Spinning bike

Abstract

A spinning bike includes a transmission wheel, a flywheel and a resistance braking device. The transmission wheel is disposed on the bike frame. The flywheel is made of the metal material, and driven by the transmission wheel to rotate. The resistance braking device includes a magnet assembly, a resistance adjustment member, a control member, a manual brake assembly and a resistance control assembly. The resistance adjustment member is connected to the bike frame. The magnet assembly is pivotally connected on the resistance adjustment member. The control member is connected to the magnet assembly. The manual brake assembly is disposed on a handlebar of the bike frame, and includes a brake handle and a brake control wire. The resistance control assembly includes a motor, a control interface and a resistance control wire.

What is claimed is: 
     
         1 . A spinning bike, comprising:
 a bike frame;   a transmission wheel disposed on the bike frame;   a flywheel made of metal material and driven by the transmission wheel to rotate; and   a resistance braking device comprising:
 a resistance adjustment member connected to the bike frame; 
 a magnet assembly pivotally connected on the resistance adjustment member, and spaced apart from the flywheel by a spacing distance; 
 a control member connected to the magnet assembly; 
 a manual brake assembly disposed on a handlebar of the bike frame and comprising a brake handle and a brake control wire, wherein an end of the brake control wire is connected to the brake handle, and another end is connected to the control member, and when the brake handle is pressed, the control member is moved by the brake control wire to pull the magnet assembly, so as to change the spacing distance; and 
 a resistance control assembly comprising a motor, a control interface and a resistance control wire, wherein an end of the resistance control wire is connected to the motor, and another end of the resistance control wire is connected to the control member, and the control interface is electrically connected to the motor and configured to control the motor to roll or release the resistance control wire, so as to change the spacing distance. 
   
     
     
         2 . The spinning bike according to  claim 1 , wherein in a condition that the flywheel is in a rotating state, and when the brake handle is pressed, the spacing distance is shortened to be a braking distance, so that electromagnetic induction is formed between the flywheel and the magnet assembly to generate a braking resistance force on the flywheel to stop the flywheel. 
     
     
         3 . The spinning bike according to  claim 1 , wherein the spacing distance is between a minimum resistance length and a maximum resistance length, and when the electromagnetic induction is formed between the flywheel and the magnet assembly, a resistance force in a range of the resistance force corresponding to the minimum resistance length to the resistance force corresponding to the maximum resistance length is produced and applied on the flywheel. 
     
     
         4 . The spinning bike according to  claim 3 , wherein in a condition that the motor rolls the resistance control wire, the control member drives the magnet assembly to move away from the flywheel, and when the motor releases the resistance control wire, the control member drives the magnet assembly to move close to the flywheel. 
     
     
         5 . The spinning bike according to  claim 3 , further comprising a display device disposed on the bike frame and configured to display a value of the resistance force. 
     
     
         6 . The spinning bike according to  claim 1 , wherein when the brake handle is pressed, and the motor enters the idle state. 
     
     
         7 . The spinning bike according to  claim 1 , wherein the metal material of the flywheel comprises aluminum. 
     
     
         8 . The spinning bike according to  claim 1 , further comprising a pedal assembly and a crankset, wherein an end of the crankset is disposed on the transmission wheel and another end of the crankset is connected to the pedal assembly, and the pedal assembly is configured to be stepped by a user to drive the flywheel to rotate. 
     
     
         9 . The spinning bike according to  claim 1 , further comprising a transmission belt mounted on the flywheel and the transmission wheel. 
     
     
         10 . The spinning bike according to  claim 1 , wherein the control interface comprises a touch panel or the at least one button.