Exercise bicycle capable of adjusting resistance

Abstract

The exercise bicycle comprises a bottom plate, a supporting column fixedly connected to the upper surface of the bottom plate, a cross beam fixedly connected to the front surface of the supporting column, a first rotating shaft rotationally connected to the inner surface of the cross beam, a second rotating shaft rotationally connected to the inner surface of the cross beam, and a rotating wheel fixedly connected to the outer wall of the second rotating shaft. Supports are fixedly connected to the upper surface of the bottom plate, the second rotating shaft is rotationally connected between the supports, a linkage assembly is arranged between the first rotating shaft and the second rotating shaft, a longitudinal sliding groove is formed in the supporting column, a transverse sliding groove is formed in the cross beam, and an extrusion sliding rod is slidably connected to the inner surface of the longitudinal sliding groove. According to the exercise bicycle, the user does not need to spend time to try different resistance levels, the user can start exercise suitable for himself / herself by sitting on the exercise bicycle, each user can quickly enter a comfortable exercise state, and the use efficiency of the exercise equipment is improved.

Description

Technical Field

[0001] The utility model relates to the technical field of fitness equipment, in particular to a fitness bike with adjustable resistance. Background Art

[0002] Existing exercise bikes with adjustable resistance are usually composed of a frame, transmission components, and wheels, which are used by users to simulate riding. Riding an exercise bike is an aerobic exercise. During riding, the heart needs to work continuously to transport oxygen to the body, and the lungs also need to exchange gases more efficiently. Long-term persistence can improve cardiopulmonary function and enhance endurance.

[0003] However, when using it, users of different weights need to spend time manually trying and adjusting different resistance levels each time to find the exercise intensity that suits them. This increases the preparation time before exercise, affects the efficiency of users in quickly entering the exercise state, and reduces the smoothness of the user experience. Especially in public places such as gyms, users frequently change uses, and everyone needs to re-debug, wasting a lot of time. Utility Model Content

[0004] The purpose of the present utility model is to solve at least one of the technical problems existing in the prior art and to provide an exercise bike with adjustable resistance. When users of different weights sit on the equipment, the pressures exerted on the spring and the damper are different, which results in different forces for the extrusion slide bar to press the top rod downward, which results in different forces for the resistance block on the top rod to fit the rotating shaft one, which results in different damping forces obtained by different users. For users of different weights, this design of automatically adapting to weight to produce different damping forces provides a personalized exercise experience, so that users do not need to spend time trying different resistance levels. They can start an exercise that suits them as soon as they sit on the exercise bike. For example, in public places such as gyms, different users frequently use the exercise bike. This automatic matching function allows each user to quickly enter a comfortable exercise state, thereby improving the efficiency of using the fitness equipment.

[0005] The present invention also provides an exercise bike with adjustable resistance, comprising: a bottom plate, the upper surface of the bottom plate is fixedly connected to a pillar, the front surface of the pillar is fixedly connected to a crossbeam, the inner surface of the crossbeam is rotatably connected to a first rotating shaft, the inner surface of the crossbeam is rotatably connected to a second rotating shaft, the outer wall of the second rotating shaft is fixedly connected to a rotating wheel, the upper surface of the bottom plate is fixedly connected to a bracket, the second rotating shaft is rotatably connected between the brackets, a linkage assembly is provided between the first rotating shaft and the second rotating shaft, a longitudinal slide groove is provided on the pillar, and a transverse slide groove is provided on the crossbeam. The cam is connected to the sliding groove, the inner surface of the longitudinal sliding groove is slidably connected to the extrusion sliding rod, the inner surface of the transverse sliding groove is slidably connected to the push rod, one end of the push rod is provided with a bevel, the extrusion sliding rod is movably connected to the push rod, one end of the push rod is fixedly connected to a block, the block is movably connected to a rotating shaft, a through groove is provided on the pillar, the side surface of the extrusion sliding rod is fixedly connected to a connecting plate, the connecting plate is slidably connected to the inside of the through groove, a spring is fixedly connected between the connecting plate and the through groove, and a damper is fixedly connected between the connecting plate and the through groove.

