A fitness bike and a control method for simulating slope linkage

Abstract

This application relates to the field of fitness equipment technology, specifically an exercise bike and a control method for simulating incline linkage. The exercise bike includes: a base, a frame rotatably connected to the base, allowing the frame to adjust its incline posture relative to the base; a flywheel mounted on the frame; a transmission component disposed on the frame and transmitted to the flywheel; a resistance adjustment component disposed on the frame for adjusting the resistance of the flywheel and / or the transmission component; a first drive component connected to the frame for driving the frame to adjust its incline posture relative to the base; and a linkage control module, with both the first drive component and the resistance adjustment component connected to the linkage control module. This disclosure, through the rotatable connection between the frame and the base, and the connection of the first drive component to the frame, allows the rider to experience the sensation of leaning back and heavier pedaling when going uphill, and leaning forward and lighter pedaling when going downhill, both indoors. This solves the problem of distorted experience caused by existing exercise bikes that only adjust resistance without adjusting posture.

Description

Technical Field

[0001] This application relates to the field of fitness equipment technology, and in particular to a control method for a fitness bike and a simulated incline linkage. Background Technology

[0002] Existing exercise bikes feature adjustable resistance to simulate cycling loads at different inclines. However, simply adjusting the climbing resistance cannot simulate the changes in bike posture during real cycling, resulting in a poor user experience. Summary of the Invention

[0003] In view of this, this application provides a control method for a fitness bike and a simulated incline linkage, which is used to solve the problem of synchronous linkage between changes in bike frame posture and increases / decreases in resistance.

[0004] According to a first aspect of this application, an exercise bike is provided, comprising: a base; The frame is rotatably connected to the base, allowing the frame to adjust its slope relative to the base. A flywheel is rotatably mounted on the frame; A transmission component is mounted on the vehicle frame and is drive-connected to the flywheel; A resistance adjustment assembly, disposed on the frame, is used to adjust the resistance of the flywheel and / or the transmission components; A first drive assembly is connected to the frame and is used to drive the frame to adjust its slope attitude relative to the base; The linkage control module is connected to both the first drive component and the resistance adjustment component.

[0005] In one possible implementation, the frame is movably provided with armrests and a seat; Along the direction from the armrest to the seat, a first hinge end, a second hinge end, and a third hinge end are sequentially spaced apart on the base; The vehicle frame is hinged to the first hinge end and the second hinge end, one end of the first drive assembly is hinged to the third hinge end, and the other end of the first drive assembly is hinged to the vehicle frame.

[0006] In one possible implementation, the frame includes a telescopic frame, a support frame, and a connecting frame; One end of the telescopic frame is hinged to the first hinge end, and the other end extends away from the base. One end of the support frame is hinged to the second hinge end, and the other end extends away from the base. The first end of the connecting frame extends toward the first driving component and is connected to the support frame; the second end of the connecting frame extends toward the telescopic frame; and the other end of the telescopic frame is hinged to the connecting frame. The other end of the first drive assembly is hinged to the support frame or the connecting frame; The first drive component can drive the support frame or the connecting frame to swing relative to the base, so as to drive the telescopic frame to swing and extend synchronously.

[0007] In one possible implementation, the frame further includes: a support frame disposed on the support frame and / or the connecting frame, the support frame extending toward the telescopic frame; The resistance adjustment assembly and the flywheel are mounted on the support frame.

[0008] In one possible implementation, the support frame includes: a suspension disposed on the support frame and / or the connecting frame and extending toward the telescopic frame, wherein the flywheel is disposed at the end of the suspension near the telescopic frame; A fixed frame, the two ends of which are fixedly connected to the suspension and the connecting frame, respectively.

[0009] In one possible implementation, the flywheel is a metal wheel or the flywheel has a metal portion; The resistance adjustment assembly includes an adjustment frame, a permanent magnet, and a second drive assembly; The adjustment frame is hinged or slidably connected to the vehicle frame, and the permanent magnet is disposed on the adjustment frame; The second drive assembly is disposed on the vehicle frame, and the drive end of the second drive assembly is connected to the adjustment frame.

[0010] In one possible implementation, the adjustment frame includes a frame body and a wheel cover, one end of the frame body being hinged to the frame and the other end of the frame body extending toward the flywheel; The wheel cover is disposed at the end of the frame body near the flywheel, the wheel cover is disposed adjacent to the flywheel, the frame body and the wheel cover have an opening on the side facing the flywheel, and the permanent magnet is disposed on the inner wall of the wheel cover and / or the frame body.

[0011] In one possible implementation, the second drive assembly includes: a second drive member disposed on the frame, the second drive member having a pivot; A rotating component connected to the shaft of the second driving component; The rotating component is provided with a mounting part, and the mounting part is eccentrically arranged relative to the rotating shaft. One end of the connecting rod is hinged to the mounting part, and the other end of the connecting rod is connected to the adjusting frame.

[0012] In one possible implementation, the telescopic frame includes two spaced-apart and oppositely arranged telescopic supports, which are respectively located on both sides of the connecting frame. One end of each of the two telescopic supports is hinged to the connecting frame, and the other end of each of the two telescopic supports is hinged to the first hinged end. The flywheel is disposed between the two telescopic supports.

[0013] In one possible implementation, the first hinge end includes two first hinge portions, which are located on both sides of the flywheel and are used to hinge to the other end of the telescopic bracket. The telescopic support includes a first telescopic component, a second telescopic component, and a bushing; One end of the first telescopic member is hinged to the connecting frame, and the other end of the first telescopic member extends toward the first hinge portion; The bushing is ring-shaped, embedded in the first telescopic member, and located at the other end of the first telescopic member; One end of the second telescopic member is hinged to the first hinge portion, and the other end extends into the bushing, with the inner wall of the bushing in contact with the outer wall portion of the second telescopic member.

[0014] In one possible implementation, the first driving component includes: The first driving member is hinged to the third hinge end; The telescopic component has one end connected to the first driving component for transmission, and the other end of the telescopic component is hinged to the support frame.

[0015] In one possible implementation, the exercise bike further includes: a control panel disposed on the frame and electrically connected to the linkage control module; And / or, the vehicle frame is equipped with a slope sensor, which is electrically connected to the linkage control module.

[0016] The second aspect of this application proposes a control method for simulating incline linkage on an exercise bike, applied to the exercise bike described in the first aspect; the control method includes: The linkage control module controls the first drive component to drive the frame to swing relative to the base in a first direction to simulate an uphill posture, while simultaneously increasing the rotational resistance of the flywheel through the resistance adjustment component; or, The linkage control module controls the first drive component to make the frame swing in the opposite direction relative to the base in a first direction, while reducing the rotational resistance of the flywheel through the resistance adjustment component.

[0017] Implementing the embodiments of this application has the following beneficial effects: In this embodiment of the exercise bike, the frame and base are rotatably connected, the first drive assembly is connected to the frame, and the linkage control module is electrically connected to both the first drive assembly and the resistance adjustment assembly. When simulating an uphill climb, the linkage control module controls the first drive assembly to tilt the frame upwards, while the resistance adjustment assembly increases the rotational resistance of the flywheel. When simulating a downhill climb, the first drive assembly tilts the frame downwards, and the resistance adjustment assembly decreases the rotational resistance of the flywheel. By synchronizing the changes in frame posture with the riding resistance, the rider can experience the sensation of leaning back and heavier pedaling when going uphill, and leaning forward and lighter pedaling when going downhill, all while indoors. This solves the problem of distorted experience caused by existing exercise bikes that only adjust resistance without adjusting posture. Attached Figure Description

[0018] To more clearly illustrate the technical solutions in the embodiments of this application or the prior art, the drawings used in the description of the embodiments or the prior art will be briefly introduced below. Obviously, the drawings described below are some embodiments of this application. For those skilled in the art, other drawings can be obtained based on these drawings without creative effort.

