Bench press training machine with variable arms of force

A bench press training machine with variable arms of force, comprising:

• a machine frame,
• a longitudinal supporting cushion plate fixedly connected to the machine frame;
• two swinging arms articulated with the machine frame respectively, wherein the two swinging arms are arranged on left and right sides of the supporting cushion plate respectively, the swinging arms extend forward and backward, front ends of the swinging arms are articulated with the machine frame, and the swinging arms are provided with handles;
• two adjusting pull rods, and
• adjusting arms articulated with the swinging arms, wherein weight plate shafts are fixedly connected to the adjusting arms, front ends of the adjusting pull rods are articulated with the machine frame, and rear ends of the adjusting pull rods are articulated with the adjusting arms;
• wherein lower ends of the adjusting arms are articulated with the swinging arms, the adjusting pull rods extend forward and backward and are located above the swinging arms, and articulating shafts between the adjusting pull rods and the machine frame are higher than articulating shafts between the swinging arms and the machine frame.