[0006] According to the utility model of an exercise bike with adjustable resistance, the linkage assembly includes: a large sprocket, a small sprocket, and a chain. The large sprocket is fixedly connected to the outer wall of the first rotating shaft, the small sprocket is fixedly connected to the outer wall of the second rotating shaft, and the chain is meshed and connected to the outer walls of the large sprocket and the small sprocket.

[0007] According to the resistance-adjustable fitness bike of the present invention, the side surface of the crossbeam is fixedly connected with a protective shell, and the large sprocket, small sprocket and chain are all located inside the protective shell.

[0008] According to the resistance-adjustable fitness bike of the present invention, both ends of the first rotating shaft are fixedly connected to connecting rods, and the side surfaces of the connecting rods are rotatably connected to pedals.

[0009] According to the resistance-adjustable fitness bike of the present invention, the upper surface of the base plate is fixedly connected to a support frame, and the upper surface of the support frame is fixedly connected to a handle.

[0010] According to the resistance-adjustable fitness bike of the present invention, an anti-slip block is fixedly connected to the lower surface of the bottom plate, and anti-slip grooves are provided on the anti-slip block.

[0011] According to the resistance-adjustable fitness bike of the present invention, a support rod is fixedly connected to the upper surface of the bottom plate, and the other end of the support rod is fixedly connected to the side surface of the pillar.

[0012] According to the resistance-adjustable fitness bike of the present invention, the upper end of the extrusion slide bar is fixedly connected to a pad, and the upper surface of the pad is fixedly connected to a seat cushion. Beneficial effects

[0013] The utility model provides an exercise bike with adjustable resistance. When users of different weights sit on the equipment, the spring and the damper are subjected to different pressures, which results in different forces for the extrusion slide bar to press the top rod downward, which results in different forces for the resistance block on the top rod to fit the rotating shaft 1, which results in different damping forces obtained by different users. For users of different weights, this design of automatically adapting to their weight to produce different damping forces provides a personalized exercise experience, so that users do not need to spend time trying different resistance levels. They can start an exercise that suits them as soon as they sit on the exercise bike. For example, in public places such as gyms, different users frequently use the exercise bike. This automatic matching function allows each user to quickly enter a comfortable exercise state, thereby improving the efficiency of using the fitness equipment. BRIEF DESCRIPTION OF THE DRAWINGS

[0014] The present invention will be further described below with reference to the accompanying drawings and embodiments;

[0015] Figure 1 This is a main structural diagram of the resistance-adjustable fitness bike of the present invention;

[0016] Figure 2 This is a cross-sectional structural diagram of the resistance-adjustable fitness bike of the present invention;

[0017] Figure 3 This is a right side structural diagram of the resistance-adjustable fitness bike of the present invention;

[0018] Figure 4 This is a bottom view of the resistance-adjustable fitness bike of the present invention.

[0019] Legend:

[0020] 1. Connecting plate; 2. Through slot; 3. Damper; 4. Spring; 5. Pillar; 6. Support rod; 7. Bottom plate; 8. Connecting rod; 9. Pedal; 10. Handlebar; 11. Support frame; 12. Casing; 13. Chain; 14. Small sprocket; 15. Rotating wheel; 16. Bracket; 17. Large sprocket; 18. Cushion; 19. Pad; 20. Longitudinal slide; 21. Extrusion slide; 22. Push rod; 23. Block; 24. Rotating shaft 1; 25. Horizontal slide; 26. Rotating shaft 2; 27. Anti-slip block; 28. Anti-slip pattern; 29. ​​Crossbeam. DETAILED DESCRIPTION

[0021] This section will describe in detail the specific embodiments of the present invention. The preferred embodiments of the present invention are shown in the accompanying drawings. The purpose of the accompanying drawings is to supplement the description of the text part of the specification with graphics, so that people can intuitively and vividly understand each technical feature and overall technical solution of the present invention, but it cannot be understood as a limitation on the scope of protection of the present invention.

