Patent ID: 8550377

Claim:
A paint spraying device comprising: a spray gun comprising a compressed air insertion pipe connected to a handle, the compressed air insertion pipe to control an amount of compressed air, and a spray nozzle having a connection part formed on a side thereof provided in front of the compressed air insertion pipe; a paint storage unit comprising a cover provided on an open upper end of a paint storage tank of which a lower end is fixed to a top of the spray gun so that the paint storage tank communicates with the compressed air insertion pipe, a plurality of storage spaces formed inside the paint storage unit which is divided into the plurality of storage spaces by multiple partition plates, and connectors provided on lower end portions of the storage spaces and communicating with the storage spaces, wherein the connectors are connected to a three-way valve, which has paint discharge valves, with paint discharge tubes in order to discharge the paints from the storage spaces of the paint storage unit; and a discharge unit which discharges the paint by connecting the three-way valve to the connection part, wherein the cover of the paint storage unit forms a sealing plate to close the upper end of the paint storage tank, wherein a plurality of through holes is formed in the center of the sealing plate and a coupling circumference is formed outside of the through holes and an upper connection cover is formed in the coupling circumference to communicate with the compressed air insertion pipe and a circumference cover is formed in an outer circumference of the sealing plate to be coupled to the paint storage tank.