Pectoralis major force exercise rack

Abstract

The invention discloses a pectoralis major force exercise rack, and belongs to the field of sport equipment. The rack comprises a main frame, a pulley, handles, a chair, connecting rods, a steel wire rope, rotating shafts, an adjusting rotary knob, and iron blocks. Two sides of the chair (4) are connected in a circular tube at a side of the main frame (1) through the rotating shafts (7). The rotating shafts (7), the connecting rods (5) and the handles (3) are connected into one body. The chair (4) is inserted into a square tube of the main frame (1) through the adjusting rotary knob (8). One end of the steel wire rope (6) is connected to the iron block, and the other end of the steel wire rope (6) is connected to a support of the connecting rods (5). When the rack is in use, a person sits on the chair, two hands grasps the handles and forcibly enables the handles to draw close towards the center. When the handles rotate, the connecting rods drive the steel wire rope to move, and the steel wire rope lifts the iron block through a pulley turning system. The force employed by a person for rotating the handles can be adjusted through the adjustment of the number of the iron blocks. The height of the chair can be adjusted through the adjusting rotary knob, and is enabled to reach a proper height, so as to achieve a purpose of exercising pectoralis major. The rack is simple in structure, is small in size, is not limited by sites and time, is convenient to carry, is easy to operate, is wide in application range, and is a necessary health recovery device for a professional sports team and a hospital.

Description

technical field [0001] The invention relates to a pectoralis major training frame, which belongs to the field of sports equipment. Background technique [0002] With the rapid development of modern science and technology, physical exercise has become one of the effective ways for modern people to enhance their physical fitness, prevent diseases, adjust their psychology, entertain their bodies and minds, and adapt to society. For the fitness enthusiasts who often carry out physical exercise, this desire cannot be satisfied due to the limitation of time and place. Although there are many fitness equipments at present, there are still relatively few for local exercise. This equipment is a fitness equipment that utilizes a short rest time for local exercise. normal living requirements. [0003] Due to the limitation of venues and equipment in physical fitness, injuries often occur during physical training. The severe ones are paralyzed, and the mild ones have backache and leg ...

AI Technical Summary

Problems solved by technology

[0003] Physical fitness Due to the limitation of venues and equipment, injuries often occur during physical training. The severe ones are paralyzed, and the light ones have backache and leg pain, which brings a lot of inconvenience to the sports career.

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