Spinning bike based on novel magnetic force
By using magnetic powder brakes and magnetic powder tension controllers in dynamic bicycles, the accuracy of resistance adjustment is achieved, and the problems of low resistance efficiency and muscle strain in existing dynamic bicycles are solved.
Patent Information
- Application Number
- CN202420348756.4
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- Filing Date
- 2024-02-23
- Publication Date
- 2025-02-25
- Estimated Expiration
- 2034-02-23
AI Technical Summary
Existing dynamic bicycles use flywheels as a resistance source, which have defects such as belt slippage, low resistance efficiency, noise, and belt loss. Improper operation can easily lead to leg muscle strain.
A dynamic bicycle based on new magnetic force was designed, using a magnetic powder brake as the resistance source, and the resistance magnitude is accurately adjusted through the magnetic powder tension controller to ensure the change of movement difficulty and intensity.
The accuracy of resistance adjustment is achieved, and the belt slippage, low resistance efficiency, noise, belt loss and other problems are avoided, reducing the risk of leg muscle strain caused by operating errors.
Smart Images

Figure CN222517666U_ABST
Abstract
Description
Technical Field
[0001] The utility model relates to the technical field of sports equipment, in particular to a dynamic bicycle based on a novel magnetic force. Background Art
[0002] Spinning bikes are mainly used for aerobic exercise and cardiopulmonary function. They can help users burn calories, lose weight, and improve physical fitness and endurance. By doing high-intensity aerobic exercise on a spinning bike, you can strengthen the cardiovascular system, improve cardiopulmonary function, and reduce the risk of cardiovascular disease.
[0003] Chinese patent CN215741613U discloses a spinning bicycle, including a frame, on which a pedal assembly, a flywheel assembly, a flywheel adjustment device, a seat assembly and an armrest assembly are arranged, the pedal assembly includes a driving wheel rotatably mounted on the frame, two foot pedals connected to the center of the driving wheel and located on both sides of the frame, and a belt drivingly connected between the driving wheel and the flywheel assembly, the frame includes an inverted "U"-shaped flywheel bracket for mounting the flywheel assembly, the flywheel assembly includes a rotating shaft limitedly mounted between two legs of the flywheel bracket, and a flywheel rotatably mounted on the rotating shaft, a bearing is fixedly mounted at the center position of the flywheel, the rotating shaft is sleeved with the inner ring of the bearing and is limitedly clamped by a limiting clamp.
[0004] However, the spinning bike uses a flywheel as a resistance source and amplifies the force through belt transmission, so the resistance is limited. During use, there will be defects such as belt slippage, low resistance efficiency, noise, and belt falling. Moreover, after the flywheel is accelerated, if the operator suddenly stops exercising or the speed cannot keep up with the inertia speed during exercise, it will cause leg muscle strain.
[0005] Based on this, the utility model designs a spinning bike based on a new type of magnetic force to solve the above problems. Utility Model Content
[0006] In view of the above-mentioned shortcomings of the prior art, the utility model provides a spinning bike based on a new type of magnetic force.
[0007] In order to achieve the above objectives, the present invention is implemented through the following technical solutions:
[0008] A spinning bike based on a novel magnetic force, comprising a body;
[0009] It also includes a magnetic powder brake, a fixing component, a pedal component and a control component. The vehicle body is connected to the fixing component, the fixing component is connected to the magnetic powder brake, the pedal component is connected to the fixing component, and the magnetic powder brake and the vehicle body are both connected to the control component.
[0010] Furthermore, the fixing assembly includes a left mounting frame, a right mounting frame, a central axis, a bearing seat, an anti-rotation fixing plate fixing screw, a bearing seat fixing bolt, a magnetic powder brake and an anti-rotation fixing plate. The ends of the left mounting frame and the right mounting frame close to the handle are fixedly connected to the bearing seat through the bearing seat fixing bolts, the inner ends of the bearing seats are fixedly connected to the bearings, the inner rings of the bearings are respectively fixedly connected to the two ends of the central axis, the output end of the magnetic powder brake is sleeved on the central axis and fixedly connected to the central axis through a flat key and a retaining spring, one side of the magnetic powder brake is fixedly connected to the anti-rotation fixing plate, and the anti-rotation fixing plate is fixedly connected to the right mounting frame through the anti-rotation fixing plate fixing screws.