[0022] Reference Figure 1-4 , an embodiment of the present utility model is a fitness bike with adjustable resistance, which includes: a bottom plate 7 for carrying components, the upper surface of the bottom plate 7 is fixedly connected to a support frame 11, the upper surface of the support frame 11 is fixedly connected to a handle 10, the lower surface of the bottom plate 7 is fixedly connected to an anti-slip block 27, and the anti-slip block 27 is provided with an anti-slip groove 28, the upper surface of the bottom plate 7 is fixedly connected to a support rod 6, the other end of the support rod 6 is fixedly connected to the side surface of the pillar 5, the upper surface of the bottom plate 7 is fixedly connected to the pillar 5, the front surface of the pillar 5 is fixedly connected to a crossbeam 29, the side surface of the crossbeam 29 is fixedly connected to a protective shell 12, the large sprocket 17, the small sprocket 14, and the chain 13 are all located inside the protective shell 12, and the inner surface of the crossbeam 29 is rotatably connected to a rotating shaft 24 for driving the large sprocket 17 to rotate.

[0023] The two ends of the rotating shaft 24 are fixedly connected to the connecting rod 8, and the side surface of the connecting rod 8 is rotatably connected to the foot pedal 9. The inner surface of the cross beam 29 is rotatably connected to the rotating shaft 26, which is driven by the small sprocket 14 to rotate. The outer wall of the rotating shaft 26 is fixedly connected to the rotating wheel 15, and the upper surface of the bottom plate 7 is fixedly connected to the bracket 16. The rotating shaft 26 is rotatably connected between the brackets 16. A linkage component is provided between the rotating shaft 1 24 and the rotating shaft 2 26, which is used to enable the rotating shaft 1 24 to drive the rotating shaft 2 26 to rotate. The linkage component includes: a large sprocket 17, a small sprocket 14, and a chain 13. The large sprocket 17 is fixedly connected to the outer wall of the rotating shaft 1 24, and the small sprocket 14 is fixedly connected to the outer wall of the rotating shaft 2 26. The chain 13 is meshed with the outer walls of the large sprocket 17 and the small sprocket 14. A longitudinal slide groove 20 is provided on the pillar 5 for squeezing the slide rod 21 to slide inside, and a transverse slide groove 25 is provided on the cross beam 29 for the top rod 22 to slide inside.

[0024] The inner surface of the longitudinal slide 20 is slidably connected with an extrusion slide bar 21 for extruding a push rod 22. The upper end of the extrusion slide bar 21 is fixedly connected to a pad 19. The upper surface of the pad 19 is fixedly connected to the seat cushion 18. The inner surface of the transverse slide 25 is slidably connected with a push rod 22 for squeezing the block 23 on the rotating shaft 24 after being squeezed by the extrusion slide bar 21. One end of the push rod 22 is provided with a bevel edge for facilitating the extrusion slide bar 21 to squeeze the push rod 22. The extrusion slide bar 21 is movably connected to the push rod 22. One end of the push rod 22 is fixedly connected with a block 23 for pressing on the rotating shaft 24, thereby producing a damping effect thereon. The block 23 is movably connected to the rotating shaft 24. A through groove 2 is provided on the pillar 5. The side surface of the extrusion slide bar 21 is fixedly connected to the connecting plate 1. The connecting plate 1 is slidably connected to the inside of the through groove 2. A spring 4 is fixedly connected between the connecting plate 1 and the through groove 2. The damper 3 is fixedly connected between the connecting plate 1 and the through groove 2.

[0025] Working principle: During use, when the user sits on the seat cushion 18, the weight will generate pressure on the seat cushion 18, and the pad 19 under the seat cushion 18 will transfer the pressure to the extrusion slide 21, and the extrusion slide 21 will slide downward in the longitudinal slide groove 20 of the pillar 5. Since one end of the push rod 22 is provided with a bevel, the extrusion slide 21 will squeeze the push rod 22, and the push rod 22 will slide in the transverse slide groove 25 of the cross beam 29. The block 23 at one end of the push rod 22 will approach the rotating shaft 24 and be squeezed on the rotating shaft 24, thereby generating a damping effect on the rotating shaft 24 and increasing the riding resistance.