[0019] Figure 1 A schematic diagram of the structure of the exercise bike in the embodiment of this application is shown. Figure 1 ; Figure 2 A schematic diagram of the structure of the exercise bike in the embodiment of this application is shown. Figure 2 ; Figure 3 An embodiment of this application is shown. Figure 2 A magnified view of a portion of the image; Figure 4 A schematic diagram of the structure of the exercise bike according to an embodiment of this application is shown. Figure 3 ; Figure 5 An embodiment of this application is shown. Figure 4 A magnified view of a portion of the image; Figure 6 This invention provides a schematic diagram of the exercise bike from another perspective, representing an embodiment of the exercise bike. Figure 7 A schematic diagram of the telescopic bracket in an embodiment of this application is shown; Figure 8 An embodiment of this application is shown. Figure 7 A magnified view of a portion of the image; Figure 9 An exploded schematic diagram of the telescopic support in an embodiment of this application is shown.

[0020] Figure label: 1. Exercise bike; 10. Base; 11. First hinge end; 111. First hinge part; 12. Second hinge end; 13. Third hinge end; 20. Chassis; 21. Telescopic frame; 211. Telescopic bracket; 2111. First telescopic component; 2112. Second telescopic component; 2113. Bushing; 22. Support frame; 23. Connecting frame; 24. Bearing frame; 241. Suspension; 242. Fixing frame 30. Flywheel; 40. Transmission components; 50. Resistance adjustment assembly; 51. Adjustment frame; 511. Frame body; 512. Wheel cover; 52. Permanent magnet; 53. Second drive assembly; 531. Second drive component; 532. Rotating component; 5321. Mounting part; 533. Connecting rod; 60. First drive assembly; 61. First drive component; 62. Telescopic component; 70. Linkage control module; 80. Handrail; 90. Seat; 100. Control panel. Detailed Implementation

[0021] To make the objectives, technical solutions, and advantages of the embodiments of this application clearer, the technical solutions of the embodiments of this application will be clearly and completely described below with reference to the accompanying drawings. Obviously, the described embodiments are only some embodiments of this application, not all embodiments. Based on the embodiments of this application, all other embodiments obtained by those skilled in the art without creative effort are within the scope of protection of this application.

[0022] Existing exercise bikes feature adjustable resistance to simulate cycling loads at different inclines. However, simply adjusting the climbing resistance cannot simulate the changes in bike posture during real cycling, resulting in a poor user experience.

[0023] Based on this, see Figures 1 to 9 As shown, an embodiment of the present invention provides an exercise bike 1, including: a base 10, a frame 20, a flywheel 30, a transmission component 40, a resistance adjustment component 50, a first drive component 60, and a linkage control module 70; The frame 20 is rotatably connected to the base 10, allowing the frame 20 to adjust its slope relative to the base 10. The flywheel 30 is rotatably mounted on the frame 20; The transmission component 40 is mounted on the frame 20 and is connected to the flywheel 30. A resistance adjustment assembly 50 is disposed on the frame 20 and is used to adjust the resistance of the flywheel 30 and / or the transmission component 40; The first drive assembly 60 is connected to the frame 20 and is used to drive the frame 20 to adjust its slope attitude relative to the base 10. The linkage control module 70, the first drive component 60, and the resistance adjustment component are all connected to the linkage control module 70.

[0024] Understandably, the base 10 is the ground support frame for the exercise bike 1, used to stably fix the body of the exercise bike 1 to the ground; The frame 20 is used to support the flywheel 30, transmission component 40, resistance adjustment component 50, first drive component 60, and linkage control module 70, etc., and the frame 20 is rotatably connected to the base 10; the flywheel 30 is used to provide rotational inertia, and the transmission component 40 transmits the rider's pedaling action to the flywheel 30; the resistance adjustment component 50 is used to apply variable damping to the flywheel 30; the first drive component 61 is used to drive the frame 20 to rotate relative to the base 10 to change the slope attitude; the linkage control module 70 is used to coordinate and control the linkage changes of resistance and attitude.

[0025] The base 10 is a rigid frame structure. The base 10 may include a front support leg and a rear support leg for stable placement on the ground. At the same time, a movable wheel may be set near the front support leg or the rear support leg so that the exercise bike 1 can be adjusted in position by the movable wheel. When the base 10 is placed on the ground, the movable wheel does not directly contact the ground. When it is necessary to move the exercise bike 1, lift one end of the bike, so that the movable wheel set at the other end contacts the ground. At this time, the exercise bike 1 can be pushed to move freely.

[0026] For example, the movable wheels are located near the front support feet of the base 10. When the exercise bike 1 needs to be moved, it is only necessary to lift the rear of the exercise bike 1 so that the movable wheels are in contact with the ground. By keeping the rear of the bike in a raised state and keeping the movable wheels in contact with the ground, the exercise bike 1 can be moved to the desired location.

[0027] The frame 20 is a long, narrow frame structure. The flywheel 30, transmission components 40, resistance adjustment assembly 50, first drive assembly 60, and linkage control module 70, among other related components, are all mounted on the frame 20. The frame 20 can be rotatably connected to the base 10 via a pivot or hinge structure, allowing the frame 20 to pitch and swing relative to the base 10 to simulate different slopes. For example, when the front of the frame 20 is raised and the seat 90 is lowered, such as when the handrail 80 on the frame 20 is higher than the seat 90, the frame 20 is in an upward posture, simulating climbing. Conversely, when the front of the frame 20 is lowered, making the seat 90 higher than the handrail 80, the frame 20 is in a downward posture, simulating descending.

[0028] The freewheel 30 is rotatably mounted on the frame 20. The transmission component 40 is disposed on the frame 20 and is connected to the freewheel 30 for transmission. The transmission component 40 may include a pedal crank (the pedal crank is a pedal component that rotates on the frame 20, usually located below the seat 90 for the rider to pedal) and a pulley and a belt. The pulley is fixedly connected to the pedal crank. The belt is sleeved on the outside of the rotating part of the freewheel 30 and the rotating part of the pulley. Correspondingly, the rotating part of the freewheel 30 and the rotating part of the pulley are provided with grooves so that the belt is embedded in the grooves. The rider pedals the crank to make the pulley rotate synchronously so that the belt drives the freewheel 30 to rotate, thereby realizing the transmission component 40 to transmit power to the freewheel 30. Alternatively, the transmission component 40 can also be a combination of a sprocket and a chain. The sprocket is fixedly connected to the pedal crank, and the chain is sleeved on the rotating part of the freewheel 30 and the rotating part of the sprocket. Correspondingly, gears are provided on the rotating part of the freewheel 30 and the rotating part of the sprocket. The gears mesh with the chain to transmit the rider's pedaling power to the freewheel 30 through the sprocket.

[0029] The resistance adjustment component 50 is set on the frame 20 and is used to adjust the resistance of the gear or transmission component 40. The resistance adjustment method can change the damping magnitude by magnetic control or friction, thereby changing the riding load.

[0030] The resistance adjustment component 50 can use magnetic control to change the riding load. In this embodiment, the resistance adjustment component 50 may include a permanent magnet bracket, an aluminum disc, and an adjustment motor. The aluminum disc is fixed to the side of the flywheel 30, the permanent magnet bracket is oscillatingly mounted on the frame 20 close to the aluminum disc, and the adjustment motor is connected to the permanent magnet bracket. By driving the permanent magnet bracket to oscillate, the relative position of the permanent magnet and the aluminum disc is changed, thereby altering the magnitude of the eddy current resistance. In this design, an aluminum flywheel 30 can be directly used instead of an aluminum disc.