[0011] Furthermore, the left mounting frame and the right mounting frame are respectively welded to the left and right sides of the lower end of the vehicle body.
[0012] Furthermore, the pedal assembly includes a right crank, a left crank, a crank fixing bolt, a crank cover, a crank cover fixing bolt, a right foot pedal, a left foot pedal, a left cover shell and a right cover shell. The left cover shell and the right cover shell are respectively fixedly connected to the left and right ends of the vehicle body. The left cover shell and the right cover shell are provided with circular holes for the middle shaft to pass through. The right crank and the left crank are respectively fixedly connected to the two ends of the middle shaft by crank fixing bolts. The outer ends of the right crank and the left crank are fixedly connected to the crank cover by crank cover fixing bolts. The right foot pedal and the left foot pedal are respectively threadedly connected to the right crank and the left crank.
[0013] Furthermore, both ends of the middle shaft are fixedly connected with the middle shaft reinforcement head through the head reinforcement fixing bolts. The middle shaft reinforcement head is located inside the circular holes of the left cover shell and the right cover shell. The right crank and the left crank are respectively fixedly connected to the middle shaft reinforcement head through the crank fixing bolts.
[0014] Furthermore, the control component includes a magnetic powder tension controller, a battery connecting line, a magnetic powder brake control line and a battery. The magnetic powder tension controller is fixedly connected to the upper end of the vehicle body, the magnetic powder tension controller and the magnetic powder brake are electrically connected through the magnetic powder brake control line, and the battery is electrically connected to the magnetic powder tension controller through the battery connecting line.
[0015] Furthermore, the magnetic powder tension controller is fixedly connected to the upper end of the vehicle body near the handle.
[0016] Furthermore, the battery is located in the inner cavity of the bracket of the vehicle body.
[0017] The utility model has the following technical effects:
[0018] When installing the utility model, the central axis of the fixing assembly is passed through the magnetic powder brake and the magnetic powder brake is fixed to the central axis by a flat key and two shaft external retaining springs, the anti-rotation fixing plate is fixed to the magnetic powder brake by screws, the two ends of the central axis are respectively inserted into the bearings of the bearing seat and fixed to the bearings, and then the bearing seat is respectively fixed to the left mounting frame and the right mounting frame by the bearing seat fixing bolts, the anti-rotation fixing plate is fixed to the right mounting frame by the anti-rotation fixing plate fixing screws, and finally the left mounting frame and the right mounting frame are respectively welded to the left and right sides of the lower end of the vehicle body to complete the installation;
[0019] When the utility model is installed, the left and right covers of the pedal assembly are installed to the left and right ends of the main frame body by screws, the right crank and the left crank are fixed to the middle shaft reinforcement head or the middle shaft by crank fixing bolts according to the crank requirements, the right pedal and the left pedal are installed on the right crank and the left crank, and the two crank covers are respectively installed on the right crank and the left crank by crank cover fixing bolts to complete the installation;
[0020] The battery of the control assembly of the utility model supplies power to the magnetic powder tension controller, the magnetic powder tension controller controls the operation of the magnetic powder brake, the output end of the magnetic powder brake controls the braking of the middle shaft, the middle shaft controls the rotation of the right crank and the left crank, so as to adjust the resistance size, realize the change of the difficulty and intensity of the movement, and achieve accurate resistance adjustment. During use, there will be no defects such as belt slippage, low resistance efficiency, noise, and belt falling, and the leg muscle strain will not be caused by the operator suddenly stopping the movement or the speed cannot keep up with the inertia speed during the movement. BRIEF DESCRIPTION OF THE DRAWINGS
[0021] In order to more clearly illustrate the embodiments of the utility model or the technical solutions in the prior art, the drawings required for use in the embodiments or the prior art descriptions are briefly introduced below. Obviously, the drawings described below are only some embodiments of the utility model, and for ordinary technicians in this field, other drawings can be obtained based on these drawings without creative work.
