Chest plate

A chest plate comprises a chest plate shell. The upper end of the chest plate shell is open. A through hole communicated with the interior of the chest plate shell is formed in the back face of the chest plate shell. A pin is arranged at the upper portion of the back face of the chest plate shell. Two T-shaped sliding ways extending in the height direction of the chest board shell are formed in the position, close to the through hole, of the inner side of a side plate on the back face of the chest plate shell and located at the two sides of the through hole respectively. A drawing-pulling plate corresponding to the through hole in size is movably arranged on the inner side wall of the side plate through the two T-shaped sliding ways. The outer side face of the drawing-pulling plate is provided with a drawing-pulling protrusion. A closing cover is arranged at the opening of the upper end of the chest plate shell. A rope threading hole is formed in the upper portion of the closing cover, and a hanging rope penetrates through the rope threading hole and is connected with the chest plate shell. According to the chest plate, the chest plate shell is sealed through the closing cover and the drawing-pulling plate, dust is prevented from entering the chest plate shell, and cleanliness of the chest plate is maintained; the chest plate shell is fixed to clothes through the pin, the chest plate is prevented from moving along with the body of a user, and the phenomenon that the chest plate collides with other objects at random is avoided.