel base 1 and the gear from slipping, and the anti-skid pad 7 can enhance the friction of the freewheel base 1.

[0034] Reference Figure 1 - Figure 3 The front end of the push rod 3 is fixedly connected to a limit plate 10, and the rear side of the limit plate 10 is fixedly connected to a spring 11. The rear end of the spring 11 is fixedly connected to the front side of the baffle 2. The spring 11 is sleeved on the outer periphery of the push rod 3. Slide grooves are opened on the left and right sides of the inside of the tower base 1. The end of the fixed rod 6 away from the rotating plate 5 is slidably connected to the slide groove inside the tower base 1. The bottom of the tower base 1 is fixedly connected to a limit plate 2 12, and a thread 13 is arranged inside the limit plate 2 12. A steel ball group 15 is arranged inside the tower base 1. A cover plate 14 is slidably connected inside the tower base 1, and the bottom of the cover plate 14 abuts against the top of the steel ball group 15. The material of the tower base 1 is steel. The limit plate 10 prevents the push rod 3 from entering the baffle 2. The spring 11 can drive the push rod 3 to reset through the elastic force. The limit plate 2 12 prevents the tooth group 9 from falling off. The thread 13 is used to install the rotary multi-stage flywheel. The cover plate 14 is used to fix the steel ball group 15. The steel ball group 15 is used to reduce friction during rotation. The tower base 1 is made of steel to provide sufficient stability.

[0035] Working principle: first install the tooth group 9 on the outer periphery of the tower base 1, and install the steel ball group 15 inside the tower base 1. By installing the cover plate 14, the steel ball group 15 can be prevented from falling off. By installing the steel ball group 15, the friction during rotation can be reduced. By installing the baffle plate 2, the tooth group 9 and the cover plate 14 can be prevented from falling off. The spring 11 can drive the push rod 3 to move through the elastic force. The push rod 3 can drive the moving plate 4 to move through movement. The moving plate 4 can drive the rotating plate 5 to rotate through movement. The rotating plate 5 can drive the fixed rod 6 to move through rotation. The fixed rod 6 can fix the baffle plate 2 on the tower base 1 by moving. When the counter-rotating multi-stage flywheel needs to be repaired, the push rod 3 can be pushed to drive the moving plate 4 to move. The plate 4 can drive the rotating plate 5 to rotate by moving, and the rotating plate 5 can drive the fixing rod 6 to move by rotating, and the fixing rod 6 can release the fixation of the baffle plate 2 by moving, and the tooth group 9 and the cover plate 14 can be removed after the fixation of the baffle plate 2 is released, and the steel ball group 15 can be removed after the cover plate 14 is removed, so as to facilitate its maintenance, and the boss plate 8 can be fixed on the outer periphery of the tower base 1, so that the tooth plate can drive the tower base 1 to rotate when rotating, and the tower base 1 and the tooth plate can be prevented from slipping, and the anti-skid pad 7 can be fixed inside the tower base 1 to enhance its friction, and the tooth plate can drive the boss plate 8 to rotate by rotating, and the boss plate 8 can drive the tower base 1 to rotate by rotating, and the tower base 1 can drive the bicycle forward by rotating.

[0036] Finally, it should be noted that the above is only a preferred embodiment of the present invention and is not intended to limit the present invention. Although the present invention has been described in detail with reference to the aforementioned embodiments, those skilled in the art can still modify the technical solutions described in the aforementioned embodiments or make equivalent substitutions for some of the technical features therein. Any modifications, equivalent substitutions, improvements, etc. made within the spirit and principles of the present invention should be included in the protection scope of the present invention.

Claims

1. A multi-stage flywheel for a bicycle, comprising a freewheel base (1), characterized in that: A fixed component is arranged on the periphery of the tower base (1); a baffle (2) is slidably connected to the top of the tower base (1); a push rod (3) is slidably connected to the front side of the baffle (2); a movable plate (4) is fixedly connected to the rear end of the push rod (3); both left and right sides of the movable plate (4) are rotatably connected to rotating plates (5); a side of the rotating plate (5) away from the movable plate (4) is rotatably connected to a fixed rod (6); and a gear plate group (9) is slidably connected to the periphery of the tower base (1).

2. A rotating multi-stage flywheel for a bicycle according to claim 1, characterized in that: The fixing assembly comprises a boss plate (8), the boss plate (8) is internally fixedly connected to the outer periphery of the tower base (1), and an anti-slip pad (7) is internally fixedly connected to the tower base (1).

3. The multi-stage flywheel for a bicycle according to claim 1, characterized in that: The front end of the push rod (3) is fixedly connected to a limiting plate (10), the rear side of the limiting plate (10) is fixedly connected to a spring (11), the rear end of the spring (11) is fixedly connected to the front side of the baffle (2), and the spring (11) is sleeved on the outer periphery of the push rod (3).

4. The multi-stage flywheel for a bicycle according to claim 1, characterized in that: Slide grooves are provided on the left and right sides of the tower base (1), and one end of the fixing rod (6) away from the rotating plate (5) is slidably connected to the slide groove inside the tower base (1).

5. The multi-stage flywheel for a bicycle according to claim 1, characterized in that: The bottom of the tower base (1) is fixedly connected to a second limiting plate (12), and a thread (13) is provided inside the second limiting plate (12).

6. The multi-stage flywheel for a bicycle according to claim 1, characterized in that: A steel ball group (15) is arranged inside the tower base (1).

7. A rotating multi-stage flywheel for a bicycle according to claim 6, characterized in that: A cover plate (14) is slidably connected inside the tower base (1), and the bottom of the cover plate (14) abuts against the top of the steel ball group (15).

8. The multi-stage flywheel for a bicycle according to claim 1, characterized in that: The tower base (1) is made of steel.

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