Hinge blade structure

A hinge blade structure, comprising:

• two hinge blades,
• a connection sleeve,
• a fixed rod,
• a screw sleeve,
• a plug,
• a damping positioning pull rod,
• an air cylinder, and
• an adjusting base, wherein:
• each hinge blade of the two hinge blades comprises a shaft sleeve and a blade secured to an outer side of the shaft sleeve,
• the shaft sleeves of the two hinge blades at least partially encompass the connection sleeve to enable the two hinge blades to rotate relative to each other,
• the fixed rod and the plug are connected to an inner side of the connection sleeve,
• the fixed rod is separated from the plug,
• the fixed rod and the plug are respectively and relatively secured to the shaft sleeve of one hinge blade of the two hinge blades,
• the screw sleeve is disposed in the connection sleeve and disposed between the fixed rod and the plug,
• the fixed rod comprises a screw rod,
• the screw rod is screwed to the screw sleeve,
• the damping positioning pull rod and the air cylinder are both disposed in the connection sleeve and disposed between the fixed rod and the plug,
• the air cylinder is relatively secured to the plug,
• the damping positioning pull rod is relatively secured to the screw sleeve,
• the damping positioning pull rod is slidably connected to an inner side of the air cylinder along a length direction of the connection sleeve,
• the damping positioning pull rod and the air cylinder cooperate to define an air chamber,
• the air cylinder comprises an air chamber vent through hole,
• the adjusting base is movably connected to the plug, and
• a size of a gap disposed between the adjusting base and the air chamber vent through hole, a resistance force between the air chamber and the damping positioning pull rod, and positioning force of the hinge blades are configured to be adjusted due to a relative movement between the adjusting base and the air chamber.