[0022] Figure 1 This is a schematic structural diagram of a spinning bicycle based on a novel magnetic force according to the present utility model with the body and the right shell part hidden;
[0023] Figure 2 The utility model is a three-dimensional spinning bicycle based on a new magnetic force. Figure 1 ;
[0024] Figure 3 The utility model is a schematic diagram of the structure of a spinning bicycle based on a new magnetic force.
[0025] The numbers in the figure represent:
[0026] 1. Car body; 2. Left mounting frame; 3. Right mounting frame; 4. Middle shaft; 5. Bearing seat; 6. Anti-rotation fixing plate fixing screw; 7. Bearing seat fixing bolt; 8. Middle shaft reinforced head; 9. Magnetic powder brake; 10. Anti-rotation fixing plate; 11. Right crank; 12. Left crank; 13. Crank fixing bolt; 14. Head reinforcement fixing bolt; 15. Crank cover; 16. Crank cover fixing bolt; 17. Right pedal; 18. Left pedal; 19. Left cover shell; 20. Right cover shell; 21. Magnetic powder tension controller; 22. Battery connecting wire; 23. Magnetic powder brake control wire; 24. Battery. DETAILED DESCRIPTION
[0027] In order to make the purpose, technical solution and advantages of the embodiment of the utility model clearer, the technical solution in the embodiment of the utility model will be clearly and completely described below in conjunction with the drawings in the embodiment of the utility model. Obviously, the described embodiment is a part of the embodiment of the utility model, not all of the embodiments. Based on the embodiment of the utility model, all other embodiments obtained by ordinary technicians in this field without creative work are within the scope of protection of the utility model.
[0028] The utility model is further described below in conjunction with embodiments.
[0029] Example 1
[0030] Please refer to the instruction manual Figure 1-3 , a spinning bicycle based on a novel magnetic force, comprising a body 1;
[0031] It also includes a magnetic powder brake 9, a fixing component, a pedal component and a control component. The vehicle body 1 is connected to the fixing component, the fixing component is connected to the magnetic powder brake 9, the pedal component is connected to the fixing component, and the magnetic powder brake 9 and the vehicle body 1 are both connected to the control component.
[0032] The fixing assembly includes a left mounting frame 2, a right mounting frame 3, a central axis 4, a bearing seat 5, an anti-rotation fixing plate fixing screw 6, a bearing seat fixing bolt 7, a magnetic powder brake 9 and an anti-rotation fixing plate 10. The left mounting frame 2 and the right mounting frame 3 are fixedly connected to the bearing seat 5 at one end close to the handle through the bearing seat fixing bolt 7. The inner end of the bearing seat 5 is fixedly connected to the bearing, and the inner ring of the bearing is fixedly connected to the two ends of the central axis 4 respectively. The output end of the magnetic powder brake 9 is sleeved on the central axis 4 and fixedly connected to the central axis 4 through a flat key and a retaining spring. One side of the magnetic powder brake 9 is fixedly connected to the anti-rotation fixing plate 10, and the anti-rotation fixing plate 10 is fixedly connected to the right mounting frame 3 through the anti-rotation fixing plate fixing screw 6.
[0033] The left mounting frame 2 and the right mounting frame 3 are welded to the left and right sides of the lower end of the vehicle body 1 respectively.