[0031] The resistance adjustment component 50 can also use friction to change the riding load. In this embodiment, the resistance adjustment component 50 includes a friction plate and a drive mechanism. The friction plate is disposed at the drive end of the drive mechanism and extends to the side of the flywheel 30 and is disposed adjacent to the flywheel 30. The drive mechanism can press or move the friction plate on the drive end against the flywheel 30 to adjust the riding load by changing the friction force.

[0032] The drag adjustment component 50 can adjust the riding load independently without changing the pitch of the frame 20, or it can be linked to the pitch of the frame 20. When the frame 20 is in an upward position, the drag adjustment component 50 increases the drag to increase the riding load, thereby simulating climbing. Conversely, when the frame 20 is in a downward position, the drag is reduced to simulate descending.

[0033] The first drive assembly 60 is connected to the frame 20 via a transmission. The first drive assembly 60 may include an electric push rod, a linear motor, etc. One end of the first drive assembly 60 is hinged to the base 10, and the other end is hinged to the frame 20. The frame 20 is pushed or pulled by the telescopic action of a drive assembly to change the tilt angle of the frame 20, thereby adjusting the slope attitude of the frame 20 relative to the base 10. The first drive assembly 60 may be located at the rear of the base 10, with its telescopic end connected to the rear of the frame 20; or the first drive assembly 60 may be located at the front of the base 10, with its telescopic end connected to the front of the frame 20.

[0034] The linkage control module 70 can be a microcontroller, a single-chip microcomputer, a programmable logic controller, or a circuit module with control functions, or it can be a main control circuit board integrated into the control panel 100 of the exercise bike 1. The linkage control module 70 can be electrically connected to the first drive component 60 and the resistance adjustment component 50 respectively, and is used to coordinate the control of the posture and riding resistance of the frame 20. When the linkage control module 70 receives an uphill command, it controls the first drive component 60 to move, so that the frame 20 tilts upward relative to the base 10, and at the same time adjusts the resistance adjustment component 50 to increase the resistance; when it receives a downhill simulation command, it controls the first drive component 60 to move, so that the frame 20 tilts downward, and at the same time adjusts the resistance adjustment component 50 to decrease the resistance, thereby achieving synchronous changes in posture and resistance.

[0035] The exercise bike 1 proposed in this embodiment is rotatably connected to the base 10 via a frame 20. A first drive assembly 60 is connected to the frame 20, and a linkage control module 70 is electrically connected to both the first drive assembly 60 and the resistance adjustment assembly 50. When simulating an uphill climb, the linkage control module 70 controls the first drive assembly 60 to tilt the frame 20 upwards, while the resistance adjustment assembly 50 increases the rotational resistance of the flywheel 30. When simulating a downhill climb, the first drive assembly 60 drives the frame 20 downwards, and the resistance adjustment assembly 50 decreases the rotational resistance of the flywheel 30. By synchronizing the changes in the frame 20's posture with the cycling resistance, the rider can experience the sensation of leaning back and heavier pedaling when going uphill, and leaning forward and lighter pedaling when going downhill, even indoors. This solves the problem of distorted experience caused by existing exercise bikes that only adjust resistance without adjusting posture.

[0036] In one possible implementation, the frame 20 is movably provided with a handrail 80 and a seat 90; Along the direction from the armrest 80 to the seat 90, a first hinge end 11, a second hinge end 12 and a third hinge end 13 are sequentially spaced on the base 10. The frame 20 is hinged to the first hinge end 11 and the second hinge end 12, one end of the first drive assembly 60 is hinged to the third hinge end 13, and the other end of the first drive assembly 60 is hinged to the frame 20.

[0037] Understandably, both the handlebar 80 and the seat 90 are movably mounted on the frame 20. The handlebar 80 is located at the front of the frame 20 for the rider to grip, while the seat 90 is located at the rear of the frame 20 for the rider to sit on. Furthermore, both the handlebar 80 and the seat 90 are height-adjustable relative to the frame 20 to accommodate riders of different sizes, ensuring a comfortable riding posture.

[0038] Along the direction from the armrest 80 to the seat 90, that is, from front to back, a first hinge end 11, a second hinge end 12 and a third hinge end 13 are sequentially spaced on the base 10. The three hinge ends are arranged in a front-to-back interval on the base 10.

[0039] The frame 20 is hinged to the first hinge end 11 and the second hinge end 12, that is, the frame 20 is rotatably connected to the base 10 through two hinge points spaced apart front and rear. The frame 20 can adopt a pin hinge connection method, so that the frame 20 can pitch and swing relative to the base 10 about the axis of the first hinge end 11 and the second hinge end 12.

[0040] Specifically, two hinge holes can be provided at intervals at the lower end of the frame 20 to correspond to the first hinge end 11 and the second hinge end 12 of the base 10. Both the first hinge end 11 and the second hinge end 12 are provided with pins. The pins pass through the hinge holes of the frame 20 so that the frame 20 swings relative to the base 10 around the axis of the hinge shaft.

[0041] One end of the first drive assembly 60 is hinged to the third hinge end 13, and the other end of the first drive assembly 60 is hinged to the frame 20. The first drive assembly 60 is located between the frame 20 and the base 10 below the seat 90, and its two ends are also connected by a pin hinge, so that the first drive assembly 60 can swing adaptively during the extension and retraction process.

[0042] When the telescopic end of the first drive assembly 60 extends or retracts, it pushes or pulls the rear end of the frame 20 to swing. The frame 20 swings with the first hinge end 11 and the second hinge end 12 as hinge points, thereby changing the tilt angle of the frame 20. At the same time, the armrest 80 and the seat 90 rise and fall simultaneously to adjust the slope attitude of the frame 20.

[0043] The frame 20 is connected to the base 10 via a first hinge end 11 and a second hinge end 12 that are spaced apart, and can withstand dynamic loads during riding. The two ends of the first drive assembly 60 are connected to the base 10 and the rear of the frame 20, respectively. Using the rear of the frame 20 as a lever arm, the first drive assembly 60 can adjust the posture of the frame 20 with a small driving force. The handlebars 80 and the seat 90 swing together with the frame 20, and the rider's body posture is synchronized with the slope change of the frame 20, thus obtaining a more realistic riding experience.

[0044] In one possible implementation, the frame 20 includes a telescopic frame 21, a support frame 22, and a connecting frame 23; one end of the telescopic frame 21 is hinged to the first hinge end 11, and the other end extends away from the base 10. One end of the support frame 22 is hinged to the second hinge end 12, and the other end extends away from the base 10; The first end of the connecting frame 23 extends toward the first drive assembly 60 and is connected to the support frame 22. The second end of the connecting frame 23 extends toward the telescopic frame 21. The other end of the telescopic frame 21 is hinged to the connecting frame 23. The other end of the first drive assembly 60 is hinged to the support frame 22 or the connecting frame 23; The first drive component 60 can drive the support frame 22 or the connecting frame 23 to swing relative to the base 10, so as to drive the telescopic frame 21 to swing and extend synchronously.

[0045] Understandably, the telescopic frame 21 is located at the front of the base 10 and can extend and retract as the tilt angle of the frame 20 changes during the swing of the frame 20, so as to match the change in the attitude of the frame 20. One end of the telescopic frame 21 is hinged to the first hinge end 11 on the base 10 by a pin, and the other end extends away from the base 10 and is set at an angle to the base 10.

[0046] The support frame 22 is located in the middle of the base 10 and mainly serves to bear the load. The seat 90 is mounted on the support frame 22. One end of the support frame 22 is hinged to the second hinge end 12 of the base 10 by a pin, and the other end extends away from the base 10.

