Patent ID: 7931173
Filing Date: 2011-04-26
Classification: B05B

Abstract:
1. A liquid dispenser, comprising: a cover for connecting to an opening of a container; a main body connected to the cover, the main body comprises: wherein said liquid output device comprises a piston and a water-sealing ring configured with the piston and positioned in the chamber, a sealing ring coupled with the piston is arranged between the piston and the water-sealing ring; said one-way valve is a valve plate disposed in the main body, the valve plate covers on the piston and is positioned at an opening of the cover, a spring is arranged at the rear of the valve plate; said button is arranged on the main body, and an opening is arranged in the button at a side wall of the main body between the water-sealing ring and the valve plate, and wherein said water-sealing ring comprises a circular tube, and an upper part of the circular tube reduces in radius and includes a top that comprises a depression and two slots in communication with an axial opening of the circular tube, a circular annular plane is formed at an outward extension of a bottom of the circular tube, the circular annular plane engages with a sealing side of an inner wall of the main body, said water-sealing ring is arranged between the piston and a cylindrical chamber at an upper part of the main body, an upper section of the water-sealing ring is inserted into the cylindrical chamber at an upper part of the main body and sealingly engages therewith; an opening of said main body comprises a partition plate at an inner side thereof, orifices are arranged at the partition plate and between the partition plate and the main body wall, and a long slot in communication with the chamber is arranged at one side of the opening.