[0034] During installation, the central axis 4 of the fixing assembly is passed through the magnetic powder brake 9 and the magnetic powder brake 9 is fixed to the central axis 4 with a flat key and two shaft external retaining springs, the anti-rotation fixing plate 10 is fixed to the magnetic powder brake 9 with screws, the two ends of the central axis 4 are respectively inserted into the bearings of the bearing seat 5 and fixed to the bearings, and then the bearing seat 5 is respectively fixed to the left mounting frame 2 and the right mounting frame 3 by the bearing seat fixing bolts 7, and the anti-rotation fixing plate 10 is fixed to the right mounting frame 3 by the anti-rotation fixing plate fixing screws 6, and finally the left mounting frame 2 and the right mounting frame 3 are respectively welded to the left and right sides of the lower end of the vehicle body 1 to complete the installation;
[0035] The pedal assembly includes a right crank 11, a left crank 12, a crank fixing bolt 13, a crank cover 15, a crank cover fixing bolt 16, a right foot pedal 17, a left foot pedal 18, a left cover shell 19 and a right cover shell 20. The left cover shell 19 and the right cover shell 20 are respectively fixedly connected to the left and right ends of the vehicle body 1. The left cover shell 19 and the right cover shell 20 are provided with round holes for the middle shaft 4 to pass through. The right crank 11 and the left crank 12 are respectively fixedly connected to the two ends of the middle shaft 4 by the crank fixing bolt 13. The outer ends of the right crank 11 and the left crank 12 are fixedly connected to the crank cover 15 by the crank cover fixing bolt 16. The right foot pedal 17 and the left foot pedal 18 are respectively threadedly connected to the right crank 11 and the left crank 12.
[0036] Preferably, both ends of the middle shaft 4 are fixedly connected to the middle shaft reinforcement head 8 by head reinforcement fixing bolts 14, the middle shaft reinforcement head 8 is located inside the circular holes of the left cover shell 19 and the right cover shell 20, and the right crank 11 and the left crank 12 are fixedly connected to the middle shaft reinforcement head 8 by crank fixing bolts 13 respectively.
[0037] During installation, the left cover 19 and the right cover 20 of the pedal assembly are installed to the left and right ends of the main frame body 1 with screws, and the right crank 11 and the left crank 12 are fixed to the middle shaft reinforcement head 8 or the middle shaft 4 with the crank fixing bolts 13 according to the crank requirements, and the right pedal 17 and the left pedal 18 are installed on the right crank 11 and the left crank 12, and the two crank covers 15 are respectively installed on the right crank 11 and the left crank 12 through the crank cover fixing bolts 16 to complete the installation;
[0038] The control component includes a magnetic powder tension controller 21, a battery connecting line 22, a magnetic powder brake control line 23 and a battery 24. The magnetic powder tension controller 21 is fixedly connected to the upper end of the vehicle body 1. The magnetic powder tension controller 21 is electrically connected to the magnetic powder brake 9 through the magnetic powder brake control line 23. The battery 24 is electrically connected to the magnetic powder tension controller 21 through the battery connecting line 22.
[0039] Preferably, the magnetic powder tension controller 21 is fixedly connected to the upper end of the vehicle body 1 near the handle, so as to facilitate the user to operate during exercise.
[0040] Preferably, the battery 24 is located in the inner cavity of the bracket of the vehicle body 1 .
[0041] The battery 24 of the control component supplies power to the magnetic powder tension controller 21, which controls the operation of the magnetic powder brake 9. The output end of the magnetic powder brake 9 controls the braking of the middle shaft 4, and the middle shaft 4 controls the rotation of the right crank 11 and the left crank 12, thereby adjusting the resistance size, realizing the change of the difficulty and intensity of the exercise, and achieving precise resistance adjustment. During use, there will be no defects such as belt slippage, low resistance efficiency, noise, and belt falling, and the leg muscles will not be strained because the operator suddenly stops exercising or the speed cannot keep up with the inertia speed during exercise.
[0042] The above embodiments are only used to illustrate the technical solutions of the present invention, rather than to limit it. Although the present invention has been described in detail with reference to the aforementioned embodiments, those skilled in the art should understand that the technical solutions described in the aforementioned embodiments may still be modified, or some of the technical features may be replaced by equivalents. Such modifications or replacements will not cause the essence of the corresponding technical solutions to deviate from the spirit and scope of the technical solutions of the embodiments of the present invention.