[0047] The connecting frame 23 connects the telescopic frame 21 and the support frame 22, and also serves a transmission function, causing the support frame 22 and the telescopic frame 21 to swing synchronously. The connecting frame 23 is located between the telescopic frame 21 and the support frame 22. The first end of the connecting frame 23 extends towards the first drive assembly 60 and connects to the support frame 22. The connection method can be welding or bolt fastening. The second end of the connecting frame 23 extends towards the telescopic frame 21, and the other end of the telescopic frame 21 is hinged to the connecting frame 23 by a pin. Thus, the support frame 22, the connecting frame 23, and the telescopic frame 21 are sequentially connected and driven to form a linked frame.

[0048] One end of the first drive assembly 60 is hinged to the third hinge end 13 on the base 10 by a pin, and the other end (telescopic end) of the first drive assembly 60 is hinged to the support frame 22 or the connecting frame 23 by a pin. The first drive assembly 60 is located between the support frame 22 and the base 10 below the seat 90.

[0049] When the first drive assembly 60 extends or retracts, it pushes the support frame 22 to swing around the second hinge end 12. The support frame 22 drives the telescopic frame 21 to swing together through the connecting frame 23. Since the two ends of the telescopic frame 21 are hinged to the base 10 and the connecting frame 23 respectively, the distance between the two ends of the telescopic frame 21 will change with the swing angle during the swing of the support frame 22. As a result, the length of the telescopic frame 21 will be lengthened or shortened accordingly, so that the frame 20 can adjust the slope attitude with the action of the first drive assembly 60.

[0050] In some embodiments, the telescopic frame 21 and the support frame 22 are arranged parallel to each other and both extend toward the third hinge end 13, forming an angle with the base 10. When the first drive assembly 60 pushes the support frame 22 to swing around the second hinge end 12, the support frame 22 directly drives the telescopic frame 21 to swing synchronously around the first hinge end 11 via the connecting frame 23, and the two always maintain a parallel relationship. Because they are parallel, the telescopic frame 21 can naturally extend and retract while following the swing.

[0051] In one possible implementation, the armrest 80 is located at the second end of the connecting frame 23; the seat 90 is located at the other end of the support frame 22.

[0052] Understandably, an assembly part is provided at the second end of the connecting frame 23, and the handrail 80 is movably mounted on the assembly part; The assembly part can be an assembly cylinder, with a support rod at the lower end of the handrail 80, and the support rod passing through the assembly cylinder; The assembly cylinder is equipped with a first abutment, one end of which extends through the cylinder wall and perpendicular to the support rod. The end of the first abutment extending into the assembly cylinder abuts against the support rod. The first abutment and the assembly cylinder can be threaded together. The first abutment has an external thread, and the cylinder wall of the assembly cylinder has an internal thread hole. The two are screwed together. When the first abutment is loosened, the height of the handlebar 80 relative to the assembly cylinder can be adjusted to improve the rider's grip comfort.

[0053] Furthermore, the seat 90 can be height-adjusted relative to the support frame 22 to improve the rider's riding posture.

[0054] The support frame 22 can be a hollow structure in the middle. The lower end of the seat 90 passes through the support frame 22. A second abutment is provided at the position of the support frame 22 near the seat 90. The second abutment passes through the support frame 22 and is threaded to the outer wall of the support frame 22. The height of the seat 90 can be adjusted by screwing the second abutment to tighten or loosen the seat 90.

[0055] In one possible implementation, the frame 20 also includes a support frame 24 disposed on the support frame 22 and / or the connecting frame 23, the support frame 24 extending toward the telescopic frame 21; the drag adjustment assembly 50 and the flywheel 30 are disposed on the support frame 24.

[0056] Understandably, the support frame 24 provides a mounting base for the flywheel 30 and the resistance adjustment assembly 50. One end of the support frame 24 is fixedly connected to the support frame 22 or the connecting frame 23, or simultaneously to both the support frame 22 and the connecting frame 23, by welding or bolting. The other end of the support frame 24 extends towards the telescopic frame 21, reaching the front area of ​​the frame 20, and the flywheel 30 can be mounted at the other end of the support frame 24. The flywheel 30 rotates flexibly relative to the support frame 24. The resistance adjustment assembly 50 can also be mounted on the support frame 24, located near the flywheel 30, to apply adjustable resistance to the flywheel 30. The support frame 24 swings together with the support frame 22 and the connecting frame 23.

[0057] When simulating going uphill, the linkage control module 70 controls the retraction end of the first drive component 60 to retract, and the first drive component 60 uses the third hinge end 13 as the fulcrum to pull the support frame 22 to swing around the second hinge end 12 toward the third hinge end 13, that is, the rear and lower part of the frame 20 swings.

[0058] The support frame 22 transmits the action to the telescopic frame 21 through the connecting frame 23. The telescopic frame 21 swings (swings backward and downward) around the first hinge end 11 toward the second hinge end 12. The telescopic frame 21 will extend during the swinging process so that the telescopic frame 21 always remains parallel to the support frame 22.

[0059] At this time, the rear end of the frame 20 is lowered and the front end is raised, and the whole frame is in an upward angle posture. At the same time, the linkage control module 70 controls the resistance adjustment component 50 to increase the resistance of the flywheel 30, so as to increase the rider's pedaling load and shift the body's center of gravity backward, forming an uphill riding feel.

[0060] When simulating a downhill slope, the linkage control module 70 controls the first drive component 60 to extend, and the first drive component 60 uses the third hinge end 13 as a fulcrum to push the support frame 22 to swing forward and upward around the second hinge end 12. The support frame 22 drives the telescopic frame 21 to swing around the first hinge end 11 toward the front end of the vehicle frame 20 through the connecting frame 23. The telescopic frame 21 will shorten during the swinging process so that the telescopic frame 21 always remains parallel to the support frame 22.

[0061] At this time, the rear end of the frame 20 is raised and the front end is lowered, and the frame 20 is in a downward angle posture. At the same time, the linkage control module 70 controls the resistance adjustment component 50 to reduce the resistance of the flywheel 30, so as to reduce the rider's pedaling load, and the rider's body center of gravity shifts forward, forming a downhill riding feel.

[0062] In one possible implementation, the support frame 24 includes a suspension 241 and a fixing frame 242; The suspension 241 is mounted on the support frame 22 and / or the connecting frame 23 and extends toward the telescopic frame 21. The flywheel 30 is mounted on the end of the suspension 241 near the telescopic frame 21. The two ends of the fixed frame 242 are fixedly connected to the suspension 241 and the connecting frame 23, respectively.

[0063] Understandably, one end of the suspension 241 is fixedly mounted on the support frame 22, or on the connecting frame 23, or simultaneously on both the support frame 22 and the connecting frame 23. The fixing method can be welding or bolt connection. The other end of the suspension 241 extends towards the telescopic frame 21, and a flywheel 30 is installed at the other end of the suspension 241. The flywheel 30 is rotatably mounted at the end of the suspension 241 near the telescopic frame 21.

[0064] One end of the fixed frame 242 is fixed to the middle of the suspension 241 or near the connection between the suspension 241 and the support frame 22, and the other end is fixed to the connecting frame 23. Similarly, the fixing method between the fixed frame 242 and the suspension 241 and the connecting frame 23 can be welding or bolting. The fixed frame 242 is used to support and reinforce the suspension 241 and establish a load transfer path, transferring the load of the suspension 241 to the connecting frame 23 to enhance the load-bearing strength and stability of the suspension 241. Furthermore, the two ends of the fixed frame 242 are connected to the suspension 241 and the connecting frame 23 respectively, forming a triangular support structure, thereby improving the bending and torsional resistance of the suspension 241. Vibrations and loads during the rotation of the flywheel 30 and the resistance adjustment process are distributed and transferred through the suspension 241 and the fixed frame 242, resulting in a stable and reliable overall structure.

