Pneumatic air gun

A pneumatic air gun, comprising:

• a gun support;
• a barrel disposed on the gun support;
• a valve body;
• a pressure gauge;
• an air compression assembly;
• an energy storage assembly;
• and
• a triggering assembly;
• wherein
• the air compression assembly is connected to the energy storage assembly, and the energy storage assembly is connected to the valve body;
• the triggering assembly comprises a trigger support fixed to the gun support, and a pull-bolt assembly, a trigger, a trigger button, and a hammer which are disposed on the trigger support;
• a spring is attached to the hammer;
• the trigger is connected to the trigger button;
• the pull-bolt assembly comprises a loading thimble adapted to slide on the gun support;
• the loading thimble is movably connected to the hammer and adapted to control the hammer to reset and clamp on the trigger button;
• the energy storage assembly comprises an air pump and a check valve disposed at one end of the air pump;
• the air pump is a three-stage air pump;
• the valve body comprises an air release passage adapted to connect the check valve and the barrel;
• the air release passage is provided with an air release valve for controlling an opening and closing of an air channel;
• the air release passage between the air release valve and the barrel is provided with a speed-regulation valve for regulating an air flow;
• the air release valve is provided with a slider for controlling the opening or closing of the air release passage;
• and
• the slider is positioned at the end of a striking travel of the hammer.