[0026] The embodiments of the present invention are described in detail above with reference to the accompanying drawings. However, the present invention is not limited to the above embodiments. Various changes can be made within the scope of knowledge possessed by ordinary technicians in the relevant technical field without departing from the purpose of the present invention.

Claims

1. A fitness bike with adjustable resistance, characterized in that: include: A bottom plate (7), the upper surface of the bottom plate (7) is fixedly connected to a pillar (5), the front surface of the pillar (5) is fixedly connected to a crossbeam (29), the inner surface of the crossbeam (29) is rotatably connected to a first rotating shaft (24), the inner surface of the crossbeam (29) is rotatably connected to a second rotating shaft (26), the outer wall of the second rotating shaft (26) is fixedly connected to a rotating wheel (15), the upper surface of the bottom plate (7) is fixedly connected to a bracket (16), the second rotating shaft (26) is rotatably connected between the brackets (16), a linkage assembly is provided between the first rotating shaft (24) and the second rotating shaft (26), a longitudinal slide groove (20) is provided on the pillar (5), and a transverse slide groove (25) is provided on the crossbeam (29); The inner surface of the longitudinal slide (20) is slidably connected to an extrusion slide rod (21), the inner surface of the transverse slide (25) is slidably connected to a push rod (22), one end of the push rod (22) is provided with a bevel, the extrusion slide rod (21) is movably connected to the push rod (22), one end of the push rod (22) is fixedly connected to a block (23), the block (23) is movably connected to a rotating shaft (24), a through groove (2) is provided on the pillar (5), the side surface of the extrusion slide rod (21) is fixedly connected to a connecting plate (1), the connecting plate (1) is slidably connected to the inside of the through groove (2), a spring (4) is fixedly connected between the connecting plate (1) and the through groove (2), and a damper (3) is fixedly connected between the connecting plate (1) and the through groove (2).

2. The resistance-adjustable fitness bike according to claim 1, characterized in that: The linkage assembly comprises: a large sprocket (17), a small sprocket (14), and a chain (13); the large sprocket (17) is fixedly connected to the outer wall of the first rotating shaft (24); the small sprocket (14) is fixedly connected to the outer wall of the second rotating shaft (26); and the chain (13) is meshedly connected to the outer walls of the large sprocket (17) and the small sprocket (14).

3. The resistance-adjustable fitness bike according to claim 2, characterized in that: The side surface of the crossbeam (29) is fixedly connected to a protective shell (12), and the large sprocket (17), the small sprocket (14), and the chain (13) are all located inside the protective shell (12).

4. The resistance-adjustable fitness vehicle according to claim 1, wherein: Both ends of the rotating shaft (24) are fixedly connected to connecting rods (8), and the side surface of the connecting rod (8) is rotatably connected to a pedal (9).

5. The resistance-adjustable fitness vehicle according to claim 1, characterized in that: The upper surface of the bottom plate (7) is fixedly connected to a support frame (11), and the upper surface of the support frame (11) is fixedly connected to a handle (10).

6. The resistance-adjustable fitness bike according to claim 1, characterized in that: An anti-sliding block (27) is fixedly connected to the lower surface of the bottom plate (7), and anti-slip grooves (28) are provided on the anti-sliding block (27).

7. The resistance-adjustable fitness vehicle according to claim 1, characterized in that: A support rod (6) is fixedly connected to the upper surface of the bottom plate (7), and the other end of the support rod (6) is fixedly connected to the side surface of the pillar (5).

8. The resistance-adjustable fitness vehicle according to claim 1, characterized in that: The upper end of the extrusion slide rod (21) is fixedly connected to a pad (19), and the upper surface of the pad (19) is fixedly connected to a seat cushion (18).

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