Claims
1. A novel magnetic spinning bicycle, comprising a body (1), characterized in that: It also comprises a magnetic powder brake (9), a fixing assembly, a pedal assembly and a control assembly. The vehicle body (1) is connected to the fixing assembly, the fixing assembly is connected to the magnetic powder brake (9), the pedal assembly is connected to the fixing assembly, and the magnetic powder brake (9) and the vehicle body (1) are both connected to the control assembly.
2. The novel magnetic spinning bike according to claim 1, characterized in that: The fixing assembly comprises a left mounting frame (2), a right mounting frame (3), a central axis (4), a bearing seat (5), an anti-rotation fixing plate fixing screw (6), a bearing seat fixing bolt (7), a magnetic powder brake (9) and an anti-rotation fixing plate (10); the ends of the left mounting frame (2) and the right mounting frame (3) close to the handle are fixedly connected to the bearing seat (5) through the bearing seat fixing bolt (7); the inner end of the bearing seat (5) is fixedly connected to a bearing; the inner ring of the bearing is fixedly connected to the two ends of the central axis (4) respectively; the output end of the magnetic powder brake (9) is sleeved on the central axis (4) and fixedly connected to the central axis (4) through a flat key and a retaining spring; one side of the magnetic powder brake (9) is fixedly connected to the anti-rotation fixing plate (10); the anti-rotation fixing plate (10) is fixedly connected to the right mounting frame (3) through the anti-rotation fixing plate fixing screw (6).
3. The novel magnetic spinning bike according to claim 2, characterized in that: The left mounting frame (2) and the right mounting frame (3) are respectively welded to the left and right sides of the lower end of the vehicle body (1).
4. The novel magnetic spinning bike according to claim 3 is characterized in that: The pedal assembly comprises a right crank (11), a left crank (12), a crank fixing bolt (13), a crank cover (15), a crank cover fixing bolt (16), a right foot pedal (17), a left foot pedal (18), a left cover shell (19) and a right cover shell (20). The left cover shell (19) and the right cover shell (20) are respectively fixedly connected to the left and right ends of the vehicle body (1). The left cover shell (19) and the right cover shell (20) are provided with round holes for the middle shaft (4) to pass through. The right crank (11) and the left crank (12) are respectively fixedly connected to the two ends of the middle shaft (4) by means of the crank fixing bolt (13). The outer ends of the right crank (11) and the left crank (12) are both fixedly connected to the crank cover (15) by means of the crank cover fixing bolt (16). The right foot pedal (17) and the left foot pedal (18) are respectively threadedly connected to the right crank (11) and the left crank (12).
5. The novel magnetic spinning bike according to claim 4, characterized in that: Both ends of the middle shaft (4) are fixedly connected to a middle shaft reinforcement head (8) via head reinforcement fixing bolts (14); the middle shaft reinforcement head (8) is located inside the circular holes of the left cover shell (19) and the right cover shell (20); and the right crank (11) and the left crank (12) are fixedly connected to the middle shaft reinforcement head (8) via crank fixing bolts (13), respectively.
6. The novel magnetic spinning bike according to claim 5, characterized in that: The control assembly comprises a magnetic powder tension controller (21), a battery connection line (22), a magnetic powder brake control line (23) and a battery (24); the magnetic powder tension controller (21) is fixedly connected to the upper end of the vehicle body (1); the magnetic powder tension controller (21) is electrically connected to the magnetic powder brake (9) via the magnetic powder brake control line (23); and the battery (24) is electrically connected to the magnetic powder tension controller (21) via the battery connection line (22).
7. The novel magnetic spinning bike according to claim 6, characterized in that: The magnetic powder tension controller (21) is fixedly connected to the upper end of the vehicle body (1) near the handle.
8. The novel magnetic spinning bike according to claim 7, characterized in that: The battery (24) is located in the inner cavity of the bracket of the vehicle body (1).
Citation Information
Patent Citations
Spinning bicycle
CN215741613U
Cited By
Exercise bicycle based on magnetic powder electromagnetic force
CN117861160A