[0065] In one possible implementation, the flywheel 30 is a metal wheel or the flywheel 30 is provided with a metal part; The resistance adjustment assembly 50 includes an adjustment frame 51, a permanent magnet 52, and a second drive assembly 53; The adjustment frame 51 is hinged or slidably connected to the frame 20, and the permanent magnet 52 is disposed on the adjustment frame 51; The second drive assembly 53 is disposed on the frame 20, and the drive end of the second drive assembly 53 is connected to the adjustment frame 51.

[0066] Understandably, the flywheel 30 is a metal wheel or has a metal part on its side or a metal part on its peripheral edge. The metal wheel or metal part can be made of aluminum alloy or copper alloy and is used to generate eddy current resistance in the magnetic field.

[0067] The resistance adjustment assembly 50 includes an adjustment frame 51, a permanent magnet 52, and a second drive assembly 53. The adjustment frame 51 is hinged or slidably connected to the frame 20, allowing the adjustment frame 51 to move relative to the frame 20.

[0068] Specifically, the adjustment frame 51 can be hinged to the support frame 24 or suspension 241 of the frame 20 via a pin, and swing around the hinge point. Alternatively, a slide rail is provided on the frame 20, and a corresponding slider is assembled on the adjustment frame 51, so that the adjustment frame 51 is slidably connected to the frame 20 via the slide rail and can move along the predetermined direction of the slide rail. The permanent magnet 52 is fixedly mounted on the adjustment frame 51. The permanent magnet 52 can be one or more permanent magnets. The position of the permanent magnet 52 is opposite to the metal part on the flywheel 30 or the metal wheel, with a gap between them.

[0069] The second drive assembly 53 is mounted on the frame 20, for example, fixed to the carrier frame 24 or the suspension 241. The drive end of the second drive assembly 53 is connected to the adjustment frame 51 and is used to drive the adjustment frame 51 to move.

[0070] The second drive assembly 53 can be a linear motor, a rotary shaft motor, an electric push rod, etc. The drive end is connected to the adjustment frame 51 by hinge, threaded connection or welding, so as to transmit the power of the second drive assembly 53 to the adjustment frame 51.

[0071] During operation, the second drive assembly 53 receives instructions from the linkage control module 70 and drives the adjustment frame 51 to move relative to the frame 20, thereby changing the relative position of the permanent magnet 52 and the metal part or metal wheel of the flywheel 30. When the permanent magnet 52 approaches the metal part or metal wheel of the flywheel 30, the range of magnetic lines of force passing through the metal part increases or the gap between them decreases, or the range of magnetic lines of force passing through the metal wheel increases or the gap between them decreases. When the metal wheel or flywheel 30 rotates, the eddy currents generated by the metal part cutting the magnetic lines of force are enhanced, and the resistance increases; when the permanent magnet 52 moves away from the metal part of the metal wheel or flywheel 30, the resistance decreases.

[0072] In one possible implementation, the adjustment frame 51 includes a frame body 511 and a wheel cover 512, with one end of the frame body 511 hinged to the frame 20 and the other end of the frame body 511 extending toward the flywheel 30. The wheel cover 512 is disposed at the end of the frame body 511 near the flywheel 30. The wheel cover 512 is disposed adjacent to the flywheel 30. The frame body 511 and the wheel cover 512 have an opening on the side facing the flywheel 30. The permanent magnet 52 is disposed on the inner wall of the wheel cover 512 and / or the frame body 511.

[0073] Understandably, the frame body 511 is a long strip-shaped component. One end of the frame body 511 is hinged to the suspension 241 of the support frame 24 by a pin. The hinge point is located above or to the side of the flywheel 30. The other end of the frame body 511 extends towards the flywheel 30 and is adjacent to the flywheel 30.

[0074] The frame body 511 may have an opening facing the flywheel 30. The frame body 511 can be mounted on the outside of the flywheel 30 through the opening, which makes the structure of the flywheel 30 and the adjustment frame 51 more compact.

[0075] The wheel cover 512 is located at the end of the frame body 511 near the flywheel 30. The wheel cover 512 can be detachably connected to the frame body 511 by means of clips, bolts, or sliding grooves. The wheel cover 512 can also be welded to the frame body 511 or integrally formed. The wheel cover 512 is arranged adjacent to the flywheel 30, with a gap between the wheel cover 512 and the flywheel 30 to avoid interference with the rotation of the flywheel 30.

[0076] The wheel cover 512 has an opening on the side facing the flywheel 30. The wheel cover 512 has a shell-like structure with one open side, which can cover part of the flywheel 30. The opening of the wheel cover 512 faces the side or edge of the flywheel 30. Permanent magnets are disposed on the inner wall of the wheel cover 512 and / or the frame body 511. That is, permanent magnets 52 are fixedly provided on the inner side of the wheel cover 512 facing the opening and / or on the inner side of the frame body 511 facing the opening. The permanent magnets 52 are spaced apart from the edge and / or side of the flywheel 30 through the opening.

[0077] The drive end of the second drive assembly 53 is connected to the frame body 511, driving the frame body 511 to swing around its hinge point with the frame 20. When the adjustment frame 51 swings, the wheel cover 512 and the permanent magnet 52 disposed on the inner wall of the wheel cover 512 move together to move closer to or away from the flywheel 30. The opening of the wheel cover 512 allows the permanent magnet 52 to approach the metal part of the flywheel 30 or the metal flywheel body from the side of the flywheel 30, achieving a partial overlap effect, thereby increasing the effective area. Furthermore, the wheel cover 512 also protects the permanent magnet, reducing external contact or interference from foreign objects.

[0078] In one possible implementation, the second drive assembly 53 includes a second drive member 531 disposed on the frame 20, the second drive member 531 having a pivot. Rotating component 532 is connected to the rotating shaft of the second driving component 531; The rotating component 532 is provided with a mounting part 5321, which is eccentrically arranged relative to the rotating shaft. One end of the connecting rod 533 is hinged to the mounting part 5321, and the other end of the connecting rod 533 is connected to the adjusting frame 51.

[0079] Understandably, the second drive component 531 is mounted on the frame 20, and can be mounted on the fixed frame 242 or the suspension 241 of the carrier frame 24, or on the support frame 22.

[0080] The second driving component 531 can drive the rotating shaft to rotate. The second driving component 531 can be a motor, such as a stepper motor or a geared motor.

[0081] The rotating component 532 can rotate synchronously with the rotating shaft. The rotating component 532 is provided with a mounting part 5321, which is located off-center from the center of the rotating shaft, that is, the mounting part 5321 is eccentrically arranged relative to the rotating shaft. The rotating component 532 can be in the form of a disc, crank, or cam, etc., and the mounting part 5321 is a pin hole or a protruding pin formed on the rotating component 532.

[0082] One end of the connecting rod 533 is hinged to the mounting part 5321, and can be rotatably connected by a pin. The other end of the connecting rod 533 is connected to the adjusting frame 51, specifically, the other end of the connecting rod 533 can be connected to the frame body 511 or the wheel cover 512.

[0083] The linkage control module 70 sends a control signal to the second drive component 531, causing the shaft of the second drive component 531 to rotate, which in turn drives the rotating component 532 to rotate.

[0084] The mounting portion 5321 on the rotating component 532 rotates in a circular motion around the axis. Due to the eccentric setting of the mounting portion 5321, its motion trajectory drives one end of the connecting rod 533 to perform a push-pull reciprocating motion. The other end of the connecting rod 533 transmits the push-pull motion to the adjusting frame 51, thereby driving the adjusting frame 51 to swing around its hinge point with the frame 20. The permanent magnet 52 set on the adjusting frame 51, or the permanent magnet 52 set on the inner wall of the wheel cover 512, swings together to move closer to or away from the metal part of the flywheel 30, thereby adjusting the resistance of the flywheel 30 rotation.

