The invention provides a mechanical power assistance traveling pull rod cart. The mechanical power assistance traveling pull rod cart comprises a trunk, a crank link transmission mechanism, a steering mechanism and a frame. The trunk is arranged on the upper surface of one end of the frame, ground wheels are installed on the lower surface of one end of the frame, and the steering mechanism is arranged at the other end of the frame. The steering mechanism comprises a handle, a telescopic handle, a hand brake and a steering wheel, the hand brake is fixed to the handle, one end of a brake cable is fixed to the hand brake, the other end of the brake cable is connected with a brake device arranged on a wheel axle, and the distance between the handle and the ground is determined by the telescopic handle. The telescopic handle is formed by arranging one round tube in the other round tube in a penetrating mode and tightened or loosened by a bolt in telescoping, one end of the telescopic handle is connected with the handle, the other end of the telescopic handle is connected with the steering wheel, the end, close the steering wheel, of the telescopic handle is provided with a hinging point, and rotation of the telescopic handle is achieved through locking and unlocking of a pin shaft. The crank link transmission mechanism is arranged at the position, close to the steering wheel end, of the frame and composed of a pedal, a push and pull link, a spring and an eccentric drive wheel, and the drive wheel drives the ground wheels to rotate through belts.
Mechanical power assistance traveling pull rod cart
2015-04-22
Patent
Elektronische Ressource
Englisch