Bottle opening liquid distributor

The utility model discloses a bottle opening liquid distributor which comprises a bottle plug, a bottle opening liquid distributor body and a bottle opening liquid distributor body. The air pressure mechanism comprises a cylinder body with the bottom communicated, a piston body arranged in the cylinder body and a piston rod perpendicularly connected with the piston body. A hollow metering body isarranged at the top of the cylinder body, a groove is formed in the side wall of the metering body, a movable protrusion is arranged in the groove in a matched mode, the movable protrusion is fixedlyconnected with the top of the piston rod, and scale marks are arranged on the two sides of the groove. A pipe body penetrating through the bottle plug is arranged on one side of the air pressure mechanism and comprises a liquid taking pipe located below the bottle plug and a liquid distributing pipe located above the bottle plug. A filter head is arranged at the end of the liquid taking pipe, thenumber of the liquid distri