[0085] The rotational motion of the second drive member 531 is converted into the swing of the adjustment frame 51 by the transmission chain consisting of the rotating member 532, the eccentrically set mounting part 5321 and the connecting rod 533. The eccentrically set mounting part 5321 makes the swing stroke of the adjustment frame 51 correspond to the rotation angle of the shaft. By controlling the rotation angle of the shaft, the relative position of the permanent magnet 52 and the flywheel 30 can be precisely adjusted to achieve the effect of precise resistance adjustment.

[0086] In one possible implementation, the telescopic frame 21 includes two telescopic supports 211 spaced apart and arranged opposite to each other. The two telescopic frames 21 are located on both sides of the connecting frame 23. One end of the two telescopic supports 211 is hinged to the connecting frame 23, and the other end of the two telescopic supports 211 is hinged to the first hinge end 11. The flywheel 30 is disposed between the two telescopic supports 211.

[0087] Understandably, the two telescopic brackets 211 are respectively set on the left and right sides of the connecting frame 23, and are arranged symmetrically.

[0088] One end of each telescopic bracket 211 is hinged to the connecting frame 23, specifically by means of a pin and a hinge hole opened in the connecting frame 23. The other end of the telescopic bracket 211 is hinged to the first hinge end 11 on the base 10. The first hinge end 11 includes two first hinge parts 111, which correspond to the other end of the telescopic bracket 211 respectively and are hinged by means of pins.

[0089] The flywheel 30 is located between the two telescopic supports 211 and can be extended between the two telescopic supports 211 through the suspension 241 of the support frame 24. The flywheel 30 is rotatably mounted on the end of the suspension 241 near the telescopic support 211 so that the overall structure of the exercise bike 1 is compact.

[0090] Both telescopic brackets 211 extend obliquely toward the third hinge end 13, forming an angle with the base 10. When the first drive assembly 60 drives the support frame 22 to swing, the support frame 22 simultaneously drives the telescopic brackets 211 on both sides to swing synchronously through the connecting frame 23. The two telescopic brackets 211 can adaptively extend and retract during the swing to maintain consistency with the movement of the support frame 22 and always remain parallel to the support frame 22. By arranging the two telescopic brackets 211 at intervals and symmetrically, the force on the front of the frame 20 is evenly distributed. Furthermore, the two telescopic brackets 211 are located on both sides of the connecting frame 23 and are hinged to the connecting frame 23, which also ensures that the connecting frame 23 is evenly stressed on both sides when transmitting power, thus ensuring a smooth swing process.

[0091] The connecting frame 23 can have through holes that can pass through both sides, and a pin can pass through the through holes so that the ends of the telescopic brackets 211 on both sides of the connecting frame 23 are hinged to the pin.

[0092] In one possible implementation, the first hinge end 11 includes two first hinge portions 111, which are located on both sides of the flywheel 30 and are used to hinge with the other end of the telescopic bracket 211. The telescopic bracket 211 includes a first telescopic component 2111, a second telescopic component 2112, and a bushing 2113; One end of the first telescopic member 2111 is hinged to the connecting frame 23, and the other end of the first telescopic member 2111 extends toward the first hinge portion 111; The bushing 2113 is ring-shaped, embedded in the first telescopic member 2111, and located at the other end of the first telescopic member 2111; One end of the second telescopic member 2112 is hinged to the first hinge part 111, and the other end extends into the bushing 2113, with the inner wall of the bushing 2113 in contact with the outer wall of the second telescopic member 2112.

[0093] Understandably, the first hinge end 11 includes two first hinge parts 111. The two first hinge parts 111 are symmetrically arranged on the left and right and spaced apart at the front of the base 10. The positions of the two first hinge parts 111 correspond one-to-one with the two telescopic brackets 211.

[0094] The telescopic bracket 211 includes a first telescopic member 2111, a second telescopic member 2112, and a bushing 2113. The first telescopic member 2111 is a hollow tubular or cylindrical structure, and the internal cavity of the first telescopic member 2111 is used to accommodate the bushing 2113 and the second telescopic member 2112.

[0095] The bushing 2113 is embedded in the inner wall of the end of the first telescopic member 2111. The bushing 2113 may be made of wear-resistant material, such as copper alloy or engineering plastic. The bushing 2113 and the first telescopic member 2111 are interference fit or fixed by a snap ring to prevent the bushing 2113 from loosening during use.

[0096] The inner wall of bushing 2113 and the outer wall of the second telescopic member 2112 can be clearance fit, and the clearance is controlled within a range that allows for smooth sliding without significant shaking, for example, between 0.05mm and 0.2mm.

[0097] The bushing 2113 guides the telescopic movement of the second telescopic member 2112, and may have protruding ridges on its inner wall. These ridges contact the outer wall of the second telescopic member 2112, reducing the contact area between them and thus decreasing friction. Furthermore, the bushing 2113 reduces direct friction between the first telescopic member 2111 and the second telescopic member 2112.

[0098] One end of the second telescopic member 2112 is hinged to the first hinge portion 111, and the other end extends into the bushing 2113. When the attitude of the frame 20 is adjusted, the first telescopic member 2111 moves with the connecting frame 23, and the second telescopic member 2112 swings around the first hinge portion 111, resulting in relative sliding between the two.

[0099] The bushing 2113 can cover the overlapping section of the first telescopic member 2111 and the second telescopic member 2112 in the length direction. Even when the telescopic bracket 211 is in the extreme telescopic position, the second telescopic member 2112 still maintains sufficient guide length within the bushing 2113 to avoid jamming or detachment.

[0100] The other end of the second telescopic member 2112 can pass through the bushing 2113 and extend directly into the first telescopic member 2111. A limiting member is provided around the outer periphery of the other end. When the telescopic bracket 211 is stretched, the first telescopic member 2111 moves relative to the second telescopic member 2112. When the limit length of the stretched bracket is reached, the limiting member of the second telescopic member 2112 can abut against the end of the bushing 2113 to achieve a limiting effect and prevent the second telescopic member 2112 from coming out of the first telescopic member 2111.

[0101] In one possible implementation, the first drive assembly 60 includes: a first drive member 61, hinged to a third hinge end 13; a telescopic assembly 62, one end of which is connected to the first drive member 61, and the other end of which is hinged to the support frame 22.

[0102] Understandably, the first driving component 61 can be a motor-driven lead screw and nut mechanism, an electric cylinder, or a linear motor; The fixed end of the first driving member 61 is rotatably connected to the third hinge end 13 via a pin, and the output end of the first driving member 61 can perform linear extension or rotational movement.

[0103] One end of the telescopic component 62 is connected to the first driving component 61. If the first driving component 61 is an electric cylinder or a linear motor, the telescopic component 62 is the piston rod of the electric cylinder or the moving part of the linear motor, and the two can be an integral part.

[0104] If the first driving component 61 is a motor-driven lead screw and nut mechanism, the telescopic component 62 is a push rod fixed to the lead screw and nut. The rotation of the motor drives the lead screw to rotate, and the nut moves along the lead screw, thereby causing the telescopic component 62 to extend and retract.

[0105] The first driving component 61 can also be a geared motor, the output shaft of which is connected to the telescopic assembly 62 via a transmission connection. The other end of the telescopic assembly 62 is hinged to the support frame 22. The telescopic assembly 62 includes a first sleeve and a second sleeve, which are threadedly connected. For example, the inner wall of the first sleeve has an internal thread, and the outer wall of the second sleeve has an external thread, which are screwed together.

[0106] The geared motor is fixedly installed at the third hinge end 13 at the rear of the base 10, or the geared motor body is hinged to the third hinge end 13. The output end of the geared motor is connected to the first sleeve via a transmission connection, which can be a gear meshing connection. A driven gear is provided at the end of the first sleeve, and a driving gear is provided at the output end of the geared motor, so that the two mesh to achieve transmission.

[0107] The end of the second sleeve is hinged to the support frame 22. When the geared motor rotates, it drives the first sleeve to rotate, and through the threaded transmission, the second sleeve extends or retracts relative to the first sleeve, thereby pushing or pulling the support frame 22 to swing and adjust the attitude of the frame 20.

[0108] Alternatively, the first sleeve can be replaced with a lead screw. The telescopic assembly 62 includes a lead screw and a second sleeve. The lead screw has an external thread, and the second sleeve has an internal thread. The lead screw passes through the second sleeve and is threadedly connected to the second sleeve.

[0109] The lead screw is directly fixed to the output end of the geared motor, or it is connected by meshing through a gear set, etc. The geared motor outputs a low-speed, high-torque rotary motion, which is then converted into the linear extension and retraction of the telescopic component 62 as a whole through the transmission structure such as the lead screw or the first sleeve, thereby pushing or pulling the support frame 22 to swing and adjust the attitude of the frame 20.

[0110] The threaded connection between the first sleeve and the second sleeve, or the threaded connection between the lead screw and the second sleeve, enables the telescopic assembly 62 to have a self-locking function, which can keep the frame 20 stable after the reduction motor stops rotating.

[0111] Furthermore, the other end of the telescopic component 62 is hinged to the rear of the support frame 22. A hinge hole is provided at this end of the telescopic component 62, and a hinge seat is provided at the corresponding position of the support frame 22. The two are hinged by a pin. When the first driving member 61 extends or retracts, the telescopic component 62 pushes or pulls the support frame 22, causing the support frame 22 to swing around the second hinge end 12.

[0112] The first drive component 61 uses the third hinge end 13 as the fulcrum, and the telescopic component 62 acts directly on the support frame 22. The telescopic stroke of the first drive component 61 corresponds to the swing angle of the support frame 22. The slope attitude of the frame 20 can be precisely adjusted by controlling the telescopic amount.

[0113] In one possible implementation, the exercise bike 1 further includes: a control panel 100 disposed on the frame 20 and electrically connected to the linkage control module 70; and / or, the frame is provided with an incline sensor electrically connected to the linkage control module 70.

[0114] Understandably, the control panel 100 is located on the frame 20, for example, near the handlebar 80 or at the front of the frame 20, to facilitate operation by the rider.

[0115] The control panel 100 is electrically connected to the linkage control module 70, and is used to receive user input commands such as riding mode, simulated gradient value, or resistance level, and transmit the commands to the linkage control module 70. Based on the input signals from the control panel 100, the linkage control module 70 coordinates and controls the first drive component 60 and the resistance adjustment component 50 to perform corresponding actions.

[0116] In one possible implementation, the exercise bike 1 also includes an incline sensor. The incline sensor is mounted on the frame 20, specifically at the hinge point between the frame 20 and the base 10, on the support frame 22, or on the connecting frame 23.

[0117] The inclination sensor is used to detect the tilt angle of the frame 20 relative to the horizontal plane or the base 10. The inclination sensor is electrically connected to the linkage control module 70 and feeds back the detected tilt angle signal to the linkage control module 70. The linkage control module 70 performs closed-loop control of the first drive component 60 based on the tilt angle feedback to ensure that the attitude of the frame 20 is adjusted in place.

[0118] The control panel 100 and the slope sensor can be set individually or in combination. When set in combination, the user inputs the target slope through the control panel 100, which triggers the linkage control module 70 to drive the first drive component 60 to adjust the attitude of the frame 20. At the same time, the slope sensor provides real-time feedback of the tilt angle, forming a complete control closed loop from command input to attitude execution and then to detection feedback, thereby improving the accuracy and reliability of attitude adjustment.

[0119] In a second aspect, this disclosure provides a control method for simulating incline linkage on an exercise bike 1, applied to the exercise bike 1 described in the first aspect; the control method includes: The linkage control module 70 controls the first drive assembly 60 to drive the frame 20 to swing relative to the base 10 in a first direction to simulate an uphill posture, while increasing the rotational resistance of the flywheel 30 through the resistance adjustment component; or, the linkage control module 70 controls the first drive assembly 60 to make the frame 20 swing in the opposite direction relative to the base 10 in the first direction, while reducing the rotational resistance of the flywheel 30 through the resistance adjustment component.

[0120] Understandably, during the simulated uphill process, the linkage control module 70 controls the first drive component 60 to move, causing the frame 20 to swing relative to the base 10 in a first direction. The first direction refers to the front end of the frame 20 lifting up and the rear end lowering, with the frame 20 at an upward angle, corresponding to the vehicle's posture when going uphill.

[0121] Taking the first drive assembly 60 as an electric cylinder, with its rear end hinged to the third hinge end 13 at the rear of the base 10 and its front end hinged to the support frame 22 as an example, when the first drive assembly 60 is shortened, it pulls the support frame 22 to swing backward and downward around the second hinge end 12. The support frame 22 drives the telescopic frame 21 to swing synchronously through the connecting frame 23, and the telescopic frame 21 extends accordingly. The entire frame 20 completes the swing along the first direction.

[0122] Simultaneously, the linkage control module 70 controls the resistance adjustment component 50 to increase the rotational resistance of the flywheel 30. When the resistance adjustment component 50 adopts the permanent magnet eddy current method, the linkage control module 70 causes the second drive component 53 to drive the adjustment frame 51 to move closer to the flywheel 30. The overlap area between the permanent magnet 52 and the metal part of the flywheel 30 increases or the gap decreases, thus increasing the eddy current resistance. The increase in resistance and the tilting of the frame 20 occur simultaneously, making the rider's pedaling heavier and causing their body to lean back.

[0123] During the simulated downhill process, the linkage control module 70 controls the first drive component 60 to drive the frame 20 to swing in the opposite direction to the base 10 in the first direction. The front end of the frame 20 descends and the rear end rises, and the frame 20 is at a downward angle, corresponding to the vehicle posture when going downhill.

[0124] The first drive assembly 60 extends, pushing the support frame 22 to swing forward and upward around the second hinge end 12. The support frame 22 drives the telescopic frame 21 to swing synchronously via the connecting frame 23. The telescopic frame 21 then shortens, and the entire frame 20 completes the swing in the opposite direction.

[0125] Simultaneously, the linkage control module 70 controls the resistance adjustment component 50 to reduce the rotational resistance of the flywheel 30. The second drive component 53 drives the adjustment frame 51 to move away from the flywheel 30, reducing the overlap area or increasing the gap between the permanent magnet 52 and the metal part of the flywheel 30, thus decreasing eddy current resistance. The reduction in resistance and the downward tilting of the frame 20 occur simultaneously, making the rider's pedaling lighter and causing them to lean forward. Through the above control process, the exercise bike 1 can link the posture of the frame 20 with the rotational resistance of the flywheel 30 when simulating uphill and downhill driving.

[0126] In the description of the embodiments of this application, it should be noted that the terms "center," "longitudinal," "lateral," "upper," "lower," "front," "rear," "left," "right," "vertical," "horizontal," "top," "bottom," "inner," and "outer," etc., indicate the orientation or positional relationship based on the orientation or positional relationship shown in the accompanying drawings. They are only for the convenience of describing the embodiments of this application and simplifying the description, and do not indicate or imply that the device or element referred to must have a specific orientation, or be constructed and operated in a specific orientation. Therefore, they should not be construed as limitations on the embodiments of this application. In addition, the terms "first," "second," and "third" are used for descriptive purposes only and should not be construed as indicating or implying relative importance.

[0127] In the description of the embodiments of this application, it should be noted that, unless otherwise explicitly specified and limited, the terms "connected" and "linked" should be interpreted broadly. For example, they can refer to a fixed connection, a detachable connection, or an integral connection; they can refer to a mechanical connection or an electrical connection; they can refer to a direct connection or an indirect connection through an intermediate medium. Those skilled in the art can understand the specific meaning of the above terms in the embodiments of this application based on the specific circumstances.

[0128] In the embodiments of this application, unless otherwise expressly specified and limited, "above" or "below" the second feature can mean that the first feature is in direct contact with the second feature, or that the first feature is in indirect contact with the second feature through an intermediate medium. Furthermore, "above," "on top of," and "over" the second feature can mean that the first feature is directly above or diagonally above the second feature, or simply that the first feature is at a higher horizontal level than the second feature. "Below," "below," and "under" the second feature can mean that the first feature is directly below or diagonally below the second feature, or simply that the first feature is at a lower horizontal level than the second feature.

[0129] In the description of this specification, the references to terms such as "one embodiment," "some embodiments," "example," "specific example," or "some examples," etc., refer to specific features, structures, materials, or characteristics described in connection with that embodiment or example, which are included in at least one embodiment or example of the embodiments of this application. In this specification, the illustrative expressions of the above terms do not necessarily refer to the same embodiment or example. Furthermore, the specific features, structures, materials, or characteristics described may be combined in any suitable manner in one or more embodiments or examples. Moreover, without contradiction, those skilled in the art can combine and integrate the different embodiments or examples described in this specification, as well as the features of different embodiments or examples.

[0130] Finally, it should be noted that the above embodiments are only used to illustrate the technical solutions of this application, and are not intended to limit them. Although this application has been described in detail with reference to the foregoing embodiments, those skilled in the art should understand that modifications can still be made to the technical solutions described in the foregoing embodiments, or equivalent substitutions can be made to some of the technical features. Such modifications or substitutions do not cause the essence of the corresponding technical solutions to deviate from the spirit and scope of the technical solutions of the embodiments of this application.

Claims

1. A fitness bike, characterized in that, include: Base; The frame is rotatably connected to the base, allowing the frame to adjust its slope relative to the base. A flywheel is rotatably mounted on the frame; A transmission component is mounted on the vehicle frame and is drive-connected to the flywheel; A resistance adjustment assembly, disposed on the frame, is used to adjust the resistance of the flywheel and / or the transmission components; A first drive assembly is connected to the frame and is used to drive the frame to adjust its slope attitude relative to the base; The linkage control module is connected to both the first drive component and the resistance adjustment component.

2. The exercise bike according to claim 1, characterized in that, The frame is movably equipped with handrails and a seat; Along the direction from the armrest to the seat, a first hinge end, a second hinge end, and a third hinge end are sequentially spaced apart on the base; The vehicle frame is hinged to the first hinge end and the second hinge end, one end of the first drive assembly is hinged to the third hinge end, and the other end of the first drive assembly is hinged to the vehicle frame.

3. The exercise bike according to claim 2, characterized in that, The vehicle frame includes a telescopic frame, a support frame, and a connecting frame; One end of the telescopic frame is hinged to the first hinge end, and the other end extends away from the base. One end of the support frame is hinged to the second hinge end, and the other end extends away from the base. The first end of the connecting frame extends toward the first driving component and is connected to the support frame; the second end of the connecting frame extends toward the telescopic frame; and the other end of the telescopic frame is hinged to the connecting frame. The other end of the first drive assembly is hinged to the support frame or the connecting frame; The first drive component can drive the support frame or the connecting frame to swing relative to the base, so as to drive the telescopic frame to swing and extend synchronously.

4. The exercise bike according to claim 3, characterized in that, The chassis also includes: A support frame is disposed on the support frame and / or the connecting frame, and the support frame extends toward the telescopic frame; The resistance adjustment assembly and the flywheel are mounted on the support frame.

5. The exercise bike according to claim 4, characterized in that, The support frame includes: A suspension is provided on the support frame and / or the connecting frame and extends toward the telescopic frame, and the flywheel is provided at the end of the suspension near the telescopic frame; A fixed frame, the two ends of which are fixedly connected to the suspension and the connecting frame, respectively.

6. The exercise bike according to any one of claims 1 to 5, characterized in that, The flywheel is a metal wheel or the flywheel has a metal part; The resistance adjustment assembly includes an adjustment frame, a permanent magnet, and a second drive assembly; The adjustment frame is hinged or slidably connected to the vehicle frame, and the permanent magnet is disposed on the adjustment frame; The second drive assembly is disposed on the vehicle frame, and the drive end of the second drive assembly is connected to the adjustment frame.

7. The exercise bike according to claim 6, characterized in that, The adjustment frame includes a frame body and a wheel cover. One end of the frame body is hinged to the vehicle frame, and the other end of the frame body extends toward the flywheel. The wheel cover is disposed at the end of the frame body near the flywheel, the wheel cover is disposed adjacent to the flywheel, the frame body and the wheel cover have an opening on the side facing the flywheel, and the permanent magnet is disposed on the inner wall of the wheel cover and / or the frame body.

8. The exercise bike according to claim 7, characterized in that, The second driving component includes: A second drive component is disposed on the vehicle frame, and the second drive component has a pivot. A rotating component, connected to the rotating shaft of the second driving component; The rotating component is provided with a mounting part, which is eccentrically arranged relative to the rotating shaft. One end of the connecting rod is hinged to the mounting part, and the other end of the connecting rod is connected to the adjusting frame.

9. The exercise bike according to claim 3, characterized in that, The telescopic frame includes two telescopic supports spaced apart and arranged opposite to each other. The two telescopic supports are located on both sides of the connecting frame. One end of each of the two telescopic supports is hinged to the connecting frame, and the other end of each of the two telescopic supports is hinged to the first hinge end. The flywheel is disposed between the two telescopic supports.

10. The exercise bike according to claim 9, characterized in that, The first hinge end includes two first hinge parts, which are located on both sides of the flywheel and are used to hinge with the other end of the telescopic bracket. The telescopic support includes a first telescopic component, a second telescopic component, and a bushing; One end of the first telescopic member is hinged to the connecting frame, and the other end of the first telescopic member extends toward the first hinge portion; The bushing is ring-shaped, embedded in the first telescopic member, and located at the other end of the first telescopic member; One end of the second telescopic member is hinged to the first hinge portion, and the other end extends into the bushing, with the inner wall of the bushing in contact with the outer wall portion of the second telescopic member.

11. The exercise bike according to any one of claims 3 to 5, characterized in that, The first driving component includes: The first driving member is hinged to the third hinge end; The telescopic component has one end connected to the first driving component for transmission, and the other end of the telescopic component is hinged to the support frame.

12. The exercise bike according to any one of claims 1 to 5, characterized in that, The exercise bike also includes: The control panel is mounted on the vehicle frame and electrically connected to the linkage control module; And / or, the vehicle frame is equipped with a slope sensor, which is electrically connected to the linkage control module.

13. A control method for simulating incline linkage on an exercise bike, characterized in that, The exercise bike is applied to any one of claims 1 to 12; the control method includes: The linkage control module controls the first drive component to drive the frame to swing relative to the base in a first direction to simulate an uphill posture, while simultaneously increasing the rotational resistance of the flywheel through the resistance adjustment component; or, The linkage control module controls the first drive component to make the frame swing in the opposite direction relative to the base in a first direction, while reducing the rotational resistance of the flywheel through the resistance adjustment component.

Images